@Override
public List<TouchEvent> getTouchEvents() {
synchronized (this) {
// We find out how many events are in the touchEvents arrayList
int len = touchEvents.size();
// Then we iterate through each item and add it to the Pool's recyclable Events ArrayList
for (int i = 0; i < len; i++) {
touchEventPool.free(touchEvents.get(i));
}
// Then we empty the touchEvents ArrayList
touchEvents.clear();
// Basically just copy all of the items in touchEventsBuffer ArrayList into touchEvents
// ArrayList
touchEvents.addAll(touchEventsBuffer);
// Then we clear the touchEventsBuffer ArrayList
touchEventsBuffer.clear();
return touchEvents;
}
}
/** Called when touch events are fired */
@Override
public boolean onTouch(View v, MotionEvent event) {
synchronized (this) {
// Create a blank TouchEvent object
TouchEvent touchEvent = touchEventPool.newObject();
// Fill the TouchEvent object's type variable and flag if the screen is being touched or not
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
{
touchEvent.type = TouchEvent.TOUCH_DOWN;
isTouched = true;
break;
}
case MotionEvent.ACTION_MOVE:
{
touchEvent.type = TouchEvent.TOUCH_DRAGGED;
isTouched = true;
break;
}
case MotionEvent.ACTION_CANCEL:
case MotionEvent.ACTION_UP:
{
touchEvent.type = TouchEvent.TOUCH_UP;
isTouched = false;
break;
}
} // end switch
touchEvent.x = touchX = (int) (event.getX() * scaleX);
touchEvent.y = touchY = (int) (event.getY() * scaleY);
// Add the TouchEvent to the touchEventsBuffer ArrayList
touchEventsBuffer.add(touchEvent);
// Return true because we handled the TouchEvent ourselves
return true;
}
}