public void RemoveListener(int event_type, UIEventListenerContext listener_context)
{
List <UIEventListenerContext> listeners;
if (!m_all_listeners.TryGetValue(event_type, out listeners))
{
return;
}
if (listeners.Contains(listener_context))
{
listeners.Remove(listener_context);
}
}
public void AddListener(int event_type, UIEventListenerContext listener_context)
{
List <UIEventListenerContext> listeners;
if (!m_all_listeners.TryGetValue(event_type, out listeners))
{
listeners = new List <UIEventListenerContext>();
m_all_listeners[event_type] = listeners;
}
if (listeners.Contains(listener_context))
{
return;
}
listeners.Add(listener_context);
}
public void NotifyUI(int event_type, System.Object event_data)
{
List <UIEventListenerContext> listeners;
if (!m_all_listeners.TryGetValue(event_type, out listeners))
{
return;
}
int listener_cnt = listeners.Count;
if (listener_cnt == 0)
{
return;
}
int index = 0;
while (index < listener_cnt)
{
UIEventListenerContext context = listeners[index];
IUIEventListener listener = context.m_listener;
if (listener == null)
{
listeners.RemoveAt(index);
}
else
{
listener.ReceiveEvent(event_type, event_data);
}
int new_count = listeners.Count;
if (new_count < listener_cnt)
{
listener_cnt = new_count;
}
else
{
++index;
}
}
}
