private void SetObjectEventCallback()
{
if (_objectEventCallback == null)
{
_objectEventCallback = (type, eventData, userData) =>
{
if (type != Interop.ViewEventType.Object)
{
return;
}
var eventArg = new Interop.ObjectEventDataHandle(eventData);
switch (eventArg.GestureType)
{
case Interop.ViewGesture.Click:
{
var mapObject = _handleToObjectTable[eventArg.ViewObject];
mapObject?.HandleClickedEvent();
break;
}
}
};
handle.SetEventCb(Interop.ViewEventType.Object, _objectEventCallback, IntPtr.Zero);
Log.Info(string.Format("Object event callback is set"));
}
}
private void SetGestureEventCallback()
{
if (_gestureEventCallback == null)
{
_gestureEventCallback = (type, eventData, userData) =>
{
if (type != Interop.ViewEventType.Gesture)
{
return;
}
var eventArg = new MapGestureEventArgs(eventData);
switch (eventArg.GestureType)
{
case GestureType.Scroll: _scrolledEventHandler?.Invoke(this, eventArg); break;
case GestureType.Zoom: _twoFingerZoomedEventHandler?.Invoke(this, eventArg); break;
case GestureType.Click: _clickedEventHandler?.Invoke(this, eventArg); break;
case GestureType.DoubleClick: _doubleClickedEventHandler?.Invoke(this, eventArg); break;
case GestureType.TwoFingerClick: _twoFingerClickedEventHandler?.Invoke(this, eventArg); break;
case GestureType.Rotation: _twoFingerRotatedEventHandler?.Invoke(this, eventArg); break;
case GestureType.LongPress: _longPressedEventHandler?.Invoke(this, eventArg); break;
}
};
handle.SetEventCb(Interop.ViewEventType.Gesture, _gestureEventCallback, IntPtr.Zero);
Log.Info(string.Format("Gesture event callback is set"));
}
}
private void UnsetViewReadyEventCallback()
{
if (_viewReadyEventHandler == null)
{
handle.UnsetEventCb(Interop.ViewEventType.Ready);
_viewReadyEventCallback = null;
Log.Info(string.Format("ViewReady event callback is unset"));
}
}
private void SetViewReadyEventCallback()
{
if (_viewReadyEventCallback == null)
{
_viewReadyEventCallback = (type, eventData, userData) =>
{
_viewReadyEventHandler?.Invoke(this, EventArgs.Empty);
};
handle.SetEventCb(Interop.ViewEventType.Ready, _viewReadyEventCallback, IntPtr.Zero);
Log.Info(string.Format("ViewReady event callback is set"));
}
}
private void UnsetGestureEventCallback()
{
if (_scrolledEventHandler != null || _twoFingerZoomedEventHandler != null ||
_clickedEventHandler != null || _doubleClickedEventHandler != null ||
_twoFingerClickedEventHandler != null || _twoFingerRotatedEventHandler != null ||
_longPressedEventHandler != null)
{
return;
}
handle.UnsetEventCb(Interop.ViewEventType.Gesture);
_gestureEventCallback = null;
Log.Info(string.Format("Gesture event callback is unset"));
}
