private void HandleTouchEventMessage(TouchEventMessage message)
{
Debug.WriteLineIf(DebugSettings.DEBUG_EVENTS, "Message: " + message.GetType().Name);
Debug.WriteLineIf(DebugSettings.DEBUG_EVENTS, "X: " + message.X.ToString() + " Y: " + message.Y.ToString());
Point? hitPoint = ((StreamingRectangleUserControl)MyContent).ConvertToPointTagVisualizer(this.Visualizer, message.X, message.Y);
if (hitPoint != null)
{
Debug.WriteLineIf(DebugSettings.DEBUG_EVENTS, "Hitpoint != null " + hitPoint.ToString());
List<HitTestResult> hitTestResults = HitTest((Point)hitPoint);
foreach (HitTestResult hitTestResult in hitTestResults)
{
if (hitTestResult != null && hitTestResult.VisualHit != null && hitTestResult.VisualHit is UIElement)
{
UIElement visualHit = hitTestResult.VisualHit as UIElement;
Debug.WriteLineIf(DebugSettings.DEBUG_EVENTS, "EVENT RISING!!!! on " + visualHit.GetType().Name + ". Name: " + (visualHit is FrameworkElement? ((FrameworkElement)visualHit).Name : "?"));
RaiseIdentifiedTouchEvent(message, visualHit, hitPoint);
}
}
}
}
private void RaiseIdentifiedTouchEvent(TouchEventMessage message, UIElement visualHit, Point? hitPoint)
{
if (message is TouchDownMessage)
{
RoutedIdentifiedTouchEventArgs args = new RoutedIdentifiedTouchEventArgs(IdentifiedEvents.PreviewIdentifiedTouchDownEvent, ClientId, this, (Point)hitPoint);
RaiseEventPair(visualHit, IdentifiedEvents.IdentifiedTouchDownEvent, args);
_previousMoveTargetElement = visualHit;
}
else if (message is TouchMoveMessage)
{
if (_previousMoveTargetElement != visualHit)
{
if (!UIElementsRelated(_previousMoveTargetElement, visualHit))
{
if (_previousMoveTargetElement != null)
{
RaiseEventPair(_previousMoveTargetElement, IdentifiedEvents.IdentifiedTouchLeaveEvent, new RoutedIdentifiedTouchEventArgs(IdentifiedEvents.PreviewIdentifiedTouchLeaveEvent, ClientId, this, (Point)hitPoint));
}
if (visualHit != null)
{
RaiseEventPair(visualHit, IdentifiedEvents.IdentifiedTouchEnterEvent, new RoutedIdentifiedTouchEventArgs(IdentifiedEvents.PreviewIdentifiedTouchEnterEvent, ClientId, this, (Point)hitPoint));
}
}
else
{
RaiseEventPair(visualHit, IdentifiedEvents.IdentifiedTouchMoveEvent, new RoutedIdentifiedTouchEventArgs(IdentifiedEvents.PreviewIdentifiedTouchMoveEvent, ClientId, this, (Point)hitPoint));
}
_previousMoveTargetElement = visualHit;
}
else
{
RaiseEventPair(visualHit, IdentifiedEvents.IdentifiedTouchMoveEvent, new RoutedIdentifiedTouchEventArgs(IdentifiedEvents.PreviewIdentifiedTouchMoveEvent, ClientId, this, (Point)hitPoint));
}
}
else if (message is TouchUpMessage)
{
RaiseEventPair(visualHit, IdentifiedEvents.IdentifiedTouchUpEvent, new RoutedIdentifiedTouchEventArgs(IdentifiedEvents.PreviewIdentifiedTouchUpEvent, ClientId, this, (Point)hitPoint));
_previousMoveTargetElement = null;
}
}
internal void TouchEvent(TouchEventMessage message)
{
if (MyContent is StreamingRectangleUserControl)
{
this.Dispatcher.Invoke(new HandleTouchEventMessageDelegate(HandleTouchEventMessage), message as TouchEventMessage);
}
}