//--------------------------------------------------------------------------------------------------------------------------------------
public bool RemoveEventHandler <T>(EventCb <T> cb)
{
//null check
if (cb == null)
{
return(false);
}
//Get route
var evType = typeof(T);
lock (_ActiveRoutes)
{
var allRoutesForType = _ActiveRoutes.TryGetOrDefault(evType);
//check if handlers are registered for this event type
if (allRoutesForType == null)
{
DebugEx.Assert("no such event found registered");
return(false);
}
//Remove from route
var removed = allRoutesForType.RemoveWhere(h => Object.Equals(h.Cb, cb)) > 0;
//check if this event type has any other handlers, otherwise remove the type as well
if (allRoutesForType.Count == 0)
{
_ActiveRoutes.Remove(evType);
}
//return if something has been removed or not
return(removed);
}
}
//--------------------------------------------------------------------------------------------------------------------------------------
public bool AddEventHandler <T>(EventCb <T> cb, int priority, bool receiveDerivedTypeEvents = true)
{
//null check
if (cb == null)
{
DebugEx.Assert("Cannot give Null callback for YEventRouter");
return(false);
}
//Get or create route
var evType = typeof(T);
SortedSetTS <EvHandler> allRoutesForType;
lock (_ActiveRoutes)
{
allRoutesForType = _ActiveRoutes.TryGetOrDefault(evType);
if (allRoutesForType == null)
{
allRoutesForType = _ActiveRoutes[evType] = new SortedSetTS <EvHandler>(s_EvHandlerCmp);
}
//add to route
return(allRoutesForType.Add(new EvHandler()
{
Cb = cb,
Priority = priority,
ReceiveDerivedTypeEvents = receiveDerivedTypeEvents,
RunAsync = false
}));
}
}
