private void ProcessEvents(object sender, DoWorkEventArgs e)
{
RemoveItems = new List <IEventListener>();
while (!_BackgroundWorker.CancellationPending)
{
IAction action = Actions.Take();
switch (action.GetActionType())
{
case ActionType.OfferEvent:
OfferEventAction offerEventAction = (OfferEventAction)action;
ProcessOfferEventAction(offerEventAction);
break;
case ActionType.AddListener:
AddListenerAction addListenerAction = (AddListenerAction)action;
ProcessAddListenerAction(addListenerAction);
break;
case ActionType.RemoveListener:
RemoveListenerAction removeListenerAction = (RemoveListenerAction)action;
ProcessRemoveListenerAction(removeListenerAction);
break;
}
}
e.Cancel = true;
}
private void ProcessOfferEventAction(OfferEventAction offerEventAction)
{
IEvent _event = offerEventAction.GetEvent();
if (_event != null)
{
List <WeakReference <IEventListener> > activeListeners;
if (EventTypesToListeners.TryGetValue(_event.GetEventType(), out activeListeners))
{
List <WeakReference <IEventListener> > removeListeners = new List <WeakReference <IEventListener> >();
foreach (WeakReference <IEventListener> weakReference in activeListeners)
{
IEventListener eventListener;
if (weakReference.TryGetTarget(out eventListener))
{
eventListener.OnEvent(_event);
}
else
{
removeListeners.Add(weakReference);
}
}
foreach (WeakReference <IEventListener> remove in removeListeners)
{
activeListeners.Remove(remove);
}
}
}
}
