static bool ShouldRecognizeTapsTogether(NativeGestureRecognizer gesture, NativeGestureRecognizer other)
{
// If multiple tap gestures are potentially firing (because multiple tap gesture recognizers have been
// added to the XF Element), we want to allow them to fire simultaneously if they have the same number
// of taps and touches
#if __MOBILE__
var tap = gesture as UITapGestureRecognizer;
#else
var tap = gesture as NSClickGestureRecognizer;
#endif
if (tap == null)
{
return(false);
}
#if __MOBILE__
var otherTap = other as UITapGestureRecognizer;
#else
var otherTap = other as NSClickGestureRecognizer;
#endif
if (otherTap == null)
{
return(false);
}
if (!Equals(tap.View, otherTap.View))
{
return(false);
}
#if __MOBILE__
if (tap.NumberOfTapsRequired != otherTap.NumberOfTapsRequired)
#else
if (tap.NumberOfClicksRequired != otherTap.NumberOfClicksRequired)
#endif
{
return(false);
}
if (tap.NumberOfTouchesRequired != otherTap.NumberOfTouchesRequired)
{
return(false);
}
return(true);
}
static IList <GestureElement> GetChildGestures(
NativeGestureRecognizer sender,
WeakReference weakEventTracker, WeakReference weakRecognizer, EventTracker eventTracker, View view)
{
if (!weakRecognizer.IsAlive)
{
return(null);
}
if (eventTracker._disposed || view == null)
{
return(null);
}
var originPoint = sender.LocationInView(eventTracker._renderer.NativeView);
var childGestures = view.GetChildElements(new Point(originPoint.X, originPoint.Y));
return(childGestures);
}
static IList <GestureElement>?GetChildGestures(
NativeGestureRecognizer sender,
WeakReference weakEventTracker, WeakReference weakRecognizer, GestureManager?eventTracker, View?view)
{
if (!weakRecognizer.IsAlive)
{
return(null);
}
if (eventTracker == null || eventTracker._disposed || view == null)
{
return(null);
}
var originPoint = sender.LocationInView(eventTracker._handler.PlatformView);
var childGestures = view.GetChildElements(new Point(originPoint.X, originPoint.Y));
return(childGestures);
}
public void Activated(UIGestureRecognizer sender)
{
action(sender);
}
public virtual NSSet TouchesForGestureRecognizer(UIGestureRecognizer gesture)
{
return(default(NSSet));
}
public virtual void RequireGestureRecognizerToFail(UIGestureRecognizer otherGestureRecognizer)
{
}
public bool ShouldRecognizeSimultaneously(UIKit.UIGestureRecognizer gestureRecognizer, UIKit.UIGestureRecognizer otherGestureRecognizer)
{
return(true);
}
