private void dispatchUiEvents(boolean calledFromHandler) {
for (; ; ) {
MotionEvent event;
final int eventType;
final int flags;
synchronized (mLock) {
DispatchEvent d = mUiDispatchEventQueue.dequeue();
if (d == null) {
if (mUiDispatchScheduled) {
mUiDispatchScheduled = false;
if (!calledFromHandler) {
mUiHandler.removeMessages(UiHandler.MSG_DISPATCH_UI_EVENTS);
}
}
return;
}
event = d.mEvent;
if (event != null && (d.mFlags & FLAG_WEBKIT_TRANSFORMED_EVENT) != 0) {
event.scale(1.0f / d.mWebKitScale);
event.offsetLocation(-d.mWebKitXOffset, -d.mWebKitYOffset);
d.mFlags &= ~FLAG_WEBKIT_TRANSFORMED_EVENT;
}
eventType = d.mEventType;
if (eventType == EVENT_TYPE_TOUCH) {
event = mUiTouchStream.update(event);
if (DEBUG && event == null && d.mEvent != null) {
Log.d(TAG, "dispatchUiEvents: dropped event " + d.mEvent);
}
}
flags = d.mFlags;
if (event == d.mEvent) {
d.mEvent = null; // retain ownership of event, don't recycle it yet
}
recycleDispatchEventLocked(d);
if (eventType == EVENT_TYPE_CLICK) {
scheduleHideTapHighlightLocked();
}
}
// Handle the event.
if (event != null) {
dispatchUiEvent(event, eventType, flags);
event.recycle();
}
}
}
private void updateWebKitTimeoutLocked() {
DispatchEvent d = mWebKitDispatchEventQueue.mHead;
if (d != null && mWebKitTimeoutScheduled && mWebKitTimeoutTime == d.mTimeoutTime) {
return;
}
if (mWebKitTimeoutScheduled) {
mUiHandler.removeMessages(UiHandler.MSG_WEBKIT_TIMEOUT);
mWebKitTimeoutScheduled = false;
}
if (d != null) {
mUiHandler.sendEmptyMessageAtTime(UiHandler.MSG_WEBKIT_TIMEOUT, d.mTimeoutTime);
mWebKitTimeoutScheduled = true;
mWebKitTimeoutTime = d.mTimeoutTime;
}
}
private void unscheduleClickLocked() {
if (mPostClickScheduled) {
mPostClickScheduled = false;
mUiHandler.removeMessages(UiHandler.MSG_CLICK);
}
}
private void unscheduleHideTapHighlightLocked() {
if (mPostHideTapHighlightScheduled) {
mPostHideTapHighlightScheduled = false;
mUiHandler.removeMessages(UiHandler.MSG_HIDE_TAP_HIGHLIGHT);
}
}
private void unscheduleShowTapHighlightLocked() {
if (mPostShowTapHighlightScheduled) {
mPostShowTapHighlightScheduled = false;
mUiHandler.removeMessages(UiHandler.MSG_SHOW_TAP_HIGHLIGHT);
}
}
private void unscheduleLongPressLocked() {
if (mPostLongPressScheduled) {
mPostLongPressScheduled = false;
mUiHandler.removeMessages(UiHandler.MSG_LONG_PRESS);
}
}