protected override void handleTapUp(PointerDownEvent down, PointerUpEvent up)
{
TapUpDetails details = new TapUpDetails(
globalPosition: up.position,
localPosition: up.localPosition,
kind: up.kind,
device: up.device
);
if (this.onTapUp != null)
{
this.invokeCallback <object>("onTapUp", () => {
this.onTapUp(details);
return(null);
});
}
if (this.onTap != null)
{
this.invokeCallback <object>("onTap", () => {
this.onTap();
return(null);
});
}
}
void _reset()
{
this._sentTapDown = false;
this._wonArenaForPrimaryPointer = false;
this._up = null;
this._down = null;
}
protected override void handlePrimaryPointer(PointerEvent evt)
{
if (evt is PointerUpEvent)
{
_up = (PointerUpEvent)evt;
_finalPosition = new OffsetPair(global: evt.position, local: evt.localPosition);
_checkUp();
}
else if (evt is PointerCancelEvent)
{
resolve(GestureDisposition.rejected);
if (_sentTapDown)
{
_checkCancel((PointerCancelEvent)evt, "");
}
_reset();
}
else if (evt.buttons != _down?.buttons)
{
resolve(GestureDisposition.rejected);
stopTrackingPointer(primaryPointer);
}
}
void _reset()
{
_sentTapDown = false;
_wonArenaForPrimaryPointer = false;
_up = null;
_down = null;
}
protected override void handlePrimaryPointer(PointerEvent evt)
{
if (evt is PointerUpEvent)
{
this._up = (PointerUpEvent)evt;
this._checkUp();
}
else if (evt is PointerCancelEvent)
{
this.resolve(GestureDisposition.rejected);
if (this._sentTapDown)
{
this._checkCancel((PointerCancelEvent)evt, "");
}
this._reset();
}
else if (evt.buttons != this._down?.buttons)
{
this.resolve(GestureDisposition.rejected);
this.stopTrackingPointer(this.primaryPointer);
}
}
protected abstract void handleTapUp(PointerDownEvent down, PointerUpEvent up);
