bool HandleMotionEvent(MotionEvent e)
{
//if (_debugEvents) System.Diagnostics.Debug.WriteLine("[{0}.{1}] [{2}] [{3}]", GetType().Name, Debug.CurrentMethod(), _id, _element);
//ShareMotionEvent (_element, e, _element);
if (!_element.IsVisible)
{
return(false);
}
if (MatchesLastMotionEvent(e))
{
return(false);
}
lastEventHandled &= e.Action != MotionEventActions.Down;
if (nativeDetector != null)
{
lastEventHandled |= nativeDetector.OnTouchEvent(e);
}
//if (!lastEventHandled)
//if (!lastEventHandled) {
object scrollEnabled = _element.GetPropertyValue("ScrollEnabled");
if (scrollEnabled == null || ((bool)scrollEnabled) || e.Action != MotionEventActions.Move)
{
var view = Renderer?.View;
//var view = (Android.Views.View)_weakReferenceView?.Get();
if (view != null)
{
var renderer = Platform.GetRenderer(_element);
//var currentView = (renderer?.GetPropertyValue("Control") as Android.Views.View) ?? renderer?.ViewGroup;
var currentView = (renderer?.GetPropertyValue("Control") as Android.Views.View) ?? renderer?.View;
if (currentView != null && view == currentView)
{
view.OnTouchEvent(e);
}
}
}
//}
return(true); // we want to be sure we get the updates to this element's events
}
public bool OnTouch(Android.Views.View v, MotionEvent e)
{
//System.Diagnostics.Debug.WriteLine(GetType()+"."+P42.Utils.ReflectionExtensions.CallerMemberName() + " e:" + e.Action);
//System.Diagnostics.Debug.WriteLine(GetType() + "." + P42.Utils.ReflectionExtensions.CallerMemberName() + " e:" + e.Action + " " + DateTime.UtcNow.ToString("yyyy-MM-dd HH:mm:ss.fff", CultureInfo.InvariantCulture));
if (!_nativeGestureHandler.Element.IsVisible)
{
return(false);
}
if (MatchesLastMotionEvent(e))
{
return(false);
}
_lastEventHandled &= e.Action != MotionEventActions.Down;
// the following has me confused. It is preventing an OnUp event from being delivered to NativeGestureDetector
//if (nativeDetector != null)
// lastEventHandled = lastEventHandled || nativeDetector.OnTouchEvent(e);
if (_nativeDetector != null)
{
_lastEventHandled = _nativeDetector.OnTouchEvent(e) || _lastEventHandled;
}
/*
* object scrollEnabled = _nativeGestureHandler.Element.GetPropertyValue("ScrollEnabled");
* if (scrollEnabled == null || ((bool)scrollEnabled) || e.Action != MotionEventActions.Move)
* {
* //var view = _nativeGestureHandler.Renderer.View;
* //var view = (Android.Views.View)_weakReferenceView?.Get();
* if (_nativeGestureHandler.Renderer?.View is Android.Views.View view)
* {
* var renderer = Platform.GetRenderer(_nativeGestureHandler.Element);
* //var currentView = (renderer?.GetPropertyValue("Control") as Android.Views.View) ?? renderer?.ViewGroup;
* var currentView = (renderer?.GetPropertyValue("Control") as Android.Views.View) ?? renderer?.View;
* if (currentView != null && view == currentView)
* view.OnTouchEvent(e);
* }
* }
*/
if (_nativeGestureHandler.Element is Xamarin.Forms.Button && _nativeGestureHandler.Renderer?.View is Android.Views.View view)
{
var renderer = Platform.GetRenderer(_nativeGestureHandler.Element);
//var currentView = (renderer?.GetPropertyValue("Control") as Android.Views.View) ?? renderer?.ViewGroup;
var currentView = (renderer?.GetPropertyValue("Control") as Android.Views.View) ?? renderer?.View;
if (currentView != null && view == currentView)
{
view.OnTouchEvent(e);
}
}
//System.Diagnostics.Debug.WriteLine(GetType() + "\t _lastEventHandled=["+_lastEventHandled+"]");
return(_lastEventHandled); // we want to be sure we get the updates to this element's events
//return _nativeGestureDetector.OnTouchEvent(e);
/*
* if (e.Action == MotionEventActions.Down)
* {
* // do stuff
* return true;
* }
* if (e.Action == MotionEventActions.Up)
* {
* // do other stuff
* return true;
* }
*
* return false;
*/
}
/*
* MotionEvent _downEvent;
* MotionEvent _secondEvent;
* Android.Views.View _scrollableView;
*/
public bool OnTouch(Android.Views.View v, MotionEvent e)
{
//P42.Utils.DebugExtensions.Message("ENTER Action[" + e.Action + "] [" + e.EventTime + "]");
//System.Diagnostics.Debug.WriteLine(GetType() + "." + P42.Utils.ReflectionExtensions.CallerMemberName() + " e:" + e.Action + " Element:[" + _nativeGestureHandler.Element.Id + "] x:[" + e.RawX + "," + e.GetX() + "," + e.GetAxisValue(Axis.X) + "] y:[" + e.RawY + "," + e.GetY() + "," + e.GetAxisValue(Axis.Y) + "] count:" + e.PointerCount);
//System.Diagnostics.Debug.WriteLine(GetType() + "." + P42.Utils.ReflectionExtensions.CallerMemberName() + " e:" + e.Action + " Element:[" + _nativeGestureHandler.Element.Id + "] x:[" + e.RawX + "," + e.GetX() + "," + e.GetAxisValue(Axis.X) + "] y:[" + e.RawY + "," + e.GetY() + "," + e.GetAxisValue(Axis.Y) + "] count:" + e.PointerCount);
//System.Diagnostics.Debug.WriteLine(GetType() + "." + P42.Utils.ReflectionExtensions.CallerMemberName() + " e:" + e.Action + " " + DateTime.UtcNow.ToString("yyyy-MM-dd HH:mm:ss.fff", CultureInfo.InvariantCulture));
if (_nativeGestureHandler?.Element == null || !_nativeGestureHandler.Element.IsVisible)
{
return(false);
}
if (MatchesLastMotionEvent(e))
{
return(false);
}
_lastEventHandled &= e.Action != MotionEventActions.Down;
bool thisEventHandled = false;
if (_nativeDetector != null)
{
_lastEventHandled = (thisEventHandled = _nativeDetector.OnTouchEvent(e)) || _lastEventHandled;
}
/*
* object scrollEnabled = _nativeGestureHandler.Element.GetPropertyValue("ScrollEnabled");
* if (scrollEnabled == null || ((bool)scrollEnabled) || e.Action != MotionEventActions.Move)
* {
* //var view = _nativeGestureHandler.Renderer.View;
* //var view = (Android.Views.View)_weakReferenceView?.Get();
* if (_nativeGestureHandler.Renderer?.View is Android.Views.View view)
* {
* var renderer = Platform.GetRenderer(_nativeGestureHandler.Element);
* //var currentView = (renderer?.GetPropertyValue("Control") as Android.Views.View) ?? renderer?.ViewGroup;
* var currentView = (renderer?.GetPropertyValue("Control") as Android.Views.View) ?? renderer?.View;
* if (currentView != null && view == currentView)
* view.OnTouchEvent(e);
* }
* }
*/
if (e.EventTime > _lastEventTime && _nativeGestureHandler.Renderer?.View is Android.Views.View view)
{
if (_nativeGestureHandler.Element is Xamarin.Forms.Button)
{
//System.Diagnostics.Debug.WriteLine(GetType() + "." + P42.Utils.ReflectionExtensions.CallerMemberName() + ": Action:[" + e.Action + "] Element [" + _nativeGestureHandler.Element + "]");
var renderer = Platform.GetRenderer(_nativeGestureHandler.Element);
//var currentView = (renderer?.GetPropertyValue("Control") as Android.Views.View) ?? renderer?.ViewGroup;
var currentView = (renderer?.GetPropertyValue("Control") as Android.Views.View) ?? renderer?.View;
if (currentView != null && view == currentView)
{
view.OnTouchEvent(e);
}
}
/*
* if (e.Action == MotionEventActions.Down && _scrollableView == null && ScrollableAncestor(view) is Android.Views.View scrollableView)
* {
* _scrollableView = scrollableView;
* scrollableView.Touch += OnScrollableAncestorTouch;
* }
*
* view.Parent?.RequestDisallowInterceptTouchEvent(true);
*
* if (e.Action == MotionEventActions.Down)
* {
* _secondEvent = null;
* _downEvent = MotionEvent.Obtain(e);
* }
* else
* {
* _secondEvent = _secondEvent ?? MotionEvent.Obtain(e);
* // ignore a move that happens immediately after a down
* if (_secondEvent.Action != MotionEventActions.Move || _downEvent == null || _secondEvent.EventTime - _downEvent.EventTime > 50)
* //if (_nativeListener.ScrollTriggered && !thisEventHandled)
* {
* // if FormsGestures.Listener doesn't handle tap events -or- this isn't a tap event
* if ((_secondEvent.Action != MotionEventActions.Up && _secondEvent.Action != MotionEventActions.Cancel)
|| !_nativeListener.HandlesPressTapEvents)
|| {
|| if (_downEvent != null)
|| {
|| if (e.Action == MotionEventActions.Move)
|| System.Diagnostics.Debug.WriteLine(GetType() + "." + P42.Utils.ReflectionExtensions.CallerMemberName() + ": [" + null + "]");
|| DispatchEventToScrollableAncestor(view, _downEvent);
|| _downEvent = null;
|| }
|| DispatchEventToScrollableAncestor(view, e);
|| }
|| }
||}
*/
}
//System.Diagnostics.Debug.WriteLine(GetType() + "\t _lastEventHandled=[" + _lastEventHandled + "]");
//P42.Utils.DebugExtensions.Message("EXIT [" + null + "]");
//_lastEventTime = e.EventTime;
return(_lastEventHandled); // we want to be sure we get the updates to this element's events
}