void OnPinchAndRotate(UIGestureRecognizer gr)
{
if (touchCount == 0)
{
touchCount++;
}
PinchEventArgs pinchEventArgs = new iOSPinchEventArgs(gr, _previousPinchArgs);
RotateEventArgs rotateEventArgs = new iOSRotateEventArgs(gr, _previousRotateArgs);
if (gr.State == UIGestureRecognizerState.Ended || gr.State == UIGestureRecognizerState.Cancelled || gr.State == UIGestureRecognizerState.Failed)
{
if (_previousPinchArgs == null && _previousRotateArgs == null)
{
return;
}
foreach (var listener in _listeners)
{
if (listener.HandlesPinching || listener.HandlesPinched)
{
pinchEventArgs.Listener = listener;
listener.OnPinched(pinchEventArgs);
if (pinchEventArgs.Handled)
{
break;
}
}
}
foreach (var listener in _listeners)
{
if (listener.HandlesRotating || listener.HandlesRotated)
{
rotateEventArgs.Listener = listener;
listener.OnRotated(rotateEventArgs);
if (rotateEventArgs.Handled)
{
break;
}
}
}
_previousPinchArgs = null;
_previousRotateArgs = null;
_pinching = false;
_rotating = false;
_panning = false;
_longPressing = false;
}
else
{
foreach (var listener in _listeners)
{
if (listener.HandlesPinching)
{
pinchEventArgs.Listener = listener;
listener.OnPinching(pinchEventArgs);
if (pinchEventArgs.Handled)
{
break;
}
}
}
foreach (var listener in _listeners)
{
if (listener.HandlesRotating)
{
rotateEventArgs.Listener = listener;
listener.OnRotating(rotateEventArgs);
if (rotateEventArgs.Handled)
{
break;
}
}
}
_previousPinchArgs = pinchEventArgs;
_previousRotateArgs = rotateEventArgs;
}
}
void OnPinchAndRotate(UIGestureRecognizer gr)
{
PinchEventArgs pinchEventArgs = new iOSPinchEventArgs(gr, _previousPinchArgs, _viewLocationAtOnDown);
RotateEventArgs rotateEventArgs = new iOSRotateEventArgs(gr, _previousRotateArgs, _viewLocationAtOnDown);
if (touchCount == 0)
{
//System.Diagnostics.Debug.WriteLine("onPinchAndRotate set _viewLocationAtOnDown");
_viewLocationAtOnDown = ViewLocationInWindow(gr.View);
touchCount++;
}
bool handled = false;
if (gr.State == UIGestureRecognizerState.Ended || gr.State == UIGestureRecognizerState.Cancelled || gr.State == UIGestureRecognizerState.Failed)
{
if (_previousPinchArgs == null && _previousRotateArgs == null)
{
return;
}
foreach (var listener in _listeners)
{
//if (handled)
// break;
if (listener.HandlesPinching || listener.HandlesPinched)
{
var taskArgs = new PinchEventArgs(pinchEventArgs);
taskArgs.Listener = listener;
listener.OnPinched(taskArgs);
if (taskArgs.Handled)
{
break;
}
}
}
foreach (var listener in _listeners)
{
//if (handled)
// break;
if (listener.HandlesRotating || listener.HandlesRotated)
{
var taskArgs = new RotateEventArgs(rotateEventArgs);
taskArgs.Listener = listener;
listener.OnRotated(taskArgs);
if (taskArgs.Handled)
{
break;
}
}
}
//gr.CancelsTouchesInView = handled;
_previousPinchArgs = null;
_previousRotateArgs = null;
_pinching = false;
_rotating = false;
_panning = false;
_longPressing = false;
}
else
{
foreach (var listener in _listeners)
{
if (listener.HandlesPinching)
{
var taskArgs = new PinchEventArgs(pinchEventArgs);
taskArgs.Listener = listener;
listener.OnPinching(taskArgs);
handled = handled || pinchEventArgs.Handled;
if (taskArgs.Handled)
{
break;
}
}
}
foreach (var listener in _listeners)
{
if (listener.HandlesRotating)
{
var taskArgs = new RotateEventArgs(rotateEventArgs);
taskArgs.Listener = listener;
listener.OnRotating(taskArgs);
handled = handled || rotateEventArgs.Handled;
if (taskArgs.Handled)
{
break;
}
}
}
_previousPinchArgs = pinchEventArgs;
_previousRotateArgs = rotateEventArgs;
}
/*
* foreach (var listener in _listeners)
* {
* //if (handled)
* // break;
* if (gr.State != UIGestureRecognizerState.Ended && gr.State != UIGestureRecognizerState.Cancelled && gr.State != UIGestureRecognizerState.Failed)
* {
* if (listener.HandlesPinching)
* {
* var taskArgs = new PinchEventArgs(pinchEventArgs);
* taskArgs.Listener = listener;
* listener.OnPinching(taskArgs);
* handled = handled || pinchEventArgs.Handled;
* if (taskArgs.Handled)
* break;
* }
* }
* }
* foreach (var listener in _listeners)
* {
* //if (handled)
* // break;
* if (gr.State != UIGestureRecognizerState.Ended && gr.State != UIGestureRecognizerState.Cancelled && gr.State != UIGestureRecognizerState.Failed)
* {
* if (listener.HandlesRotating)
* {
* var taskArgs = new RotateEventArgs(rotateEventArgs);
* taskArgs.Listener = listener;
* listener.OnRotating(taskArgs);
* handled = handled || rotateEventArgs.Handled;
* if (taskArgs.Handled)
* break;
* }
* }
* }
* _previousPinchArgs = pinchEventArgs;
* _previousRotateArgs = rotateEventArgs;
* //gr.CancelsTouchesInView = handled;
* if (handled)
* return;
* if (_previousPinchArgs == null && _previousRotateArgs == null)
* return;
* foreach (var listener in _listeners)
* {
* //if (handled)
* // break;
* if (listener.HandlesPinching || listener.HandlesPinched)
* {
* var taskArgs = new PinchEventArgs(pinchEventArgs);
* taskArgs.Listener = listener;
* listener.OnPinched(taskArgs);
* if (taskArgs.Handled)
* break;
* }
* }
* foreach (var listener in _listeners)
* {
* //if (handled)
* // break;
* if (listener.HandlesRotating || listener.HandlesRotated)
* {
* var taskArgs = new RotateEventArgs(rotateEventArgs);
* taskArgs.Listener = listener;
* listener.OnRotated(taskArgs);
* if (taskArgs.Handled)
* break;
* }
* }
* //gr.CancelsTouchesInView = handled;
* _previousPinchArgs = null;
* _previousRotateArgs = null;
* _pinching = false;
* _rotating = false;
* _panning = false;
* _longPressing = false;
*/
}
