зеркало из https://github.com/mozilla/gecko-dev.git
76 строки
2.3 KiB
C++
76 строки
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_ContentFrameMessageManager_h
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#define mozilla_dom_ContentFrameMessageManager_h
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#include "mozilla/DOMEventTargetHelper.h"
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#include "mozilla/dom/MessageManagerGlobal.h"
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#include "mozilla/dom/ResolveSystemBinding.h"
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#include "nsContentUtils.h"
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namespace mozilla {
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namespace dom {
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/**
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* Base class for implementing the WebIDL ContentFrameMessageManager class.
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*/
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class ContentFrameMessageManager : public DOMEventTargetHelper,
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public MessageManagerGlobal
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{
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public:
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using DOMEventTargetHelper::AddRef;
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using DOMEventTargetHelper::Release;
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bool DoResolve(JSContext* aCx, JS::Handle<JSObject*> aObj,
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JS::Handle<jsid> aId,
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JS::MutableHandle<JS::PropertyDescriptor> aDesc)
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{
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bool found;
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if (!SystemGlobalResolve(aCx, aObj, aId, &found)) {
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return false;
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}
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if (found) {
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FillPropertyDescriptor(aDesc, aObj, JS::UndefinedValue(), false);
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}
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return true;
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}
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static bool MayResolve(jsid aId)
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{
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return MayResolveAsSystemBindingName(aId);
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}
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void GetOwnPropertyNames(JSContext* aCx, JS::AutoIdVector& aNames,
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bool aEnumerableOnly, mozilla::ErrorResult& aRv)
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{
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JS::Rooted<JSObject*> thisObj(aCx, GetWrapper());
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GetSystemBindingNames(aCx, thisObj, aNames, aEnumerableOnly, aRv);
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}
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virtual already_AddRefed<nsPIDOMWindowOuter> GetContent(ErrorResult& aError) = 0;
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virtual already_AddRefed<nsIDocShell> GetDocShell(ErrorResult& aError) = 0;
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virtual already_AddRefed<nsIEventTarget> GetTabEventTarget() = 0;
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nsFrameMessageManager* GetMessageManager()
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{
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return mMessageManager;
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}
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void DisconnectMessageManager()
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{
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mMessageManager->Disconnect();
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mMessageManager = nullptr;
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}
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protected:
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explicit ContentFrameMessageManager(nsFrameMessageManager* aMessageManager)
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: MessageManagerGlobal(aMessageManager)
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{}
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_ContentFrameMessageManager_h
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