/// <summary>
/// 删除一个消息接收器
/// </summary>
/// <param name="listener">要删除的消息接收器</param>
/// <returns></returns>
public static bool Remove(Listener listener)
{
lock (NeedRemoveListeners)
{
if (!Contains(listener)) return false;
NeedRemoveListeners.Add(listener);
return true;
}
}
/// <summary>
/// 添加一个消息接收器
/// </summary>
/// <param name="listener">要添加的消息接收器</param>
/// <returns></returns>
public static bool Add(Listener listener)
{
lock (NeedAddListeners)
{
if (Contains(listener)) return false;
NeedAddListeners.Add(listener);
return true;
}
}
/// <summary>
/// 确定指定的消息接收器是否已经被添加
/// </summary>
/// <param name="listener">目标消息接收器</param>
/// <returns></returns>
public static bool Contains(Listener listener)
{
lock (NeedRemoveListeners)
{
lock (NeedAddListeners)
{
lock (Listeners)
{
return Listeners.Contains(listener) || NeedAddListeners.Contains(listener) || NeedRemoveListeners.Contains(listener);
}
}
}
}