/// <summary>
/// Gets the updated d typed class listeners.
/// </summary>
/// <param name="dependencyType">Type of the dependency.</param>
/// <param name="routedEvent">The routed event.</param>
/// <param name="classListenersLists">The class listeners lists.</param>
/// <param name="index">The index.</param>
/// <returns>RoutedEventHandlerInfoList.</returns>
private static RoutedEventHandlerInfoList GetUpdatedDTypedClassListeners(DependencyObjectType dependencyType, RoutedEvent routedEvent, out ClassHandlersStore classListenersLists, out int index)
{
classListenersLists = (ClassHandlersStore)dependencyTypedClassListeners[dependencyType];
if (classListenersLists != null)
{
index = classListenersLists.GetHandlersIndex(routedEvent);
if (index != -1)
{
return classListenersLists.GetExistingHandlers(index);
}
}
var baseType = dependencyType;
ClassHandlersStore store = null;
RoutedEventHandlerInfoList handlers = null;
var handlersIndex = -1;
while ((handlersIndex == -1) && (baseType.Id != dependencyObjectType.Id))
{
baseType = baseType.BaseType;
store = (ClassHandlersStore)dependencyTypedClassListeners[baseType];
if (store != null)
{
handlersIndex = store.GetHandlersIndex(routedEvent);
if (handlersIndex != -1)
{
handlers = store.GetExistingHandlers(handlersIndex);
}
}
}
if (classListenersLists == null)
{
if (dependencyType.SystemType == typeof(UIElement))
{
classListenersLists = new ClassHandlersStore(80);
}
else
{
classListenersLists = new ClassHandlersStore(1);
}
dependencyTypedClassListeners[dependencyType] = classListenersLists;
}
index = classListenersLists.CreateHandlersLink(routedEvent, handlers);
return handlers;
}
/// <summary>
/// Gets the d typed class listeners.
/// </summary>
/// <param name="dependencyType">Type of the dependency.</param>
/// <param name="routedEvent">The routed event.</param>
/// <param name="classListenersLists">The class listeners lists.</param>
/// <param name="index">The index.</param>
/// <returns>RoutedEventHandlerInfoList.</returns>
internal static RoutedEventHandlerInfoList GetDTypedClassListeners(DependencyObjectType dependencyType, RoutedEvent routedEvent, out ClassHandlersStore classListenersLists, out int index)
{
classListenersLists = (ClassHandlersStore)dependencyTypedClassListeners[dependencyType];
if (classListenersLists != null)
{
index = classListenersLists.GetHandlersIndex(routedEvent);
if (index != -1)
{
return classListenersLists.GetExistingHandlers(index);
}
}
lock (synchronized)
{
return GetUpdatedDTypedClassListeners(dependencyType, routedEvent, out classListenersLists, out index);
}
}