private ISkiaInputComponent getSkiaInputComponent(SKPoint point)
{
List <ISkiaInputComponent> inputComponents = new List <ISkiaInputComponent>();
for (int i = 0; i < SkiaBehaviourEngine.SkiaObjectCount; i++)
{
SkiaObject skiaObject = SkiaBehaviourEngine.GetSkiaObject(i);
if (skiaObject is ISkiaInputComponent)
{
ISkiaInputComponent inputComponent = skiaObject as ISkiaInputComponent;
if (inputComponent.FirstTouchArea.IsOverlapPoint(point))
{
inputComponents.Add(inputComponent);
}
}
}
if (inputComponents.Count == 0)
{
return(null);
}
ISkiaInputComponent topInputComponent = inputComponents[0];
for (int i = 0; i < inputComponents.Count; i++)
{
if (inputComponents[i].InputHeightLevel > topInputComponent.InputHeightLevel)
{
topInputComponent = inputComponents[i];
}
}
return(topInputComponent);
}
private void handleTouchAction(ITouch touch, TouchMotionAction action)
{
CanvasInfoProvider canvasInfoProvider = SkiaBehaviourEngine.CanvasInfoProvider as CanvasInfoProvider;
SkiaTouch skiaTouch = null;
if (action == TouchMotionAction.Down)
{
int heightLevel = 0;
ISkiaInputComponent skiaInputComponent = getSkiaInputComponent(canvasInfoProvider.DeviceToCanvasPoint(touch.Position.ToSKPoint()));
if (skiaInputComponent != null)
{
heightLevel = skiaInputComponent.InputHeightLevel;
}
skiaTouch = new SkiaTouch(this, touch, heightLevel);
_SkiaTouches.Add(skiaTouch);
}
else if (action == TouchMotionAction.Up)
{
for (int i = 0; i < _SkiaTouches.Count; i++)
{
if (_SkiaTouches[i].Touch == touch)
{
skiaTouch = _SkiaTouches[i];
_SkiaTouches.RemoveAt(i);
break;
}
}
}
else
{
for (int i = 0; i < _SkiaTouches.Count; i++)
{
if (_SkiaTouches[i].Touch == touch)
{
skiaTouch = _SkiaTouches[i];
}
}
}
if (skiaTouch == null)
{
return;
}
OnSkiaTouchAction?.Invoke(skiaTouch, action);
}
