public bool UnregisterGlobalChangedListener(ChangedCallback callback, object userData)
{
ChangedListener item = new ChangedListener();
item.SetCallback(callback);
item.SetUserData(userData);
return(this.m_globalChangedListeners.Remove(item));
}
public bool RegisterGlobalChangedListener(ChangedCallback callback, object userData)
{
ChangedListener item = new ChangedListener();
item.SetCallback(callback);
item.SetUserData(userData);
if (this.m_globalChangedListeners.Contains(item))
{
return(false);
}
this.m_globalChangedListeners.Add(item);
return(true);
}
public bool RegisterChangedListener(Option option, ChangedCallback callback, object userData)
{
List <ChangedListener> list;
ChangedListener item = new ChangedListener();
item.SetCallback(callback);
item.SetUserData(userData);
if (!this.m_changedListeners.TryGetValue(option, out list))
{
list = new List <ChangedListener>();
this.m_changedListeners.Add(option, list);
}
else if (list.Contains(item))
{
return(false);
}
list.Add(item);
return(true);
}
public bool UnregisterChangedListener(Option option, ChangedCallback callback, object userData)
{
List <ChangedListener> list;
ChangedListener item = new ChangedListener();
item.SetCallback(callback);
item.SetUserData(userData);
if (!this.m_changedListeners.TryGetValue(option, out list))
{
return(false);
}
if (!list.Remove(item))
{
return(false);
}
if (list.Count == 0)
{
this.m_changedListeners.Remove(option);
}
return(true);
}
