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Move inputservice over to frameworks/native

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Add all of the underlying input system pieces, minux PointerController and
SpriteController, to inputflinger. This is in preparation for moving input to
its own process and the addition of the input HAL.

Try 2.

Change-Id: I5f571fe86eb570885ae994e1f0552fb558930346
This commit is contained in:
Michael Wright 2014-02-10 15:10:22 -08:00
parent 1b1fe314c4
commit d02c5b6aac
20 changed files with 22580 additions and 2 deletions
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8
include/powermanager/PowerManager.h
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@ -24,6 +24,14 @@ enum {
POWERMANAGER_PARTIAL_WAKE_LOCK = 1, // equals PowerManager.PARTIAL_WAKE_LOCK constant
};
enum {
USER_ACTIVITY_EVENT_OTHER = 0,
USER_ACTIVITY_EVENT_BUTTON = 1,
USER_ACTIVITY_EVENT_TOUCH = 2,
USER_ACTIVITY_EVENT_LAST = USER_ACTIVITY_EVENT_TOUCH, // Last valid event code.
};
}; // namespace android
#endif // ANDROID_POWERMANAGER_H

17
services/inputflinger/Android.mk
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@ -16,6 +16,13 @@ LOCAL_PATH:= $(call my-dir)
include $(CLEAR_VARS)
LOCAL_SRC_FILES:= \
EventHub.cpp \
InputApplication.cpp \
InputDispatcher.cpp \
InputListener.cpp \
InputManager.cpp \
InputReader.cpp \
InputWindow.cpp \
InputFlinger.cpp
LOCAL_SHARED_LIBRARIES := \
@ -23,9 +30,15 @@ LOCAL_SHARED_LIBRARIES := \
libcutils \
libinput \
liblog \
libutils
libutils \
libui \
libhardware_legacy
LOCAL_CFLAGS += -fvisibility=hidden
# TODO: Move inputflinger to its own process and mark it hidden
#LOCAL_CFLAGS += -fvisibility=hidden
LOCAL_CFLAGS += -Wno-unused-parameter
LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)

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services/inputflinger/EventHub.cpp Normal file
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457
services/inputflinger/EventHub.h Normal file
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@ -0,0 +1,457 @@
/*
* Copyright (C) 2005 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
//
#ifndef _RUNTIME_EVENT_HUB_H
#define _RUNTIME_EVENT_HUB_H
#include <input/Input.h>
#include <input/InputDevice.h>
#include <input/Keyboard.h>
#include <input/KeyLayoutMap.h>
#include <input/KeyCharacterMap.h>
#include <input/VirtualKeyMap.h>
#include <utils/String8.h>
#include <utils/threads.h>
#include <utils/Log.h>
#include <utils/threads.h>
#include <utils/List.h>
#include <utils/Errors.h>
#include <utils/PropertyMap.h>
#include <utils/Vector.h>
#include <utils/KeyedVector.h>
#include <utils/BitSet.h>
#include <linux/input.h>
#include <sys/epoll.h>
/* Convenience constants. */
#define BTN_FIRST 0x100 // first button code
#define BTN_LAST 0x15f // last button code
/*
* These constants are used privately in Android to pass raw timestamps
* through evdev from uinput device drivers because there is currently no
* other way to transfer this information. The evdev driver automatically
* timestamps all input events with the time they were posted and clobbers
* whatever information was passed in.
*
* For the purposes of this hack, the timestamp is specified in the
* CLOCK_MONOTONIC timebase and is split into two EV_MSC events specifying
* seconds and microseconds.
*/
#define MSC_ANDROID_TIME_SEC 0x6
#define MSC_ANDROID_TIME_USEC 0x7
namespace android {
enum {
// Device id of a special "virtual" keyboard that is always present.
VIRTUAL_KEYBOARD_ID = -1,
// Device id of the "built-in" keyboard if there is one.
BUILT_IN_KEYBOARD_ID = 0,
};
/*
* A raw event as retrieved from the EventHub.
*/
struct RawEvent {
nsecs_t when;
int32_t deviceId;
int32_t type;
int32_t code;
int32_t value;
};
/* Describes an absolute axis. */
struct RawAbsoluteAxisInfo {
bool valid; // true if the information is valid, false otherwise
int32_t minValue; // minimum value
int32_t maxValue; // maximum value
int32_t flat; // center flat position, eg. flat == 8 means center is between -8 and 8
int32_t fuzz; // error tolerance, eg. fuzz == 4 means value is +/- 4 due to noise
int32_t resolution; // resolution in units per mm or radians per mm
inline void clear() {
valid = false;
minValue = 0;
maxValue = 0;
flat = 0;
fuzz = 0;
resolution = 0;
}
};
/*
* Input device classes.
*/
enum {
/* The input device is a keyboard or has buttons. */
INPUT_DEVICE_CLASS_KEYBOARD = 0x00000001,
/* The input device is an alpha-numeric keyboard (not just a dial pad). */
INPUT_DEVICE_CLASS_ALPHAKEY = 0x00000002,
/* The input device is a touchscreen or a touchpad (either single-touch or multi-touch). */
INPUT_DEVICE_CLASS_TOUCH = 0x00000004,
/* The input device is a cursor device such as a trackball or mouse. */
INPUT_DEVICE_CLASS_CURSOR = 0x00000008,
/* The input device is a multi-touch touchscreen. */
INPUT_DEVICE_CLASS_TOUCH_MT = 0x00000010,
/* The input device is a directional pad (implies keyboard, has DPAD keys). */
INPUT_DEVICE_CLASS_DPAD = 0x00000020,
/* The input device is a gamepad (implies keyboard, has BUTTON keys). */
INPUT_DEVICE_CLASS_GAMEPAD = 0x00000040,
/* The input device has switches. */
INPUT_DEVICE_CLASS_SWITCH = 0x00000080,
/* The input device is a joystick (implies gamepad, has joystick absolute axes). */
INPUT_DEVICE_CLASS_JOYSTICK = 0x00000100,
/* The input device has a vibrator (supports FF_RUMBLE). */
INPUT_DEVICE_CLASS_VIBRATOR = 0x00000200,
/* The input device is virtual (not a real device, not part of UI configuration). */
INPUT_DEVICE_CLASS_VIRTUAL = 0x40000000,
/* The input device is external (not built-in). */
INPUT_DEVICE_CLASS_EXTERNAL = 0x80000000,
};
/*
* Gets the class that owns an axis, in cases where multiple classes might claim
* the same axis for different purposes.
*/
extern uint32_t getAbsAxisUsage(int32_t axis, uint32_t deviceClasses);
/*
* Grand Central Station for events.
*
* The event hub aggregates input events received across all known input
* devices on the system, including devices that may be emulated by the simulator
* environment. In addition, the event hub generates fake input events to indicate
* when devices are added or removed.
*
* The event hub provides a stream of input events (via the getEvent function).
* It also supports querying the current actual state of input devices such as identifying
* which keys are currently down. Finally, the event hub keeps track of the capabilities of
* individual input devices, such as their class and the set of key codes that they support.
*/
class EventHubInterface : public virtual RefBase {
protected:
EventHubInterface() { }
virtual ~EventHubInterface() { }
public:
// Synthetic raw event type codes produced when devices are added or removed.
enum {
// Sent when a device is added.
DEVICE_ADDED = 0x10000000,
// Sent when a device is removed.
DEVICE_REMOVED = 0x20000000,
// Sent when all added/removed devices from the most recent scan have been reported.
// This event is always sent at least once.
FINISHED_DEVICE_SCAN = 0x30000000,
FIRST_SYNTHETIC_EVENT = DEVICE_ADDED,
};
virtual uint32_t getDeviceClasses(int32_t deviceId) const = 0;
virtual InputDeviceIdentifier getDeviceIdentifier(int32_t deviceId) const = 0;
virtual int32_t getDeviceControllerNumber(int32_t deviceId) const = 0;
virtual void getConfiguration(int32_t deviceId, PropertyMap* outConfiguration) const = 0;
virtual status_t getAbsoluteAxisInfo(int32_t deviceId, int axis,
RawAbsoluteAxisInfo* outAxisInfo) const = 0;
virtual bool hasRelativeAxis(int32_t deviceId, int axis) const = 0;
virtual bool hasInputProperty(int32_t deviceId, int property) const = 0;
virtual status_t mapKey(int32_t deviceId, int32_t scanCode, int32_t usageCode,
int32_t* outKeycode, uint32_t* outFlags) const = 0;
virtual status_t mapAxis(int32_t deviceId, int32_t scanCode,
AxisInfo* outAxisInfo) const = 0;
// Sets devices that are excluded from opening.
// This can be used to ignore input devices for sensors.
virtual void setExcludedDevices(const Vector<String8>& devices) = 0;
/*
* Wait for events to become available and returns them.
* After returning, the EventHub holds onto a wake lock until the next call to getEvent.
* This ensures that the device will not go to sleep while the event is being processed.
* If the device needs to remain awake longer than that, then the caller is responsible
* for taking care of it (say, by poking the power manager user activity timer).
*
* The timeout is advisory only. If the device is asleep, it will not wake just to
* service the timeout.
*
* Returns the number of events obtained, or 0 if the timeout expired.
*/
virtual size_t getEvents(int timeoutMillis, RawEvent* buffer, size_t bufferSize) = 0;
/*
* Query current input state.
*/
virtual int32_t getScanCodeState(int32_t deviceId, int32_t scanCode) const = 0;
virtual int32_t getKeyCodeState(int32_t deviceId, int32_t keyCode) const = 0;
virtual int32_t getSwitchState(int32_t deviceId, int32_t sw) const = 0;
virtual status_t getAbsoluteAxisValue(int32_t deviceId, int32_t axis,
int32_t* outValue) const = 0;
/*
* Examine key input devices for specific framework keycode support
*/
virtual bool markSupportedKeyCodes(int32_t deviceId, size_t numCodes, const int32_t* keyCodes,
uint8_t* outFlags) const = 0;
virtual bool hasScanCode(int32_t deviceId, int32_t scanCode) const = 0;
/* LED related functions expect Android LED constants, not scan codes or HID usages */
virtual bool hasLed(int32_t deviceId, int32_t led) const = 0;
virtual void setLedState(int32_t deviceId, int32_t led, bool on) = 0;
virtual void getVirtualKeyDefinitions(int32_t deviceId,
Vector<VirtualKeyDefinition>& outVirtualKeys) const = 0;
virtual sp<KeyCharacterMap> getKeyCharacterMap(int32_t deviceId) const = 0;
virtual bool setKeyboardLayoutOverlay(int32_t deviceId, const sp<KeyCharacterMap>& map) = 0;
/* Control the vibrator. */
virtual void vibrate(int32_t deviceId, nsecs_t duration) = 0;
virtual void cancelVibrate(int32_t deviceId) = 0;
/* Requests the EventHub to reopen all input devices on the next call to getEvents(). */
virtual void requestReopenDevices() = 0;
/* Wakes up getEvents() if it is blocked on a read. */
virtual void wake() = 0;
/* Dump EventHub state to a string. */
virtual void dump(String8& dump) = 0;
/* Called by the heatbeat to ensures that the reader has not deadlocked. */
virtual void monitor() = 0;
};
class EventHub : public EventHubInterface
{
public:
EventHub();
virtual uint32_t getDeviceClasses(int32_t deviceId) const;
virtual InputDeviceIdentifier getDeviceIdentifier(int32_t deviceId) const;
virtual int32_t getDeviceControllerNumber(int32_t deviceId) const;
virtual void getConfiguration(int32_t deviceId, PropertyMap* outConfiguration) const;
virtual status_t getAbsoluteAxisInfo(int32_t deviceId, int axis,
RawAbsoluteAxisInfo* outAxisInfo) const;
virtual bool hasRelativeAxis(int32_t deviceId, int axis) const;
virtual bool hasInputProperty(int32_t deviceId, int property) const;
virtual status_t mapKey(int32_t deviceId, int32_t scanCode, int32_t usageCode,
int32_t* outKeycode, uint32_t* outFlags) const;
virtual status_t mapAxis(int32_t deviceId, int32_t scanCode,
AxisInfo* outAxisInfo) const;
virtual void setExcludedDevices(const Vector<String8>& devices);
virtual int32_t getScanCodeState(int32_t deviceId, int32_t scanCode) const;
virtual int32_t getKeyCodeState(int32_t deviceId, int32_t keyCode) const;
virtual int32_t getSwitchState(int32_t deviceId, int32_t sw) const;
virtual status_t getAbsoluteAxisValue(int32_t deviceId, int32_t axis, int32_t* outValue) const;
virtual bool markSupportedKeyCodes(int32_t deviceId, size_t numCodes,
const int32_t* keyCodes, uint8_t* outFlags) const;
virtual size_t getEvents(int timeoutMillis, RawEvent* buffer, size_t bufferSize);
virtual bool hasScanCode(int32_t deviceId, int32_t scanCode) const;
virtual bool hasLed(int32_t deviceId, int32_t led) const;
virtual void setLedState(int32_t deviceId, int32_t led, bool on);
virtual void getVirtualKeyDefinitions(int32_t deviceId,
Vector<VirtualKeyDefinition>& outVirtualKeys) const;
virtual sp<KeyCharacterMap> getKeyCharacterMap(int32_t deviceId) const;
virtual bool setKeyboardLayoutOverlay(int32_t deviceId, const sp<KeyCharacterMap>& map);
virtual void vibrate(int32_t deviceId, nsecs_t duration);
virtual void cancelVibrate(int32_t deviceId);
virtual void requestReopenDevices();
virtual void wake();
virtual void dump(String8& dump);
virtual void monitor();
protected:
virtual ~EventHub();
private:
struct Device {
Device* next;
int fd; // may be -1 if device is virtual
const int32_t id;
const String8 path;
const InputDeviceIdentifier identifier;
uint32_t classes;
uint8_t keyBitmask[(KEY_MAX + 1) / 8];
uint8_t absBitmask[(ABS_MAX + 1) / 8];
uint8_t relBitmask[(REL_MAX + 1) / 8];
uint8_t swBitmask[(SW_MAX + 1) / 8];
uint8_t ledBitmask[(LED_MAX + 1) / 8];
uint8_t ffBitmask[(FF_MAX + 1) / 8];
uint8_t propBitmask[(INPUT_PROP_MAX + 1) / 8];
String8 configurationFile;
PropertyMap* configuration;
VirtualKeyMap* virtualKeyMap;
KeyMap keyMap;
sp<KeyCharacterMap> overlayKeyMap;
sp<KeyCharacterMap> combinedKeyMap;
bool ffEffectPlaying;
int16_t ffEffectId; // initially -1
int32_t controllerNumber;
int32_t timestampOverrideSec;
int32_t timestampOverrideUsec;
Device(int fd, int32_t id, const String8& path, const InputDeviceIdentifier& identifier);
~Device();
void close();
inline bool isVirtual() const { return fd < 0; }
const sp<KeyCharacterMap>& getKeyCharacterMap() const {
if (combinedKeyMap != NULL) {
return combinedKeyMap;
}
return keyMap.keyCharacterMap;
}
};
status_t openDeviceLocked(const char *devicePath);
void createVirtualKeyboardLocked();
void addDeviceLocked(Device* device);
void assignDescriptorLocked(InputDeviceIdentifier& identifier);
status_t closeDeviceByPathLocked(const char *devicePath);
void closeDeviceLocked(Device* device);
void closeAllDevicesLocked();
status_t scanDirLocked(const char *dirname);
void scanDevicesLocked();
status_t readNotifyLocked();
Device* getDeviceByDescriptorLocked(String8& descriptor) const;
Device* getDeviceLocked(int32_t deviceId) const;
Device* getDeviceByPathLocked(const char* devicePath) const;
bool hasKeycodeLocked(Device* device, int keycode) const;
void loadConfigurationLocked(Device* device);
status_t loadVirtualKeyMapLocked(Device* device);
status_t loadKeyMapLocked(Device* device);
bool isExternalDeviceLocked(Device* device);
int32_t getNextControllerNumberLocked(Device* device);
void releaseControllerNumberLocked(Device* device);
void setLedForController(Device* device);
status_t mapLed(Device* device, int32_t led, int32_t* outScanCode) const;
void setLedStateLocked(Device* device, int32_t led, bool on);
// Protect all internal state.
mutable Mutex mLock;
// The actual id of the built-in keyboard, or NO_BUILT_IN_KEYBOARD if none.
// EventHub remaps the built-in keyboard to id 0 externally as required by the API.
enum {
// Must not conflict with any other assigned device ids, including
// the virtual keyboard id (-1).
NO_BUILT_IN_KEYBOARD = -2,
};
int32_t mBuiltInKeyboardId;
int32_t mNextDeviceId;
BitSet32 mControllerNumbers;
KeyedVector<int32_t, Device*> mDevices;
Device *mOpeningDevices;
Device *mClosingDevices;
bool mNeedToSendFinishedDeviceScan;
bool mNeedToReopenDevices;
bool mNeedToScanDevices;
Vector<String8> mExcludedDevices;
int mEpollFd;
int mINotifyFd;
int mWakeReadPipeFd;
int mWakeWritePipeFd;
// Ids used for epoll notifications not associated with devices.
static const uint32_t EPOLL_ID_INOTIFY = 0x80000001;
static const uint32_t EPOLL_ID_WAKE = 0x80000002;
// Epoll FD list size hint.
static const int EPOLL_SIZE_HINT = 8;
// Maximum number of signalled FDs to handle at a time.
static const int EPOLL_MAX_EVENTS = 16;
// The array of pending epoll events and the index of the next event to be handled.
struct epoll_event mPendingEventItems[EPOLL_MAX_EVENTS];
size_t mPendingEventCount;
size_t mPendingEventIndex;
bool mPendingINotify;
bool mUsingEpollWakeup;
};
}; // namespace android
#endif // _RUNTIME_EVENT_HUB_H

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@ -0,0 +1,42 @@
/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_TAG "InputApplication"
#include "InputApplication.h"
#include <cutils/log.h>
namespace android {
// --- InputApplicationHandle ---
InputApplicationHandle::InputApplicationHandle() :
mInfo(NULL) {
}
InputApplicationHandle::~InputApplicationHandle() {
delete mInfo;
}
void InputApplicationHandle::releaseInfo() {
if (mInfo) {
delete mInfo;
mInfo = NULL;
}
}
} // namespace android

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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _UI_INPUT_APPLICATION_H
#define _UI_INPUT_APPLICATION_H
#include <input/Input.h>
#include <utils/RefBase.h>
#include <utils/Timers.h>
#include <utils/String8.h>
namespace android {
/*
* Describes the properties of an application that can receive input.
*/
struct InputApplicationInfo {
String8 name;
nsecs_t dispatchingTimeout;
};
/*
* Handle for an application that can receive input.
*
* Used by the native input dispatcher as a handle for the window manager objects
* that describe an application.
*/
class InputApplicationHandle : public RefBase {
public:
inline const InputApplicationInfo* getInfo() const {
return mInfo;
}
inline String8 getName() const {
return mInfo ? mInfo->name : String8("<invalid>");
}
inline nsecs_t getDispatchingTimeout(nsecs_t defaultValue) const {
return mInfo ? mInfo->dispatchingTimeout : defaultValue;
}
/**
* Requests that the state of this object be updated to reflect
* the most current available information about the application.
*
* This method should only be called from within the input dispatcher's
* critical section.
*
* Returns true on success, or false if the handle is no longer valid.
*/
virtual bool updateInfo() = 0;
/**
* Releases the storage used by the associated information when it is
* no longer needed.
*/
void releaseInfo();
protected:
InputApplicationHandle();
virtual ~InputApplicationHandle();
InputApplicationInfo* mInfo;
};
} // namespace android
#endif // _UI_INPUT_APPLICATION_H

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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_TAG "InputListener"
//#define LOG_NDEBUG 0
#include "InputListener.h"
#include <cutils/log.h>
namespace android {
// --- NotifyConfigurationChangedArgs ---
NotifyConfigurationChangedArgs::NotifyConfigurationChangedArgs(nsecs_t eventTime) :
eventTime(eventTime) {
}
NotifyConfigurationChangedArgs::NotifyConfigurationChangedArgs(
const NotifyConfigurationChangedArgs& other) :
eventTime(other.eventTime) {
}
void NotifyConfigurationChangedArgs::notify(const sp<InputListenerInterface>& listener) const {
listener->notifyConfigurationChanged(this);
}
// --- NotifyKeyArgs ---
NotifyKeyArgs::NotifyKeyArgs(nsecs_t eventTime, int32_t deviceId, uint32_t source,
uint32_t policyFlags,
int32_t action, int32_t flags, int32_t keyCode, int32_t scanCode,
int32_t metaState, nsecs_t downTime) :
eventTime(eventTime), deviceId(deviceId), source(source), policyFlags(policyFlags),
action(action), flags(flags), keyCode(keyCode), scanCode(scanCode),
metaState(metaState), downTime(downTime) {
}
NotifyKeyArgs::NotifyKeyArgs(const NotifyKeyArgs& other) :
eventTime(other.eventTime), deviceId(other.deviceId), source(other.source),
policyFlags(other.policyFlags),
action(other.action), flags(other.flags),
keyCode(other.keyCode), scanCode(other.scanCode),
metaState(other.metaState), downTime(other.downTime) {
}
void NotifyKeyArgs::notify(const sp<InputListenerInterface>& listener) const {
listener->notifyKey(this);
}
// --- NotifyMotionArgs ---
NotifyMotionArgs::NotifyMotionArgs(nsecs_t eventTime, int32_t deviceId, uint32_t source,
uint32_t policyFlags,
int32_t action, int32_t flags, int32_t metaState, int32_t buttonState,
int32_t edgeFlags, int32_t displayId, uint32_t pointerCount,
const PointerProperties* pointerProperties, const PointerCoords* pointerCoords,
float xPrecision, float yPrecision, nsecs_t downTime) :
eventTime(eventTime), deviceId(deviceId), source(source), policyFlags(policyFlags),
action(action), flags(flags), metaState(metaState), buttonState(buttonState),
edgeFlags(edgeFlags), displayId(displayId), pointerCount(pointerCount),
xPrecision(xPrecision), yPrecision(yPrecision), downTime(downTime) {
for (uint32_t i = 0; i < pointerCount; i++) {
this->pointerProperties[i].copyFrom(pointerProperties[i]);
this->pointerCoords[i].copyFrom(pointerCoords[i]);
}
}
NotifyMotionArgs::NotifyMotionArgs(const NotifyMotionArgs& other) :
eventTime(other.eventTime), deviceId(other.deviceId), source(other.source),
policyFlags(other.policyFlags),
action(other.action), flags(other.flags),
metaState(other.metaState), buttonState(other.buttonState),
edgeFlags(other.edgeFlags), displayId(other.displayId),
pointerCount(other.pointerCount),
xPrecision(other.xPrecision), yPrecision(other.yPrecision), downTime(other.downTime) {
for (uint32_t i = 0; i < pointerCount; i++) {
pointerProperties[i].copyFrom(other.pointerProperties[i]);
pointerCoords[i].copyFrom(other.pointerCoords[i]);
}
}
void NotifyMotionArgs::notify(const sp<InputListenerInterface>& listener) const {
listener->notifyMotion(this);
}
// --- NotifySwitchArgs ---
NotifySwitchArgs::NotifySwitchArgs(nsecs_t eventTime, uint32_t policyFlags,
uint32_t switchValues, uint32_t switchMask) :
eventTime(eventTime), policyFlags(policyFlags),
switchValues(switchValues), switchMask(switchMask) {
}
NotifySwitchArgs::NotifySwitchArgs(const NotifySwitchArgs& other) :
eventTime(other.eventTime), policyFlags(other.policyFlags),
switchValues(other.switchValues), switchMask(other.switchMask) {
}
void NotifySwitchArgs::notify(const sp<InputListenerInterface>& listener) const {
listener->notifySwitch(this);
}
// --- NotifyDeviceResetArgs ---
NotifyDeviceResetArgs::NotifyDeviceResetArgs(nsecs_t eventTime, int32_t deviceId) :
eventTime(eventTime), deviceId(deviceId) {
}
NotifyDeviceResetArgs::NotifyDeviceResetArgs(const NotifyDeviceResetArgs& other) :
eventTime(other.eventTime), deviceId(other.deviceId) {
}
void NotifyDeviceResetArgs::notify(const sp<InputListenerInterface>& listener) const {
listener->notifyDeviceReset(this);
}
// --- QueuedInputListener ---
QueuedInputListener::QueuedInputListener(const sp<InputListenerInterface>& innerListener) :
mInnerListener(innerListener) {
}
QueuedInputListener::~QueuedInputListener() {
size_t count = mArgsQueue.size();
for (size_t i = 0; i < count; i++) {
delete mArgsQueue[i];
}
}
void QueuedInputListener::notifyConfigurationChanged(
const NotifyConfigurationChangedArgs* args) {
mArgsQueue.push(new NotifyConfigurationChangedArgs(*args));
}
void QueuedInputListener::notifyKey(const NotifyKeyArgs* args) {
mArgsQueue.push(new NotifyKeyArgs(*args));
}
void QueuedInputListener::notifyMotion(const NotifyMotionArgs* args) {
mArgsQueue.push(new NotifyMotionArgs(*args));
}
void QueuedInputListener::notifySwitch(const NotifySwitchArgs* args) {
mArgsQueue.push(new NotifySwitchArgs(*args));
}
void QueuedInputListener::notifyDeviceReset(const NotifyDeviceResetArgs* args) {
mArgsQueue.push(new NotifyDeviceResetArgs(*args));
}
void QueuedInputListener::flush() {
size_t count = mArgsQueue.size();
for (size_t i = 0; i < count; i++) {
NotifyArgs* args = mArgsQueue[i];
args->notify(mInnerListener);
delete args;
}
mArgsQueue.clear();
}
} // namespace android

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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _UI_INPUT_LISTENER_H
#define _UI_INPUT_LISTENER_H
#include <input/Input.h>
#include <utils/RefBase.h>
#include <utils/Vector.h>
namespace android {
class InputListenerInterface;
/* Superclass of all input event argument objects */
struct NotifyArgs {
virtual ~NotifyArgs() { }
virtual void notify(const sp<InputListenerInterface>& listener) const = 0;
};
/* Describes a configuration change event. */
struct NotifyConfigurationChangedArgs : public NotifyArgs {
nsecs_t eventTime;
inline NotifyConfigurationChangedArgs() { }
NotifyConfigurationChangedArgs(nsecs_t eventTime);
NotifyConfigurationChangedArgs(const NotifyConfigurationChangedArgs& other);
virtual ~NotifyConfigurationChangedArgs() { }
virtual void notify(const sp<InputListenerInterface>& listener) const;
};
/* Describes a key event. */
struct NotifyKeyArgs : public NotifyArgs {
nsecs_t eventTime;
int32_t deviceId;
uint32_t source;
uint32_t policyFlags;
int32_t action;
int32_t flags;
int32_t keyCode;
int32_t scanCode;
int32_t metaState;
nsecs_t downTime;
inline NotifyKeyArgs() { }
NotifyKeyArgs(nsecs_t eventTime, int32_t deviceId, uint32_t source, uint32_t policyFlags,
int32_t action, int32_t flags, int32_t keyCode, int32_t scanCode,
int32_t metaState, nsecs_t downTime);
NotifyKeyArgs(const NotifyKeyArgs& other);
virtual ~NotifyKeyArgs() { }
virtual void notify(const sp<InputListenerInterface>& listener) const;
};
/* Describes a motion event. */
struct NotifyMotionArgs : public NotifyArgs {
nsecs_t eventTime;
int32_t deviceId;
uint32_t source;
uint32_t policyFlags;
int32_t action;
int32_t flags;
int32_t metaState;
int32_t buttonState;
int32_t edgeFlags;
int32_t displayId;
uint32_t pointerCount;
PointerProperties pointerProperties[MAX_POINTERS];
PointerCoords pointerCoords[MAX_POINTERS];
float xPrecision;
float yPrecision;
nsecs_t downTime;
inline NotifyMotionArgs() { }
NotifyMotionArgs(nsecs_t eventTime, int32_t deviceId, uint32_t source, uint32_t policyFlags,
int32_t action, int32_t flags, int32_t metaState, int32_t buttonState,
int32_t edgeFlags, int32_t displayId, uint32_t pointerCount,
const PointerProperties* pointerProperties, const PointerCoords* pointerCoords,
float xPrecision, float yPrecision, nsecs_t downTime);
NotifyMotionArgs(const NotifyMotionArgs& other);
virtual ~NotifyMotionArgs() { }
virtual void notify(const sp<InputListenerInterface>& listener) const;
};
/* Describes a switch event. */
struct NotifySwitchArgs : public NotifyArgs {
nsecs_t eventTime;
uint32_t policyFlags;
uint32_t switchValues;
uint32_t switchMask;
inline NotifySwitchArgs() { }
NotifySwitchArgs(nsecs_t eventTime, uint32_t policyFlags,
uint32_t switchValues, uint32_t switchMask);
NotifySwitchArgs(const NotifySwitchArgs& other);
virtual ~NotifySwitchArgs() { }
virtual void notify(const sp<InputListenerInterface>& listener) const;
};
/* Describes a device reset event, such as when a device is added,
* reconfigured, or removed. */
struct NotifyDeviceResetArgs : public NotifyArgs {
nsecs_t eventTime;
int32_t deviceId;
inline NotifyDeviceResetArgs() { }
NotifyDeviceResetArgs(nsecs_t eventTime, int32_t deviceId);
NotifyDeviceResetArgs(const NotifyDeviceResetArgs& other);
virtual ~NotifyDeviceResetArgs() { }
virtual void notify(const sp<InputListenerInterface>& listener) const;
};
/*
* The interface used by the InputReader to notify the InputListener about input events.
*/
class InputListenerInterface : public virtual RefBase {
protected:
InputListenerInterface() { }
virtual ~InputListenerInterface() { }
public:
virtual void notifyConfigurationChanged(const NotifyConfigurationChangedArgs* args) = 0;
virtual void notifyKey(const NotifyKeyArgs* args) = 0;
virtual void notifyMotion(const NotifyMotionArgs* args) = 0;
virtual void notifySwitch(const NotifySwitchArgs* args) = 0;
virtual void notifyDeviceReset(const NotifyDeviceResetArgs* args) = 0;
};
/*
* An implementation of the listener interface that queues up and defers dispatch
* of decoded events until flushed.
*/
class QueuedInputListener : public InputListenerInterface {
protected:
virtual ~QueuedInputListener();
public:
QueuedInputListener(const sp<InputListenerInterface>& innerListener);
virtual void notifyConfigurationChanged(const NotifyConfigurationChangedArgs* args);
virtual void notifyKey(const NotifyKeyArgs* args);
virtual void notifyMotion(const NotifyMotionArgs* args);
virtual void notifySwitch(const NotifySwitchArgs* args);
virtual void notifyDeviceReset(const NotifyDeviceResetArgs* args);
void flush();
private:
sp<InputListenerInterface> mInnerListener;
Vector<NotifyArgs*> mArgsQueue;
};
} // namespace android
#endif // _UI_INPUT_LISTENER_H

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/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_TAG "InputManager"
//#define LOG_NDEBUG 0
#include "InputManager.h"
#include <cutils/log.h>
namespace android {
InputManager::InputManager(
const sp<EventHubInterface>& eventHub,
const sp<InputReaderPolicyInterface>& readerPolicy,
const sp<InputDispatcherPolicyInterface>& dispatcherPolicy) {
mDispatcher = new InputDispatcher(dispatcherPolicy);
mReader = new InputReader(eventHub, readerPolicy, mDispatcher);
initialize();
}
InputManager::InputManager(
const sp<InputReaderInterface>& reader,
const sp<InputDispatcherInterface>& dispatcher) :
mReader(reader),
mDispatcher(dispatcher) {
initialize();
}
InputManager::~InputManager() {
stop();
}
void InputManager::initialize() {
mReaderThread = new InputReaderThread(mReader);
mDispatcherThread = new InputDispatcherThread(mDispatcher);
}
status_t InputManager::start() {
status_t result = mDispatcherThread->run("InputDispatcher", PRIORITY_URGENT_DISPLAY);
if (result) {
ALOGE("Could not start InputDispatcher thread due to error %d.", result);
return result;
}
result = mReaderThread->run("InputReader", PRIORITY_URGENT_DISPLAY);
if (result) {
ALOGE("Could not start InputReader thread due to error %d.", result);
mDispatcherThread->requestExit();
return result;
}
return OK;
}
status_t InputManager::stop() {
status_t result = mReaderThread->requestExitAndWait();
if (result) {
ALOGW("Could not stop InputReader thread due to error %d.", result);
}
result = mDispatcherThread->requestExitAndWait();
if (result) {
ALOGW("Could not stop InputDispatcher thread due to error %d.", result);
}
return OK;
}
sp<InputReaderInterface> InputManager::getReader() {
return mReader;
}
sp<InputDispatcherInterface> InputManager::getDispatcher() {
return mDispatcher;
}
} // namespace android

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/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _UI_INPUT_MANAGER_H
#define _UI_INPUT_MANAGER_H
/**
* Native input manager.
*/
#include "EventHub.h"
#include "InputReader.h"
#include "InputDispatcher.h"
#include <input/Input.h>
#include <input/InputTransport.h>
#include <utils/Errors.h>
#include <utils/Vector.h>
#include <utils/Timers.h>
#include <utils/RefBase.h>
#include <utils/String8.h>
namespace android {
/*
* The input manager is the core of the system event processing.
*
* The input manager uses two threads.
*
* 1. The InputReaderThread (called "InputReader") reads and preprocesses raw input events,
* applies policy, and posts messages to a queue managed by the DispatcherThread.
* 2. The InputDispatcherThread (called "InputDispatcher") thread waits for new events on the
* queue and asynchronously dispatches them to applications.
*
* By design, the InputReaderThread class and InputDispatcherThread class do not share any
* internal state. Moreover, all communication is done one way from the InputReaderThread
* into the InputDispatcherThread and never the reverse. Both classes may interact with the
* InputDispatchPolicy, however.
*
* The InputManager class never makes any calls into Java itself. Instead, the
* InputDispatchPolicy is responsible for performing all external interactions with the
* system, including calling DVM services.
*/
class InputManagerInterface : public virtual RefBase {
protected:
InputManagerInterface() { }
virtual ~InputManagerInterface() { }
public:
/* Starts the input manager threads. */
virtual status_t start() = 0;
/* Stops the input manager threads and waits for them to exit. */
virtual status_t stop() = 0;
/* Gets the input reader. */
virtual sp<InputReaderInterface> getReader() = 0;
/* Gets the input dispatcher. */
virtual sp<InputDispatcherInterface> getDispatcher() = 0;
};
class InputManager : public InputManagerInterface {
protected:
virtual ~InputManager();
public:
InputManager(
const sp<EventHubInterface>& eventHub,
const sp<InputReaderPolicyInterface>& readerPolicy,
const sp<InputDispatcherPolicyInterface>& dispatcherPolicy);
// (used for testing purposes)
InputManager(
const sp<InputReaderInterface>& reader,
const sp<InputDispatcherInterface>& dispatcher);
virtual status_t start();
virtual status_t stop();
virtual sp<InputReaderInterface> getReader();
virtual sp<InputDispatcherInterface> getDispatcher();
private:
sp<InputReaderInterface> mReader;
sp<InputReaderThread> mReaderThread;
sp<InputDispatcherInterface> mDispatcher;
sp<InputDispatcherThread> mDispatcherThread;
void initialize();
};
} // namespace android
#endif // _UI_INPUT_MANAGER_H

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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_TAG "InputWindow"
#define LOG_NDEBUG 0
#include "InputWindow.h"
#include <cutils/log.h>
#include <ui/Rect.h>
#include <ui/Region.h>
namespace android {
// --- InputWindowInfo ---
void InputWindowInfo::addTouchableRegion(const Rect& region) {
touchableRegion.orSelf(region);
}
bool InputWindowInfo::touchableRegionContainsPoint(int32_t x, int32_t y) const {
return touchableRegion.contains(x,y);
}
bool InputWindowInfo::frameContainsPoint(int32_t x, int32_t y) const {
return x >= frameLeft && x <= frameRight
&& y >= frameTop && y <= frameBottom;
}
bool InputWindowInfo::isTrustedOverlay() const {
return layoutParamsType == TYPE_INPUT_METHOD
|| layoutParamsType == TYPE_INPUT_METHOD_DIALOG
|| layoutParamsType == TYPE_SECURE_SYSTEM_OVERLAY;
}
bool InputWindowInfo::supportsSplitTouch() const {
return layoutParamsFlags & FLAG_SPLIT_TOUCH;
}
// --- InputWindowHandle ---
InputWindowHandle::InputWindowHandle(const sp<InputApplicationHandle>& inputApplicationHandle) :
inputApplicationHandle(inputApplicationHandle), mInfo(NULL) {
}
InputWindowHandle::~InputWindowHandle() {
delete mInfo;
}
void InputWindowHandle::releaseInfo() {
if (mInfo) {
delete mInfo;
mInfo = NULL;
}
}
} // namespace android

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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _UI_INPUT_WINDOW_H
#define _UI_INPUT_WINDOW_H
#include <input/Input.h>
#include <input/InputTransport.h>
#include <ui/Rect.h>
#include <ui/Region.h>
#include <utils/RefBase.h>
#include <utils/Timers.h>
#include <utils/String8.h>
#include "InputApplication.h"
namespace android {
/*
* Describes the properties of a window that can receive input.
*/
struct InputWindowInfo {
// Window flags from WindowManager.LayoutParams
enum {
FLAG_ALLOW_LOCK_WHILE_SCREEN_ON = 0x00000001,
FLAG_DIM_BEHIND = 0x00000002,
FLAG_BLUR_BEHIND = 0x00000004,
FLAG_NOT_FOCUSABLE = 0x00000008,
FLAG_NOT_TOUCHABLE = 0x00000010,
FLAG_NOT_TOUCH_MODAL = 0x00000020,
FLAG_TOUCHABLE_WHEN_WAKING = 0x00000040,
FLAG_KEEP_SCREEN_ON = 0x00000080,
FLAG_LAYOUT_IN_SCREEN = 0x00000100,
FLAG_LAYOUT_NO_LIMITS = 0x00000200,
FLAG_FULLSCREEN = 0x00000400,
FLAG_FORCE_NOT_FULLSCREEN = 0x00000800,
FLAG_DITHER = 0x00001000,
FLAG_SECURE = 0x00002000,
FLAG_SCALED = 0x00004000,
FLAG_IGNORE_CHEEK_PRESSES = 0x00008000,
FLAG_LAYOUT_INSET_DECOR = 0x00010000,
FLAG_ALT_FOCUSABLE_IM = 0x00020000,
FLAG_WATCH_OUTSIDE_TOUCH = 0x00040000,
FLAG_SHOW_WHEN_LOCKED = 0x00080000,
FLAG_SHOW_WALLPAPER = 0x00100000,
FLAG_TURN_SCREEN_ON = 0x00200000,
FLAG_DISMISS_KEYGUARD = 0x00400000,
FLAG_SPLIT_TOUCH = 0x00800000,
FLAG_SLIPPERY = 0x20000000,
FLAG_NEEDS_MENU_KEY = 0x40000000,
};
// Private Window flags from WindowManager.LayoutParams
enum {
PRIVATE_FLAG_SYSTEM_ERROR = 0x00000100,
};
// Window types from WindowManager.LayoutParams
enum {
FIRST_APPLICATION_WINDOW = 1,
TYPE_BASE_APPLICATION = 1,
TYPE_APPLICATION = 2,
TYPE_APPLICATION_STARTING = 3,
LAST_APPLICATION_WINDOW = 99,
FIRST_SUB_WINDOW = 1000,
TYPE_APPLICATION_PANEL = FIRST_SUB_WINDOW,
TYPE_APPLICATION_MEDIA = FIRST_SUB_WINDOW+1,
TYPE_APPLICATION_SUB_PANEL = FIRST_SUB_WINDOW+2,
TYPE_APPLICATION_ATTACHED_DIALOG = FIRST_SUB_WINDOW+3,
TYPE_APPLICATION_MEDIA_OVERLAY = FIRST_SUB_WINDOW+4,
LAST_SUB_WINDOW = 1999,
FIRST_SYSTEM_WINDOW = 2000,
TYPE_STATUS_BAR = FIRST_SYSTEM_WINDOW,
TYPE_SEARCH_BAR = FIRST_SYSTEM_WINDOW+1,
TYPE_PHONE = FIRST_SYSTEM_WINDOW+2,
TYPE_SYSTEM_ALERT = FIRST_SYSTEM_WINDOW+3,
TYPE_KEYGUARD = FIRST_SYSTEM_WINDOW+4,
TYPE_TOAST = FIRST_SYSTEM_WINDOW+5,
TYPE_SYSTEM_OVERLAY = FIRST_SYSTEM_WINDOW+6,
TYPE_PRIORITY_PHONE = FIRST_SYSTEM_WINDOW+7,
TYPE_SYSTEM_DIALOG = FIRST_SYSTEM_WINDOW+8,
TYPE_KEYGUARD_DIALOG = FIRST_SYSTEM_WINDOW+9,
TYPE_SYSTEM_ERROR = FIRST_SYSTEM_WINDOW+10,
TYPE_INPUT_METHOD = FIRST_SYSTEM_WINDOW+11,
TYPE_INPUT_METHOD_DIALOG= FIRST_SYSTEM_WINDOW+12,
TYPE_WALLPAPER = FIRST_SYSTEM_WINDOW+13,
TYPE_STATUS_BAR_PANEL = FIRST_SYSTEM_WINDOW+14,
TYPE_SECURE_SYSTEM_OVERLAY = FIRST_SYSTEM_WINDOW+15,
TYPE_DRAG = FIRST_SYSTEM_WINDOW+16,
TYPE_STATUS_BAR_SUB_PANEL = FIRST_SYSTEM_WINDOW+17,
TYPE_POINTER = FIRST_SYSTEM_WINDOW+18,
TYPE_NAVIGATION_BAR = FIRST_SYSTEM_WINDOW+19,
TYPE_VOLUME_OVERLAY = FIRST_SYSTEM_WINDOW+20,
TYPE_BOOT_PROGRESS = FIRST_SYSTEM_WINDOW+21,
LAST_SYSTEM_WINDOW = 2999,
};
enum {
INPUT_FEATURE_DISABLE_TOUCH_PAD_GESTURES = 0x00000001,
INPUT_FEATURE_NO_INPUT_CHANNEL = 0x00000002,
INPUT_FEATURE_DISABLE_USER_ACTIVITY = 0x00000004,
};
sp<InputChannel> inputChannel;
String8 name;
int32_t layoutParamsFlags;
int32_t layoutParamsPrivateFlags;
int32_t layoutParamsType;
nsecs_t dispatchingTimeout;
int32_t frameLeft;
int32_t frameTop;
int32_t frameRight;
int32_t frameBottom;
float scaleFactor;
Region touchableRegion;
bool visible;
bool canReceiveKeys;
bool hasFocus;
bool hasWallpaper;
bool paused;
int32_t layer;
int32_t ownerPid;
int32_t ownerUid;
int32_t inputFeatures;
int32_t displayId;
void addTouchableRegion(const Rect& region);
bool touchableRegionContainsPoint(int32_t x, int32_t y) const;
bool frameContainsPoint(int32_t x, int32_t y) const;
/* Returns true if the window is of a trusted type that is allowed to silently
* overlay other windows for the purpose of implementing the secure views feature.
* Trusted overlays, such as IME windows, can partly obscure other windows without causing
* motion events to be delivered to them with AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED.
*/
bool isTrustedOverlay() const;
bool supportsSplitTouch() const;
};
/*
* Handle for a window that can receive input.
*
* Used by the native input dispatcher to indirectly refer to the window manager objects
* that describe a window.
*/
class InputWindowHandle : public RefBase {
public:
const sp<InputApplicationHandle> inputApplicationHandle;
inline const InputWindowInfo* getInfo() const {
return mInfo;
}
inline sp<InputChannel> getInputChannel() const {
return mInfo ? mInfo->inputChannel : NULL;
}
inline String8 getName() const {
return mInfo ? mInfo->name : String8("<invalid>");
}
inline nsecs_t getDispatchingTimeout(nsecs_t defaultValue) const {
return mInfo ? mInfo->dispatchingTimeout : defaultValue;
}
/**
* Requests that the state of this object be updated to reflect
* the most current available information about the application.
*
* This method should only be called from within the input dispatcher's
* critical section.
*
* Returns true on success, or false if the handle is no longer valid.
*/
virtual bool updateInfo() = 0;
/**
* Releases the storage used by the associated information when it is
* no longer needed.
*/
void releaseInfo();
protected:
InputWindowHandle(const sp<InputApplicationHandle>& inputApplicationHandle);
virtual ~InputWindowHandle();
InputWindowInfo* mInfo;
};
} // namespace android
#endif // _UI_INPUT_WINDOW_H

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/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _INPUTFLINGER_POINTER_CONTROLLER_INTERFACE_H
#define _INPUTFLINGER_POINTER_CONTROLLER_INTERFACE_H
#include <input/Input.h>
#include <utils/BitSet.h>
#include <utils/RefBase.h>
namespace android {
/**
* Interface for tracking a mouse / touch pad pointer and touch pad spots.
*
* The spots are sprites on screen that visually represent the positions of
* fingers
*
* The pointer controller is responsible for providing synchronization and for tracking
* display orientation changes if needed.
*/
class PointerControllerInterface : public virtual RefBase {
protected:
PointerControllerInterface() { }
virtual ~PointerControllerInterface() { }
public:
/* Gets the bounds of the region that the pointer can traverse.
* Returns true if the bounds are available. */
virtual bool getBounds(float* outMinX, float* outMinY,
float* outMaxX, float* outMaxY) const = 0;
/* Move the pointer. */
virtual void move(float deltaX, float deltaY) = 0;
/* Sets a mask that indicates which buttons are pressed. */
virtual void setButtonState(int32_t buttonState) = 0;
/* Gets a mask that indicates which buttons are pressed. */
virtual int32_t getButtonState() const = 0;
/* Sets the absolute location of the pointer. */
virtual void setPosition(float x, float y) = 0;
/* Gets the absolute location of the pointer. */
virtual void getPosition(float* outX, float* outY) const = 0;
enum Transition {
// Fade/unfade immediately.
TRANSITION_IMMEDIATE,
// Fade/unfade gradually.
TRANSITION_GRADUAL,
};
/* Fades the pointer out now. */
virtual void fade(Transition transition) = 0;
/* Makes the pointer visible if it has faded out.
* The pointer never unfades itself automatically. This method must be called
* by the client whenever the pointer is moved or a button is pressed and it
* wants to ensure that the pointer becomes visible again. */
virtual void unfade(Transition transition) = 0;
enum Presentation {
// Show the mouse pointer.
PRESENTATION_POINTER,
// Show spots and a spot anchor in place of the mouse pointer.
PRESENTATION_SPOT,
};
/* Sets the mode of the pointer controller. */
virtual void setPresentation(Presentation presentation) = 0;
/* Sets the spots for the current gesture.
* The spots are not subject to the inactivity timeout like the pointer
* itself it since they are expected to remain visible for so long as
* the fingers are on the touch pad.
*
* The values of the AMOTION_EVENT_AXIS_PRESSURE axis is significant.
* For spotCoords, pressure != 0 indicates that the spot's location is being
* pressed (not hovering).
*/
virtual void setSpots(const PointerCoords* spotCoords, const uint32_t* spotIdToIndex,
BitSet32 spotIdBits) = 0;
/* Removes all spots. */
virtual void clearSpots() = 0;
};
} // namespace android
#endif // _INPUTFLINGER_POINTER_CONTROLLER_INTERFACE_H

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# Build the unit tests.
LOCAL_PATH:= $(call my-dir)
include $(CLEAR_VARS)
# Build the unit tests.
test_src_files := \
InputReader_test.cpp \
InputDispatcher_test.cpp
shared_libraries := \
libcutils \
liblog \
libandroidfw \
libutils \
libhardware \
libhardware_legacy \
libui \
libskia \
libstlport \
libinput \
libinputflinger \
libinputservice
static_libraries := \
libgtest \
libgtest_main
c_includes := \
bionic \
bionic/libstdc++/include \
external/gtest/include \
external/stlport/stlport \
external/skia/include/core
module_tags := eng tests
$(foreach file,$(test_src_files), \
$(eval include $(CLEAR_VARS)) \
$(eval LOCAL_SHARED_LIBRARIES := $(shared_libraries)) \
$(eval LOCAL_STATIC_LIBRARIES := $(static_libraries)) \
$(eval LOCAL_C_INCLUDES := $(c_includes)) \
$(eval LOCAL_CFLAGS += -Wno-unused-parameter) \
$(eval LOCAL_SRC_FILES := $(file)) \
$(eval LOCAL_MODULE := $(notdir $(file:%.cpp=%))) \
$(eval LOCAL_MODULE_TAGS := $(module_tags)) \
$(eval include $(BUILD_NATIVE_TEST)) \
)
# Build the manual test programs.
include $(call all-makefiles-under, $(LOCAL_PATH))

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/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "../InputDispatcher.h"
#include <gtest/gtest.h>
#include <linux/input.h>
namespace android {
// An arbitrary time value.
static const nsecs_t ARBITRARY_TIME = 1234;
// An arbitrary device id.
static const int32_t DEVICE_ID = 1;
// An arbitrary injector pid / uid pair that has permission to inject events.
static const int32_t INJECTOR_PID = 999;
static const int32_t INJECTOR_UID = 1001;
// --- FakeInputDispatcherPolicy ---
class FakeInputDispatcherPolicy : public InputDispatcherPolicyInterface {
InputDispatcherConfiguration mConfig;
protected:
virtual ~FakeInputDispatcherPolicy() {
}
public:
FakeInputDispatcherPolicy() {
}
private:
virtual void notifyConfigurationChanged(nsecs_t when) {
}
virtual nsecs_t notifyANR(const sp<InputApplicationHandle>& inputApplicationHandle,
const sp<InputWindowHandle>& inputWindowHandle,
const String8& reason) {
return 0;
}
virtual void notifyInputChannelBroken(const sp<InputWindowHandle>& inputWindowHandle) {
}
virtual void getDispatcherConfiguration(InputDispatcherConfiguration* outConfig) {
*outConfig = mConfig;
}
virtual bool isKeyRepeatEnabled() {
return true;
}
virtual bool filterInputEvent(const InputEvent* inputEvent, uint32_t policyFlags) {
return true;
}
virtual void interceptKeyBeforeQueueing(const KeyEvent* keyEvent, uint32_t& policyFlags) {
}
virtual void interceptMotionBeforeQueueing(nsecs_t when, uint32_t& policyFlags) {
}
virtual nsecs_t interceptKeyBeforeDispatching(const sp<InputWindowHandle>& inputWindowHandle,
const KeyEvent* keyEvent, uint32_t policyFlags) {
return 0;
}
virtual bool dispatchUnhandledKey(const sp<InputWindowHandle>& inputWindowHandle,
const KeyEvent* keyEvent, uint32_t policyFlags, KeyEvent* outFallbackKeyEvent) {
return false;
}
virtual void notifySwitch(nsecs_t when,
uint32_t switchValues, uint32_t switchMask, uint32_t policyFlags) {
}
virtual void pokeUserActivity(nsecs_t eventTime, int32_t eventType) {
}
virtual bool checkInjectEventsPermissionNonReentrant(
int32_t injectorPid, int32_t injectorUid) {
return false;
}
};
// --- InputDispatcherTest ---
class InputDispatcherTest : public testing::Test {
protected:
sp<FakeInputDispatcherPolicy> mFakePolicy;
sp<InputDispatcher> mDispatcher;
virtual void SetUp() {
mFakePolicy = new FakeInputDispatcherPolicy();
mDispatcher = new InputDispatcher(mFakePolicy);
}
virtual void TearDown() {
mFakePolicy.clear();
mDispatcher.clear();
}
};
TEST_F(InputDispatcherTest, InjectInputEvent_ValidatesKeyEvents) {
KeyEvent event;
// Rejects undefined key actions.
event.initialize(DEVICE_ID, AINPUT_SOURCE_KEYBOARD,
/*action*/ -1, 0,
AKEYCODE_A, KEY_A, AMETA_NONE, 0, ARBITRARY_TIME, ARBITRARY_TIME);
ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event,
INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0))
<< "Should reject key events with undefined action.";
// Rejects ACTION_MULTIPLE since it is not supported despite being defined in the API.
event.initialize(DEVICE_ID, AINPUT_SOURCE_KEYBOARD,
AKEY_EVENT_ACTION_MULTIPLE, 0,
AKEYCODE_A, KEY_A, AMETA_NONE, 0, ARBITRARY_TIME, ARBITRARY_TIME);
ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event,
INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0))
<< "Should reject key events with ACTION_MULTIPLE.";
}
TEST_F(InputDispatcherTest, InjectInputEvent_ValidatesMotionEvents) {
MotionEvent event;
PointerProperties pointerProperties[MAX_POINTERS + 1];
PointerCoords pointerCoords[MAX_POINTERS + 1];
for (int i = 0; i <= MAX_POINTERS; i++) {
pointerProperties[i].clear();
pointerProperties[i].id = i;
pointerCoords[i].clear();
}
// Rejects undefined motion actions.
event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN,
/*action*/ -1, 0, 0, AMETA_NONE, 0, 0, 0, 0, 0,
ARBITRARY_TIME, ARBITRARY_TIME,
/*pointerCount*/ 1, pointerProperties, pointerCoords);
ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event,
INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0))
<< "Should reject motion events with undefined action.";
// Rejects pointer down with invalid index.
event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN,
AMOTION_EVENT_ACTION_POINTER_DOWN | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
0, 0, AMETA_NONE, 0, 0, 0, 0, 0,
ARBITRARY_TIME, ARBITRARY_TIME,
/*pointerCount*/ 1, pointerProperties, pointerCoords);
ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event,
INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0))
<< "Should reject motion events with pointer down index too large.";
event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN,
AMOTION_EVENT_ACTION_POINTER_DOWN | (-1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
0, 0, AMETA_NONE, 0, 0, 0, 0, 0,
ARBITRARY_TIME, ARBITRARY_TIME,
/*pointerCount*/ 1, pointerProperties, pointerCoords);
ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event,
INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0))
<< "Should reject motion events with pointer down index too small.";
// Rejects pointer up with invalid index.
event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN,
AMOTION_EVENT_ACTION_POINTER_UP | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
0, 0, AMETA_NONE, 0, 0, 0, 0, 0,
ARBITRARY_TIME, ARBITRARY_TIME,
/*pointerCount*/ 1, pointerProperties, pointerCoords);
ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event,
INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0))
<< "Should reject motion events with pointer up index too large.";
event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN,
AMOTION_EVENT_ACTION_POINTER_UP | (-1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
0, 0, AMETA_NONE, 0, 0, 0, 0, 0,
ARBITRARY_TIME, ARBITRARY_TIME,
/*pointerCount*/ 1, pointerProperties, pointerCoords);
ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event,
INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0))
<< "Should reject motion events with pointer up index too small.";
// Rejects motion events with invalid number of pointers.
event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN,
AMOTION_EVENT_ACTION_DOWN, 0, 0, AMETA_NONE, 0, 0, 0, 0, 0,
ARBITRARY_TIME, ARBITRARY_TIME,
/*pointerCount*/ 0, pointerProperties, pointerCoords);
ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event,
INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0))
<< "Should reject motion events with 0 pointers.";
event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN,
AMOTION_EVENT_ACTION_DOWN, 0, 0, AMETA_NONE, 0, 0, 0, 0, 0,
ARBITRARY_TIME, ARBITRARY_TIME,
/*pointerCount*/ MAX_POINTERS + 1, pointerProperties, pointerCoords);
ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event,
INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0))
<< "Should reject motion events with more than MAX_POINTERS pointers.";
// Rejects motion events with invalid pointer ids.
pointerProperties[0].id = -1;
event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN,
AMOTION_EVENT_ACTION_DOWN, 0, 0, AMETA_NONE, 0, 0, 0, 0, 0,
ARBITRARY_TIME, ARBITRARY_TIME,
/*pointerCount*/ 1, pointerProperties, pointerCoords);
ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event,
INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0))
<< "Should reject motion events with pointer ids less than 0.";
pointerProperties[0].id = MAX_POINTER_ID + 1;
event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN,
AMOTION_EVENT_ACTION_DOWN, 0, 0, AMETA_NONE, 0, 0, 0, 0, 0,
ARBITRARY_TIME, ARBITRARY_TIME,
/*pointerCount*/ 1, pointerProperties, pointerCoords);
ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event,
INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0))
<< "Should reject motion events with pointer ids greater than MAX_POINTER_ID.";
// Rejects motion events with duplicate pointer ids.
pointerProperties[0].id = 1;
pointerProperties[1].id = 1;
event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN,
AMOTION_EVENT_ACTION_DOWN, 0, 0, AMETA_NONE, 0, 0, 0, 0, 0,
ARBITRARY_TIME, ARBITRARY_TIME,
/*pointerCount*/ 2, pointerProperties, pointerCoords);
ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event,
INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0))
<< "Should reject motion events with duplicate pointer ids.";
}
} // namespace android

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