private synchronized void signalEventListeners(int event, int arg1, int arg2, String mrl) {
for (EventListener listener : mEventListenerList) {
switch (event) {
case EVENT_ADDED:
listener.onItemAdded(arg1, mrl);
break;
case EVENT_REMOVED:
listener.onItemRemoved(arg1, mrl);
break;
case EVENT_MOVED:
listener.onItemMoved(arg1, arg2, mrl);
break;
}
}
}
