// If the routed event type matches one the element listening on then add handler to the event route.
internal static void AddHandlerToRoute(DependencyObject o, EventRoute route, RoutedEventHandler eventHandler, bool handledToo)
{
// Add a synchronized input handler to the route.
route.Add(o, eventHandler, handledToo);
}
// This is a helper that will facilitate adding a given array of handlers to the route
private static void AddStyleHandlersToEventRoute(
EventRoute route,
DependencyObject source,
RoutedEventHandlerInfo[] handlers)
{
if (handlers != null)
{
for (int i=0; i<handlers.Length; i++)
{
route.Add(source, handlers[i].Handler, handlers[i].InvokeHandledEventsToo);
}
}
}
/// <summary>
/// Add the event handlers for this element to the route.
/// </summary>
public void AddToEventRoute(EventRoute route, RoutedEventArgs e)
{
if (route == null)
{
throw new ArgumentNullException("route");
}
if (e == null)
{
throw new ArgumentNullException("e");
}
// Get class listeners for this ContentElement
RoutedEventHandlerInfoList classListeners =
GlobalEventManager.GetDTypedClassListeners(this.DependencyObjectType, e.RoutedEvent);
// Add all class listeners for this ContentElement
while (classListeners != null)
{
for(int i = 0; i < classListeners.Handlers.Length; i++)
{
route.Add(this, classListeners.Handlers[i].Handler, classListeners.Handlers[i].InvokeHandledEventsToo);
}
classListeners = classListeners.Next;
}
// Get instance listeners for this ContentElement
FrugalObjectList<RoutedEventHandlerInfo> instanceListeners = null;
EventHandlersStore store = EventHandlersStore;
if (store != null)
{
instanceListeners = store[e.RoutedEvent];
// Add all instance listeners for this ContentElement
if (instanceListeners != null)
{
for (int i = 0; i < instanceListeners.Count; i++)
{
route.Add(this, instanceListeners[i].Handler, instanceListeners[i].InvokeHandledEventsToo);
}
}
}
// Allow Framework to add event handlers in styles
AddToEventRouteCore(route, e);
}
private static void AddStyleHandlersToEventRoute(EventRoute route, DependencyObject source, RoutedEventHandlerInfo[] handlers)
{
if (handlers == null)
return;
for (int index = 0; index < handlers.Length; ++index)
route.Add((object) source, handlers[index].Handler, handlers[index].InvokeHandledEventsToo);
}
