@Override
public boolean onTouchEvent(MotionEvent event) {
// TODO(abarth): This version check might not be effective in some
// versions of Android that statically compile code and will be upset
// at the lack of |requestUnbufferedDispatch|. Instead, we should factor
// version-dependent code into separate classes for each supported
// version and dispatch dynamically.
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
requestUnbufferedDispatch(event);
}
ArrayList<Pointer> pointers = new ArrayList<Pointer>();
// TODO(abarth): Rather than unpacking these events here, we should
// probably send them in one packet to the engine.
int maskedAction = event.getActionMasked();
// ACTION_UP, ACTION_POINTER_UP, ACTION_DOWN, and ACTION_POINTER_DOWN
// only apply to a single pointer, other events apply to all pointers.
if (maskedAction == MotionEvent.ACTION_UP
|| maskedAction == MotionEvent.ACTION_POINTER_UP
|| maskedAction == MotionEvent.ACTION_DOWN
|| maskedAction == MotionEvent.ACTION_POINTER_DOWN) {
addPointerForIndex(event, event.getActionIndex(), pointers);
} else {
// ACTION_MOVE may not actually mean all pointers have moved
// but it's the responsibility of a later part of the system to
// ignore 0-deltas if desired.
for (int p = 0; p < event.getPointerCount(); p++) {
addPointerForIndex(event, p, pointers);
}
}
PointerPacket packet = new PointerPacket();
packet.pointers = pointers.toArray(new Pointer[0]);
mSkyEngine.onPointerPacket(packet);
return true;
}
