onPointerDown method

@override void onPointerDown(PointerDownEvent event)

Implementation

@override
void onPointerDown(PointerDownEvent event) {
  super.onPointerDown(event);
  super.hold();

  _tapCount++;

  assert(
    doubleTappableDuration != null,
    'The [_doubleTappableTimer] must be initialised before the [doubleTappableDuration] can be Initialised.'
  );
  assert(
    doubleTapHoldDuration != null,
    'The [_doubleTapHoldTimer] must be initialised before the [doubleTapHoldDuration] can be Initialised.'
  );
  if (_doubleTapCount == 1) onContinueStart();
  if (_doubleTapCount > 0) {
    final isContinueable = onDoubleTap?.call(currentPointerOffset, _doubleTapCount);

    accept();
    if (isContinueable ?? false) {
      onContinued();

      _doubleTappableTimer?.cancel();
      _doubleTappableTimer = null;

      _doubleTapHoldTimer?.cancel();
      _doubleTapHoldTimer = Timer(doubleTapHoldDuration!, onContinueEnd);
    } else {
      onContinueEnd();
    }
  } else {
    _doubleTappableTimer?.cancel();
    _doubleTappableTimer = Timer(doubleTappableDuration!, () {
      super.reject();
      super.releaseAll();
    });
  }
}