public boolean unsubscribe(EventListener<T> listener) {
if (listener != null)
for (Iterator<ListenerInfo<T>> it = _listenerInfos.iterator(); it.hasNext(); ) {
final ListenerInfo<T> inf = it.next();
if (listener.equals(inf.listener)) {
it.remove();
if (inf.async && --_nAsync == 0 && _serverPushEnabled)
// B65-ZK-1840 added enabler argument for reference counting
((DesktopCtrl) Executions.getCurrent().getDesktop()).enableServerPush(false, this);
return true;
}
}
return false;
}
public boolean isSubscribed(EventListener<T> listener) {
if (listener != null)
for (ListenerInfo<T> li : _listenerInfos) if (listener.equals(li.listener)) return true;
return false;
}