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Android 6.0.1 release 46

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Merge tag 'android-6.0.1_r46' into HEAD

Android 6.0.1 release 46

# gpg: Signature made Mon 06 Jun 2016 10:38:23 AM PDT using DSA key ID 9AB10E78
# gpg: Can't check signature: public key not found
This commit is contained in:
Jessica Wagantall 2016-06-07 10:10:09 -07:00
commit 508eb7749a
5 changed files with 61 additions and 3 deletions
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13
include/input/Input.h
View File

@ -45,6 +45,19 @@ enum {
};
enum {
/**
* This flag indicates that the window that received this motion event is partly
* or wholly obscured by another visible window above it. This flag is set to true
* even if the event did not directly pass through the obscured area.
* A security sensitive application can check this flag to identify situations in which
* a malicious application may have covered up part of its content for the purpose
* of misleading the user or hijacking touches. An appropriate response might be
* to drop the suspect touches or to take additional precautions to confirm the user's
* actual intent.
*/
AMOTION_EVENT_FLAG_WINDOW_IS_PARTIALLY_OBSCURED = 0x2,
/* Motion event is inconsistent with previously sent motion events. */
AMOTION_EVENT_FLAG_TAINTED = 0x80000000,
};

29
services/inputflinger/InputDispatcher.cpp
View File

@ -1225,6 +1225,8 @@ int32_t InputDispatcher::findTouchedWindowTargetsLocked(nsecs_t currentTime,
int32_t outsideTargetFlags = InputTarget::FLAG_DISPATCH_AS_OUTSIDE;
if (isWindowObscuredAtPointLocked(windowHandle, x, y)) {
outsideTargetFlags |= InputTarget::FLAG_WINDOW_IS_OBSCURED;
} else if (isWindowObscuredLocked(windowHandle)) {
outsideTargetFlags |= InputTarget::FLAG_WINDOW_IS_PARTIALLY_OBSCURED;
}
mTempTouchState.addOrUpdateWindow(
@ -1262,6 +1264,8 @@ int32_t InputDispatcher::findTouchedWindowTargetsLocked(nsecs_t currentTime,
}
if (isWindowObscuredAtPointLocked(newTouchedWindowHandle, x, y)) {
targetFlags |= InputTarget::FLAG_WINDOW_IS_OBSCURED;
} else if (isWindowObscuredLocked(newTouchedWindowHandle)) {
targetFlags |= InputTarget::FLAG_WINDOW_IS_PARTIALLY_OBSCURED;
}
// Update hover state.
@ -1437,6 +1441,7 @@ int32_t InputDispatcher::findTouchedWindowTargetsLocked(nsecs_t currentTime,
== InputWindowInfo::TYPE_WALLPAPER) {
mTempTouchState.addOrUpdateWindow(windowHandle,
InputTarget::FLAG_WINDOW_IS_OBSCURED
| InputTarget::FLAG_WINDOW_IS_PARTIALLY_OBSCURED
| InputTarget::FLAG_DISPATCH_AS_IS,
BitSet32(0));
}
@ -1631,6 +1636,27 @@ bool InputDispatcher::isWindowObscuredAtPointLocked(
return false;
}
bool InputDispatcher::isWindowObscuredLocked(const sp<InputWindowHandle>& windowHandle) const {
int32_t displayId = windowHandle->getInfo()->displayId;
const InputWindowInfo* windowInfo = windowHandle->getInfo();
size_t numWindows = mWindowHandles.size();
for (size_t i = 0; i < numWindows; i++) {
sp<InputWindowHandle> otherHandle = mWindowHandles.itemAt(i);
if (otherHandle == windowHandle) {
break;
}
const InputWindowInfo* otherInfo = otherHandle->getInfo();
if (otherInfo->displayId == displayId
&& otherInfo->visible && !otherInfo->isTrustedOverlay()
&& otherInfo->overlaps(windowInfo)) {
return true;
}
}
return false;
}
String8 InputDispatcher::checkWindowReadyForMoreInputLocked(nsecs_t currentTime,
const sp<InputWindowHandle>& windowHandle, const EventEntry* eventEntry,
const char* targetType) {
@ -1905,6 +1931,9 @@ void InputDispatcher::enqueueDispatchEntryLocked(
if (dispatchEntry->targetFlags & InputTarget::FLAG_WINDOW_IS_OBSCURED) {
dispatchEntry->resolvedFlags |= AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED;
}
if (dispatchEntry->targetFlags & InputTarget::FLAG_WINDOW_IS_PARTIALLY_OBSCURED) {
dispatchEntry->resolvedFlags |= AMOTION_EVENT_FLAG_WINDOW_IS_PARTIALLY_OBSCURED;
}
if (!connection->inputState.trackMotion(motionEntry,
dispatchEntry->resolvedAction, dispatchEntry->resolvedFlags)) {

9
services/inputflinger/InputDispatcher.h
View File

@ -89,7 +89,7 @@ struct InputTarget {
/* This flag indicates that the event is being delivered to a foreground application. */
FLAG_FOREGROUND = 1 << 0,
/* This flag indicates that the target of a MotionEvent is partly or wholly
/* This flag indicates that the MotionEvent falls within the area of the target
* obscured by another visible window above it. The motion event should be
* delivered with flag AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED. */
FLAG_WINDOW_IS_OBSCURED = 1 << 1,
@ -139,6 +139,12 @@ struct InputTarget {
| FLAG_DISPATCH_AS_HOVER_EXIT
| FLAG_DISPATCH_AS_SLIPPERY_EXIT
| FLAG_DISPATCH_AS_SLIPPERY_ENTER,
/* This flag indicates that the target of a MotionEvent is partly or wholly
* obscured by another visible window above it. The motion event should be
* delivered with flag AMOTION_EVENT_FLAG_WINDOW_IS_PARTIALLY_OBSCURED. */
FLAG_WINDOW_IS_PARTIALLY_OBSCURED = 1 << 14,
};
// The input channel to be targeted.
@ -1048,6 +1054,7 @@ private:
const InjectionState* injectionState);
bool isWindowObscuredAtPointLocked(const sp<InputWindowHandle>& windowHandle,
int32_t x, int32_t y) const;
bool isWindowObscuredLocked(const sp<InputWindowHandle>& windowHandle) const;
String8 getApplicationWindowLabelLocked(const sp<InputApplicationHandle>& applicationHandle,
const sp<InputWindowHandle>& windowHandle);

11
services/inputflinger/InputWindow.cpp
View File

@ -36,14 +36,16 @@ bool InputWindowInfo::touchableRegionContainsPoint(int32_t x, int32_t y) const {
}
bool InputWindowInfo::frameContainsPoint(int32_t x, int32_t y) const {
return x >= frameLeft && x <= frameRight
&& y >= frameTop && y <= frameBottom;
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_MAGNIFICATION_OVERLAY
|| layoutParamsType == TYPE_STATUS_BAR
|| layoutParamsType == TYPE_NAVIGATION_BAR
|| layoutParamsType == TYPE_SECURE_SYSTEM_OVERLAY;
}
@ -51,6 +53,11 @@ bool InputWindowInfo::supportsSplitTouch() const {
return layoutParamsFlags & FLAG_SPLIT_TOUCH;
}
bool InputWindowInfo::overlaps(const InputWindowInfo* other) const {
return frameLeft < other->frameRight && frameRight > other->frameLeft
&& frameTop < other->frameBottom && frameBottom > other->frameTop;
}
// --- InputWindowHandle ---

2
services/inputflinger/InputWindow.h
View File

@ -146,6 +146,8 @@ struct InputWindowInfo {
bool isTrustedOverlay() const;
bool supportsSplitTouch() const;
bool overlaps(const InputWindowInfo* other) const;
};