public bool Unsubscribe <TEvent>(TEvent eventType, MediatorToken token)
{
if (token == null)
{
return(false);
}
var type = typeof(TEvent);
if (SubscriptionTokens.ContainsKey(eventType) && SubscriptionTokens[eventType].Contains(token))
{
var killedIt = SubscriptionTokens[eventType].SafeRemove(token);
Action <object> someAction;
killedIt = killedIt && RegisteredEvents.TryRemove(token, out someAction);
return(killedIt);
}
else if (TypesToTokens.ContainsKey(type) && TypesToTokens[type].Contains(token))
{
var killedIt = TypesToTokens[type].SafeRemove(token);
Action <object> someAction;
killedIt = killedIt && RegisteredEvents.TryRemove(token, out someAction);
return(killedIt);
}
return(false);
}
public MediatorToken Subscribe(ViewModelEvents eventType, Action <object> onTriggered)
{
if (onTriggered == null)
{
return(null);
}
MediatorToken token = null;
if (!SubscriptionTokens.ContainsKey(eventType))
{
token = new MediatorToken();
RegisteredEvents.TryAdd(token, onTriggered);
SubscriptionTokens.TryAdd(eventType, new ConcurrentList <MediatorToken>()
{
token
});
}
else
{
token = new MediatorToken();
RegisteredEvents[token] = onTriggered;
SubscriptionTokens[eventType].Add(token);
}
return(token);
}
public bool Unsubscribe(ViewModelEvents eventType, MediatorToken token)
{
if (token == null)
{
return(false);
}
if (SubscriptionTokens.ContainsKey(eventType) && SubscriptionTokens[eventType].Contains(token))
{
var killedIt = SubscriptionTokens[eventType].Remove(token);
Action <object> someAction;
killedIt = killedIt && RegisteredEvents.TryRemove(token, out someAction);
return(killedIt);
}
return(false);
}
/// <summary>
/// Returns a token for a subscribed event
/// </summary>
/// <typeparam name="TEvent"></typeparam>
/// <param name="onTriggered"></param>
/// <param name="eventType">If null, registers the action with the Type</param>
/// <returns></returns>
public MediatorToken Subscribe <TEvent>(Action <object> onTriggered, TEvent eventType = null) where TEvent : class
{
if (onTriggered == null)
{
return(null);
}
MediatorToken token = null;
var type = typeof(TEvent);
if (TypesToTokens.ContainsKey(type))
{
token = new MediatorToken();
RegisteredEvents[token] = onTriggered;
TypesToTokens[type].SafeAdd(token);
}
else if (eventType != null && SubscriptionTokens.ContainsKey(eventType))
{
token = new MediatorToken();
RegisteredEvents[token] = onTriggered;
SubscriptionTokens[eventType].SafeAdd(token);
}
else if (eventType != null)
{
token = new MediatorToken();
RegisteredEvents.TryAdd(token, onTriggered);
SubscriptionTokens.TryAdd(eventType, new ConcurrentList <MediatorToken>()
{
token
});
}
else
{
token = new MediatorToken();
RegisteredEvents.TryAdd(token, onTriggered);
TypesToTokens.TryAdd(type, new ConcurrentList <MediatorToken>()
{
token
});
}
return(token);
}
