/// <summary>
/// Adds a routed event handler for the given
/// RoutedEvent to the store
/// </summary>
public void AddRoutedEventHandler(
RoutedEvent routedEvent,
Delegate handler,
bool handledEventsToo)
{
if (routedEvent == null)
{
throw new ArgumentNullException("routedEvent");
}
if (handler == null)
{
throw new ArgumentNullException("handler");
}
if (!routedEvent.IsLegalHandler(handler))
{
throw new ArgumentException(SR.Get(SRID.HandlerTypeIllegal));
}
// Create a new RoutedEventHandler
RoutedEventHandlerInfo routedEventHandlerInfo =
new RoutedEventHandlerInfo(handler, handledEventsToo);
// Get the entry corresponding to the given RoutedEvent
FrugalObjectList <RoutedEventHandlerInfo> handlers = (FrugalObjectList <RoutedEventHandlerInfo>) this[routedEvent];
if (handlers == null)
{
_entries[routedEvent.GlobalIndex] = handlers = new FrugalObjectList <RoutedEventHandlerInfo>(1);
}
// Add the RoutedEventHandlerInfo to the list
handlers.Add(routedEventHandlerInfo);
}
// Adds a routed event handler at the given index of the store
// Returns updated set of handlers
// NOTE: index must be valid, i.e. not -1
internal RoutedEventHandlerInfoList AddToExistingHandlers(
int index,
Delegate handler,
bool handledEventsToo)
{
Debug.Assert(index != -1, "There should exist a set of handlers for the given routedEvent");
// Create a new RoutedEventHandler
RoutedEventHandlerInfo routedEventHandlerInfo =
new RoutedEventHandlerInfo(handler, handledEventsToo);
// Check if we need to create a new node in the linked list
RoutedEventHandlerInfoList handlers = _eventHandlersList.List[index].Handlers;
if (handlers == null || _eventHandlersList.List[index].HasSelfHandlers == false)
{
// Create a new node in the linked list of class
// handlers for this type and routed event.
handlers = new RoutedEventHandlerInfoList();
handlers.Handlers = new RoutedEventHandlerInfo[1];
handlers.Handlers[0] = routedEventHandlerInfo;
handlers.Next = _eventHandlersList.List[index].Handlers;
_eventHandlersList.List[index].Handlers = handlers;
_eventHandlersList.List[index].HasSelfHandlers = true;
}
else
{
// Add this handler to the existing node in the linked list
// of class handlers for this type and routed event.
int length = handlers.Handlers.Length;
RoutedEventHandlerInfo[] mergedHandlers = new RoutedEventHandlerInfo[length + 1];
Array.Copy(handlers.Handlers, 0, mergedHandlers, 0, length);
mergedHandlers[length] = routedEventHandlerInfo;
handlers.Handlers = mergedHandlers;
}
return(handlers);
}
// Adds a routed event handler at the given index of the store
// Returns updated set of handlers
// NOTE: index must be valid, i.e. not -1
internal RoutedEventHandlerInfoList AddToExistingHandlers(
int index,
Delegate handler,
bool handledEventsToo)
{
Debug.Assert(index != -1, "There should exist a set of handlers for the given routedEvent");
// Create a new RoutedEventHandler
RoutedEventHandlerInfo routedEventHandlerInfo =
new RoutedEventHandlerInfo(handler, handledEventsToo);
// Check if we need to create a new node in the linked list
RoutedEventHandlerInfoList handlers = _eventHandlersList.List[index].Handlers;
if (handlers == null || _eventHandlersList.List[index].HasSelfHandlers == false)
{
// Create a new node in the linked list of class
// handlers for this type and routed event.
handlers = new RoutedEventHandlerInfoList();
handlers.Handlers = new RoutedEventHandlerInfo[1];
handlers.Handlers[0] = routedEventHandlerInfo;
handlers.Next = _eventHandlersList.List[index].Handlers;
_eventHandlersList.List[index].Handlers = handlers;
_eventHandlersList.List[index].HasSelfHandlers = true;
}
else
{
// Add this handler to the existing node in the linked list
// of class handlers for this type and routed event.
int length = handlers.Handlers.Length;
RoutedEventHandlerInfo[] mergedHandlers = new RoutedEventHandlerInfo[length + 1];
Array.Copy(handlers.Handlers, 0, mergedHandlers, 0, length);
mergedHandlers[length] = routedEventHandlerInfo;
handlers.Handlers = mergedHandlers;
}
return handlers;
}
// Constructor for RouteItem
internal RouteItem(object target, RoutedEventHandlerInfo routedEventHandlerInfo)
{
_target = target;
_routedEventHandlerInfo = routedEventHandlerInfo;
}
/// <summary>
/// Is the given RoutedEventHandlerInfo equals the current
/// </summary>
public bool Equals(RoutedEventHandlerInfo handlerInfo)
{
return _handler == handlerInfo._handler && _handledEventsToo == handlerInfo._handledEventsToo;
}
// 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);
}
}
}
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);
}
// Constructor for RouteItem
internal RouteItem(object target, RoutedEventHandlerInfo routedEventHandlerInfo)
{
_target = target;
_routedEventHandlerInfo = routedEventHandlerInfo;
}
/// <summary>
/// Is the given RoutedEventHandlerInfo equals the current
/// </summary>
public bool Equals(RoutedEventHandlerInfo handlerInfo)
{
return(_handler == handlerInfo._handler && _handledEventsToo == handlerInfo._handledEventsToo);
}
public bool Equals(RoutedEventHandlerInfo handlerInfo)
{
return default(bool);
}
/// <summary>
/// Adds a routed event handler for the given
/// RoutedEvent to the store
/// </summary>
public void AddRoutedEventHandler(
RoutedEvent routedEvent,
Delegate handler,
bool handledEventsToo)
{
if (routedEvent == null)
{
throw new ArgumentNullException("routedEvent");
}
if (handler == null)
{
throw new ArgumentNullException("handler");
}
if (!routedEvent.IsLegalHandler(handler))
{
throw new ArgumentException(SR.Get(SRID.HandlerTypeIllegal));
}
// Create a new RoutedEventHandler
RoutedEventHandlerInfo routedEventHandlerInfo =
new RoutedEventHandlerInfo(handler, handledEventsToo);
// Get the entry corresponding to the given RoutedEvent
FrugalObjectList<RoutedEventHandlerInfo> handlers = (FrugalObjectList<RoutedEventHandlerInfo>)this[routedEvent];
if (handlers == null)
{
_entries[routedEvent.GlobalIndex] = handlers = new FrugalObjectList<RoutedEventHandlerInfo>(1);
}
// Add the RoutedEventHandlerInfo to the list
handlers.Add(routedEventHandlerInfo);
}
public void AddRoutedEventHandler(RoutedEvent routedEvent, Delegate handler, bool handledEventsToo)
{
EventManager.CheckParameters(routedEvent, handler);
RoutedEventHandlerInfo info = new RoutedEventHandlerInfo(handler, handledEventsToo);
List<RoutedEventHandlerInfo> list = this[routedEvent];
if (list == null)
{
this.entries[routedEvent.GlobalIndex] = list = new List<RoutedEventHandlerInfo>();
}
list.Add(info);
}
internal RouteItem(object target, RoutedEventHandlerInfo routedEventHandlerInfo)
: this()
{
this.Target = target;
this.routedEventHandlerInfo = routedEventHandlerInfo;
}
public bool Equals(RoutedEventHandlerInfo handlerInfo)
{
return(default(bool));
}
