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replicant-frameworks_native/libs/ui/InputDispatcher.cpp

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Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
//
// Copyright 2010 The Android Open Source Project
//
// The input dispatcher.
//
#define LOG_TAG "InputDispatcher"
//#define LOG_NDEBUG 0
// Log detailed debug messages about each inbound event notification to the dispatcher.
Native input event dispatching. Target identification is now fully native. Fixed a couple of minor issues related to input injection. Native input enabled by default, can be disabled by setting WindowManagerPolicy.ENABLE_NATIVE_INPUT_DISPATCH to false. Change-Id: I7edf66ed3e987cc9306ad4743ac57a116af452ff
2010-06-22 08:27:15 +00:00
#define DEBUG_INBOUND_EVENT_DETAILS 0
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
// Log detailed debug messages about each outbound event processed by the dispatcher.
Native input event dispatching. Target identification is now fully native. Fixed a couple of minor issues related to input injection. Native input enabled by default, can be disabled by setting WindowManagerPolicy.ENABLE_NATIVE_INPUT_DISPATCH to false. Change-Id: I7edf66ed3e987cc9306ad4743ac57a116af452ff
2010-06-22 08:27:15 +00:00
#define DEBUG_OUTBOUND_EVENT_DETAILS 0
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
// Log debug messages about batching.
Native input event dispatching. Target identification is now fully native. Fixed a couple of minor issues related to input injection. Native input enabled by default, can be disabled by setting WindowManagerPolicy.ENABLE_NATIVE_INPUT_DISPATCH to false. Change-Id: I7edf66ed3e987cc9306ad4743ac57a116af452ff
2010-06-22 08:27:15 +00:00
#define DEBUG_BATCHING 0
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
// Log debug messages about the dispatch cycle.
Native input event dispatching. Target identification is now fully native. Fixed a couple of minor issues related to input injection. Native input enabled by default, can be disabled by setting WindowManagerPolicy.ENABLE_NATIVE_INPUT_DISPATCH to false. Change-Id: I7edf66ed3e987cc9306ad4743ac57a116af452ff
2010-06-22 08:27:15 +00:00
#define DEBUG_DISPATCH_CYCLE 0
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
// Log debug messages about registrations.
Native input event dispatching. Target identification is now fully native. Fixed a couple of minor issues related to input injection. Native input enabled by default, can be disabled by setting WindowManagerPolicy.ENABLE_NATIVE_INPUT_DISPATCH to false. Change-Id: I7edf66ed3e987cc9306ad4743ac57a116af452ff
2010-06-22 08:27:15 +00:00
#define DEBUG_REGISTRATION 0
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
// Log debug messages about performance statistics.
Native input event dispatching. Target identification is now fully native. Fixed a couple of minor issues related to input injection. Native input enabled by default, can be disabled by setting WindowManagerPolicy.ENABLE_NATIVE_INPUT_DISPATCH to false. Change-Id: I7edf66ed3e987cc9306ad4743ac57a116af452ff
2010-06-22 08:27:15 +00:00
#define DEBUG_PERFORMANCE_STATISTICS 0
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
// Log debug messages about input event injection.
Native input event dispatching. Target identification is now fully native. Fixed a couple of minor issues related to input injection. Native input enabled by default, can be disabled by setting WindowManagerPolicy.ENABLE_NATIVE_INPUT_DISPATCH to false. Change-Id: I7edf66ed3e987cc9306ad4743ac57a116af452ff
2010-06-22 08:27:15 +00:00
#define DEBUG_INJECTION 0
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
Add support for throttling motion events. Change-Id: I24b3a17753e91ecda60a60fe5cd2e6b3260e033d
2010-08-18 22:51:08 +00:00
// Log debug messages about input event throttling.
#define DEBUG_THROTTLING 0
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
// Log debug messages about input focus tracking.
#define DEBUG_FOCUS 0
// Log debug messages about the app switch latency optimization.
#define DEBUG_APP_SWITCH 0
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
#include <cutils/log.h>
#include <ui/InputDispatcher.h>
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
#include <ui/PowerManager.h>
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
#include <stddef.h>
#include <unistd.h>
#include <errno.h>
#include <limits.h>
Minor logging changes to input dispatcher to help with debugging. Added dumpsys reporting to EventHub. Made the formatting a bit clearer. Added 'Locked' suffix to some internal methods of EventHub. Change-Id: Ic449560bcce378f6361895d27c66854e9724abb0
2010-10-02 00:46:21 +00:00
#define INDENT " "
#define INDENT2 " "
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
namespace android {
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
// Delay between reporting long touch events to the power manager.
const nsecs_t EVENT_IGNORE_DURATION = 300 * 1000000LL; // 300 ms
// Default input dispatching timeout if there is no focused application or paused window
// from which to determine an appropriate dispatching timeout.
const nsecs_t DEFAULT_INPUT_DISPATCHING_TIMEOUT = 5000 * 1000000LL; // 5 sec
// Amount of time to allow for all pending events to be processed when an app switch
// key is on the way. This is used to preempt input dispatch and drop input events
// when an application takes too long to respond and the user has pressed an app switch key.
const nsecs_t APP_SWITCH_TIMEOUT = 500 * 1000000LL; // 0.5sec
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
static inline nsecs_t now() {
return systemTime(SYSTEM_TIME_MONOTONIC);
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
static inline const char* toString(bool value) {
return value ? "true" : "false";
}
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
static inline int32_t getMotionEventActionPointerIndex(int32_t action) {
return (action & AMOTION_EVENT_ACTION_POINTER_INDEX_MASK)
>> AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT;
}
static bool isValidKeyAction(int32_t action) {
switch (action) {
case AKEY_EVENT_ACTION_DOWN:
case AKEY_EVENT_ACTION_UP:
return true;
default:
return false;
}
}
static bool validateKeyEvent(int32_t action) {
if (! isValidKeyAction(action)) {
LOGE("Key event has invalid action code 0x%x", action);
return false;
}
return true;
}
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
static bool isValidMotionAction(int32_t action, size_t pointerCount) {
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
switch (action & AMOTION_EVENT_ACTION_MASK) {
case AMOTION_EVENT_ACTION_DOWN:
case AMOTION_EVENT_ACTION_UP:
case AMOTION_EVENT_ACTION_CANCEL:
case AMOTION_EVENT_ACTION_MOVE:
case AMOTION_EVENT_ACTION_OUTSIDE:
return true;
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
case AMOTION_EVENT_ACTION_POINTER_DOWN:
case AMOTION_EVENT_ACTION_POINTER_UP: {
int32_t index = getMotionEventActionPointerIndex(action);
return index >= 0 && size_t(index) < pointerCount;
}
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
default:
return false;
}
}
static bool validateMotionEvent(int32_t action, size_t pointerCount,
const int32_t* pointerIds) {
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
if (! isValidMotionAction(action, pointerCount)) {
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
LOGE("Motion event has invalid action code 0x%x", action);
return false;
}
if (pointerCount < 1 || pointerCount > MAX_POINTERS) {
LOGE("Motion event has invalid pointer count %d; value must be between 1 and %d.",
pointerCount, MAX_POINTERS);
return false;
}
Add unit tests for native input and fix bugs identified. Fixed a bug where we would lose the first touch point when swiping out of the virtual key area. Fixed a bug where we would not send an ACTION_MOVE event in cases where individual pointers went down/up and the remaining pointers actually moved. This is important since many applications do not handle pointer movements during ACTION_POINTER_DOWN or ACTION_POINTER_UP. In the case of ACTION_POINTER_UP the movement was completely lost since all pointers were dispatched using their old location rather than the new location. Improved motion event validation to check for duplicate pointer ids. Added an input source constant that was missing from the NDK api but defined in the framework api. Added a timestamp when reporting added/removed devices in EventHub. Bug: 3070082 Change-Id: I3206a030f43b7616e2f48006e5a9d522c4d92e56
2010-10-20 22:33:38 +00:00
BitSet32 pointerIdBits;
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
for (size_t i = 0; i < pointerCount; i++) {
Add unit tests for native input and fix bugs identified. Fixed a bug where we would lose the first touch point when swiping out of the virtual key area. Fixed a bug where we would not send an ACTION_MOVE event in cases where individual pointers went down/up and the remaining pointers actually moved. This is important since many applications do not handle pointer movements during ACTION_POINTER_DOWN or ACTION_POINTER_UP. In the case of ACTION_POINTER_UP the movement was completely lost since all pointers were dispatched using their old location rather than the new location. Improved motion event validation to check for duplicate pointer ids. Added an input source constant that was missing from the NDK api but defined in the framework api. Added a timestamp when reporting added/removed devices in EventHub. Bug: 3070082 Change-Id: I3206a030f43b7616e2f48006e5a9d522c4d92e56
2010-10-20 22:33:38 +00:00
int32_t id = pointerIds[i];
if (id < 0 || id > MAX_POINTER_ID) {
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
LOGE("Motion event has invalid pointer id %d; value must be between 0 and %d",
Add unit tests for native input and fix bugs identified. Fixed a bug where we would lose the first touch point when swiping out of the virtual key area. Fixed a bug where we would not send an ACTION_MOVE event in cases where individual pointers went down/up and the remaining pointers actually moved. This is important since many applications do not handle pointer movements during ACTION_POINTER_DOWN or ACTION_POINTER_UP. In the case of ACTION_POINTER_UP the movement was completely lost since all pointers were dispatched using their old location rather than the new location. Improved motion event validation to check for duplicate pointer ids. Added an input source constant that was missing from the NDK api but defined in the framework api. Added a timestamp when reporting added/removed devices in EventHub. Bug: 3070082 Change-Id: I3206a030f43b7616e2f48006e5a9d522c4d92e56
2010-10-20 22:33:38 +00:00
id, MAX_POINTER_ID);
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
return false;
}
Add unit tests for native input and fix bugs identified. Fixed a bug where we would lose the first touch point when swiping out of the virtual key area. Fixed a bug where we would not send an ACTION_MOVE event in cases where individual pointers went down/up and the remaining pointers actually moved. This is important since many applications do not handle pointer movements during ACTION_POINTER_DOWN or ACTION_POINTER_UP. In the case of ACTION_POINTER_UP the movement was completely lost since all pointers were dispatched using their old location rather than the new location. Improved motion event validation to check for duplicate pointer ids. Added an input source constant that was missing from the NDK api but defined in the framework api. Added a timestamp when reporting added/removed devices in EventHub. Bug: 3070082 Change-Id: I3206a030f43b7616e2f48006e5a9d522c4d92e56
2010-10-20 22:33:38 +00:00
if (pointerIdBits.hasBit(id)) {
LOGE("Motion event has duplicate pointer id %d", id);
return false;
}
pointerIdBits.markBit(id);
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
}
return true;
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
// --- InputWindow ---
bool InputWindow::touchableAreaContainsPoint(int32_t x, int32_t y) const {
return x >= touchableAreaLeft && x <= touchableAreaRight
&& y >= touchableAreaTop && y <= touchableAreaBottom;
}
Make secure views tolerate IME overlays. Change-Id: I3cf09b9d91045f4d9c558b4aace482a7b0bbd3d8
2010-10-05 19:26:23 +00:00
bool InputWindow::frameContainsPoint(int32_t x, int32_t y) const {
return x >= frameLeft && x <= frameRight
&& y >= frameTop && y <= frameBottom;
}
bool InputWindow::isTrustedOverlay() const {
return layoutParamsType == TYPE_INPUT_METHOD
Add support for secure system overlays. (DO NOT MERGE) This change adds a new window type for secure system overlays created by the system itself from non-secure system overlays that might be created by applications that have the system alert permission. Secure views ignore the presence of secure system overlays. Bug: 3098519 Change-Id: I8f8398f4fdeb0469e5d71124c21bedf121bd8c07
2010-10-15 07:54:27 +00:00
|| layoutParamsType == TYPE_INPUT_METHOD_DIALOG
|| layoutParamsType == TYPE_SECURE_SYSTEM_OVERLAY;
Make secure views tolerate IME overlays. Change-Id: I3cf09b9d91045f4d9c558b4aace482a7b0bbd3d8
2010-10-05 19:26:23 +00:00
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
// --- InputDispatcher ---
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
InputDispatcher::InputDispatcher(const sp<InputDispatcherPolicyInterface>& policy) :
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
mPolicy(policy),
mPendingEvent(NULL), mAppSwitchDueTime(LONG_LONG_MAX),
mDispatchEnabled(true), mDispatchFrozen(false),
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
mFocusedWindow(NULL),
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
mFocusedApplication(NULL),
mCurrentInputTargetsValid(false),
mInputTargetWaitCause(INPUT_TARGET_WAIT_CAUSE_NONE) {
Replace epoll() with poll() and rename PollLoop to Looper. As part of this change, consolidated and cleaned up the Looper API so that there are fewer distinctions between the NDK and non-NDK declarations (no need for two callback types, etc.). Removed the dependence on specific constants from sys/poll.h such as POLLIN. Instead looper.h defines events like LOOPER_EVENT_INPUT for the events that it supports. That should help make any future under-the-hood implementation changes easier. Fixed a couple of compiler warnings along the way. Change-Id: I449a7ec780bf061bdd325452f823673e2b39b6ae
2010-09-14 06:17:30 +00:00
mLooper = new Looper(false);
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
mInboundQueue.headSentinel.refCount = -1;
mInboundQueue.headSentinel.type = EventEntry::TYPE_SENTINEL;
mInboundQueue.headSentinel.eventTime = LONG_LONG_MIN;
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
mInboundQueue.tailSentinel.refCount = -1;
mInboundQueue.tailSentinel.type = EventEntry::TYPE_SENTINEL;
mInboundQueue.tailSentinel.eventTime = LONG_LONG_MAX;
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
mKeyRepeatState.lastKeyEntry = NULL;
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
Add support for throttling motion events. Change-Id: I24b3a17753e91ecda60a60fe5cd2e6b3260e033d
2010-08-18 22:51:08 +00:00
int32_t maxEventsPerSecond = policy->getMaxEventsPerSecond();
mThrottleState.minTimeBetweenEvents = 1000000000LL / maxEventsPerSecond;
mThrottleState.lastDeviceId = -1;
#if DEBUG_THROTTLING
mThrottleState.originalSampleCount = 0;
LOGD("Throttling - Max events per second = %d", maxEventsPerSecond);
#endif
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
}
InputDispatcher::~InputDispatcher() {
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
{ // acquire lock
AutoMutex _l(mLock);
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
resetKeyRepeatLocked();
Fix app switch latency optimization. This optimization was broken due to recent changes in how ANRs are handled. Change-Id: Ic99248a12755fadac8d4893e7d305b773e038d3d
2010-09-16 21:07:33 +00:00
releasePendingEventLocked();
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
drainInboundQueueLocked();
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
while (mConnectionsByReceiveFd.size() != 0) {
unregisterInputChannel(mConnectionsByReceiveFd.valueAt(0)->inputChannel);
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
}
}
void InputDispatcher::dispatchOnce() {
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
nsecs_t keyRepeatTimeout = mPolicy->getKeyRepeatTimeout();
Fix key repeat delay. Change-Id: I6216e082324ee29bf50e37acc673350ca5417c4d
2010-09-07 17:44:57 +00:00
nsecs_t keyRepeatDelay = mPolicy->getKeyRepeatDelay();
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
nsecs_t nextWakeupTime = LONG_LONG_MAX;
{ // acquire lock
AutoMutex _l(mLock);
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
dispatchOnceInnerLocked(keyRepeatTimeout, keyRepeatDelay, & nextWakeupTime);
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
if (runCommandsLockedInterruptible()) {
nextWakeupTime = LONG_LONG_MIN; // force next poll to wake up immediately
}
} // release lock
// Wait for callback or timeout or wake. (make sure we round up, not down)
nsecs_t currentTime = now();
int32_t timeoutMillis;
if (nextWakeupTime > currentTime) {
uint64_t timeout = uint64_t(nextWakeupTime - currentTime);
timeout = (timeout + 999999LL) / 1000000LL;
timeoutMillis = timeout > INT_MAX ? -1 : int32_t(timeout);
} else {
timeoutMillis = 0;
}
Replace epoll() with poll() and rename PollLoop to Looper. As part of this change, consolidated and cleaned up the Looper API so that there are fewer distinctions between the NDK and non-NDK declarations (no need for two callback types, etc.). Removed the dependence on specific constants from sys/poll.h such as POLLIN. Instead looper.h defines events like LOOPER_EVENT_INPUT for the events that it supports. That should help make any future under-the-hood implementation changes easier. Fixed a couple of compiler warnings along the way. Change-Id: I449a7ec780bf061bdd325452f823673e2b39b6ae
2010-09-14 06:17:30 +00:00
mLooper->pollOnce(timeoutMillis);
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
void InputDispatcher::dispatchOnceInnerLocked(nsecs_t keyRepeatTimeout,
nsecs_t keyRepeatDelay, nsecs_t* nextWakeupTime) {
nsecs_t currentTime = now();
// Reset the key repeat timer whenever we disallow key events, even if the next event
// is not a key. This is to ensure that we abort a key repeat if the device is just coming
// out of sleep.
if (keyRepeatTimeout < 0) {
resetKeyRepeatLocked();
}
// If dispatching is frozen, do not process timeouts or try to deliver any new events.
if (mDispatchFrozen) {
#if DEBUG_FOCUS
LOGD("Dispatch frozen. Waiting some more.");
#endif
return;
}
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
// Optimize latency of app switches.
// Essentially we start a short timeout when an app switch key (HOME / ENDCALL) has
// been pressed. When it expires, we preempt dispatch and drop all other pending events.
bool isAppSwitchDue = mAppSwitchDueTime <= currentTime;
if (mAppSwitchDueTime < *nextWakeupTime) {
*nextWakeupTime = mAppSwitchDueTime;
}
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
// Ready to start a new event.
// If we don't already have a pending event, go grab one.
if (! mPendingEvent) {
if (mInboundQueue.isEmpty()) {
if (isAppSwitchDue) {
// The inbound queue is empty so the app switch key we were waiting
// for will never arrive. Stop waiting for it.
resetPendingAppSwitchLocked(false);
isAppSwitchDue = false;
}
// Synthesize a key repeat if appropriate.
if (mKeyRepeatState.lastKeyEntry) {
if (currentTime >= mKeyRepeatState.nextRepeatTime) {
mPendingEvent = synthesizeKeyRepeatLocked(currentTime, keyRepeatDelay);
} else {
if (mKeyRepeatState.nextRepeatTime < *nextWakeupTime) {
*nextWakeupTime = mKeyRepeatState.nextRepeatTime;
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
}
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
if (! mPendingEvent) {
return;
}
} else {
// Inbound queue has at least one entry.
EventEntry* entry = mInboundQueue.headSentinel.next;
// Throttle the entry if it is a move event and there are no
// other events behind it in the queue. Due to movement batching, additional
// samples may be appended to this event by the time the throttling timeout
// expires.
// TODO Make this smarter and consider throttling per device independently.
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
if (entry->type == EventEntry::TYPE_MOTION
&& !isAppSwitchDue
&& mDispatchEnabled
&& (entry->policyFlags & POLICY_FLAG_PASS_TO_USER)
&& !entry->isInjected()) {
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
MotionEntry* motionEntry = static_cast<MotionEntry*>(entry);
int32_t deviceId = motionEntry->deviceId;
uint32_t source = motionEntry->source;
if (! isAppSwitchDue
&& motionEntry->next == & mInboundQueue.tailSentinel // exactly one event
&& motionEntry->action == AMOTION_EVENT_ACTION_MOVE
&& deviceId == mThrottleState.lastDeviceId
&& source == mThrottleState.lastSource) {
nsecs_t nextTime = mThrottleState.lastEventTime
+ mThrottleState.minTimeBetweenEvents;
if (currentTime < nextTime) {
// Throttle it!
Add support for throttling motion events. Change-Id: I24b3a17753e91ecda60a60fe5cd2e6b3260e033d
2010-08-18 22:51:08 +00:00
#if DEBUG_THROTTLING
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
LOGD("Throttling - Delaying motion event for "
"device 0x%x, source 0x%08x by up to %0.3fms.",
deviceId, source, (nextTime - currentTime) * 0.000001);
Add support for throttling motion events. Change-Id: I24b3a17753e91ecda60a60fe5cd2e6b3260e033d
2010-08-18 22:51:08 +00:00
#endif
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
if (nextTime < *nextWakeupTime) {
*nextWakeupTime = nextTime;
Add support for throttling motion events. Change-Id: I24b3a17753e91ecda60a60fe5cd2e6b3260e033d
2010-08-18 22:51:08 +00:00
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
if (mThrottleState.originalSampleCount == 0) {
mThrottleState.originalSampleCount =
motionEntry->countSamples();
}
return;
Add support for throttling motion events. Change-Id: I24b3a17753e91ecda60a60fe5cd2e6b3260e033d
2010-08-18 22:51:08 +00:00
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
Add support for throttling motion events. Change-Id: I24b3a17753e91ecda60a60fe5cd2e6b3260e033d
2010-08-18 22:51:08 +00:00
#if DEBUG_THROTTLING
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
if (mThrottleState.originalSampleCount != 0) {
uint32_t count = motionEntry->countSamples();
LOGD("Throttling - Motion event sample count grew by %d from %d to %d.",
count - mThrottleState.originalSampleCount,
mThrottleState.originalSampleCount, count);
mThrottleState.originalSampleCount = 0;
}
Add support for throttling motion events. Change-Id: I24b3a17753e91ecda60a60fe5cd2e6b3260e033d
2010-08-18 22:51:08 +00:00
#endif
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
mThrottleState.lastEventTime = entry->eventTime < currentTime
? entry->eventTime : currentTime;
mThrottleState.lastDeviceId = deviceId;
mThrottleState.lastSource = source;
}
Add support for throttling motion events. Change-Id: I24b3a17753e91ecda60a60fe5cd2e6b3260e033d
2010-08-18 22:51:08 +00:00
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
mInboundQueue.dequeue(entry);
mPendingEvent = entry;
}
Fix bug where home presses were not poking user activity. We now poke user activity twice: once upon dequeueing an event for dispatch and then again just before we dispatch it. The second poke is to compensate for the fact that it can take a few seconds to identify the dispatch target (if the application is responding slowly) but we want to keep the display from going to sleep for X amount of time after the app gets a chance to actually receive the event. This mirrors pre-Gingerbread behavior. Removed some unnecessary code that filters user activity pokes when sending events to KeyGuard. We don't need this because KeyGuard already tells the power manager to disable user activity. Bug: 3101397 Change-Id: I8c3a77601fdef8f584e84cfdd11aa79da0ff51db
2010-10-18 20:21:23 +00:00
// Poke user activity for this event.
if (mPendingEvent->policyFlags & POLICY_FLAG_PASS_TO_USER) {
pokeUserActivityLocked(mPendingEvent);
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
// Now we have an event to dispatch.
assert(mPendingEvent != NULL);
Fix app switch latency optimization. This optimization was broken due to recent changes in how ANRs are handled. Change-Id: Ic99248a12755fadac8d4893e7d305b773e038d3d
2010-09-16 21:07:33 +00:00
bool done = false;
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
DropReason dropReason = DROP_REASON_NOT_DROPPED;
if (!(mPendingEvent->policyFlags & POLICY_FLAG_PASS_TO_USER)) {
dropReason = DROP_REASON_POLICY;
} else if (!mDispatchEnabled) {
dropReason = DROP_REASON_DISABLED;
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
switch (mPendingEvent->type) {
case EventEntry::TYPE_CONFIGURATION_CHANGED: {
ConfigurationChangedEntry* typedEntry =
static_cast<ConfigurationChangedEntry*>(mPendingEvent);
Fix app switch latency optimization. This optimization was broken due to recent changes in how ANRs are handled. Change-Id: Ic99248a12755fadac8d4893e7d305b773e038d3d
2010-09-16 21:07:33 +00:00
done = dispatchConfigurationChangedLocked(currentTime, typedEntry);
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
dropReason = DROP_REASON_NOT_DROPPED; // configuration changes are never dropped
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
break;
}
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
case EventEntry::TYPE_KEY: {
KeyEntry* typedEntry = static_cast<KeyEntry*>(mPendingEvent);
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
if (isAppSwitchDue) {
if (isAppSwitchKeyEventLocked(typedEntry)) {
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
resetPendingAppSwitchLocked(true);
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
isAppSwitchDue = false;
} else if (dropReason == DROP_REASON_NOT_DROPPED) {
dropReason = DROP_REASON_APP_SWITCH;
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
}
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
done = dispatchKeyLocked(currentTime, typedEntry, keyRepeatTimeout,
Fix an event injection bug when the policy is bypassed. Added the concept of a "trusted" event to distinguish between events from attached input devices or trusted injectors vs. other applications. This change enables us to move certain policy decisions out of the dispatcher and into the policy itself where they can be handled more systematically. Change-Id: I4d56fdcdd31aaa675d452088af39a70c4e039970
2010-10-11 21:20:19 +00:00
&dropReason, nextWakeupTime);
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
break;
}
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
case EventEntry::TYPE_MOTION: {
MotionEntry* typedEntry = static_cast<MotionEntry*>(mPendingEvent);
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
if (dropReason == DROP_REASON_NOT_DROPPED && isAppSwitchDue) {
dropReason = DROP_REASON_APP_SWITCH;
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
done = dispatchMotionLocked(currentTime, typedEntry,
Fix an event injection bug when the policy is bypassed. Added the concept of a "trusted" event to distinguish between events from attached input devices or trusted injectors vs. other applications. This change enables us to move certain policy decisions out of the dispatcher and into the policy itself where they can be handled more systematically. Change-Id: I4d56fdcdd31aaa675d452088af39a70c4e039970
2010-10-11 21:20:19 +00:00
&dropReason, nextWakeupTime);
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
break;
}
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
default:
assert(false);
break;
}
Add support for throttling motion events. Change-Id: I24b3a17753e91ecda60a60fe5cd2e6b3260e033d
2010-08-18 22:51:08 +00:00
Fix app switch latency optimization. This optimization was broken due to recent changes in how ANRs are handled. Change-Id: Ic99248a12755fadac8d4893e7d305b773e038d3d
2010-09-16 21:07:33 +00:00
if (done) {
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
if (dropReason != DROP_REASON_NOT_DROPPED) {
dropInboundEventLocked(mPendingEvent, dropReason);
}
Fix app switch latency optimization. This optimization was broken due to recent changes in how ANRs are handled. Change-Id: Ic99248a12755fadac8d4893e7d305b773e038d3d
2010-09-16 21:07:33 +00:00
releasePendingEventLocked();
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
*nextWakeupTime = LONG_LONG_MIN; // force next poll to wake up immediately
}
}
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
bool InputDispatcher::enqueueInboundEventLocked(EventEntry* entry) {
bool needWake = mInboundQueue.isEmpty();
mInboundQueue.enqueueAtTail(entry);
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
switch (entry->type) {
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
case EventEntry::TYPE_KEY: {
KeyEntry* keyEntry = static_cast<KeyEntry*>(entry);
if (isAppSwitchKeyEventLocked(keyEntry)) {
if (keyEntry->action == AKEY_EVENT_ACTION_DOWN) {
mAppSwitchSawKeyDown = true;
} else if (keyEntry->action == AKEY_EVENT_ACTION_UP) {
if (mAppSwitchSawKeyDown) {
#if DEBUG_APP_SWITCH
LOGD("App switch is pending!");
#endif
mAppSwitchDueTime = keyEntry->eventTime + APP_SWITCH_TIMEOUT;
mAppSwitchSawKeyDown = false;
needWake = true;
}
}
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
break;
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
}
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
}
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
return needWake;
}
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
void InputDispatcher::dropInboundEventLocked(EventEntry* entry, DropReason dropReason) {
const char* reason;
switch (dropReason) {
case DROP_REASON_POLICY:
Fix an event injection bug when the policy is bypassed. Added the concept of a "trusted" event to distinguish between events from attached input devices or trusted injectors vs. other applications. This change enables us to move certain policy decisions out of the dispatcher and into the policy itself where they can be handled more systematically. Change-Id: I4d56fdcdd31aaa675d452088af39a70c4e039970
2010-10-11 21:20:19 +00:00
#if DEBUG_INBOUND_EVENT_DETAILS
Improve the input policy handling a bit. Fixed some issues with Monkeys turning off their own screens. Ook ook! Added some more comments to explain what's going on. Change-Id: Id2bc0466161a642a73ef7ef97725d1c81e984b12
2010-10-12 06:32:49 +00:00
LOGD("Dropped event because policy consumed it.");
Fix an event injection bug when the policy is bypassed. Added the concept of a "trusted" event to distinguish between events from attached input devices or trusted injectors vs. other applications. This change enables us to move certain policy decisions out of the dispatcher and into the policy itself where they can be handled more systematically. Change-Id: I4d56fdcdd31aaa675d452088af39a70c4e039970
2010-10-11 21:20:19 +00:00
#endif
Improve the input policy handling a bit. Fixed some issues with Monkeys turning off their own screens. Ook ook! Added some more comments to explain what's going on. Change-Id: Id2bc0466161a642a73ef7ef97725d1c81e984b12
2010-10-12 06:32:49 +00:00
reason = "inbound event was dropped because the policy consumed it";
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
break;
case DROP_REASON_DISABLED:
LOGI("Dropped event because input dispatch is disabled.");
reason = "inbound event was dropped because input dispatch is disabled";
break;
case DROP_REASON_APP_SWITCH:
LOGI("Dropped event because of pending overdue app switch.");
reason = "inbound event was dropped because of pending overdue app switch";
break;
default:
assert(false);
return;
}
switch (entry->type) {
case EventEntry::TYPE_KEY:
synthesizeCancelationEventsForAllConnectionsLocked(
InputState::CANCEL_NON_POINTER_EVENTS, reason);
break;
case EventEntry::TYPE_MOTION: {
MotionEntry* motionEntry = static_cast<MotionEntry*>(entry);
if (motionEntry->source & AINPUT_SOURCE_CLASS_POINTER) {
synthesizeCancelationEventsForAllConnectionsLocked(
InputState::CANCEL_POINTER_EVENTS, reason);
} else {
synthesizeCancelationEventsForAllConnectionsLocked(
InputState::CANCEL_NON_POINTER_EVENTS, reason);
}
break;
}
}
}
bool InputDispatcher::isAppSwitchKeyCode(int32_t keyCode) {
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
return keyCode == AKEYCODE_HOME || keyCode == AKEYCODE_ENDCALL;
}
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
bool InputDispatcher::isAppSwitchKeyEventLocked(KeyEntry* keyEntry) {
return ! (keyEntry->flags & AKEY_EVENT_FLAG_CANCELED)
&& isAppSwitchKeyCode(keyEntry->keyCode)
Fix an event injection bug when the policy is bypassed. Added the concept of a "trusted" event to distinguish between events from attached input devices or trusted injectors vs. other applications. This change enables us to move certain policy decisions out of the dispatcher and into the policy itself where they can be handled more systematically. Change-Id: I4d56fdcdd31aaa675d452088af39a70c4e039970
2010-10-11 21:20:19 +00:00
&& (keyEntry->policyFlags & POLICY_FLAG_TRUSTED)
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
&& (keyEntry->policyFlags & POLICY_FLAG_PASS_TO_USER);
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
bool InputDispatcher::isAppSwitchPendingLocked() {
return mAppSwitchDueTime != LONG_LONG_MAX;
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
void InputDispatcher::resetPendingAppSwitchLocked(bool handled) {
mAppSwitchDueTime = LONG_LONG_MAX;
#if DEBUG_APP_SWITCH
if (handled) {
LOGD("App switch has arrived.");
} else {
LOGD("App switch was abandoned.");
}
#endif
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
}
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
bool InputDispatcher::runCommandsLockedInterruptible() {
if (mCommandQueue.isEmpty()) {
return false;
}
do {
CommandEntry* commandEntry = mCommandQueue.dequeueAtHead();
Command command = commandEntry->command;
(this->*command)(commandEntry); // commands are implicitly 'LockedInterruptible'
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
commandEntry->connection.clear();
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
mAllocator.releaseCommandEntry(commandEntry);
} while (! mCommandQueue.isEmpty());
return true;
}
InputDispatcher::CommandEntry* InputDispatcher::postCommandLocked(Command command) {
CommandEntry* commandEntry = mAllocator.obtainCommandEntry(command);
mCommandQueue.enqueueAtTail(commandEntry);
return commandEntry;
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
void InputDispatcher::drainInboundQueueLocked() {
while (! mInboundQueue.isEmpty()) {
EventEntry* entry = mInboundQueue.dequeueAtHead();
Fix app switch latency optimization. This optimization was broken due to recent changes in how ANRs are handled. Change-Id: Ic99248a12755fadac8d4893e7d305b773e038d3d
2010-09-16 21:07:33 +00:00
releaseInboundEventLocked(entry);
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
}
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
Fix app switch latency optimization. This optimization was broken due to recent changes in how ANRs are handled. Change-Id: Ic99248a12755fadac8d4893e7d305b773e038d3d
2010-09-16 21:07:33 +00:00
void InputDispatcher::releasePendingEventLocked() {
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
if (mPendingEvent) {
Fix app switch latency optimization. This optimization was broken due to recent changes in how ANRs are handled. Change-Id: Ic99248a12755fadac8d4893e7d305b773e038d3d
2010-09-16 21:07:33 +00:00
releaseInboundEventLocked(mPendingEvent);
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
mPendingEvent = NULL;
}
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
}
Fix app switch latency optimization. This optimization was broken due to recent changes in how ANRs are handled. Change-Id: Ic99248a12755fadac8d4893e7d305b773e038d3d
2010-09-16 21:07:33 +00:00
void InputDispatcher::releaseInboundEventLocked(EventEntry* entry) {
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
InjectionState* injectionState = entry->injectionState;
if (injectionState && injectionState->injectionResult == INPUT_EVENT_INJECTION_PENDING) {
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
#if DEBUG_DISPATCH_CYCLE
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
LOGD("Injected inbound event was dropped.");
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
#endif
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
setInjectionResultLocked(entry, INPUT_EVENT_INJECTION_FAILED);
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
mAllocator.releaseEventEntry(entry);
}
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
void InputDispatcher::resetKeyRepeatLocked() {
if (mKeyRepeatState.lastKeyEntry) {
mAllocator.releaseKeyEntry(mKeyRepeatState.lastKeyEntry);
mKeyRepeatState.lastKeyEntry = NULL;
}
}
InputDispatcher::KeyEntry* InputDispatcher::synthesizeKeyRepeatLocked(
Fix key repeat delay. Change-Id: I6216e082324ee29bf50e37acc673350ca5417c4d
2010-09-07 17:44:57 +00:00
nsecs_t currentTime, nsecs_t keyRepeatDelay) {
Native input event dispatching. Target identification is now fully native. Fixed a couple of minor issues related to input injection. Native input enabled by default, can be disabled by setting WindowManagerPolicy.ENABLE_NATIVE_INPUT_DISPATCH to false. Change-Id: I7edf66ed3e987cc9306ad4743ac57a116af452ff
2010-06-22 08:27:15 +00:00
KeyEntry* entry = mKeyRepeatState.lastKeyEntry;
// Reuse the repeated key entry if it is otherwise unreferenced.
Fix an event injection bug when the policy is bypassed. Added the concept of a "trusted" event to distinguish between events from attached input devices or trusted injectors vs. other applications. This change enables us to move certain policy decisions out of the dispatcher and into the policy itself where they can be handled more systematically. Change-Id: I4d56fdcdd31aaa675d452088af39a70c4e039970
2010-10-11 21:20:19 +00:00
uint32_t policyFlags = (entry->policyFlags & POLICY_FLAG_RAW_MASK)
| POLICY_FLAG_PASS_TO_USER | POLICY_FLAG_TRUSTED;
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
if (entry->refCount == 1) {
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
mAllocator.recycleKeyEntry(entry);
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
entry->eventTime = currentTime;
entry->policyFlags = policyFlags;
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
entry->repeatCount += 1;
} else {
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
KeyEntry* newEntry = mAllocator.obtainKeyEntry(currentTime,
Add support for new input sources. Added several new coordinate values to MotionEvents to capture touch major/minor area, tool major/minor area and orientation. Renamed NDK input constants per convention. Added InputDevice class in Java which will eventually provide useful information about available input devices. Added APIs for manufacturing new MotionEvent objects with multiple pointers and all necessary coordinate data. Fixed a bug in the input dispatcher where it could get stuck with a pointer down forever. Fixed a bug in the WindowManager where the input window list could end up containing stale removed windows. Fixed a bug in the WindowManager where the input channel was being removed only after the final animation transition had taken place which caused spurious WINDOW DIED log messages to be printed. Change-Id: Ie55084da319b20aad29b28a0499b8dd98bb5da68
2010-07-15 01:48:53 +00:00
entry->deviceId, entry->source, policyFlags,
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
entry->action, entry->flags, entry->keyCode, entry->scanCode,
More native input dispatch work. Removed old input dispatch code. Refactored the policy callbacks. Pushed a tiny bit of the power manager state down to native. Fixed long press on MENU. Made the virtual key detection and cancelation a bit more precise. Change-Id: I5d8c1062f7ea0ab3b54c6fadb058c4d5f5a9e02e
2010-07-02 22:37:36 +00:00
entry->metaState, entry->repeatCount + 1, entry->downTime);
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
mKeyRepeatState.lastKeyEntry = newEntry;
mAllocator.releaseKeyEntry(entry);
entry = newEntry;
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
entry->syntheticRepeat = true;
// Increment reference count since we keep a reference to the event in
// mKeyRepeatState.lastKeyEntry in addition to the one we return.
entry->refCount += 1;
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
More native input dispatch work. Removed old input dispatch code. Refactored the policy callbacks. Pushed a tiny bit of the power manager state down to native. Fixed long press on MENU. Made the virtual key detection and cancelation a bit more precise. Change-Id: I5d8c1062f7ea0ab3b54c6fadb058c4d5f5a9e02e
2010-07-02 22:37:36 +00:00
if (entry->repeatCount == 1) {
Add support for new input sources. Added several new coordinate values to MotionEvents to capture touch major/minor area, tool major/minor area and orientation. Renamed NDK input constants per convention. Added InputDevice class in Java which will eventually provide useful information about available input devices. Added APIs for manufacturing new MotionEvent objects with multiple pointers and all necessary coordinate data. Fixed a bug in the input dispatcher where it could get stuck with a pointer down forever. Fixed a bug in the WindowManager where the input window list could end up containing stale removed windows. Fixed a bug in the WindowManager where the input channel was being removed only after the final animation transition had taken place which caused spurious WINDOW DIED log messages to be printed. Change-Id: Ie55084da319b20aad29b28a0499b8dd98bb5da68
2010-07-15 01:48:53 +00:00
entry->flags |= AKEY_EVENT_FLAG_LONG_PRESS;
More native input dispatch work. Removed old input dispatch code. Refactored the policy callbacks. Pushed a tiny bit of the power manager state down to native. Fixed long press on MENU. Made the virtual key detection and cancelation a bit more precise. Change-Id: I5d8c1062f7ea0ab3b54c6fadb058c4d5f5a9e02e
2010-07-02 22:37:36 +00:00
}
Fix key repeat delay. Change-Id: I6216e082324ee29bf50e37acc673350ca5417c4d
2010-09-07 17:44:57 +00:00
mKeyRepeatState.nextRepeatTime = currentTime + keyRepeatDelay;
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
return entry;
}
bool InputDispatcher::dispatchConfigurationChangedLocked(
nsecs_t currentTime, ConfigurationChangedEntry* entry) {
#if DEBUG_OUTBOUND_EVENT_DETAILS
LOGD("dispatchConfigurationChanged - eventTime=%lld", entry->eventTime);
#endif
// Reset key repeating in case a keyboard device was added or removed or something.
resetKeyRepeatLocked();
// Enqueue a command to run outside the lock to tell the policy that the configuration changed.
CommandEntry* commandEntry = postCommandLocked(
& InputDispatcher::doNotifyConfigurationChangedInterruptible);
commandEntry->eventTime = entry->eventTime;
return true;
}
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
bool InputDispatcher::dispatchKeyLocked(
nsecs_t currentTime, KeyEntry* entry, nsecs_t keyRepeatTimeout,
Fix an event injection bug when the policy is bypassed. Added the concept of a "trusted" event to distinguish between events from attached input devices or trusted injectors vs. other applications. This change enables us to move certain policy decisions out of the dispatcher and into the policy itself where they can be handled more systematically. Change-Id: I4d56fdcdd31aaa675d452088af39a70c4e039970
2010-10-11 21:20:19 +00:00
DropReason* dropReason, nsecs_t* nextWakeupTime) {
Fix app switch latency optimization. This optimization was broken due to recent changes in how ANRs are handled. Change-Id: Ic99248a12755fadac8d4893e7d305b773e038d3d
2010-09-16 21:07:33 +00:00
// Give the policy a chance to intercept the key.
if (entry->interceptKeyResult == KeyEntry::INTERCEPT_KEY_RESULT_UNKNOWN) {
Fix an event injection bug when the policy is bypassed. Added the concept of a "trusted" event to distinguish between events from attached input devices or trusted injectors vs. other applications. This change enables us to move certain policy decisions out of the dispatcher and into the policy itself where they can be handled more systematically. Change-Id: I4d56fdcdd31aaa675d452088af39a70c4e039970
2010-10-11 21:20:19 +00:00
if (entry->policyFlags & POLICY_FLAG_PASS_TO_USER) {
Fix app switch latency optimization. This optimization was broken due to recent changes in how ANRs are handled. Change-Id: Ic99248a12755fadac8d4893e7d305b773e038d3d
2010-09-16 21:07:33 +00:00
CommandEntry* commandEntry = postCommandLocked(
& InputDispatcher::doInterceptKeyBeforeDispatchingLockedInterruptible);
Fix an event injection bug when the policy is bypassed. Added the concept of a "trusted" event to distinguish between events from attached input devices or trusted injectors vs. other applications. This change enables us to move certain policy decisions out of the dispatcher and into the policy itself where they can be handled more systematically. Change-Id: I4d56fdcdd31aaa675d452088af39a70c4e039970
2010-10-11 21:20:19 +00:00
if (mFocusedWindow) {
Fix app switch latency optimization. This optimization was broken due to recent changes in how ANRs are handled. Change-Id: Ic99248a12755fadac8d4893e7d305b773e038d3d
2010-09-16 21:07:33 +00:00
commandEntry->inputChannel = mFocusedWindow->inputChannel;
}
commandEntry->keyEntry = entry;
entry->refCount += 1;
return false; // wait for the command to run
} else {
entry->interceptKeyResult = KeyEntry::INTERCEPT_KEY_RESULT_CONTINUE;
}
} else if (entry->interceptKeyResult == KeyEntry::INTERCEPT_KEY_RESULT_SKIP) {
Fix an event injection bug when the policy is bypassed. Added the concept of a "trusted" event to distinguish between events from attached input devices or trusted injectors vs. other applications. This change enables us to move certain policy decisions out of the dispatcher and into the policy itself where they can be handled more systematically. Change-Id: I4d56fdcdd31aaa675d452088af39a70c4e039970
2010-10-11 21:20:19 +00:00
if (*dropReason == DROP_REASON_NOT_DROPPED) {
*dropReason = DROP_REASON_POLICY;
}
Fix app switch latency optimization. This optimization was broken due to recent changes in how ANRs are handled. Change-Id: Ic99248a12755fadac8d4893e7d305b773e038d3d
2010-09-16 21:07:33 +00:00
}
// Clean up if dropping the event.
Fix an event injection bug when the policy is bypassed. Added the concept of a "trusted" event to distinguish between events from attached input devices or trusted injectors vs. other applications. This change enables us to move certain policy decisions out of the dispatcher and into the policy itself where they can be handled more systematically. Change-Id: I4d56fdcdd31aaa675d452088af39a70c4e039970
2010-10-11 21:20:19 +00:00
if (*dropReason != DROP_REASON_NOT_DROPPED) {
Fix app switch latency optimization. This optimization was broken due to recent changes in how ANRs are handled. Change-Id: Ic99248a12755fadac8d4893e7d305b773e038d3d
2010-09-16 21:07:33 +00:00
resetTargetsLocked();
Improve the input policy handling a bit. Fixed some issues with Monkeys turning off their own screens. Ook ook! Added some more comments to explain what's going on. Change-Id: Id2bc0466161a642a73ef7ef97725d1c81e984b12
2010-10-12 06:32:49 +00:00
setInjectionResultLocked(entry, *dropReason == DROP_REASON_POLICY
? INPUT_EVENT_INJECTION_SUCCEEDED : INPUT_EVENT_INJECTION_FAILED);
Fix app switch latency optimization. This optimization was broken due to recent changes in how ANRs are handled. Change-Id: Ic99248a12755fadac8d4893e7d305b773e038d3d
2010-09-16 21:07:33 +00:00
return true;
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
// Preprocessing.
if (! entry->dispatchInProgress) {
logOutboundKeyDetailsLocked("dispatchKey - ", entry);
if (entry->repeatCount == 0
&& entry->action == AKEY_EVENT_ACTION_DOWN
Fix an event injection bug when the policy is bypassed. Added the concept of a "trusted" event to distinguish between events from attached input devices or trusted injectors vs. other applications. This change enables us to move certain policy decisions out of the dispatcher and into the policy itself where they can be handled more systematically. Change-Id: I4d56fdcdd31aaa675d452088af39a70c4e039970
2010-10-11 21:20:19 +00:00
&& (entry->policyFlags & POLICY_FLAG_TRUSTED)
&& !entry->isInjected()) {
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
if (mKeyRepeatState.lastKeyEntry
&& mKeyRepeatState.lastKeyEntry->keyCode == entry->keyCode) {
// We have seen two identical key downs in a row which indicates that the device
// driver is automatically generating key repeats itself. We take note of the
// repeat here, but we disable our own next key repeat timer since it is clear that
// we will not need to synthesize key repeats ourselves.
entry->repeatCount = mKeyRepeatState.lastKeyEntry->repeatCount + 1;
resetKeyRepeatLocked();
mKeyRepeatState.nextRepeatTime = LONG_LONG_MAX; // don't generate repeats ourselves
} else {
// Not a repeat. Save key down state in case we do see a repeat later.
resetKeyRepeatLocked();
mKeyRepeatState.nextRepeatTime = entry->eventTime + keyRepeatTimeout;
}
mKeyRepeatState.lastKeyEntry = entry;
entry->refCount += 1;
} else if (! entry->syntheticRepeat) {
resetKeyRepeatLocked();
}
entry->dispatchInProgress = true;
Fix app switch latency optimization. This optimization was broken due to recent changes in how ANRs are handled. Change-Id: Ic99248a12755fadac8d4893e7d305b773e038d3d
2010-09-16 21:07:33 +00:00
resetTargetsLocked();
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
// Identify targets.
if (! mCurrentInputTargetsValid) {
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
int32_t injectionResult = findFocusedWindowTargetsLocked(currentTime,
entry, nextWakeupTime);
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
if (injectionResult == INPUT_EVENT_INJECTION_PENDING) {
return false;
}
setInjectionResultLocked(entry, injectionResult);
if (injectionResult != INPUT_EVENT_INJECTION_SUCCEEDED) {
return true;
}
addMonitoringTargetsLocked();
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
commitTargetsLocked();
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
// Dispatch the key.
dispatchEventToCurrentInputTargetsLocked(currentTime, entry, false);
return true;
}
void InputDispatcher::logOutboundKeyDetailsLocked(const char* prefix, const KeyEntry* entry) {
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
#if DEBUG_OUTBOUND_EVENT_DETAILS
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
LOGD("%seventTime=%lld, deviceId=0x%x, source=0x%x, policyFlags=0x%x, "
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
"action=0x%x, flags=0x%x, keyCode=0x%x, scanCode=0x%x, metaState=0x%x, "
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
"downTime=%lld",
prefix,
Add support for new input sources. Added several new coordinate values to MotionEvents to capture touch major/minor area, tool major/minor area and orientation. Renamed NDK input constants per convention. Added InputDevice class in Java which will eventually provide useful information about available input devices. Added APIs for manufacturing new MotionEvent objects with multiple pointers and all necessary coordinate data. Fixed a bug in the input dispatcher where it could get stuck with a pointer down forever. Fixed a bug in the WindowManager where the input window list could end up containing stale removed windows. Fixed a bug in the WindowManager where the input channel was being removed only after the final animation transition had taken place which caused spurious WINDOW DIED log messages to be printed. Change-Id: Ie55084da319b20aad29b28a0499b8dd98bb5da68
2010-07-15 01:48:53 +00:00
entry->eventTime, entry->deviceId, entry->source, entry->policyFlags,
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
entry->action, entry->flags, entry->keyCode, entry->scanCode, entry->metaState,
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
entry->downTime);
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
#endif
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
bool InputDispatcher::dispatchMotionLocked(
Fix an event injection bug when the policy is bypassed. Added the concept of a "trusted" event to distinguish between events from attached input devices or trusted injectors vs. other applications. This change enables us to move certain policy decisions out of the dispatcher and into the policy itself where they can be handled more systematically. Change-Id: I4d56fdcdd31aaa675d452088af39a70c4e039970
2010-10-11 21:20:19 +00:00
nsecs_t currentTime, MotionEntry* entry, DropReason* dropReason, nsecs_t* nextWakeupTime) {
Fix app switch latency optimization. This optimization was broken due to recent changes in how ANRs are handled. Change-Id: Ic99248a12755fadac8d4893e7d305b773e038d3d
2010-09-16 21:07:33 +00:00
// Clean up if dropping the event.
Fix an event injection bug when the policy is bypassed. Added the concept of a "trusted" event to distinguish between events from attached input devices or trusted injectors vs. other applications. This change enables us to move certain policy decisions out of the dispatcher and into the policy itself where they can be handled more systematically. Change-Id: I4d56fdcdd31aaa675d452088af39a70c4e039970
2010-10-11 21:20:19 +00:00
if (*dropReason != DROP_REASON_NOT_DROPPED) {
Fix app switch latency optimization. This optimization was broken due to recent changes in how ANRs are handled. Change-Id: Ic99248a12755fadac8d4893e7d305b773e038d3d
2010-09-16 21:07:33 +00:00
resetTargetsLocked();
Improve the input policy handling a bit. Fixed some issues with Monkeys turning off their own screens. Ook ook! Added some more comments to explain what's going on. Change-Id: Id2bc0466161a642a73ef7ef97725d1c81e984b12
2010-10-12 06:32:49 +00:00
setInjectionResultLocked(entry, *dropReason == DROP_REASON_POLICY
? INPUT_EVENT_INJECTION_SUCCEEDED : INPUT_EVENT_INJECTION_FAILED);
Fix app switch latency optimization. This optimization was broken due to recent changes in how ANRs are handled. Change-Id: Ic99248a12755fadac8d4893e7d305b773e038d3d
2010-09-16 21:07:33 +00:00
return true;
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
// Preprocessing.
if (! entry->dispatchInProgress) {
logOutboundMotionDetailsLocked("dispatchMotion - ", entry);
entry->dispatchInProgress = true;
Fix app switch latency optimization. This optimization was broken due to recent changes in how ANRs are handled. Change-Id: Ic99248a12755fadac8d4893e7d305b773e038d3d
2010-09-16 21:07:33 +00:00
resetTargetsLocked();
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
bool isPointerEvent = entry->source & AINPUT_SOURCE_CLASS_POINTER;
// Identify targets.
if (! mCurrentInputTargetsValid) {
int32_t injectionResult;
if (isPointerEvent) {
// Pointer event. (eg. touchscreen)
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
injectionResult = findTouchedWindowTargetsLocked(currentTime,
entry, nextWakeupTime);
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
} else {
// Non touch event. (eg. trackball)
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
injectionResult = findFocusedWindowTargetsLocked(currentTime,
entry, nextWakeupTime);
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
if (injectionResult == INPUT_EVENT_INJECTION_PENDING) {
return false;
}
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
setInjectionResultLocked(entry, injectionResult);
if (injectionResult != INPUT_EVENT_INJECTION_SUCCEEDED) {
return true;
}
addMonitoringTargetsLocked();
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
commitTargetsLocked();
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
// Dispatch the motion.
dispatchEventToCurrentInputTargetsLocked(currentTime, entry, false);
return true;
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
void InputDispatcher::logOutboundMotionDetailsLocked(const char* prefix, const MotionEntry* entry) {
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
#if DEBUG_OUTBOUND_EVENT_DETAILS
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
LOGD("%seventTime=%lld, deviceId=0x%x, source=0x%x, policyFlags=0x%x, "
Add support for secure views. Added the MotionEvent.FLAG_WINDOW_IS_OBSCURED flag which is set by the input manager whenever another visible window is partly or wholly obscured the target of a touch event so that applications can filter touches accordingly. Added a "filterTouchesWhenObscured" attribute to View which can be used to enable filtering of touches when the view's window is obscured. Change-Id: I936d9c85013fd2d77fb296a600528d30a29027d2
2010-09-02 00:01:00 +00:00
"action=0x%x, flags=0x%x, "
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
"metaState=0x%x, edgeFlags=0x%x, xPrecision=%f, yPrecision=%f, downTime=%lld",
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
prefix,
Add support for secure views. Added the MotionEvent.FLAG_WINDOW_IS_OBSCURED flag which is set by the input manager whenever another visible window is partly or wholly obscured the target of a touch event so that applications can filter touches accordingly. Added a "filterTouchesWhenObscured" attribute to View which can be used to enable filtering of touches when the view's window is obscured. Change-Id: I936d9c85013fd2d77fb296a600528d30a29027d2
2010-09-02 00:01:00 +00:00
entry->eventTime, entry->deviceId, entry->source, entry->policyFlags,
entry->action, entry->flags,
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
entry->metaState, entry->edgeFlags, entry->xPrecision, entry->yPrecision,
entry->downTime);
// Print the most recent sample that we have available, this may change due to batching.
size_t sampleCount = 1;
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
const MotionSample* sample = & entry->firstSample;
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
for (; sample->next != NULL; sample = sample->next) {
sampleCount += 1;
}
for (uint32_t i = 0; i < entry->pointerCount; i++) {
Input device calibration and capabilities. Finished the input device capability API. Added a mechanism for calibrating touch devices to obtain more accurate information about the touch contact area. Improved pointer location to show new coordinates and capabilities. Optimized pointer location display and formatting to avoid allocating large numbers of temporary objects. The GC churn was causing the application to stutter very badly when more than a couple of fingers were down). Added more diagnostics. Change-Id: Ie25380278ed6f16c5b04cd9df848015850383498
2010-08-30 10:02:23 +00:00
LOGD(" Pointer %d: id=%d, x=%f, y=%f, pressure=%f, size=%f, "
Add support for secure views. Added the MotionEvent.FLAG_WINDOW_IS_OBSCURED flag which is set by the input manager whenever another visible window is partly or wholly obscured the target of a touch event so that applications can filter touches accordingly. Added a "filterTouchesWhenObscured" attribute to View which can be used to enable filtering of touches when the view's window is obscured. Change-Id: I936d9c85013fd2d77fb296a600528d30a29027d2
2010-09-02 00:01:00 +00:00
"touchMajor=%f, touchMinor=%f, toolMajor=%f, toolMinor=%f, "
Input device calibration and capabilities. Finished the input device capability API. Added a mechanism for calibrating touch devices to obtain more accurate information about the touch contact area. Improved pointer location to show new coordinates and capabilities. Optimized pointer location display and formatting to avoid allocating large numbers of temporary objects. The GC churn was causing the application to stutter very badly when more than a couple of fingers were down). Added more diagnostics. Change-Id: Ie25380278ed6f16c5b04cd9df848015850383498
2010-08-30 10:02:23 +00:00
"orientation=%f",
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
i, entry->pointerIds[i],
Input device calibration and capabilities. Finished the input device capability API. Added a mechanism for calibrating touch devices to obtain more accurate information about the touch contact area. Improved pointer location to show new coordinates and capabilities. Optimized pointer location display and formatting to avoid allocating large numbers of temporary objects. The GC churn was causing the application to stutter very badly when more than a couple of fingers were down). Added more diagnostics. Change-Id: Ie25380278ed6f16c5b04cd9df848015850383498
2010-08-30 10:02:23 +00:00
sample->pointerCoords[i].x, sample->pointerCoords[i].y,
sample->pointerCoords[i].pressure, sample->pointerCoords[i].size,
sample->pointerCoords[i].touchMajor, sample->pointerCoords[i].touchMinor,
sample->pointerCoords[i].toolMajor, sample->pointerCoords[i].toolMinor,
sample->pointerCoords[i].orientation);
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
}
// Keep in mind that due to batching, it is possible for the number of samples actually
// dispatched to change before the application finally consumed them.
Add support for new input sources. Added several new coordinate values to MotionEvents to capture touch major/minor area, tool major/minor area and orientation. Renamed NDK input constants per convention. Added InputDevice class in Java which will eventually provide useful information about available input devices. Added APIs for manufacturing new MotionEvent objects with multiple pointers and all necessary coordinate data. Fixed a bug in the input dispatcher where it could get stuck with a pointer down forever. Fixed a bug in the WindowManager where the input window list could end up containing stale removed windows. Fixed a bug in the WindowManager where the input channel was being removed only after the final animation transition had taken place which caused spurious WINDOW DIED log messages to be printed. Change-Id: Ie55084da319b20aad29b28a0499b8dd98bb5da68
2010-07-15 01:48:53 +00:00
if (entry->action == AMOTION_EVENT_ACTION_MOVE) {
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
LOGD(" ... Total movement samples currently batched %d ...", sampleCount);
}
#endif
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
void InputDispatcher::dispatchEventToCurrentInputTargetsLocked(nsecs_t currentTime,
EventEntry* eventEntry, bool resumeWithAppendedMotionSample) {
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
#if DEBUG_DISPATCH_CYCLE
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
LOGD("dispatchEventToCurrentInputTargets - "
"resumeWithAppendedMotionSample=%s",
toString(resumeWithAppendedMotionSample));
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
#endif
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
assert(eventEntry->dispatchInProgress); // should already have been set to true
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
Fix bug where home presses were not poking user activity. We now poke user activity twice: once upon dequeueing an event for dispatch and then again just before we dispatch it. The second poke is to compensate for the fact that it can take a few seconds to identify the dispatch target (if the application is responding slowly) but we want to keep the display from going to sleep for X amount of time after the app gets a chance to actually receive the event. This mirrors pre-Gingerbread behavior. Removed some unnecessary code that filters user activity pokes when sending events to KeyGuard. We don't need this because KeyGuard already tells the power manager to disable user activity. Bug: 3101397 Change-Id: I8c3a77601fdef8f584e84cfdd11aa79da0ff51db
2010-10-18 20:21:23 +00:00
pokeUserActivityLocked(eventEntry);
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
for (size_t i = 0; i < mCurrentInputTargets.size(); i++) {
const InputTarget& inputTarget = mCurrentInputTargets.itemAt(i);
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
ssize_t connectionIndex = getConnectionIndexLocked(inputTarget.inputChannel);
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
if (connectionIndex >= 0) {
sp<Connection> connection = mConnectionsByReceiveFd.valueAt(connectionIndex);
prepareDispatchCycleLocked(currentTime, connection, eventEntry, & inputTarget,
resumeWithAppendedMotionSample);
} else {
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
#if DEBUG_FOCUS
LOGD("Dropping event delivery to target with channel '%s' because it "
"is no longer registered with the input dispatcher.",
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
inputTarget.inputChannel->getName().string());
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
#endif
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
}
}
Fix app switch latency optimization. This optimization was broken due to recent changes in how ANRs are handled. Change-Id: Ic99248a12755fadac8d4893e7d305b773e038d3d
2010-09-16 21:07:33 +00:00
void InputDispatcher::resetTargetsLocked() {
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
mCurrentInputTargetsValid = false;
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
mCurrentInputTargets.clear();
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
mInputTargetWaitCause = INPUT_TARGET_WAIT_CAUSE_NONE;
}
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
void InputDispatcher::commitTargetsLocked() {
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
mCurrentInputTargetsValid = true;
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
int32_t InputDispatcher::handleTargetsNotReadyLocked(nsecs_t currentTime,
const EventEntry* entry, const InputApplication* application, const InputWindow* window,
nsecs_t* nextWakeupTime) {
if (application == NULL && window == NULL) {
if (mInputTargetWaitCause != INPUT_TARGET_WAIT_CAUSE_SYSTEM_NOT_READY) {
#if DEBUG_FOCUS
LOGD("Waiting for system to become ready for input.");
#endif
mInputTargetWaitCause = INPUT_TARGET_WAIT_CAUSE_SYSTEM_NOT_READY;
mInputTargetWaitStartTime = currentTime;
mInputTargetWaitTimeoutTime = LONG_LONG_MAX;
mInputTargetWaitTimeoutExpired = false;
}
} else {
if (mInputTargetWaitCause != INPUT_TARGET_WAIT_CAUSE_APPLICATION_NOT_READY) {
#if DEBUG_FOCUS
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
LOGD("Waiting for application to become ready for input: %s",
getApplicationWindowLabelLocked(application, window).string());
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
#endif
nsecs_t timeout = window ? window->dispatchingTimeout :
application ? application->dispatchingTimeout : DEFAULT_INPUT_DISPATCHING_TIMEOUT;
mInputTargetWaitCause = INPUT_TARGET_WAIT_CAUSE_APPLICATION_NOT_READY;
mInputTargetWaitStartTime = currentTime;
mInputTargetWaitTimeoutTime = currentTime + timeout;
mInputTargetWaitTimeoutExpired = false;
}
}
if (mInputTargetWaitTimeoutExpired) {
return INPUT_EVENT_INJECTION_TIMED_OUT;
}
if (currentTime >= mInputTargetWaitTimeoutTime) {
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
onANRLocked(currentTime, application, window, entry->eventTime, mInputTargetWaitStartTime);
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
// Force poll loop to wake up immediately on next iteration once we get the
// ANR response back from the policy.
*nextWakeupTime = LONG_LONG_MIN;
return INPUT_EVENT_INJECTION_PENDING;
} else {
// Force poll loop to wake up when timeout is due.
if (mInputTargetWaitTimeoutTime < *nextWakeupTime) {
*nextWakeupTime = mInputTargetWaitTimeoutTime;
}
return INPUT_EVENT_INJECTION_PENDING;
}
}
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
void InputDispatcher::resumeAfterTargetsNotReadyTimeoutLocked(nsecs_t newTimeout,
const sp<InputChannel>& inputChannel) {
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
if (newTimeout > 0) {
// Extend the timeout.
mInputTargetWaitTimeoutTime = now() + newTimeout;
} else {
// Give up.
mInputTargetWaitTimeoutExpired = true;
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
// Release the touch targets.
mTouchState.reset();
Fix input dispatcher regression on launcher drag&drop. Change-Id: I40e937bd712cd2ed6cceac95dfd1b8c8e070724f
2010-09-16 19:31:46 +00:00
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
// Input state will not be realistic. Mark it out of sync.
Fix NPE when handling certain kinds of ANRs. Change-Id: Iccef1852e52c84f6f49d30c491431460a10b33d3
2010-09-16 18:02:16 +00:00
if (inputChannel.get()) {
ssize_t connectionIndex = getConnectionIndexLocked(inputChannel);
if (connectionIndex >= 0) {
sp<Connection> connection = mConnectionsByReceiveFd.valueAt(connectionIndex);
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
synthesizeCancelationEventsForConnectionLocked(
connection, InputState::CANCEL_ALL_EVENTS,
"application not responding");
Fix NPE when handling certain kinds of ANRs. Change-Id: Iccef1852e52c84f6f49d30c491431460a10b33d3
2010-09-16 18:02:16 +00:00
}
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
}
Native input event dispatching. Target identification is now fully native. Fixed a couple of minor issues related to input injection. Native input enabled by default, can be disabled by setting WindowManagerPolicy.ENABLE_NATIVE_INPUT_DISPATCH to false. Change-Id: I7edf66ed3e987cc9306ad4743ac57a116af452ff
2010-06-22 08:27:15 +00:00
}
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
}
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
nsecs_t InputDispatcher::getTimeSpentWaitingForApplicationLocked(
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
nsecs_t currentTime) {
if (mInputTargetWaitCause == INPUT_TARGET_WAIT_CAUSE_APPLICATION_NOT_READY) {
return currentTime - mInputTargetWaitStartTime;
}
return 0;
}
void InputDispatcher::resetANRTimeoutsLocked() {
#if DEBUG_FOCUS
LOGD("Resetting ANR timeouts.");
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
#endif
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
// Reset input target wait timeout.
mInputTargetWaitCause = INPUT_TARGET_WAIT_CAUSE_NONE;
}
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
int32_t InputDispatcher::findFocusedWindowTargetsLocked(nsecs_t currentTime,
const EventEntry* entry, nsecs_t* nextWakeupTime) {
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
mCurrentInputTargets.clear();
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
int32_t injectionResult;
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
// If there is no currently focused window and no focused application
// then drop the event.
if (! mFocusedWindow) {
if (mFocusedApplication) {
#if DEBUG_FOCUS
LOGD("Waiting because there is no focused window but there is a "
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
"focused application that may eventually add a window: %s.",
getApplicationWindowLabelLocked(mFocusedApplication, NULL).string());
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
#endif
injectionResult = handleTargetsNotReadyLocked(currentTime, entry,
mFocusedApplication, NULL, nextWakeupTime);
goto Unresponsive;
}
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
LOGI("Dropping event because there is no focused window or focused application.");
injectionResult = INPUT_EVENT_INJECTION_FAILED;
goto Failed;
Native input event dispatching. Target identification is now fully native. Fixed a couple of minor issues related to input injection. Native input enabled by default, can be disabled by setting WindowManagerPolicy.ENABLE_NATIVE_INPUT_DISPATCH to false. Change-Id: I7edf66ed3e987cc9306ad4743ac57a116af452ff
2010-06-22 08:27:15 +00:00
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
// Check permissions.
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
if (! checkInjectionPermission(mFocusedWindow, entry->injectionState)) {
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
injectionResult = INPUT_EVENT_INJECTION_PERMISSION_DENIED;
goto Failed;
}
// If the currently focused window is paused then keep waiting.
if (mFocusedWindow->paused) {
#if DEBUG_FOCUS
LOGD("Waiting because focused window is paused.");
#endif
injectionResult = handleTargetsNotReadyLocked(currentTime, entry,
mFocusedApplication, mFocusedWindow, nextWakeupTime);
goto Unresponsive;
}
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
// If the currently focused window is still working on previous events then keep waiting.
if (! isWindowFinishedWithPreviousInputLocked(mFocusedWindow)) {
#if DEBUG_FOCUS
LOGD("Waiting because focused window still processing previous input.");
#endif
injectionResult = handleTargetsNotReadyLocked(currentTime, entry,
mFocusedApplication, mFocusedWindow, nextWakeupTime);
goto Unresponsive;
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
// Success! Output targets.
injectionResult = INPUT_EVENT_INJECTION_SUCCEEDED;
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
addWindowTargetLocked(mFocusedWindow, InputTarget::FLAG_FOREGROUND, BitSet32(0));
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
// Done.
Failed:
Unresponsive:
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
nsecs_t timeSpentWaitingForApplication = getTimeSpentWaitingForApplicationLocked(currentTime);
updateDispatchStatisticsLocked(currentTime, entry,
injectionResult, timeSpentWaitingForApplication);
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
#if DEBUG_FOCUS
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
LOGD("findFocusedWindow finished: injectionResult=%d, "
"timeSpendWaitingForApplication=%0.1fms",
injectionResult, timeSpentWaitingForApplication / 1000000.0);
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
#endif
return injectionResult;
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
}
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
int32_t InputDispatcher::findTouchedWindowTargetsLocked(nsecs_t currentTime,
const MotionEntry* entry, nsecs_t* nextWakeupTime) {
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
enum InjectionPermission {
INJECTION_PERMISSION_UNKNOWN,
INJECTION_PERMISSION_GRANTED,
INJECTION_PERMISSION_DENIED
};
mCurrentInputTargets.clear();
nsecs_t startTime = now();
// For security reasons, we defer updating the touch state until we are sure that
// event injection will be allowed.
//
// FIXME In the original code, screenWasOff could never be set to true.
// The reason is that the POLICY_FLAG_WOKE_HERE
// and POLICY_FLAG_BRIGHT_HERE flags were set only when preprocessing raw
// EV_KEY, EV_REL and EV_ABS events. As it happens, the touch event was
// actually enqueued using the policyFlags that appeared in the final EV_SYN
// events upon which no preprocessing took place. So policyFlags was always 0.
// In the new native input dispatcher we're a bit more careful about event
// preprocessing so the touches we receive can actually have non-zero policyFlags.
// Unfortunately we obtain undesirable behavior.
//
// Here's what happens:
//
// When the device dims in anticipation of going to sleep, touches
// in windows which have FLAG_TOUCHABLE_WHEN_WAKING cause
// the device to brighten and reset the user activity timer.
// Touches on other windows (such as the launcher window)
// are dropped. Then after a moment, the device goes to sleep. Oops.
//
// Also notice how screenWasOff was being initialized using POLICY_FLAG_BRIGHT_HERE
// instead of POLICY_FLAG_WOKE_HERE...
//
bool screenWasOff = false; // original policy: policyFlags & POLICY_FLAG_BRIGHT_HERE;
int32_t action = entry->action;
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
int32_t maskedAction = action & AMOTION_EVENT_ACTION_MASK;
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
// Update the touch state as needed based on the properties of the touch event.
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
int32_t injectionResult = INPUT_EVENT_INJECTION_PENDING;
InjectionPermission injectionPermission = INJECTION_PERMISSION_UNKNOWN;
if (maskedAction == AMOTION_EVENT_ACTION_DOWN) {
mTempTouchState.reset();
mTempTouchState.down = true;
} else {
mTempTouchState.copyFrom(mTouchState);
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
bool isSplit = mTempTouchState.split && mTempTouchState.down;
if (maskedAction == AMOTION_EVENT_ACTION_DOWN
|| (isSplit && maskedAction == AMOTION_EVENT_ACTION_POINTER_DOWN)) {
/* Case 1: New splittable pointer going down. */
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
int32_t pointerIndex = getMotionEventActionPointerIndex(action);
int32_t x = int32_t(entry->firstSample.pointerCoords[pointerIndex].x);
int32_t y = int32_t(entry->firstSample.pointerCoords[pointerIndex].y);
const InputWindow* newTouchedWindow = NULL;
const InputWindow* topErrorWindow = NULL;
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
// Traverse windows from front to back to find touched window and outside targets.
size_t numWindows = mWindows.size();
for (size_t i = 0; i < numWindows; i++) {
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
const InputWindow* window = & mWindows.editItemAt(i);
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
int32_t flags = window->layoutParamsFlags;
if (flags & InputWindow::FLAG_SYSTEM_ERROR) {
if (! topErrorWindow) {
topErrorWindow = window;
}
}
if (window->visible) {
if (! (flags & InputWindow::FLAG_NOT_TOUCHABLE)) {
bool isTouchModal = (flags & (InputWindow::FLAG_NOT_FOCUSABLE
| InputWindow::FLAG_NOT_TOUCH_MODAL)) == 0;
if (isTouchModal || window->touchableAreaContainsPoint(x, y)) {
if (! screenWasOff || flags & InputWindow::FLAG_TOUCHABLE_WHEN_WAKING) {
newTouchedWindow = window;
}
break; // found touched window, exit window loop
}
}
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
if (maskedAction == AMOTION_EVENT_ACTION_DOWN
&& (flags & InputWindow::FLAG_WATCH_OUTSIDE_TOUCH)) {
Make secure views tolerate IME overlays. Change-Id: I3cf09b9d91045f4d9c558b4aace482a7b0bbd3d8
2010-10-05 19:26:23 +00:00
int32_t outsideTargetFlags = InputTarget::FLAG_OUTSIDE;
if (isWindowObscuredAtPointLocked(window, x, y)) {
outsideTargetFlags |= InputTarget::FLAG_WINDOW_IS_OBSCURED;
}
mTempTouchState.addOrUpdateWindow(window, outsideTargetFlags, BitSet32(0));
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
}
}
// If there is an error window but it is not taking focus (typically because
// it is invisible) then wait for it. Any other focused window may in
// fact be in ANR state.
if (topErrorWindow && newTouchedWindow != topErrorWindow) {
#if DEBUG_FOCUS
LOGD("Waiting because system error window is pending.");
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
#endif
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
injectionResult = handleTargetsNotReadyLocked(currentTime, entry,
NULL, NULL, nextWakeupTime);
injectionPermission = INJECTION_PERMISSION_UNKNOWN;
goto Unresponsive;
}
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
// Figure out whether splitting will be allowed for this window.
Fix bug in split touches. Change-Id: I808c2201a06938f82817058059f4ddcc9b1a9ae2
2010-09-28 20:24:41 +00:00
if (newTouchedWindow
&& (newTouchedWindow->layoutParamsFlags & InputWindow::FLAG_SPLIT_TOUCH)) {
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
// New window supports splitting.
isSplit = true;
} else if (isSplit) {
// New window does not support splitting but we have already split events.
// Assign the pointer to the first foreground window we find.
// (May be NULL which is why we put this code block before the next check.)
newTouchedWindow = mTempTouchState.getFirstForegroundWindow();
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
// If we did not find a touched window then fail.
if (! newTouchedWindow) {
if (mFocusedApplication) {
#if DEBUG_FOCUS
LOGD("Waiting because there is no touched window but there is a "
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
"focused application that may eventually add a new window: %s.",
getApplicationWindowLabelLocked(mFocusedApplication, NULL).string());
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
#endif
injectionResult = handleTargetsNotReadyLocked(currentTime, entry,
mFocusedApplication, NULL, nextWakeupTime);
goto Unresponsive;
}
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
LOGI("Dropping event because there is no touched window or focused application.");
injectionResult = INPUT_EVENT_INJECTION_FAILED;
goto Failed;
}
Make secure views tolerate IME overlays. Change-Id: I3cf09b9d91045f4d9c558b4aace482a7b0bbd3d8
2010-10-05 19:26:23 +00:00
// Set target flags.
int32_t targetFlags = InputTarget::FLAG_FOREGROUND;
if (isSplit) {
targetFlags |= InputTarget::FLAG_SPLIT;
}
if (isWindowObscuredAtPointLocked(newTouchedWindow, x, y)) {
targetFlags |= InputTarget::FLAG_WINDOW_IS_OBSCURED;
}
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
// Update the temporary touch state.
BitSet32 pointerIds;
if (isSplit) {
uint32_t pointerId = entry->pointerIds[pointerIndex];
pointerIds.markBit(pointerId);
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
mTempTouchState.addOrUpdateWindow(newTouchedWindow, targetFlags, pointerIds);
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
} else {
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
/* Case 2: Pointer move, up, cancel or non-splittable pointer down. */
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
// If the pointer is not currently down, then ignore the event.
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
if (! mTempTouchState.down) {
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
LOGI("Dropping event because the pointer is not down.");
injectionResult = INPUT_EVENT_INJECTION_FAILED;
goto Failed;
}
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
// Check permission to inject into all touched foreground windows and ensure there
// is at least one touched foreground window.
{
bool haveForegroundWindow = false;
for (size_t i = 0; i < mTempTouchState.windows.size(); i++) {
const TouchedWindow& touchedWindow = mTempTouchState.windows[i];
if (touchedWindow.targetFlags & InputTarget::FLAG_FOREGROUND) {
haveForegroundWindow = true;
if (! checkInjectionPermission(touchedWindow.window, entry->injectionState)) {
injectionResult = INPUT_EVENT_INJECTION_PERMISSION_DENIED;
injectionPermission = INJECTION_PERMISSION_DENIED;
goto Failed;
}
}
}
if (! haveForegroundWindow) {
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
#if DEBUG_INPUT_DISPATCHER_POLICY
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
LOGD("Dropping event because there is no touched foreground window to receive it.");
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
#endif
injectionResult = INPUT_EVENT_INJECTION_FAILED;
goto Failed;
}
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
// Permission granted to injection into all touched foreground windows.
injectionPermission = INJECTION_PERMISSION_GRANTED;
}
// Ensure all touched foreground windows are ready for new input.
for (size_t i = 0; i < mTempTouchState.windows.size(); i++) {
const TouchedWindow& touchedWindow = mTempTouchState.windows[i];
if (touchedWindow.targetFlags & InputTarget::FLAG_FOREGROUND) {
// If the touched window is paused then keep waiting.
if (touchedWindow.window->paused) {
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
#if DEBUG_INPUT_DISPATCHER_POLICY
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
LOGD("Waiting because touched window is paused.");
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
#endif
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
injectionResult = handleTargetsNotReadyLocked(currentTime, entry,
NULL, touchedWindow.window, nextWakeupTime);
goto Unresponsive;
}
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
// If the touched window is still working on previous events then keep waiting.
if (! isWindowFinishedWithPreviousInputLocked(touchedWindow.window)) {
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
#if DEBUG_FOCUS
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
LOGD("Waiting because touched window still processing previous input.");
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
#endif
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
injectionResult = handleTargetsNotReadyLocked(currentTime, entry,
NULL, touchedWindow.window, nextWakeupTime);
goto Unresponsive;
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
}
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
// If this is the first pointer going down and the touched window has a wallpaper
// then also add the touched wallpaper windows so they are locked in for the duration
// of the touch gesture.
if (maskedAction == AMOTION_EVENT_ACTION_DOWN) {
const InputWindow* foregroundWindow = mTempTouchState.getFirstForegroundWindow();
if (foregroundWindow->hasWallpaper) {
for (size_t i = 0; i < mWindows.size(); i++) {
const InputWindow* window = & mWindows[i];
if (window->layoutParamsType == InputWindow::TYPE_WALLPAPER) {
Make secure views tolerate IME overlays. Change-Id: I3cf09b9d91045f4d9c558b4aace482a7b0bbd3d8
2010-10-05 19:26:23 +00:00
mTempTouchState.addOrUpdateWindow(window,
InputTarget::FLAG_WINDOW_IS_OBSCURED, BitSet32(0));
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
}
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
// Success! Output targets.
injectionResult = INPUT_EVENT_INJECTION_SUCCEEDED;
for (size_t i = 0; i < mTempTouchState.windows.size(); i++) {
const TouchedWindow& touchedWindow = mTempTouchState.windows.itemAt(i);
addWindowTargetLocked(touchedWindow.window, touchedWindow.targetFlags,
touchedWindow.pointerIds);
}
// Drop the outside touch window since we will not care about them in the next iteration.
mTempTouchState.removeOutsideTouchWindows();
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
Failed:
// Check injection permission once and for all.
if (injectionPermission == INJECTION_PERMISSION_UNKNOWN) {
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
if (checkInjectionPermission(NULL, entry->injectionState)) {
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
injectionPermission = INJECTION_PERMISSION_GRANTED;
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
} else {
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
injectionPermission = INJECTION_PERMISSION_DENIED;
}
}
// Update final pieces of touch state if the injector had permission.
if (injectionPermission == INJECTION_PERMISSION_GRANTED) {
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
if (maskedAction == AMOTION_EVENT_ACTION_UP
|| maskedAction == AMOTION_EVENT_ACTION_CANCEL) {
// All pointers up or canceled.
mTempTouchState.reset();
} else if (maskedAction == AMOTION_EVENT_ACTION_DOWN) {
// First pointer went down.
if (mTouchState.down) {
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
#if DEBUG_FOCUS
LOGD("Pointer down received while already down.");
#endif
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
} else if (maskedAction == AMOTION_EVENT_ACTION_POINTER_UP) {
// One pointer went up.
if (isSplit) {
int32_t pointerIndex = getMotionEventActionPointerIndex(action);
uint32_t pointerId = entry->pointerIds[pointerIndex];
for (size_t i = 0; i < mTempTouchState.windows.size(); ) {
TouchedWindow& touchedWindow = mTempTouchState.windows.editItemAt(i);
if (touchedWindow.targetFlags & InputTarget::FLAG_SPLIT) {
touchedWindow.pointerIds.clearBit(pointerId);
if (touchedWindow.pointerIds.isEmpty()) {
mTempTouchState.windows.removeAt(i);
continue;
}
}
i += 1;
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
}
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
// Save changes to touch state.
mTouchState.copyFrom(mTempTouchState);
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
} else {
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
#if DEBUG_FOCUS
LOGD("Not updating touch focus because injection was denied.");
#endif
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
Unresponsive:
Drop all dispatcher state when dispatcher is disabled. This patch makes the dispatcher drop all of its state when it is disabled (when the screen turns off). This ensures that the dispatcher does not get stuck thinking a pointer is still down if the screen turned off while the user was touching the display (such as a fat touch while hitting the power button). Bug: 3098344 Change-Id: If50ef5804870aa1acd3179fd4b40e3cda58dd39d
2010-10-28 01:43:51 +00:00
// Reset temporary touch state to ensure we release unnecessary references to input channels.
mTempTouchState.reset();
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
nsecs_t timeSpentWaitingForApplication = getTimeSpentWaitingForApplicationLocked(currentTime);
updateDispatchStatisticsLocked(currentTime, entry,
injectionResult, timeSpentWaitingForApplication);
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
#if DEBUG_FOCUS
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
LOGD("findTouchedWindow finished: injectionResult=%d, injectionPermission=%d, "
"timeSpentWaitingForApplication=%0.1fms",
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
injectionResult, injectionPermission, timeSpentWaitingForApplication / 1000000.0);
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
#endif
return injectionResult;
}
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
void InputDispatcher::addWindowTargetLocked(const InputWindow* window, int32_t targetFlags,
BitSet32 pointerIds) {
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
mCurrentInputTargets.push();
InputTarget& target = mCurrentInputTargets.editTop();
target.inputChannel = window->inputChannel;
target.flags = targetFlags;
target.xOffset = - window->frameLeft;
target.yOffset = - window->frameTop;
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
target.pointerIds = pointerIds;
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
void InputDispatcher::addMonitoringTargetsLocked() {
for (size_t i = 0; i < mMonitoringChannels.size(); i++) {
mCurrentInputTargets.push();
InputTarget& target = mCurrentInputTargets.editTop();
target.inputChannel = mMonitoringChannels[i];
target.flags = 0;
target.xOffset = 0;
target.yOffset = 0;
}
}
bool InputDispatcher::checkInjectionPermission(const InputWindow* window,
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
const InjectionState* injectionState) {
if (injectionState
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
&& (window == NULL || window->ownerUid != injectionState->injectorUid)
&& !hasInjectionPermission(injectionState->injectorPid, injectionState->injectorUid)) {
if (window) {
LOGW("Permission denied: injecting event from pid %d uid %d to window "
"with input channel %s owned by uid %d",
injectionState->injectorPid, injectionState->injectorUid,
window->inputChannel->getName().string(),
window->ownerUid);
} else {
LOGW("Permission denied: injecting event from pid %d uid %d",
injectionState->injectorPid, injectionState->injectorUid);
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
return false;
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
return true;
}
Make secure views tolerate IME overlays. Change-Id: I3cf09b9d91045f4d9c558b4aace482a7b0bbd3d8
2010-10-05 19:26:23 +00:00
bool InputDispatcher::isWindowObscuredAtPointLocked(
const InputWindow* window, int32_t x, int32_t y) const {
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
size_t numWindows = mWindows.size();
for (size_t i = 0; i < numWindows; i++) {
const InputWindow* other = & mWindows.itemAt(i);
if (other == window) {
break;
}
Make secure views tolerate IME overlays. Change-Id: I3cf09b9d91045f4d9c558b4aace482a7b0bbd3d8
2010-10-05 19:26:23 +00:00
if (other->visible && ! other->isTrustedOverlay() && other->frameContainsPoint(x, y)) {
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
return true;
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
}
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
return false;
}
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
bool InputDispatcher::isWindowFinishedWithPreviousInputLocked(const InputWindow* window) {
ssize_t connectionIndex = getConnectionIndexLocked(window->inputChannel);
if (connectionIndex >= 0) {
sp<Connection> connection = mConnectionsByReceiveFd.valueAt(connectionIndex);
return connection->outboundQueue.isEmpty();
} else {
return true;
}
}
String8 InputDispatcher::getApplicationWindowLabelLocked(const InputApplication* application,
const InputWindow* window) {
if (application) {
if (window) {
String8 label(application->name);
label.append(" - ");
label.append(window->name);
return label;
} else {
return application->name;
}
} else if (window) {
return window->name;
} else {
return String8("<unknown application or window>");
}
}
Fix bug where home presses were not poking user activity. We now poke user activity twice: once upon dequeueing an event for dispatch and then again just before we dispatch it. The second poke is to compensate for the fact that it can take a few seconds to identify the dispatch target (if the application is responding slowly) but we want to keep the display from going to sleep for X amount of time after the app gets a chance to actually receive the event. This mirrors pre-Gingerbread behavior. Removed some unnecessary code that filters user activity pokes when sending events to KeyGuard. We don't need this because KeyGuard already tells the power manager to disable user activity. Bug: 3101397 Change-Id: I8c3a77601fdef8f584e84cfdd11aa79da0ff51db
2010-10-18 20:21:23 +00:00
void InputDispatcher::pokeUserActivityLocked(const EventEntry* eventEntry) {
int32_t eventType = POWER_MANAGER_BUTTON_EVENT;
if (eventEntry->type == EventEntry::TYPE_MOTION) {
const MotionEntry* motionEntry = static_cast<const MotionEntry*>(eventEntry);
if (motionEntry->source & AINPUT_SOURCE_CLASS_POINTER) {
switch (motionEntry->action) {
case AMOTION_EVENT_ACTION_DOWN:
eventType = POWER_MANAGER_TOUCH_EVENT;
break;
case AMOTION_EVENT_ACTION_UP:
eventType = POWER_MANAGER_TOUCH_UP_EVENT;
break;
default:
if (motionEntry->eventTime - motionEntry->downTime >= EVENT_IGNORE_DURATION) {
eventType = POWER_MANAGER_TOUCH_EVENT;
} else {
eventType = POWER_MANAGER_LONG_TOUCH_EVENT;
}
break;
}
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
}
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
CommandEntry* commandEntry = postCommandLocked(
& InputDispatcher::doPokeUserActivityLockedInterruptible);
Fix bug where home presses were not poking user activity. We now poke user activity twice: once upon dequeueing an event for dispatch and then again just before we dispatch it. The second poke is to compensate for the fact that it can take a few seconds to identify the dispatch target (if the application is responding slowly) but we want to keep the display from going to sleep for X amount of time after the app gets a chance to actually receive the event. This mirrors pre-Gingerbread behavior. Removed some unnecessary code that filters user activity pokes when sending events to KeyGuard. We don't need this because KeyGuard already tells the power manager to disable user activity. Bug: 3101397 Change-Id: I8c3a77601fdef8f584e84cfdd11aa79da0ff51db
2010-10-18 20:21:23 +00:00
commandEntry->eventTime = eventEntry->eventTime;
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
commandEntry->userActivityEventType = eventType;
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
}
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
void InputDispatcher::prepareDispatchCycleLocked(nsecs_t currentTime,
const sp<Connection>& connection, EventEntry* eventEntry, const InputTarget* inputTarget,
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
bool resumeWithAppendedMotionSample) {
#if DEBUG_DISPATCH_CYCLE
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
LOGD("channel '%s' ~ prepareDispatchCycle - flags=%d, "
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
"xOffset=%f, yOffset=%f, "
"windowType=%d, pointerIds=0x%x, "
"resumeWithAppendedMotionSample=%s",
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
connection->getInputChannelName(), inputTarget->flags,
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
inputTarget->xOffset, inputTarget->yOffset,
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
inputTarget->windowType, inputTarget->pointerIds.value,
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
toString(resumeWithAppendedMotionSample));
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
#endif
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
// Make sure we are never called for streaming when splitting across multiple windows.
bool isSplit = inputTarget->flags & InputTarget::FLAG_SPLIT;
assert(! (resumeWithAppendedMotionSample && isSplit));
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
// Skip this event if the connection status is not normal.
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
// We don't want to enqueue additional outbound events if the connection is broken.
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
if (connection->status != Connection::STATUS_NORMAL) {
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
#if DEBUG_DISPATCH_CYCLE
LOGD("channel '%s' ~ Dropping event because the channel status is %s",
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
connection->getInputChannelName(), connection->getStatusLabel());
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
#endif
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
return;
}
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
// Split a motion event if needed.
if (isSplit) {
assert(eventEntry->type == EventEntry::TYPE_MOTION);
MotionEntry* originalMotionEntry = static_cast<MotionEntry*>(eventEntry);
if (inputTarget->pointerIds.count() != originalMotionEntry->pointerCount) {
MotionEntry* splitMotionEntry = splitMotionEvent(
originalMotionEntry, inputTarget->pointerIds);
#if DEBUG_FOCUS
LOGD("channel '%s' ~ Split motion event.",
connection->getInputChannelName());
logOutboundMotionDetailsLocked(" ", splitMotionEntry);
#endif
eventEntry = splitMotionEntry;
}
}
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
// Resume the dispatch cycle with a freshly appended motion sample.
// First we check that the last dispatch entry in the outbound queue is for the same
// motion event to which we appended the motion sample. If we find such a dispatch
// entry, and if it is currently in progress then we try to stream the new sample.
bool wasEmpty = connection->outboundQueue.isEmpty();
if (! wasEmpty && resumeWithAppendedMotionSample) {
DispatchEntry* motionEventDispatchEntry =
connection->findQueuedDispatchEntryForEvent(eventEntry);
if (motionEventDispatchEntry) {
// If the dispatch entry is not in progress, then we must be busy dispatching an
// earlier event. Not a problem, the motion event is on the outbound queue and will
// be dispatched later.
if (! motionEventDispatchEntry->inProgress) {
#if DEBUG_BATCHING
LOGD("channel '%s' ~ Not streaming because the motion event has "
"not yet been dispatched. "
"(Waiting for earlier events to be consumed.)",
connection->getInputChannelName());
#endif
return;
}
// If the dispatch entry is in progress but it already has a tail of pending
// motion samples, then it must mean that the shared memory buffer filled up.
// Not a problem, when this dispatch cycle is finished, we will eventually start
// a new dispatch cycle to process the tail and that tail includes the newly
// appended motion sample.
if (motionEventDispatchEntry->tailMotionSample) {
#if DEBUG_BATCHING
LOGD("channel '%s' ~ Not streaming because no new samples can "
"be appended to the motion event in this dispatch cycle. "
"(Waiting for next dispatch cycle to start.)",
connection->getInputChannelName());
#endif
return;
}
// The dispatch entry is in progress and is still potentially open for streaming.
// Try to stream the new motion sample. This might fail if the consumer has already
// consumed the motion event (or if the channel is broken).
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
MotionEntry* motionEntry = static_cast<MotionEntry*>(eventEntry);
MotionSample* appendedMotionSample = motionEntry->lastSample;
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
status_t status = connection->inputPublisher.appendMotionSample(
appendedMotionSample->eventTime, appendedMotionSample->pointerCoords);
if (status == OK) {
#if DEBUG_BATCHING
LOGD("channel '%s' ~ Successfully streamed new motion sample.",
connection->getInputChannelName());
#endif
return;
}
#if DEBUG_BATCHING
if (status == NO_MEMORY) {
LOGD("channel '%s' ~ Could not append motion sample to currently "
"dispatched move event because the shared memory buffer is full. "
"(Waiting for next dispatch cycle to start.)",
connection->getInputChannelName());
} else if (status == status_t(FAILED_TRANSACTION)) {
LOGD("channel '%s' ~ Could not append motion sample to currently "
Native input event dispatching. Target identification is now fully native. Fixed a couple of minor issues related to input injection. Native input enabled by default, can be disabled by setting WindowManagerPolicy.ENABLE_NATIVE_INPUT_DISPATCH to false. Change-Id: I7edf66ed3e987cc9306ad4743ac57a116af452ff
2010-06-22 08:27:15 +00:00
"dispatched move event because the event has already been consumed. "
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
"(Waiting for next dispatch cycle to start.)",
connection->getInputChannelName());
} else {
LOGD("channel '%s' ~ Could not append motion sample to currently "
"dispatched move event due to an error, status=%d. "
"(Waiting for next dispatch cycle to start.)",
connection->getInputChannelName(), status);
}
#endif
// Failed to stream. Start a new tail of pending motion samples to dispatch
// in the next cycle.
motionEventDispatchEntry->tailMotionSample = appendedMotionSample;
return;
}
}
// This is a new event.
// Enqueue a new dispatch entry onto the outbound queue for this connection.
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
DispatchEntry* dispatchEntry = mAllocator.obtainDispatchEntry(eventEntry, // increments ref
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
inputTarget->flags, inputTarget->xOffset, inputTarget->yOffset);
if (dispatchEntry->hasForegroundTarget()) {
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
incrementPendingForegroundDispatchesLocked(eventEntry);
DO NOT MERGE: Fix input event injection ANRs on UI thread. Added a new asynchronous injection mode and made the existing synchronization mechanism more robust. Change-Id: Ia4aa04fd9b75ea2461a844c5b7933c831c1027e6
2010-07-28 22:48:59 +00:00
}
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
// Handle the case where we could not stream a new motion sample because the consumer has
// already consumed the motion event (otherwise the corresponding dispatch entry would
// still be in the outbound queue for this connection). We set the head motion sample
// to the list starting with the newly appended motion sample.
if (resumeWithAppendedMotionSample) {
#if DEBUG_BATCHING
LOGD("channel '%s' ~ Preparing a new dispatch cycle for additional motion samples "
"that cannot be streamed because the motion event has already been consumed.",
connection->getInputChannelName());
#endif
MotionSample* appendedMotionSample = static_cast<MotionEntry*>(eventEntry)->lastSample;
dispatchEntry->headMotionSample = appendedMotionSample;
}
// Enqueue the dispatch entry.
connection->outboundQueue.enqueueAtTail(dispatchEntry);
// If the outbound queue was previously empty, start the dispatch cycle going.
if (wasEmpty) {
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
activateConnectionLocked(connection.get());
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
startDispatchCycleLocked(currentTime, connection);
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
}
}
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
void InputDispatcher::startDispatchCycleLocked(nsecs_t currentTime,
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
const sp<Connection>& connection) {
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
#if DEBUG_DISPATCH_CYCLE
LOGD("channel '%s' ~ startDispatchCycle",
connection->getInputChannelName());
#endif
assert(connection->status == Connection::STATUS_NORMAL);
assert(! connection->outboundQueue.isEmpty());
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
DispatchEntry* dispatchEntry = connection->outboundQueue.headSentinel.next;
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
assert(! dispatchEntry->inProgress);
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
// Mark the dispatch entry as in progress.
dispatchEntry->inProgress = true;
// Update the connection's input state.
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
EventEntry* eventEntry = dispatchEntry->eventEntry;
InputState::Consistency consistency = connection->inputState.trackEvent(eventEntry);
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
#if FILTER_INPUT_EVENTS
// Filter out inconsistent sequences of input events.
// The input system may drop or inject events in a way that could violate implicit
// invariants on input state and potentially cause an application to crash
// or think that a key or pointer is stuck down. Technically we make no guarantees
// of consistency but it would be nice to improve on this where possible.
// XXX: This code is a proof of concept only. Not ready for prime time.
if (consistency == InputState::TOLERABLE) {
#if DEBUG_DISPATCH_CYCLE
LOGD("channel '%s' ~ Sending an event that is inconsistent with the connection's "
"current input state but that is likely to be tolerated by the application.",
connection->getInputChannelName());
#endif
} else if (consistency == InputState::BROKEN) {
LOGI("channel '%s' ~ Dropping an event that is inconsistent with the connection's "
"current input state and that is likely to cause the application to crash.",
connection->getInputChannelName());
startNextDispatchCycleLocked(currentTime, connection);
return;
}
#endif
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
// Publish the event.
status_t status;
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
switch (eventEntry->type) {
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
case EventEntry::TYPE_KEY: {
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
KeyEntry* keyEntry = static_cast<KeyEntry*>(eventEntry);
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
// Apply target flags.
int32_t action = keyEntry->action;
int32_t flags = keyEntry->flags;
// Publish the key event.
Add support for new input sources. Added several new coordinate values to MotionEvents to capture touch major/minor area, tool major/minor area and orientation. Renamed NDK input constants per convention. Added InputDevice class in Java which will eventually provide useful information about available input devices. Added APIs for manufacturing new MotionEvent objects with multiple pointers and all necessary coordinate data. Fixed a bug in the input dispatcher where it could get stuck with a pointer down forever. Fixed a bug in the WindowManager where the input window list could end up containing stale removed windows. Fixed a bug in the WindowManager where the input channel was being removed only after the final animation transition had taken place which caused spurious WINDOW DIED log messages to be printed. Change-Id: Ie55084da319b20aad29b28a0499b8dd98bb5da68
2010-07-15 01:48:53 +00:00
status = connection->inputPublisher.publishKeyEvent(keyEntry->deviceId, keyEntry->source,
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
action, flags, keyEntry->keyCode, keyEntry->scanCode,
keyEntry->metaState, keyEntry->repeatCount, keyEntry->downTime,
keyEntry->eventTime);
if (status) {
LOGE("channel '%s' ~ Could not publish key event, "
"status=%d", connection->getInputChannelName(), status);
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
abortBrokenDispatchCycleLocked(currentTime, connection);
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
return;
}
break;
}
case EventEntry::TYPE_MOTION: {
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
MotionEntry* motionEntry = static_cast<MotionEntry*>(eventEntry);
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
// Apply target flags.
int32_t action = motionEntry->action;
Add support for secure views. Added the MotionEvent.FLAG_WINDOW_IS_OBSCURED flag which is set by the input manager whenever another visible window is partly or wholly obscured the target of a touch event so that applications can filter touches accordingly. Added a "filterTouchesWhenObscured" attribute to View which can be used to enable filtering of touches when the view's window is obscured. Change-Id: I936d9c85013fd2d77fb296a600528d30a29027d2
2010-09-02 00:01:00 +00:00
int32_t flags = motionEntry->flags;
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
if (dispatchEntry->targetFlags & InputTarget::FLAG_OUTSIDE) {
Add support for new input sources. Added several new coordinate values to MotionEvents to capture touch major/minor area, tool major/minor area and orientation. Renamed NDK input constants per convention. Added InputDevice class in Java which will eventually provide useful information about available input devices. Added APIs for manufacturing new MotionEvent objects with multiple pointers and all necessary coordinate data. Fixed a bug in the input dispatcher where it could get stuck with a pointer down forever. Fixed a bug in the WindowManager where the input window list could end up containing stale removed windows. Fixed a bug in the WindowManager where the input channel was being removed only after the final animation transition had taken place which caused spurious WINDOW DIED log messages to be printed. Change-Id: Ie55084da319b20aad29b28a0499b8dd98bb5da68
2010-07-15 01:48:53 +00:00
action = AMOTION_EVENT_ACTION_OUTSIDE;
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
}
Add support for secure views. Added the MotionEvent.FLAG_WINDOW_IS_OBSCURED flag which is set by the input manager whenever another visible window is partly or wholly obscured the target of a touch event so that applications can filter touches accordingly. Added a "filterTouchesWhenObscured" attribute to View which can be used to enable filtering of touches when the view's window is obscured. Change-Id: I936d9c85013fd2d77fb296a600528d30a29027d2
2010-09-02 00:01:00 +00:00
if (dispatchEntry->targetFlags & InputTarget::FLAG_WINDOW_IS_OBSCURED) {
flags |= AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED;
}
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
// If headMotionSample is non-NULL, then it points to the first new sample that we
// were unable to dispatch during the previous cycle so we resume dispatching from
// that point in the list of motion samples.
// Otherwise, we just start from the first sample of the motion event.
MotionSample* firstMotionSample = dispatchEntry->headMotionSample;
if (! firstMotionSample) {
firstMotionSample = & motionEntry->firstSample;
}
Fix trackball down and movement bugs. Bug: 2823788 Change-Id: Icb0c392b58f7e735614460b5eb87439cb73ac4f2
2010-07-17 00:21:06 +00:00
// Set the X and Y offset depending on the input source.
float xOffset, yOffset;
if (motionEntry->source & AINPUT_SOURCE_CLASS_POINTER) {
xOffset = dispatchEntry->xOffset;
yOffset = dispatchEntry->yOffset;
} else {
xOffset = 0.0f;
yOffset = 0.0f;
}
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
// Publish the motion event and the first motion sample.
status = connection->inputPublisher.publishMotionEvent(motionEntry->deviceId,
Add support for secure views. Added the MotionEvent.FLAG_WINDOW_IS_OBSCURED flag which is set by the input manager whenever another visible window is partly or wholly obscured the target of a touch event so that applications can filter touches accordingly. Added a "filterTouchesWhenObscured" attribute to View which can be used to enable filtering of touches when the view's window is obscured. Change-Id: I936d9c85013fd2d77fb296a600528d30a29027d2
2010-09-02 00:01:00 +00:00
motionEntry->source, action, flags, motionEntry->edgeFlags, motionEntry->metaState,
Fix trackball down and movement bugs. Bug: 2823788 Change-Id: Icb0c392b58f7e735614460b5eb87439cb73ac4f2
2010-07-17 00:21:06 +00:00
xOffset, yOffset,
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
motionEntry->xPrecision, motionEntry->yPrecision,
motionEntry->downTime, firstMotionSample->eventTime,
motionEntry->pointerCount, motionEntry->pointerIds,
firstMotionSample->pointerCoords);
if (status) {
LOGE("channel '%s' ~ Could not publish motion event, "
"status=%d", connection->getInputChannelName(), status);
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
abortBrokenDispatchCycleLocked(currentTime, connection);
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
return;
}
// Append additional motion samples.
MotionSample* nextMotionSample = firstMotionSample->next;
for (; nextMotionSample != NULL; nextMotionSample = nextMotionSample->next) {
status = connection->inputPublisher.appendMotionSample(
nextMotionSample->eventTime, nextMotionSample->pointerCoords);
if (status == NO_MEMORY) {
#if DEBUG_DISPATCH_CYCLE
LOGD("channel '%s' ~ Shared memory buffer full. Some motion samples will "
"be sent in the next dispatch cycle.",
connection->getInputChannelName());
#endif
break;
}
if (status != OK) {
LOGE("channel '%s' ~ Could not append motion sample "
"for a reason other than out of memory, status=%d",
connection->getInputChannelName(), status);
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
abortBrokenDispatchCycleLocked(currentTime, connection);
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
return;
}
}
// Remember the next motion sample that we could not dispatch, in case we ran out
// of space in the shared memory buffer.
dispatchEntry->tailMotionSample = nextMotionSample;
break;
}
default: {
assert(false);
}
}
// Send the dispatch signal.
status = connection->inputPublisher.sendDispatchSignal();
if (status) {
LOGE("channel '%s' ~ Could not send dispatch signal, status=%d",
connection->getInputChannelName(), status);
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
abortBrokenDispatchCycleLocked(currentTime, connection);
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
return;
}
// Record information about the newly started dispatch cycle.
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
connection->lastEventTime = eventEntry->eventTime;
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
connection->lastDispatchTime = currentTime;
// Notify other system components.
onDispatchCycleStartedLocked(currentTime, connection);
}
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
void InputDispatcher::finishDispatchCycleLocked(nsecs_t currentTime,
const sp<Connection>& connection) {
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
#if DEBUG_DISPATCH_CYCLE
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
LOGD("channel '%s' ~ finishDispatchCycle - %01.1fms since event, "
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
"%01.1fms since dispatch",
connection->getInputChannelName(),
connection->getEventLatencyMillis(currentTime),
connection->getDispatchLatencyMillis(currentTime));
#endif
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
if (connection->status == Connection::STATUS_BROKEN
|| connection->status == Connection::STATUS_ZOMBIE) {
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
return;
}
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
// Notify other system components.
onDispatchCycleFinishedLocked(currentTime, connection);
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
// Reset the publisher since the event has been consumed.
// We do this now so that the publisher can release some of its internal resources
// while waiting for the next dispatch cycle to begin.
status_t status = connection->inputPublisher.reset();
if (status) {
LOGE("channel '%s' ~ Could not reset publisher, status=%d",
connection->getInputChannelName(), status);
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
abortBrokenDispatchCycleLocked(currentTime, connection);
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
return;
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
startNextDispatchCycleLocked(currentTime, connection);
}
void InputDispatcher::startNextDispatchCycleLocked(nsecs_t currentTime,
const sp<Connection>& connection) {
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
// Start the next dispatch cycle for this connection.
while (! connection->outboundQueue.isEmpty()) {
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
DispatchEntry* dispatchEntry = connection->outboundQueue.headSentinel.next;
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
if (dispatchEntry->inProgress) {
// Finish or resume current event in progress.
if (dispatchEntry->tailMotionSample) {
// We have a tail of undispatched motion samples.
// Reuse the same DispatchEntry and start a new cycle.
dispatchEntry->inProgress = false;
dispatchEntry->headMotionSample = dispatchEntry->tailMotionSample;
dispatchEntry->tailMotionSample = NULL;
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
startDispatchCycleLocked(currentTime, connection);
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
return;
}
// Finished.
connection->outboundQueue.dequeueAtHead();
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
if (dispatchEntry->hasForegroundTarget()) {
decrementPendingForegroundDispatchesLocked(dispatchEntry->eventEntry);
DO NOT MERGE: Fix input event injection ANRs on UI thread. Added a new asynchronous injection mode and made the existing synchronization mechanism more robust. Change-Id: Ia4aa04fd9b75ea2461a844c5b7933c831c1027e6
2010-07-28 22:48:59 +00:00
}
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
mAllocator.releaseDispatchEntry(dispatchEntry);
} else {
// If the head is not in progress, then we must have already dequeued the in
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
// progress event, which means we actually aborted it.
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
// So just start the next event for this connection.
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
startDispatchCycleLocked(currentTime, connection);
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
return;
}
}
// Outbound queue is empty, deactivate the connection.
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
deactivateConnectionLocked(connection.get());
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
}
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
void InputDispatcher::abortBrokenDispatchCycleLocked(nsecs_t currentTime,
const sp<Connection>& connection) {
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
#if DEBUG_DISPATCH_CYCLE
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
LOGD("channel '%s' ~ abortBrokenDispatchCycle - broken=%s",
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
connection->getInputChannelName(), toString(broken));
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
#endif
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
// Clear the outbound queue.
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
drainOutboundQueueLocked(connection.get());
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
// The connection appears to be unrecoverably broken.
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
// Ignore already broken or zombie connections.
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
if (connection->status == Connection::STATUS_NORMAL) {
connection->status = Connection::STATUS_BROKEN;
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
// Notify other system components.
onDispatchCycleBrokenLocked(currentTime, connection);
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
}
}
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
void InputDispatcher::drainOutboundQueueLocked(Connection* connection) {
while (! connection->outboundQueue.isEmpty()) {
DispatchEntry* dispatchEntry = connection->outboundQueue.dequeueAtHead();
if (dispatchEntry->hasForegroundTarget()) {
decrementPendingForegroundDispatchesLocked(dispatchEntry->eventEntry);
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
mAllocator.releaseDispatchEntry(dispatchEntry);
}
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
deactivateConnectionLocked(connection);
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
Replace epoll() with poll() and rename PollLoop to Looper. As part of this change, consolidated and cleaned up the Looper API so that there are fewer distinctions between the NDK and non-NDK declarations (no need for two callback types, etc.). Removed the dependence on specific constants from sys/poll.h such as POLLIN. Instead looper.h defines events like LOOPER_EVENT_INPUT for the events that it supports. That should help make any future under-the-hood implementation changes easier. Fixed a couple of compiler warnings along the way. Change-Id: I449a7ec780bf061bdd325452f823673e2b39b6ae
2010-09-14 06:17:30 +00:00
int InputDispatcher::handleReceiveCallback(int receiveFd, int events, void* data) {
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
InputDispatcher* d = static_cast<InputDispatcher*>(data);
{ // acquire lock
AutoMutex _l(d->mLock);
ssize_t connectionIndex = d->mConnectionsByReceiveFd.indexOfKey(receiveFd);
if (connectionIndex < 0) {
LOGE("Received spurious receive callback for unknown input channel. "
"fd=%d, events=0x%x", receiveFd, events);
Replace epoll() with poll() and rename PollLoop to Looper. As part of this change, consolidated and cleaned up the Looper API so that there are fewer distinctions between the NDK and non-NDK declarations (no need for two callback types, etc.). Removed the dependence on specific constants from sys/poll.h such as POLLIN. Instead looper.h defines events like LOOPER_EVENT_INPUT for the events that it supports. That should help make any future under-the-hood implementation changes easier. Fixed a couple of compiler warnings along the way. Change-Id: I449a7ec780bf061bdd325452f823673e2b39b6ae
2010-09-14 06:17:30 +00:00
return 0; // remove the callback
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
}
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
nsecs_t currentTime = now();
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
sp<Connection> connection = d->mConnectionsByReceiveFd.valueAt(connectionIndex);
Replace epoll() with poll() and rename PollLoop to Looper. As part of this change, consolidated and cleaned up the Looper API so that there are fewer distinctions between the NDK and non-NDK declarations (no need for two callback types, etc.). Removed the dependence on specific constants from sys/poll.h such as POLLIN. Instead looper.h defines events like LOOPER_EVENT_INPUT for the events that it supports. That should help make any future under-the-hood implementation changes easier. Fixed a couple of compiler warnings along the way. Change-Id: I449a7ec780bf061bdd325452f823673e2b39b6ae
2010-09-14 06:17:30 +00:00
if (events & (ALOOPER_EVENT_ERROR | ALOOPER_EVENT_HANGUP)) {
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
LOGE("channel '%s' ~ Consumer closed input channel or an error occurred. "
"events=0x%x", connection->getInputChannelName(), events);
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
d->abortBrokenDispatchCycleLocked(currentTime, connection);
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
d->runCommandsLockedInterruptible();
Replace epoll() with poll() and rename PollLoop to Looper. As part of this change, consolidated and cleaned up the Looper API so that there are fewer distinctions between the NDK and non-NDK declarations (no need for two callback types, etc.). Removed the dependence on specific constants from sys/poll.h such as POLLIN. Instead looper.h defines events like LOOPER_EVENT_INPUT for the events that it supports. That should help make any future under-the-hood implementation changes easier. Fixed a couple of compiler warnings along the way. Change-Id: I449a7ec780bf061bdd325452f823673e2b39b6ae
2010-09-14 06:17:30 +00:00
return 0; // remove the callback
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
}
Replace epoll() with poll() and rename PollLoop to Looper. As part of this change, consolidated and cleaned up the Looper API so that there are fewer distinctions between the NDK and non-NDK declarations (no need for two callback types, etc.). Removed the dependence on specific constants from sys/poll.h such as POLLIN. Instead looper.h defines events like LOOPER_EVENT_INPUT for the events that it supports. That should help make any future under-the-hood implementation changes easier. Fixed a couple of compiler warnings along the way. Change-Id: I449a7ec780bf061bdd325452f823673e2b39b6ae
2010-09-14 06:17:30 +00:00
if (! (events & ALOOPER_EVENT_INPUT)) {
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
LOGW("channel '%s' ~ Received spurious callback for unhandled poll event. "
"events=0x%x", connection->getInputChannelName(), events);
Replace epoll() with poll() and rename PollLoop to Looper. As part of this change, consolidated and cleaned up the Looper API so that there are fewer distinctions between the NDK and non-NDK declarations (no need for two callback types, etc.). Removed the dependence on specific constants from sys/poll.h such as POLLIN. Instead looper.h defines events like LOOPER_EVENT_INPUT for the events that it supports. That should help make any future under-the-hood implementation changes easier. Fixed a couple of compiler warnings along the way. Change-Id: I449a7ec780bf061bdd325452f823673e2b39b6ae
2010-09-14 06:17:30 +00:00
return 1;
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
}
status_t status = connection->inputPublisher.receiveFinishedSignal();
if (status) {
LOGE("channel '%s' ~ Failed to receive finished signal. status=%d",
connection->getInputChannelName(), status);
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
d->abortBrokenDispatchCycleLocked(currentTime, connection);
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
d->runCommandsLockedInterruptible();
Replace epoll() with poll() and rename PollLoop to Looper. As part of this change, consolidated and cleaned up the Looper API so that there are fewer distinctions between the NDK and non-NDK declarations (no need for two callback types, etc.). Removed the dependence on specific constants from sys/poll.h such as POLLIN. Instead looper.h defines events like LOOPER_EVENT_INPUT for the events that it supports. That should help make any future under-the-hood implementation changes easier. Fixed a couple of compiler warnings along the way. Change-Id: I449a7ec780bf061bdd325452f823673e2b39b6ae
2010-09-14 06:17:30 +00:00
return 0; // remove the callback
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
}
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
d->finishDispatchCycleLocked(currentTime, connection);
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
d->runCommandsLockedInterruptible();
Replace epoll() with poll() and rename PollLoop to Looper. As part of this change, consolidated and cleaned up the Looper API so that there are fewer distinctions between the NDK and non-NDK declarations (no need for two callback types, etc.). Removed the dependence on specific constants from sys/poll.h such as POLLIN. Instead looper.h defines events like LOOPER_EVENT_INPUT for the events that it supports. That should help make any future under-the-hood implementation changes easier. Fixed a couple of compiler warnings along the way. Change-Id: I449a7ec780bf061bdd325452f823673e2b39b6ae
2010-09-14 06:17:30 +00:00
return 1;
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
} // release lock
}
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
void InputDispatcher::synthesizeCancelationEventsForAllConnectionsLocked(
InputState::CancelationOptions options, const char* reason) {
for (size_t i = 0; i < mConnectionsByReceiveFd.size(); i++) {
synthesizeCancelationEventsForConnectionLocked(
mConnectionsByReceiveFd.valueAt(i), options, reason);
}
}
void InputDispatcher::synthesizeCancelationEventsForInputChannelLocked(
const sp<InputChannel>& channel, InputState::CancelationOptions options,
const char* reason) {
ssize_t index = getConnectionIndexLocked(channel);
if (index >= 0) {
synthesizeCancelationEventsForConnectionLocked(
mConnectionsByReceiveFd.valueAt(index), options, reason);
}
}
void InputDispatcher::synthesizeCancelationEventsForConnectionLocked(
const sp<Connection>& connection, InputState::CancelationOptions options,
const char* reason) {
nsecs_t currentTime = now();
mTempCancelationEvents.clear();
connection->inputState.synthesizeCancelationEvents(currentTime, & mAllocator,
mTempCancelationEvents, options);
if (! mTempCancelationEvents.isEmpty()
&& connection->status != Connection::STATUS_BROKEN) {
#if DEBUG_OUTBOUND_EVENT_DETAILS
LOGD("channel '%s' ~ Synthesized %d cancelation events to bring channel back in sync "
"with reality: %s, options=%d.",
connection->getInputChannelName(), mTempCancelationEvents.size(), reason, options);
#endif
for (size_t i = 0; i < mTempCancelationEvents.size(); i++) {
EventEntry* cancelationEventEntry = mTempCancelationEvents.itemAt(i);
switch (cancelationEventEntry->type) {
case EventEntry::TYPE_KEY:
logOutboundKeyDetailsLocked("cancel - ",
static_cast<KeyEntry*>(cancelationEventEntry));
break;
case EventEntry::TYPE_MOTION:
logOutboundMotionDetailsLocked("cancel - ",
static_cast<MotionEntry*>(cancelationEventEntry));
break;
}
int32_t xOffset, yOffset;
const InputWindow* window = getWindowLocked(connection->inputChannel);
if (window) {
xOffset = -window->frameLeft;
yOffset = -window->frameTop;
} else {
xOffset = 0;
yOffset = 0;
}
DispatchEntry* cancelationDispatchEntry =
mAllocator.obtainDispatchEntry(cancelationEventEntry, // increments ref
0, xOffset, yOffset);
connection->outboundQueue.enqueueAtTail(cancelationDispatchEntry);
mAllocator.releaseEventEntry(cancelationEventEntry);
}
if (!connection->outboundQueue.headSentinel.next->inProgress) {
startDispatchCycleLocked(currentTime, connection);
}
}
}
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
InputDispatcher::MotionEntry*
InputDispatcher::splitMotionEvent(const MotionEntry* originalMotionEntry, BitSet32 pointerIds) {
assert(pointerIds.value != 0);
uint32_t splitPointerIndexMap[MAX_POINTERS];
int32_t splitPointerIds[MAX_POINTERS];
PointerCoords splitPointerCoords[MAX_POINTERS];
uint32_t originalPointerCount = originalMotionEntry->pointerCount;
uint32_t splitPointerCount = 0;
for (uint32_t originalPointerIndex = 0; originalPointerIndex < originalPointerCount;
originalPointerIndex++) {
int32_t pointerId = uint32_t(originalMotionEntry->pointerIds[originalPointerIndex]);
if (pointerIds.hasBit(pointerId)) {
splitPointerIndexMap[splitPointerCount] = originalPointerIndex;
splitPointerIds[splitPointerCount] = pointerId;
splitPointerCoords[splitPointerCount] =
originalMotionEntry->firstSample.pointerCoords[originalPointerIndex];
splitPointerCount += 1;
}
}
assert(splitPointerCount == pointerIds.count());
int32_t action = originalMotionEntry->action;
int32_t maskedAction = action & AMOTION_EVENT_ACTION_MASK;
if (maskedAction == AMOTION_EVENT_ACTION_POINTER_DOWN
|| maskedAction == AMOTION_EVENT_ACTION_POINTER_UP) {
int32_t originalPointerIndex = getMotionEventActionPointerIndex(action);
int32_t pointerId = originalMotionEntry->pointerIds[originalPointerIndex];
if (pointerIds.hasBit(pointerId)) {
if (pointerIds.count() == 1) {
// The first/last pointer went down/up.
action = maskedAction == AMOTION_EVENT_ACTION_POINTER_DOWN
? AMOTION_EVENT_ACTION_DOWN : AMOTION_EVENT_ACTION_UP;
Fix pointer index when splitting secondary pointers. Change-Id: Ib01e810ea5b64501b1303000bbef0f0a1db2114e
2010-09-27 23:35:11 +00:00
} else {
// A secondary pointer went down/up.
uint32_t splitPointerIndex = 0;
while (pointerId != splitPointerIds[splitPointerIndex]) {
splitPointerIndex += 1;
}
action = maskedAction | (splitPointerIndex
<< AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT);
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
}
} else {
// An unrelated pointer changed.
action = AMOTION_EVENT_ACTION_MOVE;
}
}
MotionEntry* splitMotionEntry = mAllocator.obtainMotionEntry(
originalMotionEntry->eventTime,
originalMotionEntry->deviceId,
originalMotionEntry->source,
originalMotionEntry->policyFlags,
action,
originalMotionEntry->flags,
originalMotionEntry->metaState,
originalMotionEntry->edgeFlags,
originalMotionEntry->xPrecision,
originalMotionEntry->yPrecision,
originalMotionEntry->downTime,
splitPointerCount, splitPointerIds, splitPointerCoords);
for (MotionSample* originalMotionSample = originalMotionEntry->firstSample.next;
originalMotionSample != NULL; originalMotionSample = originalMotionSample->next) {
for (uint32_t splitPointerIndex = 0; splitPointerIndex < splitPointerCount;
splitPointerIndex++) {
uint32_t originalPointerIndex = splitPointerIndexMap[splitPointerIndex];
splitPointerCoords[splitPointerIndex] =
originalMotionSample->pointerCoords[originalPointerIndex];
}
mAllocator.appendMotionSample(splitMotionEntry, originalMotionSample->eventTime,
splitPointerCoords);
}
return splitMotionEntry;
}
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
void InputDispatcher::notifyConfigurationChanged(nsecs_t eventTime) {
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
#if DEBUG_INBOUND_EVENT_DETAILS
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
LOGD("notifyConfigurationChanged - eventTime=%lld", eventTime);
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
#endif
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
bool needWake;
{ // acquire lock
AutoMutex _l(mLock);
ConfigurationChangedEntry* newEntry = mAllocator.obtainConfigurationChangedEntry(eventTime);
needWake = enqueueInboundEventLocked(newEntry);
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
} // release lock
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
if (needWake) {
Replace epoll() with poll() and rename PollLoop to Looper. As part of this change, consolidated and cleaned up the Looper API so that there are fewer distinctions between the NDK and non-NDK declarations (no need for two callback types, etc.). Removed the dependence on specific constants from sys/poll.h such as POLLIN. Instead looper.h defines events like LOOPER_EVENT_INPUT for the events that it supports. That should help make any future under-the-hood implementation changes easier. Fixed a couple of compiler warnings along the way. Change-Id: I449a7ec780bf061bdd325452f823673e2b39b6ae
2010-09-14 06:17:30 +00:00
mLooper->wake();
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
}
Add support for new input sources. Added several new coordinate values to MotionEvents to capture touch major/minor area, tool major/minor area and orientation. Renamed NDK input constants per convention. Added InputDevice class in Java which will eventually provide useful information about available input devices. Added APIs for manufacturing new MotionEvent objects with multiple pointers and all necessary coordinate data. Fixed a bug in the input dispatcher where it could get stuck with a pointer down forever. Fixed a bug in the WindowManager where the input window list could end up containing stale removed windows. Fixed a bug in the WindowManager where the input channel was being removed only after the final animation transition had taken place which caused spurious WINDOW DIED log messages to be printed. Change-Id: Ie55084da319b20aad29b28a0499b8dd98bb5da68
2010-07-15 01:48:53 +00:00
void InputDispatcher::notifyKey(nsecs_t eventTime, int32_t deviceId, int32_t source,
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
uint32_t policyFlags, int32_t action, int32_t flags,
int32_t keyCode, int32_t scanCode, int32_t metaState, nsecs_t downTime) {
#if DEBUG_INBOUND_EVENT_DETAILS
Add support for new input sources. Added several new coordinate values to MotionEvents to capture touch major/minor area, tool major/minor area and orientation. Renamed NDK input constants per convention. Added InputDevice class in Java which will eventually provide useful information about available input devices. Added APIs for manufacturing new MotionEvent objects with multiple pointers and all necessary coordinate data. Fixed a bug in the input dispatcher where it could get stuck with a pointer down forever. Fixed a bug in the WindowManager where the input window list could end up containing stale removed windows. Fixed a bug in the WindowManager where the input channel was being removed only after the final animation transition had taken place which caused spurious WINDOW DIED log messages to be printed. Change-Id: Ie55084da319b20aad29b28a0499b8dd98bb5da68
2010-07-15 01:48:53 +00:00
LOGD("notifyKey - eventTime=%lld, deviceId=0x%x, source=0x%x, policyFlags=0x%x, action=0x%x, "
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
"flags=0x%x, keyCode=0x%x, scanCode=0x%x, metaState=0x%x, downTime=%lld",
Add support for new input sources. Added several new coordinate values to MotionEvents to capture touch major/minor area, tool major/minor area and orientation. Renamed NDK input constants per convention. Added InputDevice class in Java which will eventually provide useful information about available input devices. Added APIs for manufacturing new MotionEvent objects with multiple pointers and all necessary coordinate data. Fixed a bug in the input dispatcher where it could get stuck with a pointer down forever. Fixed a bug in the WindowManager where the input window list could end up containing stale removed windows. Fixed a bug in the WindowManager where the input channel was being removed only after the final animation transition had taken place which caused spurious WINDOW DIED log messages to be printed. Change-Id: Ie55084da319b20aad29b28a0499b8dd98bb5da68
2010-07-15 01:48:53 +00:00
eventTime, deviceId, source, policyFlags, action, flags,
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
keyCode, scanCode, metaState, downTime);
#endif
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
if (! validateKeyEvent(action)) {
return;
}
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
Fix an event injection bug when the policy is bypassed. Added the concept of a "trusted" event to distinguish between events from attached input devices or trusted injectors vs. other applications. This change enables us to move certain policy decisions out of the dispatcher and into the policy itself where they can be handled more systematically. Change-Id: I4d56fdcdd31aaa675d452088af39a70c4e039970
2010-10-11 21:20:19 +00:00
policyFlags |= POLICY_FLAG_TRUSTED;
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
mPolicy->interceptKeyBeforeQueueing(eventTime, deviceId, action, /*byref*/ flags,
keyCode, scanCode, /*byref*/ policyFlags);
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
bool needWake;
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
{ // acquire lock
AutoMutex _l(mLock);
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
int32_t repeatCount = 0;
KeyEntry* newEntry = mAllocator.obtainKeyEntry(eventTime,
Add support for new input sources. Added several new coordinate values to MotionEvents to capture touch major/minor area, tool major/minor area and orientation. Renamed NDK input constants per convention. Added InputDevice class in Java which will eventually provide useful information about available input devices. Added APIs for manufacturing new MotionEvent objects with multiple pointers and all necessary coordinate data. Fixed a bug in the input dispatcher where it could get stuck with a pointer down forever. Fixed a bug in the WindowManager where the input window list could end up containing stale removed windows. Fixed a bug in the WindowManager where the input channel was being removed only after the final animation transition had taken place which caused spurious WINDOW DIED log messages to be printed. Change-Id: Ie55084da319b20aad29b28a0499b8dd98bb5da68
2010-07-15 01:48:53 +00:00
deviceId, source, policyFlags, action, flags, keyCode, scanCode,
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
metaState, repeatCount, downTime);
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
needWake = enqueueInboundEventLocked(newEntry);
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
} // release lock
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
if (needWake) {
Replace epoll() with poll() and rename PollLoop to Looper. As part of this change, consolidated and cleaned up the Looper API so that there are fewer distinctions between the NDK and non-NDK declarations (no need for two callback types, etc.). Removed the dependence on specific constants from sys/poll.h such as POLLIN. Instead looper.h defines events like LOOPER_EVENT_INPUT for the events that it supports. That should help make any future under-the-hood implementation changes easier. Fixed a couple of compiler warnings along the way. Change-Id: I449a7ec780bf061bdd325452f823673e2b39b6ae
2010-09-14 06:17:30 +00:00
mLooper->wake();
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
}
}
Add support for new input sources. Added several new coordinate values to MotionEvents to capture touch major/minor area, tool major/minor area and orientation. Renamed NDK input constants per convention. Added InputDevice class in Java which will eventually provide useful information about available input devices. Added APIs for manufacturing new MotionEvent objects with multiple pointers and all necessary coordinate data. Fixed a bug in the input dispatcher where it could get stuck with a pointer down forever. Fixed a bug in the WindowManager where the input window list could end up containing stale removed windows. Fixed a bug in the WindowManager where the input channel was being removed only after the final animation transition had taken place which caused spurious WINDOW DIED log messages to be printed. Change-Id: Ie55084da319b20aad29b28a0499b8dd98bb5da68
2010-07-15 01:48:53 +00:00
void InputDispatcher::notifyMotion(nsecs_t eventTime, int32_t deviceId, int32_t source,
Add support for secure views. Added the MotionEvent.FLAG_WINDOW_IS_OBSCURED flag which is set by the input manager whenever another visible window is partly or wholly obscured the target of a touch event so that applications can filter touches accordingly. Added a "filterTouchesWhenObscured" attribute to View which can be used to enable filtering of touches when the view's window is obscured. Change-Id: I936d9c85013fd2d77fb296a600528d30a29027d2
2010-09-02 00:01:00 +00:00
uint32_t policyFlags, int32_t action, int32_t flags, int32_t metaState, int32_t edgeFlags,
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
uint32_t pointerCount, const int32_t* pointerIds, const PointerCoords* pointerCoords,
float xPrecision, float yPrecision, nsecs_t downTime) {
#if DEBUG_INBOUND_EVENT_DETAILS
Add support for new input sources. Added several new coordinate values to MotionEvents to capture touch major/minor area, tool major/minor area and orientation. Renamed NDK input constants per convention. Added InputDevice class in Java which will eventually provide useful information about available input devices. Added APIs for manufacturing new MotionEvent objects with multiple pointers and all necessary coordinate data. Fixed a bug in the input dispatcher where it could get stuck with a pointer down forever. Fixed a bug in the WindowManager where the input window list could end up containing stale removed windows. Fixed a bug in the WindowManager where the input channel was being removed only after the final animation transition had taken place which caused spurious WINDOW DIED log messages to be printed. Change-Id: Ie55084da319b20aad29b28a0499b8dd98bb5da68
2010-07-15 01:48:53 +00:00
LOGD("notifyMotion - eventTime=%lld, deviceId=0x%x, source=0x%x, policyFlags=0x%x, "
Add support for secure views. Added the MotionEvent.FLAG_WINDOW_IS_OBSCURED flag which is set by the input manager whenever another visible window is partly or wholly obscured the target of a touch event so that applications can filter touches accordingly. Added a "filterTouchesWhenObscured" attribute to View which can be used to enable filtering of touches when the view's window is obscured. Change-Id: I936d9c85013fd2d77fb296a600528d30a29027d2
2010-09-02 00:01:00 +00:00
"action=0x%x, flags=0x%x, metaState=0x%x, edgeFlags=0x%x, "
"xPrecision=%f, yPrecision=%f, downTime=%lld",
eventTime, deviceId, source, policyFlags, action, flags, metaState, edgeFlags,
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
xPrecision, yPrecision, downTime);
for (uint32_t i = 0; i < pointerCount; i++) {
Input device calibration and capabilities. Finished the input device capability API. Added a mechanism for calibrating touch devices to obtain more accurate information about the touch contact area. Improved pointer location to show new coordinates and capabilities. Optimized pointer location display and formatting to avoid allocating large numbers of temporary objects. The GC churn was causing the application to stutter very badly when more than a couple of fingers were down). Added more diagnostics. Change-Id: Ie25380278ed6f16c5b04cd9df848015850383498
2010-08-30 10:02:23 +00:00
LOGD(" Pointer %d: id=%d, x=%f, y=%f, pressure=%f, size=%f, "
Add support for secure views. Added the MotionEvent.FLAG_WINDOW_IS_OBSCURED flag which is set by the input manager whenever another visible window is partly or wholly obscured the target of a touch event so that applications can filter touches accordingly. Added a "filterTouchesWhenObscured" attribute to View which can be used to enable filtering of touches when the view's window is obscured. Change-Id: I936d9c85013fd2d77fb296a600528d30a29027d2
2010-09-02 00:01:00 +00:00
"touchMajor=%f, touchMinor=%f, toolMajor=%f, toolMinor=%f, "
Input device calibration and capabilities. Finished the input device capability API. Added a mechanism for calibrating touch devices to obtain more accurate information about the touch contact area. Improved pointer location to show new coordinates and capabilities. Optimized pointer location display and formatting to avoid allocating large numbers of temporary objects. The GC churn was causing the application to stutter very badly when more than a couple of fingers were down). Added more diagnostics. Change-Id: Ie25380278ed6f16c5b04cd9df848015850383498
2010-08-30 10:02:23 +00:00
"orientation=%f",
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
i, pointerIds[i], pointerCoords[i].x, pointerCoords[i].y,
Input device calibration and capabilities. Finished the input device capability API. Added a mechanism for calibrating touch devices to obtain more accurate information about the touch contact area. Improved pointer location to show new coordinates and capabilities. Optimized pointer location display and formatting to avoid allocating large numbers of temporary objects. The GC churn was causing the application to stutter very badly when more than a couple of fingers were down). Added more diagnostics. Change-Id: Ie25380278ed6f16c5b04cd9df848015850383498
2010-08-30 10:02:23 +00:00
pointerCoords[i].pressure, pointerCoords[i].size,
pointerCoords[i].touchMajor, pointerCoords[i].touchMinor,
pointerCoords[i].toolMajor, pointerCoords[i].toolMinor,
pointerCoords[i].orientation);
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
}
#endif
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
if (! validateMotionEvent(action, pointerCount, pointerIds)) {
return;
}
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
Fix an event injection bug when the policy is bypassed. Added the concept of a "trusted" event to distinguish between events from attached input devices or trusted injectors vs. other applications. This change enables us to move certain policy decisions out of the dispatcher and into the policy itself where they can be handled more systematically. Change-Id: I4d56fdcdd31aaa675d452088af39a70c4e039970
2010-10-11 21:20:19 +00:00
policyFlags |= POLICY_FLAG_TRUSTED;
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
mPolicy->interceptGenericBeforeQueueing(eventTime, /*byref*/ policyFlags);
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
bool needWake;
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
{ // acquire lock
AutoMutex _l(mLock);
// Attempt batching and streaming of move events.
Add support for new input sources. Added several new coordinate values to MotionEvents to capture touch major/minor area, tool major/minor area and orientation. Renamed NDK input constants per convention. Added InputDevice class in Java which will eventually provide useful information about available input devices. Added APIs for manufacturing new MotionEvent objects with multiple pointers and all necessary coordinate data. Fixed a bug in the input dispatcher where it could get stuck with a pointer down forever. Fixed a bug in the WindowManager where the input window list could end up containing stale removed windows. Fixed a bug in the WindowManager where the input channel was being removed only after the final animation transition had taken place which caused spurious WINDOW DIED log messages to be printed. Change-Id: Ie55084da319b20aad29b28a0499b8dd98bb5da68
2010-07-15 01:48:53 +00:00
if (action == AMOTION_EVENT_ACTION_MOVE) {
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
// BATCHING CASE
//
// Try to append a move sample to the tail of the inbound queue for this device.
// Give up if we encounter a non-move motion event for this device since that
// means we cannot append any new samples until a new motion event has started.
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
for (EventEntry* entry = mInboundQueue.tailSentinel.prev;
entry != & mInboundQueue.headSentinel; entry = entry->prev) {
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
if (entry->type != EventEntry::TYPE_MOTION) {
// Keep looking for motion events.
continue;
}
MotionEntry* motionEntry = static_cast<MotionEntry*>(entry);
if (motionEntry->deviceId != deviceId) {
// Keep looking for this device.
continue;
}
Add support for new input sources. Added several new coordinate values to MotionEvents to capture touch major/minor area, tool major/minor area and orientation. Renamed NDK input constants per convention. Added InputDevice class in Java which will eventually provide useful information about available input devices. Added APIs for manufacturing new MotionEvent objects with multiple pointers and all necessary coordinate data. Fixed a bug in the input dispatcher where it could get stuck with a pointer down forever. Fixed a bug in the WindowManager where the input window list could end up containing stale removed windows. Fixed a bug in the WindowManager where the input channel was being removed only after the final animation transition had taken place which caused spurious WINDOW DIED log messages to be printed. Change-Id: Ie55084da319b20aad29b28a0499b8dd98bb5da68
2010-07-15 01:48:53 +00:00
if (motionEntry->action != AMOTION_EVENT_ACTION_MOVE
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
|| motionEntry->pointerCount != pointerCount
|| motionEntry->isInjected()) {
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
// Last motion event in the queue for this device is not compatible for
// appending new samples. Stop here.
goto NoBatchingOrStreaming;
}
// The last motion event is a move and is compatible for appending.
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
// Do the batching magic.
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
mAllocator.appendMotionSample(motionEntry, eventTime, pointerCoords);
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
#if DEBUG_BATCHING
LOGD("Appended motion sample onto batch for most recent "
"motion event for this device in the inbound queue.");
#endif
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
return; // done!
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
}
// STREAMING CASE
//
// There is no pending motion event (of any kind) for this device in the inbound queue.
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
// Search the outbound queue for the current foreground targets to find a dispatched
// motion event that is still in progress. If found, then, appen the new sample to
// that event and push it out to all current targets. The logic in
// prepareDispatchCycleLocked takes care of the case where some targets may
// already have consumed the motion event by starting a new dispatch cycle if needed.
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
if (mCurrentInputTargetsValid) {
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
for (size_t i = 0; i < mCurrentInputTargets.size(); i++) {
const InputTarget& inputTarget = mCurrentInputTargets[i];
if ((inputTarget.flags & InputTarget::FLAG_FOREGROUND) == 0) {
// Skip non-foreground targets. We only want to stream if there is at
// least one foreground target whose dispatch is still in progress.
continue;
}
ssize_t connectionIndex = getConnectionIndexLocked(inputTarget.inputChannel);
if (connectionIndex < 0) {
// Connection must no longer be valid.
continue;
}
sp<Connection> connection = mConnectionsByReceiveFd.valueAt(connectionIndex);
if (connection->outboundQueue.isEmpty()) {
// This foreground target has an empty outbound queue.
continue;
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
}
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
DispatchEntry* dispatchEntry = connection->outboundQueue.headSentinel.next;
if (! dispatchEntry->inProgress
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
|| dispatchEntry->eventEntry->type != EventEntry::TYPE_MOTION
|| dispatchEntry->isSplit()) {
// No motion event is being dispatched, or it is being split across
// windows in which case we cannot stream.
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
continue;
}
MotionEntry* motionEntry = static_cast<MotionEntry*>(
dispatchEntry->eventEntry);
if (motionEntry->action != AMOTION_EVENT_ACTION_MOVE
|| motionEntry->deviceId != deviceId
|| motionEntry->pointerCount != pointerCount
|| motionEntry->isInjected()) {
// The motion event is not compatible with this move.
continue;
}
// Hurray! This foreground target is currently dispatching a move event
// that we can stream onto. Append the motion sample and resume dispatch.
mAllocator.appendMotionSample(motionEntry, eventTime, pointerCoords);
#if DEBUG_BATCHING
LOGD("Appended motion sample onto batch for most recently dispatched "
"motion event for this device in the outbound queues. "
"Attempting to stream the motion sample.");
#endif
nsecs_t currentTime = now();
dispatchEventToCurrentInputTargetsLocked(currentTime, motionEntry,
true /*resumeWithAppendedMotionSample*/);
runCommandsLockedInterruptible();
return; // done!
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
}
}
NoBatchingOrStreaming:;
}
// Just enqueue a new motion event.
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
MotionEntry* newEntry = mAllocator.obtainMotionEntry(eventTime,
Add support for secure views. Added the MotionEvent.FLAG_WINDOW_IS_OBSCURED flag which is set by the input manager whenever another visible window is partly or wholly obscured the target of a touch event so that applications can filter touches accordingly. Added a "filterTouchesWhenObscured" attribute to View which can be used to enable filtering of touches when the view's window is obscured. Change-Id: I936d9c85013fd2d77fb296a600528d30a29027d2
2010-09-02 00:01:00 +00:00
deviceId, source, policyFlags, action, flags, metaState, edgeFlags,
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
xPrecision, yPrecision, downTime,
pointerCount, pointerIds, pointerCoords);
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
needWake = enqueueInboundEventLocked(newEntry);
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
} // release lock
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
if (needWake) {
Replace epoll() with poll() and rename PollLoop to Looper. As part of this change, consolidated and cleaned up the Looper API so that there are fewer distinctions between the NDK and non-NDK declarations (no need for two callback types, etc.). Removed the dependence on specific constants from sys/poll.h such as POLLIN. Instead looper.h defines events like LOOPER_EVENT_INPUT for the events that it supports. That should help make any future under-the-hood implementation changes easier. Fixed a couple of compiler warnings along the way. Change-Id: I449a7ec780bf061bdd325452f823673e2b39b6ae
2010-09-14 06:17:30 +00:00
mLooper->wake();
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
}
}
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
void InputDispatcher::notifySwitch(nsecs_t when, int32_t switchCode, int32_t switchValue,
uint32_t policyFlags) {
#if DEBUG_INBOUND_EVENT_DETAILS
LOGD("notifySwitch - switchCode=%d, switchValue=%d, policyFlags=0x%x",
switchCode, switchValue, policyFlags);
#endif
Fix an event injection bug when the policy is bypassed. Added the concept of a "trusted" event to distinguish between events from attached input devices or trusted injectors vs. other applications. This change enables us to move certain policy decisions out of the dispatcher and into the policy itself where they can be handled more systematically. Change-Id: I4d56fdcdd31aaa675d452088af39a70c4e039970
2010-10-11 21:20:19 +00:00
policyFlags |= POLICY_FLAG_TRUSTED;
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
mPolicy->notifySwitch(when, switchCode, switchValue, policyFlags);
}
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
int32_t InputDispatcher::injectInputEvent(const InputEvent* event,
DO NOT MERGE: Fix input event injection ANRs on UI thread. Added a new asynchronous injection mode and made the existing synchronization mechanism more robust. Change-Id: Ia4aa04fd9b75ea2461a844c5b7933c831c1027e6
2010-07-28 22:48:59 +00:00
int32_t injectorPid, int32_t injectorUid, int32_t syncMode, int32_t timeoutMillis) {
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
#if DEBUG_INBOUND_EVENT_DETAILS
LOGD("injectInputEvent - eventType=%d, injectorPid=%d, injectorUid=%d, "
DO NOT MERGE: Fix input event injection ANRs on UI thread. Added a new asynchronous injection mode and made the existing synchronization mechanism more robust. Change-Id: Ia4aa04fd9b75ea2461a844c5b7933c831c1027e6
2010-07-28 22:48:59 +00:00
"syncMode=%d, timeoutMillis=%d",
event->getType(), injectorPid, injectorUid, syncMode, timeoutMillis);
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
#endif
nsecs_t endTime = now() + milliseconds_to_nanoseconds(timeoutMillis);
Fix an event injection bug when the policy is bypassed. Added the concept of a "trusted" event to distinguish between events from attached input devices or trusted injectors vs. other applications. This change enables us to move certain policy decisions out of the dispatcher and into the policy itself where they can be handled more systematically. Change-Id: I4d56fdcdd31aaa675d452088af39a70c4e039970
2010-10-11 21:20:19 +00:00
uint32_t policyFlags = POLICY_FLAG_INJECTED;
if (hasInjectionPermission(injectorPid, injectorUid)) {
policyFlags |= POLICY_FLAG_TRUSTED;
}
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
EventEntry* injectedEntry;
switch (event->getType()) {
case AINPUT_EVENT_TYPE_KEY: {
const KeyEvent* keyEvent = static_cast<const KeyEvent*>(event);
int32_t action = keyEvent->getAction();
if (! validateKeyEvent(action)) {
return INPUT_EVENT_INJECTION_FAILED;
}
nsecs_t eventTime = keyEvent->getEventTime();
int32_t deviceId = keyEvent->getDeviceId();
int32_t flags = keyEvent->getFlags();
int32_t keyCode = keyEvent->getKeyCode();
int32_t scanCode = keyEvent->getScanCode();
Fix an event injection bug when the policy is bypassed. Added the concept of a "trusted" event to distinguish between events from attached input devices or trusted injectors vs. other applications. This change enables us to move certain policy decisions out of the dispatcher and into the policy itself where they can be handled more systematically. Change-Id: I4d56fdcdd31aaa675d452088af39a70c4e039970
2010-10-11 21:20:19 +00:00
mPolicy->interceptKeyBeforeQueueing(eventTime, deviceId, action, /*byref*/ flags,
keyCode, scanCode, /*byref*/ policyFlags);
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
mLock.lock();
injectedEntry = mAllocator.obtainKeyEntry(eventTime, deviceId, keyEvent->getSource(),
policyFlags, action, flags, keyCode, scanCode, keyEvent->getMetaState(),
keyEvent->getRepeatCount(), keyEvent->getDownTime());
break;
}
case AINPUT_EVENT_TYPE_MOTION: {
const MotionEvent* motionEvent = static_cast<const MotionEvent*>(event);
int32_t action = motionEvent->getAction();
size_t pointerCount = motionEvent->getPointerCount();
const int32_t* pointerIds = motionEvent->getPointerIds();
if (! validateMotionEvent(action, pointerCount, pointerIds)) {
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
return INPUT_EVENT_INJECTION_FAILED;
}
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
nsecs_t eventTime = motionEvent->getEventTime();
Fix an event injection bug when the policy is bypassed. Added the concept of a "trusted" event to distinguish between events from attached input devices or trusted injectors vs. other applications. This change enables us to move certain policy decisions out of the dispatcher and into the policy itself where they can be handled more systematically. Change-Id: I4d56fdcdd31aaa675d452088af39a70c4e039970
2010-10-11 21:20:19 +00:00
mPolicy->interceptGenericBeforeQueueing(eventTime, /*byref*/ policyFlags);
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
mLock.lock();
const nsecs_t* sampleEventTimes = motionEvent->getSampleEventTimes();
const PointerCoords* samplePointerCoords = motionEvent->getSamplePointerCoords();
MotionEntry* motionEntry = mAllocator.obtainMotionEntry(*sampleEventTimes,
motionEvent->getDeviceId(), motionEvent->getSource(), policyFlags,
action, motionEvent->getFlags(),
motionEvent->getMetaState(), motionEvent->getEdgeFlags(),
motionEvent->getXPrecision(), motionEvent->getYPrecision(),
motionEvent->getDownTime(), uint32_t(pointerCount),
pointerIds, samplePointerCoords);
for (size_t i = motionEvent->getHistorySize(); i > 0; i--) {
sampleEventTimes += 1;
samplePointerCoords += pointerCount;
mAllocator.appendMotionSample(motionEntry, *sampleEventTimes, samplePointerCoords);
DO NOT MERGE: Fix input event injection ANRs on UI thread. Added a new asynchronous injection mode and made the existing synchronization mechanism more robust. Change-Id: Ia4aa04fd9b75ea2461a844c5b7933c831c1027e6
2010-07-28 22:48:59 +00:00
}
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
injectedEntry = motionEntry;
break;
}
DO NOT MERGE: Fix input event injection ANRs on UI thread. Added a new asynchronous injection mode and made the existing synchronization mechanism more robust. Change-Id: Ia4aa04fd9b75ea2461a844c5b7933c831c1027e6
2010-07-28 22:48:59 +00:00
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
default:
LOGW("Cannot inject event of type %d", event->getType());
return INPUT_EVENT_INJECTION_FAILED;
}
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
InjectionState* injectionState = mAllocator.obtainInjectionState(injectorPid, injectorUid);
if (syncMode == INPUT_EVENT_INJECTION_SYNC_NONE) {
injectionState->injectionIsAsync = true;
}
injectionState->refCount += 1;
injectedEntry->injectionState = injectionState;
bool needWake = enqueueInboundEventLocked(injectedEntry);
mLock.unlock();
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
if (needWake) {
Replace epoll() with poll() and rename PollLoop to Looper. As part of this change, consolidated and cleaned up the Looper API so that there are fewer distinctions between the NDK and non-NDK declarations (no need for two callback types, etc.). Removed the dependence on specific constants from sys/poll.h such as POLLIN. Instead looper.h defines events like LOOPER_EVENT_INPUT for the events that it supports. That should help make any future under-the-hood implementation changes easier. Fixed a couple of compiler warnings along the way. Change-Id: I449a7ec780bf061bdd325452f823673e2b39b6ae
2010-09-14 06:17:30 +00:00
mLooper->wake();
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
}
int32_t injectionResult;
{ // acquire lock
AutoMutex _l(mLock);
DO NOT MERGE: Fix input event injection ANRs on UI thread. Added a new asynchronous injection mode and made the existing synchronization mechanism more robust. Change-Id: Ia4aa04fd9b75ea2461a844c5b7933c831c1027e6
2010-07-28 22:48:59 +00:00
if (syncMode == INPUT_EVENT_INJECTION_SYNC_NONE) {
injectionResult = INPUT_EVENT_INJECTION_SUCCEEDED;
} else {
for (;;) {
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
injectionResult = injectionState->injectionResult;
DO NOT MERGE: Fix input event injection ANRs on UI thread. Added a new asynchronous injection mode and made the existing synchronization mechanism more robust. Change-Id: Ia4aa04fd9b75ea2461a844c5b7933c831c1027e6
2010-07-28 22:48:59 +00:00
if (injectionResult != INPUT_EVENT_INJECTION_PENDING) {
break;
}
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
nsecs_t remainingTimeout = endTime - now();
if (remainingTimeout <= 0) {
DO NOT MERGE: Fix input event injection ANRs on UI thread. Added a new asynchronous injection mode and made the existing synchronization mechanism more robust. Change-Id: Ia4aa04fd9b75ea2461a844c5b7933c831c1027e6
2010-07-28 22:48:59 +00:00
#if DEBUG_INJECTION
LOGD("injectInputEvent - Timed out waiting for injection result "
"to become available.");
#endif
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
injectionResult = INPUT_EVENT_INJECTION_TIMED_OUT;
break;
}
DO NOT MERGE: Fix input event injection ANRs on UI thread. Added a new asynchronous injection mode and made the existing synchronization mechanism more robust. Change-Id: Ia4aa04fd9b75ea2461a844c5b7933c831c1027e6
2010-07-28 22:48:59 +00:00
mInjectionResultAvailableCondition.waitRelative(mLock, remainingTimeout);
}
if (injectionResult == INPUT_EVENT_INJECTION_SUCCEEDED
&& syncMode == INPUT_EVENT_INJECTION_SYNC_WAIT_FOR_FINISHED) {
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
while (injectionState->pendingForegroundDispatches != 0) {
DO NOT MERGE: Fix input event injection ANRs on UI thread. Added a new asynchronous injection mode and made the existing synchronization mechanism more robust. Change-Id: Ia4aa04fd9b75ea2461a844c5b7933c831c1027e6
2010-07-28 22:48:59 +00:00
#if DEBUG_INJECTION
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
LOGD("injectInputEvent - Waiting for %d pending foreground dispatches.",
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
injectionState->pendingForegroundDispatches);
DO NOT MERGE: Fix input event injection ANRs on UI thread. Added a new asynchronous injection mode and made the existing synchronization mechanism more robust. Change-Id: Ia4aa04fd9b75ea2461a844c5b7933c831c1027e6
2010-07-28 22:48:59 +00:00
#endif
nsecs_t remainingTimeout = endTime - now();
if (remainingTimeout <= 0) {
#if DEBUG_INJECTION
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
LOGD("injectInputEvent - Timed out waiting for pending foreground "
DO NOT MERGE: Fix input event injection ANRs on UI thread. Added a new asynchronous injection mode and made the existing synchronization mechanism more robust. Change-Id: Ia4aa04fd9b75ea2461a844c5b7933c831c1027e6
2010-07-28 22:48:59 +00:00
"dispatches to finish.");
#endif
injectionResult = INPUT_EVENT_INJECTION_TIMED_OUT;
break;
}
mInjectionSyncFinishedCondition.waitRelative(mLock, remainingTimeout);
}
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
}
}
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
mAllocator.releaseInjectionState(injectionState);
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
} // release lock
DO NOT MERGE: Fix input event injection ANRs on UI thread. Added a new asynchronous injection mode and made the existing synchronization mechanism more robust. Change-Id: Ia4aa04fd9b75ea2461a844c5b7933c831c1027e6
2010-07-28 22:48:59 +00:00
#if DEBUG_INJECTION
LOGD("injectInputEvent - Finished with result %d. "
"injectorPid=%d, injectorUid=%d",
injectionResult, injectorPid, injectorUid);
#endif
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
return injectionResult;
}
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
bool InputDispatcher::hasInjectionPermission(int32_t injectorPid, int32_t injectorUid) {
return injectorUid == 0
|| mPolicy->checkInjectEventsPermissionNonReentrant(injectorPid, injectorUid);
}
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
void InputDispatcher::setInjectionResultLocked(EventEntry* entry, int32_t injectionResult) {
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
InjectionState* injectionState = entry->injectionState;
if (injectionState) {
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
#if DEBUG_INJECTION
LOGD("Setting input event injection result to %d. "
"injectorPid=%d, injectorUid=%d",
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
injectionResult, injectionState->injectorPid, injectionState->injectorUid);
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
#endif
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
if (injectionState->injectionIsAsync) {
DO NOT MERGE: Fix input event injection ANRs on UI thread. Added a new asynchronous injection mode and made the existing synchronization mechanism more robust. Change-Id: Ia4aa04fd9b75ea2461a844c5b7933c831c1027e6
2010-07-28 22:48:59 +00:00
// Log the outcome since the injector did not wait for the injection result.
switch (injectionResult) {
case INPUT_EVENT_INJECTION_SUCCEEDED:
LOGV("Asynchronous input event injection succeeded.");
break;
case INPUT_EVENT_INJECTION_FAILED:
LOGW("Asynchronous input event injection failed.");
break;
case INPUT_EVENT_INJECTION_PERMISSION_DENIED:
LOGW("Asynchronous input event injection permission denied.");
break;
case INPUT_EVENT_INJECTION_TIMED_OUT:
LOGW("Asynchronous input event injection timed out.");
break;
}
}
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
injectionState->injectionResult = injectionResult;
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
mInjectionResultAvailableCondition.broadcast();
}
}
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
void InputDispatcher::incrementPendingForegroundDispatchesLocked(EventEntry* entry) {
InjectionState* injectionState = entry->injectionState;
if (injectionState) {
injectionState->pendingForegroundDispatches += 1;
DO NOT MERGE: Fix input event injection ANRs on UI thread. Added a new asynchronous injection mode and made the existing synchronization mechanism more robust. Change-Id: Ia4aa04fd9b75ea2461a844c5b7933c831c1027e6
2010-07-28 22:48:59 +00:00
}
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
}
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
void InputDispatcher::decrementPendingForegroundDispatchesLocked(EventEntry* entry) {
InjectionState* injectionState = entry->injectionState;
if (injectionState) {
injectionState->pendingForegroundDispatches -= 1;
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
if (injectionState->pendingForegroundDispatches == 0) {
mInjectionSyncFinishedCondition.broadcast();
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
}
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
const InputWindow* InputDispatcher::getWindowLocked(const sp<InputChannel>& inputChannel) {
for (size_t i = 0; i < mWindows.size(); i++) {
const InputWindow* window = & mWindows[i];
if (window->inputChannel == inputChannel) {
return window;
}
}
return NULL;
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
void InputDispatcher::setInputWindows(const Vector<InputWindow>& inputWindows) {
#if DEBUG_FOCUS
LOGD("setInputWindows");
#endif
{ // acquire lock
AutoMutex _l(mLock);
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
// Clear old window pointers.
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
sp<InputChannel> oldFocusedWindowChannel;
if (mFocusedWindow) {
oldFocusedWindowChannel = mFocusedWindow->inputChannel;
mFocusedWindow = NULL;
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
mWindows.clear();
Fix input dispatcher regression on launcher drag&drop. Change-Id: I40e937bd712cd2ed6cceac95dfd1b8c8e070724f
2010-09-16 19:31:46 +00:00
// Loop over new windows and rebuild the necessary window pointers for
// tracking focus and touch.
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
mWindows.appendVector(inputWindows);
size_t numWindows = mWindows.size();
for (size_t i = 0; i < numWindows; i++) {
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
const InputWindow* window = & mWindows.itemAt(i);
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
if (window->hasFocus) {
mFocusedWindow = window;
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
break;
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
if (oldFocusedWindowChannel != NULL) {
if (!mFocusedWindow || oldFocusedWindowChannel != mFocusedWindow->inputChannel) {
#if DEBUG_FOCUS
LOGD("Focus left window: %s",
oldFocusedWindowChannel->getName().string());
#endif
synthesizeCancelationEventsForInputChannelLocked(oldFocusedWindowChannel,
InputState::CANCEL_NON_POINTER_EVENTS, "focus left window");
oldFocusedWindowChannel.clear();
}
}
if (mFocusedWindow && oldFocusedWindowChannel == NULL) {
#if DEBUG_FOCUS
LOGD("Focus entered window: %s",
mFocusedWindow->inputChannel->getName().string());
#endif
}
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
for (size_t i = 0; i < mTouchState.windows.size(); ) {
TouchedWindow& touchedWindow = mTouchState.windows.editItemAt(i);
const InputWindow* window = getWindowLocked(touchedWindow.channel);
if (window) {
touchedWindow.window = window;
i += 1;
} else {
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
#if DEBUG_FOCUS
LOGD("Touched window was removed: %s", touchedWindow.channel->getName().string());
#endif
synthesizeCancelationEventsForInputChannelLocked(touchedWindow.channel,
InputState::CANCEL_POINTER_EVENTS, "touched window was removed");
Fix a native crash in input dispatcher when windows are removed. Bug: 3101826 Change-Id: I040838600a6105c8d9f3235025dc0a7b5b27da2e
2010-10-15 23:20:51 +00:00
mTouchState.windows.removeAt(i);
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
}
#if DEBUG_FOCUS
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
//logDispatchStateLocked();
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
#endif
} // release lock
// Wake up poll loop since it may need to make new input dispatching choices.
Replace epoll() with poll() and rename PollLoop to Looper. As part of this change, consolidated and cleaned up the Looper API so that there are fewer distinctions between the NDK and non-NDK declarations (no need for two callback types, etc.). Removed the dependence on specific constants from sys/poll.h such as POLLIN. Instead looper.h defines events like LOOPER_EVENT_INPUT for the events that it supports. That should help make any future under-the-hood implementation changes easier. Fixed a couple of compiler warnings along the way. Change-Id: I449a7ec780bf061bdd325452f823673e2b39b6ae
2010-09-14 06:17:30 +00:00
mLooper->wake();
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
void InputDispatcher::setFocusedApplication(const InputApplication* inputApplication) {
#if DEBUG_FOCUS
LOGD("setFocusedApplication");
#endif
{ // acquire lock
AutoMutex _l(mLock);
releaseFocusedApplicationLocked();
if (inputApplication) {
mFocusedApplicationStorage = *inputApplication;
mFocusedApplication = & mFocusedApplicationStorage;
}
#if DEBUG_FOCUS
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
//logDispatchStateLocked();
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
#endif
} // release lock
// Wake up poll loop since it may need to make new input dispatching choices.
Replace epoll() with poll() and rename PollLoop to Looper. As part of this change, consolidated and cleaned up the Looper API so that there are fewer distinctions between the NDK and non-NDK declarations (no need for two callback types, etc.). Removed the dependence on specific constants from sys/poll.h such as POLLIN. Instead looper.h defines events like LOOPER_EVENT_INPUT for the events that it supports. That should help make any future under-the-hood implementation changes easier. Fixed a couple of compiler warnings along the way. Change-Id: I449a7ec780bf061bdd325452f823673e2b39b6ae
2010-09-14 06:17:30 +00:00
mLooper->wake();
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
void InputDispatcher::releaseFocusedApplicationLocked() {
if (mFocusedApplication) {
mFocusedApplication = NULL;
mFocusedApplicationStorage.handle.clear();
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
}
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
void InputDispatcher::setInputDispatchMode(bool enabled, bool frozen) {
#if DEBUG_FOCUS
LOGD("setInputDispatchMode: enabled=%d, frozen=%d", enabled, frozen);
Native input event dispatching. Target identification is now fully native. Fixed a couple of minor issues related to input injection. Native input enabled by default, can be disabled by setting WindowManagerPolicy.ENABLE_NATIVE_INPUT_DISPATCH to false. Change-Id: I7edf66ed3e987cc9306ad4743ac57a116af452ff
2010-06-22 08:27:15 +00:00
#endif
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
bool changed;
Native input event dispatching. Target identification is now fully native. Fixed a couple of minor issues related to input injection. Native input enabled by default, can be disabled by setting WindowManagerPolicy.ENABLE_NATIVE_INPUT_DISPATCH to false. Change-Id: I7edf66ed3e987cc9306ad4743ac57a116af452ff
2010-06-22 08:27:15 +00:00
{ // acquire lock
AutoMutex _l(mLock);
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
if (mDispatchEnabled != enabled || mDispatchFrozen != frozen) {
Drop all dispatcher state when dispatcher is disabled. This patch makes the dispatcher drop all of its state when it is disabled (when the screen turns off). This ensures that the dispatcher does not get stuck thinking a pointer is still down if the screen turned off while the user was touching the display (such as a fat touch while hitting the power button). Bug: 3098344 Change-Id: If50ef5804870aa1acd3179fd4b40e3cda58dd39d
2010-10-28 01:43:51 +00:00
if (mDispatchFrozen && !frozen) {
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
resetANRTimeoutsLocked();
Native input event dispatching. Target identification is now fully native. Fixed a couple of minor issues related to input injection. Native input enabled by default, can be disabled by setting WindowManagerPolicy.ENABLE_NATIVE_INPUT_DISPATCH to false. Change-Id: I7edf66ed3e987cc9306ad4743ac57a116af452ff
2010-06-22 08:27:15 +00:00
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
Drop all dispatcher state when dispatcher is disabled. This patch makes the dispatcher drop all of its state when it is disabled (when the screen turns off). This ensures that the dispatcher does not get stuck thinking a pointer is still down if the screen turned off while the user was touching the display (such as a fat touch while hitting the power button). Bug: 3098344 Change-Id: If50ef5804870aa1acd3179fd4b40e3cda58dd39d
2010-10-28 01:43:51 +00:00
if (mDispatchEnabled && !enabled) {
resetAndDropEverythingLocked("dispatcher is being disabled");
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
mDispatchEnabled = enabled;
mDispatchFrozen = frozen;
changed = true;
} else {
changed = false;
Native input event dispatching. Target identification is now fully native. Fixed a couple of minor issues related to input injection. Native input enabled by default, can be disabled by setting WindowManagerPolicy.ENABLE_NATIVE_INPUT_DISPATCH to false. Change-Id: I7edf66ed3e987cc9306ad4743ac57a116af452ff
2010-06-22 08:27:15 +00:00
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
#if DEBUG_FOCUS
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
//logDispatchStateLocked();
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
#endif
} // release lock
if (changed) {
// Wake up poll loop since it may need to make new input dispatching choices.
Replace epoll() with poll() and rename PollLoop to Looper. As part of this change, consolidated and cleaned up the Looper API so that there are fewer distinctions between the NDK and non-NDK declarations (no need for two callback types, etc.). Removed the dependence on specific constants from sys/poll.h such as POLLIN. Instead looper.h defines events like LOOPER_EVENT_INPUT for the events that it supports. That should help make any future under-the-hood implementation changes easier. Fixed a couple of compiler warnings along the way. Change-Id: I449a7ec780bf061bdd325452f823673e2b39b6ae
2010-09-14 06:17:30 +00:00
mLooper->wake();
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
}
Drop all dispatcher state when dispatcher is disabled. This patch makes the dispatcher drop all of its state when it is disabled (when the screen turns off). This ensures that the dispatcher does not get stuck thinking a pointer is still down if the screen turned off while the user was touching the display (such as a fat touch while hitting the power button). Bug: 3098344 Change-Id: If50ef5804870aa1acd3179fd4b40e3cda58dd39d
2010-10-28 01:43:51 +00:00
void InputDispatcher::resetAndDropEverythingLocked(const char* reason) {
#if DEBUG_FOCUS
LOGD("Resetting and dropping all events (%s).", reason);
#endif
synthesizeCancelationEventsForAllConnectionsLocked(InputState::CANCEL_ALL_EVENTS, reason);
resetKeyRepeatLocked();
releasePendingEventLocked();
drainInboundQueueLocked();
resetTargetsLocked();
mTouchState.reset();
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
void InputDispatcher::logDispatchStateLocked() {
String8 dump;
dumpDispatchStateLocked(dump);
Fix input dispatcher regression on launcher drag&drop. Change-Id: I40e937bd712cd2ed6cceac95dfd1b8c8e070724f
2010-09-16 19:31:46 +00:00
char* text = dump.lockBuffer(dump.size());
char* start = text;
while (*start != '\0') {
char* end = strchr(start, '\n');
if (*end == '\n') {
*(end++) = '\0';
}
LOGD("%s", start);
start = end;
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
void InputDispatcher::dumpDispatchStateLocked(String8& dump) {
Minor logging changes to input dispatcher to help with debugging. Added dumpsys reporting to EventHub. Made the formatting a bit clearer. Added 'Locked' suffix to some internal methods of EventHub. Change-Id: Ic449560bcce378f6361895d27c66854e9724abb0
2010-10-02 00:46:21 +00:00
dump.appendFormat(INDENT "DispatchEnabled: %d\n", mDispatchEnabled);
dump.appendFormat(INDENT "DispatchFrozen: %d\n", mDispatchFrozen);
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
if (mFocusedApplication) {
Minor logging changes to input dispatcher to help with debugging. Added dumpsys reporting to EventHub. Made the formatting a bit clearer. Added 'Locked' suffix to some internal methods of EventHub. Change-Id: Ic449560bcce378f6361895d27c66854e9724abb0
2010-10-02 00:46:21 +00:00
dump.appendFormat(INDENT "FocusedApplication: name='%s', dispatchingTimeout=%0.3fms\n",
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
mFocusedApplication->name.string(),
mFocusedApplication->dispatchingTimeout / 1000000.0);
} else {
Minor logging changes to input dispatcher to help with debugging. Added dumpsys reporting to EventHub. Made the formatting a bit clearer. Added 'Locked' suffix to some internal methods of EventHub. Change-Id: Ic449560bcce378f6361895d27c66854e9724abb0
2010-10-02 00:46:21 +00:00
dump.append(INDENT "FocusedApplication: <null>\n");
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
Minor logging changes to input dispatcher to help with debugging. Added dumpsys reporting to EventHub. Made the formatting a bit clearer. Added 'Locked' suffix to some internal methods of EventHub. Change-Id: Ic449560bcce378f6361895d27c66854e9724abb0
2010-10-02 00:46:21 +00:00
dump.appendFormat(INDENT "FocusedWindow: name='%s'\n",
Fix input dispatcher regression on launcher drag&drop. Change-Id: I40e937bd712cd2ed6cceac95dfd1b8c8e070724f
2010-09-16 19:31:46 +00:00
mFocusedWindow != NULL ? mFocusedWindow->name.string() : "<null>");
Minor logging changes to input dispatcher to help with debugging. Added dumpsys reporting to EventHub. Made the formatting a bit clearer. Added 'Locked' suffix to some internal methods of EventHub. Change-Id: Ic449560bcce378f6361895d27c66854e9724abb0
2010-10-02 00:46:21 +00:00
dump.appendFormat(INDENT "TouchDown: %s\n", toString(mTouchState.down));
dump.appendFormat(INDENT "TouchSplit: %s\n", toString(mTouchState.split));
if (!mTouchState.windows.isEmpty()) {
dump.append(INDENT "TouchedWindows:\n");
for (size_t i = 0; i < mTouchState.windows.size(); i++) {
const TouchedWindow& touchedWindow = mTouchState.windows[i];
dump.appendFormat(INDENT2 "%d: name='%s', pointerIds=0x%0x, targetFlags=0x%x\n",
i, touchedWindow.window->name.string(), touchedWindow.pointerIds.value,
touchedWindow.targetFlags);
}
} else {
dump.append(INDENT "TouchedWindows: <none>\n");
}
if (!mWindows.isEmpty()) {
dump.append(INDENT "Windows:\n");
for (size_t i = 0; i < mWindows.size(); i++) {
const InputWindow& window = mWindows[i];
dump.appendFormat(INDENT2 "%d: name='%s', paused=%s, hasFocus=%s, hasWallpaper=%s, "
"visible=%s, canReceiveKeys=%s, flags=0x%08x, type=0x%08x, layer=%d, "
"frame=[%d,%d][%d,%d], "
"visibleFrame=[%d,%d][%d,%d], "
"touchableArea=[%d,%d][%d,%d], "
"ownerPid=%d, ownerUid=%d, dispatchingTimeout=%0.3fms\n",
i, window.name.string(),
toString(window.paused),
toString(window.hasFocus),
toString(window.hasWallpaper),
toString(window.visible),
toString(window.canReceiveKeys),
window.layoutParamsFlags, window.layoutParamsType,
window.layer,
window.frameLeft, window.frameTop,
window.frameRight, window.frameBottom,
window.visibleFrameLeft, window.visibleFrameTop,
window.visibleFrameRight, window.visibleFrameBottom,
window.touchableAreaLeft, window.touchableAreaTop,
window.touchableAreaRight, window.touchableAreaBottom,
window.ownerPid, window.ownerUid,
window.dispatchingTimeout / 1000000.0);
}
} else {
dump.append(INDENT "Windows: <none>\n");
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
Minor logging changes to input dispatcher to help with debugging. Added dumpsys reporting to EventHub. Made the formatting a bit clearer. Added 'Locked' suffix to some internal methods of EventHub. Change-Id: Ic449560bcce378f6361895d27c66854e9724abb0
2010-10-02 00:46:21 +00:00
if (!mMonitoringChannels.isEmpty()) {
dump.append(INDENT "MonitoringChannels:\n");
for (size_t i = 0; i < mMonitoringChannels.size(); i++) {
const sp<InputChannel>& channel = mMonitoringChannels[i];
dump.appendFormat(INDENT2 "%d: '%s'\n", i, channel->getName().string());
}
} else {
dump.append(INDENT "MonitoringChannels: <none>\n");
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
Minor logging changes to input dispatcher to help with debugging. Added dumpsys reporting to EventHub. Made the formatting a bit clearer. Added 'Locked' suffix to some internal methods of EventHub. Change-Id: Ic449560bcce378f6361895d27c66854e9724abb0
2010-10-02 00:46:21 +00:00
dump.appendFormat(INDENT "InboundQueue: length=%u\n", mInboundQueue.count());
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
Minor logging changes to input dispatcher to help with debugging. Added dumpsys reporting to EventHub. Made the formatting a bit clearer. Added 'Locked' suffix to some internal methods of EventHub. Change-Id: Ic449560bcce378f6361895d27c66854e9724abb0
2010-10-02 00:46:21 +00:00
if (!mActiveConnections.isEmpty()) {
dump.append(INDENT "ActiveConnections:\n");
for (size_t i = 0; i < mActiveConnections.size(); i++) {
const Connection* connection = mActiveConnections[i];
dump.appendFormat(INDENT2 "%d: '%s', status=%s, outboundQueueLength=%u"
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
"inputState.isNeutral=%s\n",
Minor logging changes to input dispatcher to help with debugging. Added dumpsys reporting to EventHub. Made the formatting a bit clearer. Added 'Locked' suffix to some internal methods of EventHub. Change-Id: Ic449560bcce378f6361895d27c66854e9724abb0
2010-10-02 00:46:21 +00:00
i, connection->getInputChannelName(), connection->getStatusLabel(),
connection->outboundQueue.count(),
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
toString(connection->inputState.isNeutral()));
Minor logging changes to input dispatcher to help with debugging. Added dumpsys reporting to EventHub. Made the formatting a bit clearer. Added 'Locked' suffix to some internal methods of EventHub. Change-Id: Ic449560bcce378f6361895d27c66854e9724abb0
2010-10-02 00:46:21 +00:00
}
} else {
dump.append(INDENT "ActiveConnections: <none>\n");
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
if (isAppSwitchPendingLocked()) {
Minor logging changes to input dispatcher to help with debugging. Added dumpsys reporting to EventHub. Made the formatting a bit clearer. Added 'Locked' suffix to some internal methods of EventHub. Change-Id: Ic449560bcce378f6361895d27c66854e9724abb0
2010-10-02 00:46:21 +00:00
dump.appendFormat(INDENT "AppSwitch: pending, due in %01.1fms\n",
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
(mAppSwitchDueTime - now()) / 1000000.0);
} else {
Minor logging changes to input dispatcher to help with debugging. Added dumpsys reporting to EventHub. Made the formatting a bit clearer. Added 'Locked' suffix to some internal methods of EventHub. Change-Id: Ic449560bcce378f6361895d27c66854e9724abb0
2010-10-02 00:46:21 +00:00
dump.append(INDENT "AppSwitch: not pending\n");
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
}
status_t InputDispatcher::registerInputChannel(const sp<InputChannel>& inputChannel, bool monitor) {
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
#if DEBUG_REGISTRATION
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
LOGD("channel '%s' ~ registerInputChannel - monitor=%s", inputChannel->getName().string(),
toString(monitor));
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
#endif
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
{ // acquire lock
AutoMutex _l(mLock);
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
if (getConnectionIndexLocked(inputChannel) >= 0) {
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
LOGW("Attempted to register already registered input channel '%s'",
inputChannel->getName().string());
return BAD_VALUE;
}
sp<Connection> connection = new Connection(inputChannel);
status_t status = connection->initialize();
if (status) {
LOGE("Failed to initialize input publisher for input channel '%s', status=%d",
inputChannel->getName().string(), status);
return status;
}
Fix possible race conditions during channel unregistration. Previously, the input dispatcher assumed that the input channel's receive pipe file descriptor was a sufficiently unique identifier for looking up input channels in its various tables. However, it can happen that an input channel is disposed and then a new input channel is immediately created that reuses the same file descriptor. Ordinarily this is not a problem, however there is a small opportunity for a race to arise in InputQueue. When InputQueue receives an input event from the dispatcher, it generates a finishedToken that encodes the channel's receive pipe fd, and a sequence number. The finishedToken is used by the ViewRoot as a handle for the event so that it can tell the InputQueue when the event has finished being processed. Here is the race: 1. InputQueue receives an input event, assigns a new finishedToken. 2. ViewRoot begins processing the input event. 3. During processing, ViewRoot unregisters the InputChannel. 4. A new InputChannel is created and is registered with the Input Queue. This InputChannel happens to have the same receive pipe fd as the one previously registered. 5. ViewRoot tells the InputQueue that it has finished processing the input event, passing along the original finishedToken. 6. InputQueue throws an exception because the finishedToken's receive pipe fd is registered but the sequence number is incorrect so it assumes that the client has called finish spuriously. The fix is to include a unique connection id within the finishedToken so that the InputQueue can accurately confirm that the token belongs to the currently registered InputChannel rather than to an old one that happened to have the same receive pipe fd. When it notices this, it ignores the spurious finish. I've also made a couple of other small changes to avoid similar races elsewhere. This patch set also includes a fix to synthesize a finished signal when the input channel is unregistered on the client side to help keep the server and client in sync. Bug: 2834068 Change-Id: I1de34a36249ab74c359c2c67a57e333543400f7b
2010-08-17 22:59:26 +00:00
int32_t receiveFd = inputChannel->getReceivePipeFd();
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
mConnectionsByReceiveFd.add(receiveFd, connection);
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
if (monitor) {
mMonitoringChannels.push(inputChannel);
}
Replace epoll() with poll() and rename PollLoop to Looper. As part of this change, consolidated and cleaned up the Looper API so that there are fewer distinctions between the NDK and non-NDK declarations (no need for two callback types, etc.). Removed the dependence on specific constants from sys/poll.h such as POLLIN. Instead looper.h defines events like LOOPER_EVENT_INPUT for the events that it supports. That should help make any future under-the-hood implementation changes easier. Fixed a couple of compiler warnings along the way. Change-Id: I449a7ec780bf061bdd325452f823673e2b39b6ae
2010-09-14 06:17:30 +00:00
mLooper->addFd(receiveFd, 0, ALOOPER_EVENT_INPUT, handleReceiveCallback, this);
Fix possible race conditions during channel unregistration. Previously, the input dispatcher assumed that the input channel's receive pipe file descriptor was a sufficiently unique identifier for looking up input channels in its various tables. However, it can happen that an input channel is disposed and then a new input channel is immediately created that reuses the same file descriptor. Ordinarily this is not a problem, however there is a small opportunity for a race to arise in InputQueue. When InputQueue receives an input event from the dispatcher, it generates a finishedToken that encodes the channel's receive pipe fd, and a sequence number. The finishedToken is used by the ViewRoot as a handle for the event so that it can tell the InputQueue when the event has finished being processed. Here is the race: 1. InputQueue receives an input event, assigns a new finishedToken. 2. ViewRoot begins processing the input event. 3. During processing, ViewRoot unregisters the InputChannel. 4. A new InputChannel is created and is registered with the Input Queue. This InputChannel happens to have the same receive pipe fd as the one previously registered. 5. ViewRoot tells the InputQueue that it has finished processing the input event, passing along the original finishedToken. 6. InputQueue throws an exception because the finishedToken's receive pipe fd is registered but the sequence number is incorrect so it assumes that the client has called finish spuriously. The fix is to include a unique connection id within the finishedToken so that the InputQueue can accurately confirm that the token belongs to the currently registered InputChannel rather than to an old one that happened to have the same receive pipe fd. When it notices this, it ignores the spurious finish. I've also made a couple of other small changes to avoid similar races elsewhere. This patch set also includes a fix to synthesize a finished signal when the input channel is unregistered on the client side to help keep the server and client in sync. Bug: 2834068 Change-Id: I1de34a36249ab74c359c2c67a57e333543400f7b
2010-08-17 22:59:26 +00:00
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
runCommandsLockedInterruptible();
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
} // release lock
return OK;
}
status_t InputDispatcher::unregisterInputChannel(const sp<InputChannel>& inputChannel) {
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
#if DEBUG_REGISTRATION
Native input event dispatching. Target identification is now fully native. Fixed a couple of minor issues related to input injection. Native input enabled by default, can be disabled by setting WindowManagerPolicy.ENABLE_NATIVE_INPUT_DISPATCH to false. Change-Id: I7edf66ed3e987cc9306ad4743ac57a116af452ff
2010-06-22 08:27:15 +00:00
LOGD("channel '%s' ~ unregisterInputChannel", inputChannel->getName().string());
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
#endif
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
{ // acquire lock
AutoMutex _l(mLock);
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
ssize_t connectionIndex = getConnectionIndexLocked(inputChannel);
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
if (connectionIndex < 0) {
LOGW("Attempted to unregister already unregistered input channel '%s'",
inputChannel->getName().string());
return BAD_VALUE;
}
sp<Connection> connection = mConnectionsByReceiveFd.valueAt(connectionIndex);
mConnectionsByReceiveFd.removeItemsAt(connectionIndex);
connection->status = Connection::STATUS_ZOMBIE;
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
for (size_t i = 0; i < mMonitoringChannels.size(); i++) {
if (mMonitoringChannels[i] == inputChannel) {
mMonitoringChannels.removeAt(i);
break;
}
}
Replace epoll() with poll() and rename PollLoop to Looper. As part of this change, consolidated and cleaned up the Looper API so that there are fewer distinctions between the NDK and non-NDK declarations (no need for two callback types, etc.). Removed the dependence on specific constants from sys/poll.h such as POLLIN. Instead looper.h defines events like LOOPER_EVENT_INPUT for the events that it supports. That should help make any future under-the-hood implementation changes easier. Fixed a couple of compiler warnings along the way. Change-Id: I449a7ec780bf061bdd325452f823673e2b39b6ae
2010-09-14 06:17:30 +00:00
mLooper->removeFd(inputChannel->getReceivePipeFd());
Fix possible race conditions during channel unregistration. Previously, the input dispatcher assumed that the input channel's receive pipe file descriptor was a sufficiently unique identifier for looking up input channels in its various tables. However, it can happen that an input channel is disposed and then a new input channel is immediately created that reuses the same file descriptor. Ordinarily this is not a problem, however there is a small opportunity for a race to arise in InputQueue. When InputQueue receives an input event from the dispatcher, it generates a finishedToken that encodes the channel's receive pipe fd, and a sequence number. The finishedToken is used by the ViewRoot as a handle for the event so that it can tell the InputQueue when the event has finished being processed. Here is the race: 1. InputQueue receives an input event, assigns a new finishedToken. 2. ViewRoot begins processing the input event. 3. During processing, ViewRoot unregisters the InputChannel. 4. A new InputChannel is created and is registered with the Input Queue. This InputChannel happens to have the same receive pipe fd as the one previously registered. 5. ViewRoot tells the InputQueue that it has finished processing the input event, passing along the original finishedToken. 6. InputQueue throws an exception because the finishedToken's receive pipe fd is registered but the sequence number is incorrect so it assumes that the client has called finish spuriously. The fix is to include a unique connection id within the finishedToken so that the InputQueue can accurately confirm that the token belongs to the currently registered InputChannel rather than to an old one that happened to have the same receive pipe fd. When it notices this, it ignores the spurious finish. I've also made a couple of other small changes to avoid similar races elsewhere. This patch set also includes a fix to synthesize a finished signal when the input channel is unregistered on the client side to help keep the server and client in sync. Bug: 2834068 Change-Id: I1de34a36249ab74c359c2c67a57e333543400f7b
2010-08-17 22:59:26 +00:00
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
nsecs_t currentTime = now();
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
abortBrokenDispatchCycleLocked(currentTime, connection);
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
runCommandsLockedInterruptible();
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
} // release lock
// Wake the poll loop because removing the connection may have changed the current
// synchronization state.
Replace epoll() with poll() and rename PollLoop to Looper. As part of this change, consolidated and cleaned up the Looper API so that there are fewer distinctions between the NDK and non-NDK declarations (no need for two callback types, etc.). Removed the dependence on specific constants from sys/poll.h such as POLLIN. Instead looper.h defines events like LOOPER_EVENT_INPUT for the events that it supports. That should help make any future under-the-hood implementation changes easier. Fixed a couple of compiler warnings along the way. Change-Id: I449a7ec780bf061bdd325452f823673e2b39b6ae
2010-09-14 06:17:30 +00:00
mLooper->wake();
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
return OK;
}
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
ssize_t InputDispatcher::getConnectionIndexLocked(const sp<InputChannel>& inputChannel) {
Fix possible race conditions during channel unregistration. Previously, the input dispatcher assumed that the input channel's receive pipe file descriptor was a sufficiently unique identifier for looking up input channels in its various tables. However, it can happen that an input channel is disposed and then a new input channel is immediately created that reuses the same file descriptor. Ordinarily this is not a problem, however there is a small opportunity for a race to arise in InputQueue. When InputQueue receives an input event from the dispatcher, it generates a finishedToken that encodes the channel's receive pipe fd, and a sequence number. The finishedToken is used by the ViewRoot as a handle for the event so that it can tell the InputQueue when the event has finished being processed. Here is the race: 1. InputQueue receives an input event, assigns a new finishedToken. 2. ViewRoot begins processing the input event. 3. During processing, ViewRoot unregisters the InputChannel. 4. A new InputChannel is created and is registered with the Input Queue. This InputChannel happens to have the same receive pipe fd as the one previously registered. 5. ViewRoot tells the InputQueue that it has finished processing the input event, passing along the original finishedToken. 6. InputQueue throws an exception because the finishedToken's receive pipe fd is registered but the sequence number is incorrect so it assumes that the client has called finish spuriously. The fix is to include a unique connection id within the finishedToken so that the InputQueue can accurately confirm that the token belongs to the currently registered InputChannel rather than to an old one that happened to have the same receive pipe fd. When it notices this, it ignores the spurious finish. I've also made a couple of other small changes to avoid similar races elsewhere. This patch set also includes a fix to synthesize a finished signal when the input channel is unregistered on the client side to help keep the server and client in sync. Bug: 2834068 Change-Id: I1de34a36249ab74c359c2c67a57e333543400f7b
2010-08-17 22:59:26 +00:00
ssize_t connectionIndex = mConnectionsByReceiveFd.indexOfKey(inputChannel->getReceivePipeFd());
if (connectionIndex >= 0) {
sp<Connection> connection = mConnectionsByReceiveFd.valueAt(connectionIndex);
if (connection->inputChannel.get() == inputChannel.get()) {
return connectionIndex;
}
}
return -1;
}
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
void InputDispatcher::activateConnectionLocked(Connection* connection) {
for (size_t i = 0; i < mActiveConnections.size(); i++) {
if (mActiveConnections.itemAt(i) == connection) {
return;
}
}
mActiveConnections.add(connection);
}
void InputDispatcher::deactivateConnectionLocked(Connection* connection) {
for (size_t i = 0; i < mActiveConnections.size(); i++) {
if (mActiveConnections.itemAt(i) == connection) {
mActiveConnections.removeAt(i);
return;
}
}
}
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
void InputDispatcher::onDispatchCycleStartedLocked(
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
nsecs_t currentTime, const sp<Connection>& connection) {
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
}
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
void InputDispatcher::onDispatchCycleFinishedLocked(
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
nsecs_t currentTime, const sp<Connection>& connection) {
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
}
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
void InputDispatcher::onDispatchCycleBrokenLocked(
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
nsecs_t currentTime, const sp<Connection>& connection) {
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
LOGE("channel '%s' ~ Channel is unrecoverably broken and will be disposed!",
connection->getInputChannelName());
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
CommandEntry* commandEntry = postCommandLocked(
& InputDispatcher::doNotifyInputChannelBrokenLockedInterruptible);
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
commandEntry->connection = connection;
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
}
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
void InputDispatcher::onANRLocked(
nsecs_t currentTime, const InputApplication* application, const InputWindow* window,
nsecs_t eventTime, nsecs_t waitStartTime) {
LOGI("Application is not responding: %s. "
"%01.1fms since event, %01.1fms since wait started",
getApplicationWindowLabelLocked(application, window).string(),
(currentTime - eventTime) / 1000000.0,
(currentTime - waitStartTime) / 1000000.0);
CommandEntry* commandEntry = postCommandLocked(
& InputDispatcher::doNotifyANRLockedInterruptible);
if (application) {
commandEntry->inputApplicationHandle = application->handle;
}
if (window) {
commandEntry->inputChannel = window->inputChannel;
}
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
void InputDispatcher::doNotifyConfigurationChangedInterruptible(
CommandEntry* commandEntry) {
mLock.unlock();
mPolicy->notifyConfigurationChanged(commandEntry->eventTime);
mLock.lock();
}
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
void InputDispatcher::doNotifyInputChannelBrokenLockedInterruptible(
CommandEntry* commandEntry) {
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
sp<Connection> connection = commandEntry->connection;
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
if (connection->status != Connection::STATUS_ZOMBIE) {
mLock.unlock();
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
mPolicy->notifyInputChannelBroken(connection->inputChannel);
mLock.lock();
}
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
}
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
void InputDispatcher::doNotifyANRLockedInterruptible(
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
CommandEntry* commandEntry) {
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
mLock.unlock();
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
nsecs_t newTimeout = mPolicy->notifyANR(
commandEntry->inputApplicationHandle, commandEntry->inputChannel);
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
mLock.lock();
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
resumeAfterTargetsNotReadyTimeoutLocked(newTimeout, commandEntry->inputChannel);
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
void InputDispatcher::doInterceptKeyBeforeDispatchingLockedInterruptible(
CommandEntry* commandEntry) {
KeyEntry* entry = commandEntry->keyEntry;
mReusableKeyEvent.initialize(entry->deviceId, entry->source, entry->action, entry->flags,
entry->keyCode, entry->scanCode, entry->metaState, entry->repeatCount,
entry->downTime, entry->eventTime);
mLock.unlock();
bool consumed = mPolicy->interceptKeyBeforeDispatching(commandEntry->inputChannel,
& mReusableKeyEvent, entry->policyFlags);
mLock.lock();
entry->interceptKeyResult = consumed
? KeyEntry::INTERCEPT_KEY_RESULT_SKIP
: KeyEntry::INTERCEPT_KEY_RESULT_CONTINUE;
mAllocator.releaseKeyEntry(entry);
}
void InputDispatcher::doPokeUserActivityLockedInterruptible(CommandEntry* commandEntry) {
mLock.unlock();
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
mPolicy->pokeUserActivity(commandEntry->eventTime, commandEntry->userActivityEventType);
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
mLock.lock();
}
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
void InputDispatcher::updateDispatchStatisticsLocked(nsecs_t currentTime, const EventEntry* entry,
int32_t injectionResult, nsecs_t timeSpentWaitingForApplication) {
// TODO Write some statistics about how long we spend waiting.
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
void InputDispatcher::dump(String8& dump) {
Minor logging changes to input dispatcher to help with debugging. Added dumpsys reporting to EventHub. Made the formatting a bit clearer. Added 'Locked' suffix to some internal methods of EventHub. Change-Id: Ic449560bcce378f6361895d27c66854e9724abb0
2010-10-02 00:46:21 +00:00
dump.append("Input Dispatcher State:\n");
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
dumpDispatchStateLocked(dump);
}
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
// --- InputDispatcher::Queue ---
template <typename T>
uint32_t InputDispatcher::Queue<T>::count() const {
uint32_t result = 0;
for (const T* entry = headSentinel.next; entry != & tailSentinel; entry = entry->next) {
result += 1;
}
return result;
}
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
// --- InputDispatcher::Allocator ---
InputDispatcher::Allocator::Allocator() {
}
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
InputDispatcher::InjectionState*
InputDispatcher::Allocator::obtainInjectionState(int32_t injectorPid, int32_t injectorUid) {
InjectionState* injectionState = mInjectionStatePool.alloc();
injectionState->refCount = 1;
injectionState->injectorPid = injectorPid;
injectionState->injectorUid = injectorUid;
injectionState->injectionIsAsync = false;
injectionState->injectionResult = INPUT_EVENT_INJECTION_PENDING;
injectionState->pendingForegroundDispatches = 0;
return injectionState;
}
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
void InputDispatcher::Allocator::initializeEventEntry(EventEntry* entry, int32_t type,
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
nsecs_t eventTime, uint32_t policyFlags) {
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
entry->type = type;
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
entry->refCount = 1;
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
entry->dispatchInProgress = false;
Remember to initialize timestamps in the dispatch allocator Change-Id: I83a2d353c34ff84a7d130e602c6dedc6a5541944
2010-06-23 23:50:30 +00:00
entry->eventTime = eventTime;
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
entry->policyFlags = policyFlags;
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
entry->injectionState = NULL;
}
void InputDispatcher::Allocator::releaseEventEntryInjectionState(EventEntry* entry) {
if (entry->injectionState) {
releaseInjectionState(entry->injectionState);
entry->injectionState = NULL;
}
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
}
InputDispatcher::ConfigurationChangedEntry*
InputDispatcher::Allocator::obtainConfigurationChangedEntry(nsecs_t eventTime) {
ConfigurationChangedEntry* entry = mConfigurationChangeEntryPool.alloc();
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
initializeEventEntry(entry, EventEntry::TYPE_CONFIGURATION_CHANGED, eventTime, 0);
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
return entry;
}
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
InputDispatcher::KeyEntry* InputDispatcher::Allocator::obtainKeyEntry(nsecs_t eventTime,
Add support for new input sources. Added several new coordinate values to MotionEvents to capture touch major/minor area, tool major/minor area and orientation. Renamed NDK input constants per convention. Added InputDevice class in Java which will eventually provide useful information about available input devices. Added APIs for manufacturing new MotionEvent objects with multiple pointers and all necessary coordinate data. Fixed a bug in the input dispatcher where it could get stuck with a pointer down forever. Fixed a bug in the WindowManager where the input window list could end up containing stale removed windows. Fixed a bug in the WindowManager where the input channel was being removed only after the final animation transition had taken place which caused spurious WINDOW DIED log messages to be printed. Change-Id: Ie55084da319b20aad29b28a0499b8dd98bb5da68
2010-07-15 01:48:53 +00:00
int32_t deviceId, int32_t source, uint32_t policyFlags, int32_t action,
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
int32_t flags, int32_t keyCode, int32_t scanCode, int32_t metaState,
int32_t repeatCount, nsecs_t downTime) {
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
KeyEntry* entry = mKeyEntryPool.alloc();
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
initializeEventEntry(entry, EventEntry::TYPE_KEY, eventTime, policyFlags);
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
entry->deviceId = deviceId;
Add support for new input sources. Added several new coordinate values to MotionEvents to capture touch major/minor area, tool major/minor area and orientation. Renamed NDK input constants per convention. Added InputDevice class in Java which will eventually provide useful information about available input devices. Added APIs for manufacturing new MotionEvent objects with multiple pointers and all necessary coordinate data. Fixed a bug in the input dispatcher where it could get stuck with a pointer down forever. Fixed a bug in the WindowManager where the input window list could end up containing stale removed windows. Fixed a bug in the WindowManager where the input channel was being removed only after the final animation transition had taken place which caused spurious WINDOW DIED log messages to be printed. Change-Id: Ie55084da319b20aad29b28a0499b8dd98bb5da68
2010-07-15 01:48:53 +00:00
entry->source = source;
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
entry->action = action;
entry->flags = flags;
entry->keyCode = keyCode;
entry->scanCode = scanCode;
entry->metaState = metaState;
entry->repeatCount = repeatCount;
entry->downTime = downTime;
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
entry->syntheticRepeat = false;
entry->interceptKeyResult = KeyEntry::INTERCEPT_KEY_RESULT_UNKNOWN;
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
return entry;
}
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
InputDispatcher::MotionEntry* InputDispatcher::Allocator::obtainMotionEntry(nsecs_t eventTime,
Add support for secure views. Added the MotionEvent.FLAG_WINDOW_IS_OBSCURED flag which is set by the input manager whenever another visible window is partly or wholly obscured the target of a touch event so that applications can filter touches accordingly. Added a "filterTouchesWhenObscured" attribute to View which can be used to enable filtering of touches when the view's window is obscured. Change-Id: I936d9c85013fd2d77fb296a600528d30a29027d2
2010-09-02 00:01:00 +00:00
int32_t deviceId, int32_t source, uint32_t policyFlags, int32_t action, int32_t flags,
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
int32_t metaState, int32_t edgeFlags, float xPrecision, float yPrecision,
nsecs_t downTime, uint32_t pointerCount,
const int32_t* pointerIds, const PointerCoords* pointerCoords) {
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
MotionEntry* entry = mMotionEntryPool.alloc();
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
initializeEventEntry(entry, EventEntry::TYPE_MOTION, eventTime, policyFlags);
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
entry->eventTime = eventTime;
entry->deviceId = deviceId;
Add support for new input sources. Added several new coordinate values to MotionEvents to capture touch major/minor area, tool major/minor area and orientation. Renamed NDK input constants per convention. Added InputDevice class in Java which will eventually provide useful information about available input devices. Added APIs for manufacturing new MotionEvent objects with multiple pointers and all necessary coordinate data. Fixed a bug in the input dispatcher where it could get stuck with a pointer down forever. Fixed a bug in the WindowManager where the input window list could end up containing stale removed windows. Fixed a bug in the WindowManager where the input channel was being removed only after the final animation transition had taken place which caused spurious WINDOW DIED log messages to be printed. Change-Id: Ie55084da319b20aad29b28a0499b8dd98bb5da68
2010-07-15 01:48:53 +00:00
entry->source = source;
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
entry->action = action;
Add support for secure views. Added the MotionEvent.FLAG_WINDOW_IS_OBSCURED flag which is set by the input manager whenever another visible window is partly or wholly obscured the target of a touch event so that applications can filter touches accordingly. Added a "filterTouchesWhenObscured" attribute to View which can be used to enable filtering of touches when the view's window is obscured. Change-Id: I936d9c85013fd2d77fb296a600528d30a29027d2
2010-09-02 00:01:00 +00:00
entry->flags = flags;
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
entry->metaState = metaState;
entry->edgeFlags = edgeFlags;
entry->xPrecision = xPrecision;
entry->yPrecision = yPrecision;
entry->downTime = downTime;
entry->pointerCount = pointerCount;
entry->firstSample.eventTime = eventTime;
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
entry->firstSample.next = NULL;
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
entry->lastSample = & entry->firstSample;
for (uint32_t i = 0; i < pointerCount; i++) {
entry->pointerIds[i] = pointerIds[i];
entry->firstSample.pointerCoords[i] = pointerCoords[i];
}
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
return entry;
}
InputDispatcher::DispatchEntry* InputDispatcher::Allocator::obtainDispatchEntry(
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
EventEntry* eventEntry,
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
int32_t targetFlags, float xOffset, float yOffset) {
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
DispatchEntry* entry = mDispatchEntryPool.alloc();
entry->eventEntry = eventEntry;
eventEntry->refCount += 1;
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
entry->targetFlags = targetFlags;
entry->xOffset = xOffset;
entry->yOffset = yOffset;
entry->inProgress = false;
entry->headMotionSample = NULL;
entry->tailMotionSample = NULL;
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
return entry;
}
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
InputDispatcher::CommandEntry* InputDispatcher::Allocator::obtainCommandEntry(Command command) {
CommandEntry* entry = mCommandEntryPool.alloc();
entry->command = command;
return entry;
}
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
void InputDispatcher::Allocator::releaseInjectionState(InjectionState* injectionState) {
injectionState->refCount -= 1;
if (injectionState->refCount == 0) {
mInjectionStatePool.free(injectionState);
} else {
assert(injectionState->refCount > 0);
}
}
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
void InputDispatcher::Allocator::releaseEventEntry(EventEntry* entry) {
switch (entry->type) {
case EventEntry::TYPE_CONFIGURATION_CHANGED:
releaseConfigurationChangedEntry(static_cast<ConfigurationChangedEntry*>(entry));
break;
case EventEntry::TYPE_KEY:
releaseKeyEntry(static_cast<KeyEntry*>(entry));
break;
case EventEntry::TYPE_MOTION:
releaseMotionEntry(static_cast<MotionEntry*>(entry));
break;
default:
assert(false);
break;
}
}
void InputDispatcher::Allocator::releaseConfigurationChangedEntry(
ConfigurationChangedEntry* entry) {
entry->refCount -= 1;
if (entry->refCount == 0) {
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
releaseEventEntryInjectionState(entry);
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
mConfigurationChangeEntryPool.free(entry);
} else {
assert(entry->refCount > 0);
}
}
void InputDispatcher::Allocator::releaseKeyEntry(KeyEntry* entry) {
entry->refCount -= 1;
if (entry->refCount == 0) {
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
releaseEventEntryInjectionState(entry);
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
mKeyEntryPool.free(entry);
} else {
assert(entry->refCount > 0);
}
}
void InputDispatcher::Allocator::releaseMotionEntry(MotionEntry* entry) {
entry->refCount -= 1;
if (entry->refCount == 0) {
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
releaseEventEntryInjectionState(entry);
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
for (MotionSample* sample = entry->firstSample.next; sample != NULL; ) {
MotionSample* next = sample->next;
mMotionSamplePool.free(sample);
sample = next;
}
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
mMotionEntryPool.free(entry);
} else {
assert(entry->refCount > 0);
}
}
void InputDispatcher::Allocator::releaseDispatchEntry(DispatchEntry* entry) {
releaseEventEntry(entry->eventEntry);
mDispatchEntryPool.free(entry);
}
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
void InputDispatcher::Allocator::releaseCommandEntry(CommandEntry* entry) {
mCommandEntryPool.free(entry);
}
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
void InputDispatcher::Allocator::appendMotionSample(MotionEntry* motionEntry,
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
nsecs_t eventTime, const PointerCoords* pointerCoords) {
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
MotionSample* sample = mMotionSamplePool.alloc();
sample->eventTime = eventTime;
More native input event dispatching. Added ANRs handling. Added event injection. Fixed a NPE ActivityManagerServer writing ANRs to the drop box. Fixed HOME key interception. Fixed trackball reporting. Fixed pointer rotation in landscape mode. Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
2010-06-18 03:52:56 +00:00
uint32_t pointerCount = motionEntry->pointerCount;
for (uint32_t i = 0; i < pointerCount; i++) {
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
sample->pointerCoords[i] = pointerCoords[i];
}
sample->next = NULL;
motionEntry->lastSample->next = sample;
motionEntry->lastSample = sample;
}
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
void InputDispatcher::Allocator::recycleKeyEntry(KeyEntry* keyEntry) {
releaseEventEntryInjectionState(keyEntry);
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
keyEntry->dispatchInProgress = false;
keyEntry->syntheticRepeat = false;
keyEntry->interceptKeyResult = KeyEntry::INTERCEPT_KEY_RESULT_UNKNOWN;
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
Add support for throttling motion events. Change-Id: I24b3a17753e91ecda60a60fe5cd2e6b3260e033d
2010-08-18 22:51:08 +00:00
// --- InputDispatcher::MotionEntry ---
uint32_t InputDispatcher::MotionEntry::countSamples() const {
uint32_t count = 1;
for (MotionSample* sample = firstSample.next; sample != NULL; sample = sample->next) {
count += 1;
}
return count;
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
// --- InputDispatcher::InputState ---
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
InputDispatcher::InputState::InputState() {
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
InputDispatcher::InputState::~InputState() {
}
bool InputDispatcher::InputState::isNeutral() const {
return mKeyMementos.isEmpty() && mMotionMementos.isEmpty();
}
InputDispatcher::InputState::Consistency InputDispatcher::InputState::trackEvent(
const EventEntry* entry) {
switch (entry->type) {
case EventEntry::TYPE_KEY:
return trackKey(static_cast<const KeyEntry*>(entry));
case EventEntry::TYPE_MOTION:
return trackMotion(static_cast<const MotionEntry*>(entry));
default:
return CONSISTENT;
}
}
InputDispatcher::InputState::Consistency InputDispatcher::InputState::trackKey(
const KeyEntry* entry) {
int32_t action = entry->action;
for (size_t i = 0; i < mKeyMementos.size(); i++) {
KeyMemento& memento = mKeyMementos.editItemAt(i);
if (memento.deviceId == entry->deviceId
&& memento.source == entry->source
&& memento.keyCode == entry->keyCode
&& memento.scanCode == entry->scanCode) {
switch (action) {
case AKEY_EVENT_ACTION_UP:
mKeyMementos.removeAt(i);
return CONSISTENT;
case AKEY_EVENT_ACTION_DOWN:
return TOLERABLE;
default:
return BROKEN;
}
}
}
switch (action) {
case AKEY_EVENT_ACTION_DOWN: {
mKeyMementos.push();
KeyMemento& memento = mKeyMementos.editTop();
memento.deviceId = entry->deviceId;
memento.source = entry->source;
memento.keyCode = entry->keyCode;
memento.scanCode = entry->scanCode;
memento.downTime = entry->downTime;
return CONSISTENT;
}
default:
return BROKEN;
}
}
InputDispatcher::InputState::Consistency InputDispatcher::InputState::trackMotion(
const MotionEntry* entry) {
int32_t action = entry->action & AMOTION_EVENT_ACTION_MASK;
for (size_t i = 0; i < mMotionMementos.size(); i++) {
MotionMemento& memento = mMotionMementos.editItemAt(i);
if (memento.deviceId == entry->deviceId
&& memento.source == entry->source) {
switch (action) {
case AMOTION_EVENT_ACTION_UP:
case AMOTION_EVENT_ACTION_CANCEL:
mMotionMementos.removeAt(i);
return CONSISTENT;
case AMOTION_EVENT_ACTION_DOWN:
return TOLERABLE;
case AMOTION_EVENT_ACTION_POINTER_DOWN:
if (entry->pointerCount == memento.pointerCount + 1) {
memento.setPointers(entry);
return CONSISTENT;
}
return BROKEN;
case AMOTION_EVENT_ACTION_POINTER_UP:
if (entry->pointerCount == memento.pointerCount - 1) {
memento.setPointers(entry);
return CONSISTENT;
}
return BROKEN;
case AMOTION_EVENT_ACTION_MOVE:
if (entry->pointerCount == memento.pointerCount) {
return CONSISTENT;
}
return BROKEN;
default:
return BROKEN;
}
}
}
switch (action) {
case AMOTION_EVENT_ACTION_DOWN: {
mMotionMementos.push();
MotionMemento& memento = mMotionMementos.editTop();
memento.deviceId = entry->deviceId;
memento.source = entry->source;
memento.xPrecision = entry->xPrecision;
memento.yPrecision = entry->yPrecision;
memento.downTime = entry->downTime;
memento.setPointers(entry);
return CONSISTENT;
}
default:
return BROKEN;
}
}
void InputDispatcher::InputState::MotionMemento::setPointers(const MotionEntry* entry) {
pointerCount = entry->pointerCount;
for (uint32_t i = 0; i < entry->pointerCount; i++) {
pointerIds[i] = entry->pointerIds[i];
pointerCoords[i] = entry->lastSample->pointerCoords[i];
}
}
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
void InputDispatcher::InputState::synthesizeCancelationEvents(nsecs_t currentTime,
Allocator* allocator, Vector<EventEntry*>& outEvents,
CancelationOptions options) {
for (size_t i = 0; i < mKeyMementos.size(); ) {
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
const KeyMemento& memento = mKeyMementos.itemAt(i);
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
if (shouldCancelEvent(memento.source, options)) {
outEvents.push(allocator->obtainKeyEntry(currentTime,
memento.deviceId, memento.source, 0,
AKEY_EVENT_ACTION_UP, AKEY_EVENT_FLAG_CANCELED,
memento.keyCode, memento.scanCode, 0, 0, memento.downTime));
mKeyMementos.removeAt(i);
} else {
i += 1;
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
Fix a bug synthesizing cancelation events for motions. Change-Id: I881c0fa16c1d22c4b1b6cca24deb0105405ff5b0
2010-10-12 01:22:53 +00:00
for (size_t i = 0; i < mMotionMementos.size(); ) {
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
const MotionMemento& memento = mMotionMementos.itemAt(i);
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
if (shouldCancelEvent(memento.source, options)) {
outEvents.push(allocator->obtainMotionEntry(currentTime,
memento.deviceId, memento.source, 0,
AMOTION_EVENT_ACTION_CANCEL, 0, 0, 0,
memento.xPrecision, memento.yPrecision, memento.downTime,
memento.pointerCount, memento.pointerIds, memento.pointerCoords));
mMotionMementos.removeAt(i);
} else {
i += 1;
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
}
void InputDispatcher::InputState::clear() {
mKeyMementos.clear();
mMotionMementos.clear();
Added more robust tracking and cancelation of events. This change fixes several issues where events would be dropped in the input dispatch pipeline in such a way that the dispatcher could not accurately track the state of the input device. Given more robust tracking, we can now also provide robust cancelation of input events in cases where an application might otherwise become out of sync with the event stream due to ANR, app switch, policy decisions, or forced focus transitions. Pruned some of the input dispatcher log output. Moved the responsibility for calling intercept*BeforeQueueing into the input dispatcher instead of the input reader and added support for early interception of injected events for events coming from trusted sources. This enables behaviors like injection of media keys while the screen is off, haptic feedback of injected virtual keys, so injected events become more "first class" in a way. Change-Id: Iec6ff1dd21e5f3c7feb80ea4feb5382bd090dbd9
2010-10-09 05:31:17 +00:00
}
bool InputDispatcher::InputState::shouldCancelEvent(int32_t eventSource,
CancelationOptions options) {
switch (options) {
case CANCEL_POINTER_EVENTS:
return eventSource & AINPUT_SOURCE_CLASS_POINTER;
case CANCEL_NON_POINTER_EVENTS:
return !(eventSource & AINPUT_SOURCE_CLASS_POINTER);
default:
return true;
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
}
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
// --- InputDispatcher::Connection ---
InputDispatcher::Connection::Connection(const sp<InputChannel>& inputChannel) :
status(STATUS_NORMAL), inputChannel(inputChannel), inputPublisher(inputChannel),
Make input dispatcher only ANR for foreground windows. Redesigned the input dispatcher's ANR timeout mechanism so it is much closer to Froyo's policy. ANR is only ever signalled if the dispatcher is waiting on a window to finish processing its previous event(s) and there is new pending input. In the old code, we tracked the dispatch timeout separately for each input channel. This was somewhat complicated and also resulted in the situation where applications could ANR long after the user had pushed them into the background. Change-Id: I666ecada0952d4b95f1d67b9f733842b745c7f4b
2010-09-15 22:18:56 +00:00
lastEventTime(LONG_LONG_MAX), lastDispatchTime(LONG_LONG_MAX) {
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
}
InputDispatcher::Connection::~Connection() {
}
status_t InputDispatcher::Connection::initialize() {
return inputPublisher.initialize();
}
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
const char* InputDispatcher::Connection::getStatusLabel() const {
switch (status) {
case STATUS_NORMAL:
return "NORMAL";
case STATUS_BROKEN:
return "BROKEN";
case STATUS_ZOMBIE:
return "ZOMBIE";
default:
return "UNKNOWN";
}
}
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
InputDispatcher::DispatchEntry* InputDispatcher::Connection::findQueuedDispatchEntryForEvent(
const EventEntry* eventEntry) const {
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
for (DispatchEntry* dispatchEntry = outboundQueue.tailSentinel.prev;
dispatchEntry != & outboundQueue.headSentinel; dispatchEntry = dispatchEntry->prev) {
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
if (dispatchEntry->eventEntry == eventEntry) {
return dispatchEntry;
}
}
return NULL;
}
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
// --- InputDispatcher::CommandEntry ---
Input dispatcher ANR handling enhancements. This change is essentially a rewrite of the main input dispatcher loop with the target identification folded in. Since the input dispatcher now has all of the window state, it can make better decisions about when to ANR. Added a .5 second deadline for processing app switch keys. This behavior predates Gingerbread but had not previously been ported. Fixed some timing inaccuracies in the ANR accounting that could cause applications to ANR sooner than they should have. Added a mechanism for tracking key and motion events that have been dispatched to a window so that appropriate cancelation events can be synthesized when recovering from ANR. This change helps to keep applications in sync so they don't end up with stuck buttons upon recovery from ANRs. Added more comments to describe the tricky parts of PollLoop. Change-Id: I13dffca27acb436fc383980db536abc4d8b9e6f1
2010-09-08 18:49:43 +00:00
InputDispatcher::CommandEntry::CommandEntry() :
keyEntry(NULL) {
More work in progress on native events. Refactored the code to eliminate potential deadlocks due to re-entrant calls from the policy into the dispatcher. Also added some plumbing that will be used to notify the framework about ANRs. Change-Id: Iba7a10de0cb3c56cd7520d6ce716db52fdcc94ff
2010-06-15 08:31:58 +00:00
}
InputDispatcher::CommandEntry::~CommandEntry() {
}
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
Add suuport for splitting touch events across windows. This feature is currently used to enable dragging the start and end selection handles of a TextView at the same time. Could be used for other things later. Deleted some dead code in ArrowKeyMovementMethod and CursorControllers. Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
2010-09-27 05:20:12 +00:00
// --- InputDispatcher::TouchState ---
InputDispatcher::TouchState::TouchState() :
down(false), split(false) {
}
InputDispatcher::TouchState::~TouchState() {
}
void InputDispatcher::TouchState::reset() {
down = false;
split = false;
windows.clear();
}
void InputDispatcher::TouchState::copyFrom(const TouchState& other) {
down = other.down;
split = other.split;
windows.clear();
windows.appendVector(other.windows);
}
void InputDispatcher::TouchState::addOrUpdateWindow(const InputWindow* window,
int32_t targetFlags, BitSet32 pointerIds) {
if (targetFlags & InputTarget::FLAG_SPLIT) {
split = true;
}
for (size_t i = 0; i < windows.size(); i++) {
TouchedWindow& touchedWindow = windows.editItemAt(i);
if (touchedWindow.window == window) {
touchedWindow.targetFlags |= targetFlags;
touchedWindow.pointerIds.value |= pointerIds.value;
return;
}
}
windows.push();
TouchedWindow& touchedWindow = windows.editTop();
touchedWindow.window = window;
touchedWindow.targetFlags = targetFlags;
touchedWindow.pointerIds = pointerIds;
touchedWindow.channel = window->inputChannel;
}
void InputDispatcher::TouchState::removeOutsideTouchWindows() {
for (size_t i = 0 ; i < windows.size(); ) {
if (windows[i].targetFlags & InputTarget::FLAG_OUTSIDE) {
windows.removeAt(i);
} else {
i += 1;
}
}
}
const InputWindow* InputDispatcher::TouchState::getFirstForegroundWindow() {
for (size_t i = 0; i < windows.size(); i++) {
if (windows[i].targetFlags & InputTarget::FLAG_FOREGROUND) {
return windows[i].window;
}
}
return NULL;
}
Native input dispatch rewrite work in progress. The old dispatch mechanism has been left in place and continues to be used by default for now. To enable native input dispatch, edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy. Includes part of the new input event NDK API. Some details TBD. To wire up input dispatch, as the ViewRoot adds a window to the window session it receives an InputChannel object as an output argument. The InputChannel encapsulates the file descriptors for a shared memory region and two pipe end-points. The ViewRoot then provides the InputChannel to the InputQueue. Behind the scenes, InputQueue simply attaches handlers to the native PollLoop object that underlies the MessageQueue. This way MessageQueue doesn't need to know anything about input dispatch per-se, it just exposes (in native code) a PollLoop that other components can use to monitor file descriptor state changes. There can be zero or more targets for any given input event. Each input target is specified by its input channel and some parameters including flags, an X/Y coordinate offset, and the dispatch timeout. An input target can request either synchronous dispatch (for foreground apps) or asynchronous dispatch (fire-and-forget for wallpapers and "outside" targets). Currently, finding the appropriate input targets for an event requires a call back into the WindowManagerServer from native code. In the future this will be refactored to avoid most of these callbacks except as required to handle pending focus transitions. End-to-end event dispatch mostly works! To do: event injection, rate limiting, ANRs, testing, optimization, etc. Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
2010-04-23 01:58:52 +00:00
// --- InputDispatcherThread ---
InputDispatcherThread::InputDispatcherThread(const sp<InputDispatcherInterface>& dispatcher) :
Thread(/*canCallJava*/ true), mDispatcher(dispatcher) {
}
InputDispatcherThread::~InputDispatcherThread() {
}
bool InputDispatcherThread::threadLoop() {
mDispatcher->dispatchOnce();
return true;
}
} // namespace android
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