/// <summary>
/// Adds a new subscriber to a certain event.
/// </summary>
/// <param name="listener">listener.</param>
/// <typeparam name="MMEvent">The event type.</typeparam>
public static void AddListener <MMEvent>(MMEventListener <MMEvent> listener) where MMEvent : struct
{
Type eventType = typeof(MMEvent);
if (!_subscribersList.ContainsKey(eventType))
{
_subscribersList[eventType] = new List <MMEventListenerBase>();
}
if (!SubscriptionExists(eventType, listener))
{
_subscribersList[eventType].Add(listener);
}
}
/// <summary>
/// Removes a subscriber from a certain event.
/// </summary>
/// <param name="listener">listener.</param>
/// <typeparam name="MMEvent">The event type.</typeparam>
public static void RemoveListener <MMEvent>(MMEventListener <MMEvent> listener) where MMEvent : struct
{
Type eventType = typeof(MMEvent);
if (!_subscribersList.ContainsKey(eventType))
{
#if EVENTROUTER_THROWEXCEPTIONS
throw new ArgumentException(string.Format("Removing listener \"{0}\", but the event type \"{1}\" isn't registered.", listener, eventType.ToString()));
#else
return;
#endif
}
List <MMEventListenerBase> subscriberList = _subscribersList[eventType];
#if EVENTROUTER_THROWEXCEPTIONS
bool listenerFound = false;
#endif
for (int i = subscriberList.Count - 1; i >= 0; i--)
{
if (subscriberList[i] == listener)
{
subscriberList.Remove(subscriberList[i]);
#if EVENTROUTER_THROWEXCEPTIONS
listenerFound = true;
#endif
if (subscriberList.Count == 0)
{
_subscribersList.Remove(eventType);
}
return;
}
}
#if EVENTROUTER_THROWEXCEPTIONS
if (!listenerFound)
{
throw new ArgumentException(string.Format("Removing listener, but the supplied receiver isn't subscribed to event type \"{0}\".", eventType.ToString()));
}
#endif
}
public static void MMEventStopListening <EventType>(this MMEventListener <EventType> caller) where EventType : struct
{
MMEventManager.RemoveListener <EventType>(caller);
}
