/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* vim: set ts=8 sts=2 et sw=2 tw=80: */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #include "mozilla/EventListenerManager.h" #include "mozilla/dom/Event.h" #include "mozilla/dom/EventTarget.h" #include "mozilla/dom/EventTargetBinding.h" #include "nsThreadUtils.h" namespace mozilla { namespace dom { void EventTarget::RemoveEventListener(const nsAString& aType, EventListener* aListener, const EventListenerOptionsOrBoolean& aOptions, ErrorResult& aRv) { EventListenerManager* elm = GetExistingListenerManager(); if (elm) { elm->RemoveEventListener(aType, aListener, aOptions); } } EventHandlerNonNull* EventTarget::GetEventHandler(nsIAtom* aType, const nsAString& aTypeString) { EventListenerManager* elm = GetExistingListenerManager(); return elm ? elm->GetEventHandler(aType, aTypeString) : nullptr; } void EventTarget::SetEventHandler(const nsAString& aType, EventHandlerNonNull* aHandler, ErrorResult& aRv) { if (!StringBeginsWith(aType, NS_LITERAL_STRING("on"))) { aRv.Throw(NS_ERROR_INVALID_ARG); return; } if (NS_IsMainThread()) { nsCOMPtr<nsIAtom> type = NS_Atomize(aType); SetEventHandler(type, EmptyString(), aHandler); return; } SetEventHandler(nullptr, Substring(aType, 2), // Remove "on" aHandler); } void EventTarget::SetEventHandler(nsIAtom* aType, const nsAString& aTypeString, EventHandlerNonNull* aHandler) { GetOrCreateListenerManager()->SetEventHandler(aType, aTypeString, aHandler); } bool EventTarget::IsApzAware() const { EventListenerManager* elm = GetExistingListenerManager(); return elm && elm->HasApzAwareListeners(); } bool EventTarget::DispatchEvent(JSContext* aCx, Event& aEvent, ErrorResult& aRv) { bool result = false; aRv = DispatchEvent(&aEvent, &result); return !aEvent.DefaultPrevented(aCx); } } // namespace dom } // namespace mozilla