public bool AttachEvent (string eventName, EventHandler<HtmlEventArgs> handler)
{
CheckEvent (eventName, null, handler);
DOMEventListener listener = new DOMEventListener (this, eventName, handler);
listener.AttachEvent();
return AddListener (handler, listener);
}
public bool AttachEvent(string eventName, EventHandler <HtmlEventArgs> handler)
{
CheckEvent(eventName, null, handler);
DOMEventListener listener = new DOMEventListener(this, eventName, handler);
listener.AttachEvent();
return(AddListener(handler, listener));
}
bool AddListener (object handler, DOMEventListener listener)
{
Dictionary<object,DOMEventListener> listeners;
if (listener == null)
return false;
if (events == null)
events = new Dictionary<string, Dictionary<object,DOMEventListener>> ();
if (!events.TryGetValue (listener.EventName, out listeners)) {
listeners = new Dictionary<object,DOMEventListener> ();
events.Add (listener.EventName, listeners);
}
listeners[handler] = listener;
return true;
}
bool AddListener(object handler, DOMEventListener listener)
{
Dictionary <object, DOMEventListener> listeners;
if (listener == null)
{
return(false);
}
if (events == null)
{
events = new Dictionary <string, Dictionary <object, DOMEventListener> > ();
}
if (!events.TryGetValue(listener.EventName, out listeners))
{
listeners = new Dictionary <object, DOMEventListener> ();
events.Add(listener.EventName, listeners);
}
listeners[handler] = listener;
return(true);
}