void OnUp(DownUpGestureRecognizer gr, UITouch[] touchesEnded)
{
if (!_element.IsVisible)
{
return;
}
bool handled = false;
DownUpEventArgs args = new iOSDownUpEventArgs(gr, touchesEnded);
foreach (var listener in _listeners)
{
if (listener.HandlesUp)
{
args.Listener = listener;
listener.OnUp(args);
handled = handled || args.Handled;
if (handled)
{
break;
}
}
}
touchCount--;
}
void OnDown(DownUpGestureRecognizer gr, UITouch[] touchesBegan)
{
_panning = false;
if (!_element.IsVisible)
{
return;
}
bool handled = false;
touchCount++;
DownUpEventArgs args = new iOSDownUpEventArgs(gr, touchesBegan);
foreach (var listener in _listeners)
{
if (listener.HandlesDown)
{
args.Listener = listener;
listener.OnDown(args);
handled = handled || args.Handled;
if (handled)
{
break;
}
}
}
_downGestureArgs = args;
}
void OnDown(DownUpGestureRecognizer gr, UITouch[] touchesBegan)
{
_panning = false;
if (!_element.IsVisible)
{
return;
}
/*
* var control = (UIView)_view.GetPropertyValue ("Control");
* if (control is UIButton)
* ((UIButton)control).SendActionForControlEvents (UIControlEvent.TouchDown);
*/
bool handled = false;
if (touchCount == 0)
{
//System.Diagnostics.Debug.WriteLine("onDown set _viewLocationAtOnDown");
_viewLocationAtOnDown = ViewLocationInWindow(gr.View);
}
touchCount++;
//System.Diagnostics.Debug.WriteLine("\tNativeGestureHandler.onDown _touchCount=["+_touchCount+"] _viewLocation=["+_viewLocationAtOnDown+"]");
foreach (var listener in _listeners)
{
//if (handled)
// break;
if (listener.HandlesDown)
{
DownUpEventArgs args = new iOSDownUpEventArgs(gr, touchesBegan, _viewLocationAtOnDown)
{
Listener = listener
};
listener.OnDown(args);
handled = handled || args.Handled;
if (handled)
{
break;
}
}
}
//gr.CancelsTouchesInView = handled;
//System.Diagnostics.Debug.WriteLine("\thandled=["+handled+"]");
}
void OnUp(DownUpGestureRecognizer gr, UITouch[] touchesEnded)
{
if (!_element.IsVisible)
{
return;
}
/*
* var control = (UIView)_view.GetPropertyValue ("Control");
* if (control is UIButton)
* ((UIButton)control).SendActionForControlEvents (UIControlEvent.TouchUpInside);
*/
bool handled = false;
foreach (var listener in _listeners)
{
//if (handled)
// break;
if (listener.HandlesUp)
{
DownUpEventArgs args = new iOSDownUpEventArgs(gr, touchesEnded, _viewLocationAtOnDown)
{
Listener = listener
};
listener.OnUp(args);
handled = handled || args.Handled;
if (handled)
{
break;
}
}
}
touchCount--;
//System.Diagnostics.Debug.WriteLine("onUp touchCount-- = ["+_touchCount+"] touchesEnded.Length=["+touchesEnded.Length+"]");
//System.Diagnostics.Debug.WriteLine("\tNativeGestureHandler.onUp _touchCount=[" + _touchCount + "] _viewLocation=[" + _viewLocationAtOnDown + "]");
//gr.CancelsTouchesInView = handled;
//System.Diagnostics.Debug.WriteLine("\thandled=[" + handled + "]");
}
