diff options
Diffstat (limited to 'libs/ui/InputDispatcher.cpp')
| -rw-r--r-- | libs/ui/InputDispatcher.cpp | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/libs/ui/InputDispatcher.cpp b/libs/ui/InputDispatcher.cpp index 8e9eb21..52e488a 100644 --- a/libs/ui/InputDispatcher.cpp +++ b/libs/ui/InputDispatcher.cpp @@ -2668,6 +2668,18 @@ bool InputDispatcher::transferTouchFocus(const sp<InputChannel>& fromChannel, return false; } + ssize_t fromConnectionIndex = getConnectionIndexLocked(fromChannel); + ssize_t toConnectionIndex = getConnectionIndexLocked(toChannel); + if (fromConnectionIndex >= 0 && toConnectionIndex >= 0) { + sp<Connection> fromConnection = mConnectionsByReceiveFd.valueAt(fromConnectionIndex); + sp<Connection> toConnection = mConnectionsByReceiveFd.valueAt(toConnectionIndex); + + fromConnection->inputState.copyPointerStateTo(toConnection->inputState); + synthesizeCancelationEventsForConnectionLocked(fromConnection, + InputState::CANCEL_POINTER_EVENTS, + "transferring touch focus from this window to another window"); + } + #if DEBUG_FOCUS logDispatchStateLocked(); #endif @@ -3404,6 +3416,24 @@ void InputDispatcher::InputState::clear() { mMotionMementos.clear(); } +void InputDispatcher::InputState::copyPointerStateTo(InputState& other) const { + for (size_t i = 0; i < mMotionMementos.size(); i++) { + const MotionMemento& memento = mMotionMementos.itemAt(i); + if (memento.source & AINPUT_SOURCE_CLASS_POINTER) { + for (size_t j = 0; j < other.mMotionMementos.size(); ) { + const MotionMemento& otherMemento = other.mMotionMementos.itemAt(j); + if (memento.deviceId == otherMemento.deviceId + && memento.source == otherMemento.source) { + other.mMotionMementos.removeAt(j); + } else { + j += 1; + } + } + other.mMotionMementos.push(memento); + } + } +} + bool InputDispatcher::InputState::shouldCancelEvent(int32_t eventSource, CancelationOptions options) { switch (options) { |