protected void unregister(CoreEventRegistration reg) {
ICoreEventSource source = reg.getSource();
if (source == null) {
unregisterGlobalRegistration(reg);
return;
}
if (managers == null || managers.isEmpty()) return;
CoreEventManager manager = managers.get(source);
if (manager == null) return;
manager.remove(reg);
if (manager.isEmpty()) {
managers.remove(source);
}
if (managers.isEmpty()) {
managers = null;
}
if (reg.isOnce()) {
String eventType = reg.getEventType();
ICoreEventListener listener = reg.getListener();
dispatch(source, eventType, new CoreEvent(source, eventType, listener, null), false);
}
}
private void unregisterGlobalRegistration(CoreEventRegistration reg) {
if (globalManager != null) {
globalManager.remove(reg);
}
if (globalManager.isEmpty()) {
globalManager = null;
}
}
private void dispatchGlobal(String eventType, CoreEvent event, boolean notifyOnceListeners) {
if (globalManager != null) {
if (notifyOnceListeners) {
globalManager.dispatchCoreEvent(eventType, event);
} else {
globalManager.dispatchCoreEvent(eventType, event, CoreEventRegistrationList.ONLY_NORMAL);
}
}
if (getParent() != null && getParent() instanceof CoreEventSupport) {
((CoreEventSupport) getParent()).dispatchGlobal(eventType, event, notifyOnceListeners);
}
}
private ICoreEventRegistration registerListener(
ICoreEventSource source, String eventType, ICoreEventListener listener, boolean once) {
CoreEventRegistration reg = new CoreEventRegistration(this, source, eventType, listener, once);
if (managers == null) managers = new HashMap<ICoreEventSource, CoreEventManager>();
CoreEventManager manager = managers.get(source);
if (manager == null) {
manager = new CoreEventManager();
managers.put(source, manager);
}
manager.add(reg);
return reg;
}
private void dispatchBySource(
ICoreEventSource source, String eventType, CoreEvent event, boolean notifyOnceListeners) {
if (managers == null || managers.isEmpty()) return;
CoreEventManager manager = managers.get(source);
if (manager == null || manager.isEmpty()) return;
if (notifyOnceListeners) {
manager.dispatchCoreEvent(eventType, event);
} else {
manager.dispatchCoreEvent(eventType, event, CoreEventRegistrationList.ONLY_NORMAL);
}
}
private ICoreEventRegistration registerGlobalListener(
String eventType, ICoreEventListener listener, boolean once) {
CoreEventRegistration reg = new CoreEventRegistration(this, null, eventType, listener, once);
if (globalManager == null) globalManager = new CoreEventManager();
globalManager.add(reg);
return reg;
}
public boolean hasOnceListeners(ICoreEventSource source, String eventType) {
if (managers == null) return false;
CoreEventManager manager = managers.get(source);
return manager != null && manager.hasOnceListeners(eventType);
}
