/// <summary>
/// The method unsubscribes specified listener with a given identifier
/// </summary>
/// <param name="listenerId">An identifier of a listener</param>
public void Unsubscribe(uint listenerId)
{
if (listenerId >= mListeners.Count)
{
throw new ListenerDoesntExistException(listenerId);
}
mListeners[(int)listenerId] = new TListenerEntry()
{
};
mFreeEntriesRegistry.Push((int)listenerId);
}
/// <summary>
/// The method subscribes a listener to the manager
/// </summary>
/// <param name="eventListener">A reference to IEventListener implementation</param>
/// <typeparam name="T">A type of an event</typeparam>
/// <returns></returns>
public uint Subscribe <T>(IEventListener eventListener)
where T : struct
{
if (eventListener == null)
{
throw new ArgumentNullException("eventListener");
}
int firstFreeEntryIndex = mFreeEntriesRegistry.Count > 0 ? mFreeEntriesRegistry.Pop() : mListeners.Count;
if (firstFreeEntryIndex >= mListeners.Count)
{
mListeners.Add(new TListenerEntry {
});
}
mListeners[firstFreeEntryIndex] = new TListenerEntry()
{
mEventType = typeof(T),
mListener = eventListener
};
return((uint)firstFreeEntryIndex);
}
