protected virtual NativeGestureRecognizer GetNativeRecognizer(IGestureRecognizer recognizer)
{
if (recognizer == null)
{
return(null);
}
var weakRecognizer = new WeakReference(recognizer);
var weakEventTracker = new WeakReference(this);
var tapRecognizer = recognizer as TapGestureRecognizer;
if (tapRecognizer != null && tapRecognizer.NumberOfTapsRequired == 1)
{
var returnAction = new TargetEventHandler((s, e) =>
{
var tapGestureRecognizer = weakRecognizer.Target as TapGestureRecognizer;
var eventTracker = weakEventTracker.Target as EventTracker;
var view = eventTracker?._renderer?.Element as View;
if (tapGestureRecognizer != null && view != null)
{
tapGestureRecognizer.SendTapped(view);
}
});
var uiRecognizer = new NativeGestureRecognizer
{
EventType = "click",
Handler = returnAction,
};
return(uiRecognizer);
}
if (tapRecognizer != null && tapRecognizer.NumberOfTapsRequired == 2)
{
var returnAction = new TargetEventHandler((s, e) =>
{
var tapGestureRecognizer = weakRecognizer.Target as TapGestureRecognizer;
var eventTracker = weakEventTracker.Target as EventTracker;
var view = eventTracker?._renderer?.Element as View;
if (tapGestureRecognizer != null && view != null)
{
tapGestureRecognizer.SendTapped(view);
}
});
var uiRecognizer = new NativeGestureRecognizer
{
EventType = "dblclick",
Handler = returnAction,
};
return(uiRecognizer);
}
return(null);
}
public Point LocationOfTouch(int touchIndex, VisualElement view)
{
return(NativeGestureRecognizer.LocationOfTouch(touchIndex, view));
}
public Point LocationInView(VisualElement view)
{
return(NativeGestureRecognizer.LocationInView(view));
}
static void RemoveGestureRecognizer(Ooui.Html.Element element, NativeGestureRecognizer recognizer)
{
element.RemoveEventListener(recognizer.EventType, recognizer.Handler);
}
static void AddGestureRecognizer(Goui.Html.Element element, NativeGestureRecognizer recognizer)
{
element.AddEventListener(recognizer.EventType, recognizer.Handler);
}
