зеркало из https://github.com/mozilla/gecko-dev.git
72 строки
1.6 KiB
C++
72 строки
1.6 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_MessageChannel_h
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#define mozilla_dom_MessageChannel_h
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#include "mozilla/Attributes.h"
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#include "mozilla/ErrorResult.h"
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#include "mozilla/dom/BindingDeclarations.h"
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#include "nsCycleCollectionParticipant.h"
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#include "nsWrapperCache.h"
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#include "nsCOMPtr.h"
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class nsPIDOMWindow;
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namespace mozilla {
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namespace dom {
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class MessagePort;
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class MessageChannel final : public nsISupports
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, public nsWrapperCache
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{
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public:
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(MessageChannel)
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static bool Enabled(JSContext* aCx, JSObject* aGlobal);
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public:
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nsPIDOMWindow*
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GetParentObject() const
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{
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return mWindow;
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}
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virtual JSObject*
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WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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static already_AddRefed<MessageChannel>
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Constructor(const GlobalObject& aGlobal, ErrorResult& aRv);
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MessagePort*
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Port1() const
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{
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return mPort1;
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}
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MessagePort*
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Port2() const
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{
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return mPort2;
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}
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private:
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explicit MessageChannel(nsPIDOMWindow* aWindow);
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~MessageChannel();
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nsCOMPtr<nsPIDOMWindow> mWindow;
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nsRefPtr<MessagePort> mPort1;
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nsRefPtr<MessagePort> mPort2;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_MessageChannel_h
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