private void recycleDispatchEventLocked(DispatchEvent d) {
if (d.mEvent != null) {
d.mEvent.recycle();
d.mEvent = null;
}
if (mDispatchEventPoolSize < MAX_DISPATCH_EVENT_POOL_SIZE) {
mDispatchEventPoolSize += 1;
d.mNext = mDispatchEventPool;
mDispatchEventPool = d;
}
}
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 DispatchEvent copyDispatchEventLocked(DispatchEvent d) {
DispatchEvent copy = obtainUninitializedDispatchEventLocked();
if (d.mEvent != null) {
copy.mEvent = d.mEvent.copy();
}
copy.mEventType = d.mEventType;
copy.mFlags = d.mFlags;
copy.mTimeoutTime = d.mTimeoutTime;
copy.mWebKitXOffset = d.mWebKitXOffset;
copy.mWebKitYOffset = d.mWebKitYOffset;
copy.mWebKitScale = d.mWebKitScale;
copy.mNext = d.mNext;
return copy;
}
private DispatchEvent obtainDispatchEventLocked(
MotionEvent event,
int eventType,
int flags,
int webKitXOffset,
int webKitYOffset,
float webKitScale) {
DispatchEvent d = obtainUninitializedDispatchEventLocked();
d.mEvent = event;
d.mEventType = eventType;
d.mFlags = flags;
d.mTimeoutTime = SystemClock.uptimeMillis() + WEBKIT_TIMEOUT_MILLIS;
d.mWebKitXOffset = webKitXOffset;
d.mWebKitYOffset = webKitYOffset;
d.mWebKitScale = webKitScale;
if (DEBUG) {
Log.d(TAG, "Timeout time: " + (d.mTimeoutTime - SystemClock.uptimeMillis()));
}
return d;
}