C++ (Cpp) TrustedEventsAtSystemGroupCapture Examples

Example #1

File: EventListenerService.cpp Project: fitzgen/gecko-dev

NS_IMETHODIMP
EventListenerService::RemoveSystemEventListener(EventTarget *aTarget,
                                                const nsAString& aType,
                                                JS::Handle<JS::Value> aListener,
                                                bool aUseCapture,
                                                JSContext* aCx)
{
  MOZ_ASSERT(aTarget, "Missing target");

  NS_ENSURE_TRUE(aTarget, NS_ERROR_UNEXPECTED);

  RefPtr<EventListener> listener = ToEventListener(aCx, aListener);
  if (!listener) {
    return NS_ERROR_UNEXPECTED;
  }

  EventListenerManager* manager = aTarget->GetExistingListenerManager();
  if (manager) {
    EventListenerFlags flags =
      aUseCapture ? TrustedEventsAtSystemGroupCapture() :
                    TrustedEventsAtSystemGroupBubble();
    manager->RemoveEventListenerByType(listener, aType, flags);
  }

  return NS_OK;
}

Example #2

File: EventListenerService.cpp Project: luke-chang/gecko-1

NS_IMETHODIMP
EventListenerService::AddSystemEventListener(nsIDOMEventTarget *aTarget,
                                             const nsAString& aType,
                                             nsIDOMEventListener* aListener,
                                             bool aUseCapture)
{
  NS_PRECONDITION(aTarget, "Missing target");
  NS_PRECONDITION(aListener, "Missing listener");

  nsCOMPtr<EventTarget> eventTarget = do_QueryInterface(aTarget);
  NS_ENSURE_TRUE(eventTarget, NS_ERROR_NO_INTERFACE);

  EventListenerManager* manager = eventTarget->GetOrCreateListenerManager();
  NS_ENSURE_STATE(manager);

  EventListenerFlags flags =
    aUseCapture ? TrustedEventsAtSystemGroupCapture() :
                  TrustedEventsAtSystemGroupBubble();
  manager->AddEventListenerByType(aListener, aType, flags);
  return NS_OK;
}