public override bool OnScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY)
{
//if (_debugEvents) System.Diagnostics.Debug.WriteLine ("OnScroll ["+eN.Action+"]["+_id+"] e1=["+e0+"] e2=["+eN+"]");
//System.Diagnostics.Debug.WriteLine("SCROLL");
bool handled = false;
StopTapLongPress();
if (!_multiMoving)
{
var _view = (Android.Views.View)_weakReferenceView?.Get();
if (_view == null || _listeners == null || !_listeners.Any())
{
return(false);
}
_panning = true;
foreach (var listener in _listeners)
{
if (listener.HandlesPanning || listener.HandlesPanned)
{
PanEventArgs args = new AndroidPanEventArgs(LastPan ?? Start, e2, LastPanArgs, _view, _viewLocationAtOnDown);
args.Listener = listener;
listener.OnPanning(args);
LastPanArgs = args;
LastPan = e2;
//handled = true;
handled |= args.Handled;
//if (args.Handled)
// break;
}
}
}
return(handled);
}
public bool OnUp(MotionEvent ev)
{
//System.Diagnostics.Debug.WriteLine("NativeGestureListener." + P42.Utils.ReflectionExtensions.CallerMemberName() + " action:" + ev.Action + " index" + ev.ActionIndex + " e:" + ev);
if (ev.Action != MotionEventActions.Up)
{
return(false);
}
var touchDuration = DateTime.Now - _onDownDateTime;
_numberOfTaps++;
LongPressingTimerStop();
TappedTimerStart(ev, _numberOfTaps);
var _view = (Android.Views.View)_weakReferenceView?.Get();
if (_view == null || _listeners == null || !_listeners.Any())
{
return(false);
}
bool handled = false;
foreach (var listener in _listeners)
{
if (listener.HandlesUp)
{
DownUpEventArgs args = new AndroidDownUpEventArgs(ev, _view, _viewLocationAtOnDown);
args.Listener = listener;
listener.OnUp(args);
handled |= args.Handled;
//if (args.Handled)
// break;
}
}
if (_panning)
{
_numberOfTaps = 0;
foreach (var listener in _listeners)
{
if (listener.HandlesPanned)
{
PanEventArgs args = new AndroidPanEventArgs(LastPan ?? Start, ev, LastPanArgs, _view, _viewLocationAtOnDown);
args.Listener = listener;
listener.OnPanned(args);
handled |= args.Handled;
//if (args.Handled)
// break;
}
}
}
else if (_longPressed)
{
foreach (var listener in _listeners)
{
if (listener.HandlesLongPressed)
{
LongPressEventArgs args = new AndroidLongPressEventArgs(Start, ev, _view, _viewLocationAtOnDown);
args.Listener = listener;
listener.OnLongPressed(args);
handled |= args.Handled;
//if (args.Handled)
// break;
}
}
}
else if (!_pinching && !_rotating)
{
foreach (var listener in _listeners)
{
if (listener.HandlesTapping)
{
TapEventArgs args = new AndroidTapEventArgs(ev, _view, _numberOfTaps, _viewLocationAtOnDown);
args.Listener = listener;
listener.OnTapping(args);
handled |= args.Handled;
//if (args.Handled)
// break;
}
}
if (_numberOfTaps % 2 == 0)
{
foreach (var listener in _listeners)
{
if (listener.HandlesDoubleTapped)
{
TapEventArgs args = new AndroidTapEventArgs(ev, _view, _numberOfTaps, _viewLocationAtOnDown);
args.Listener = listener;
listener.OnDoubleTapped(args);
handled |= args.Handled;
//if (args.Handled)
// break;
}
}
}
}
LastPanArgs = null;
LastPan = null;
return(handled);
}
