rejectGesture method
- int pointer
 
override
    Called when this member loses the arena for the given pointer id.
Implementation
@override
void rejectGesture(int pointer) {
  if (pointer != _primaryPointer) {
    return;
  }
  super.rejectGesture(pointer);
  _stopDeadlineTimer();
  _giveUpPointer(pointer);
  _resetTaps();
  _resetDragUpdateThrottle();
}