зеркало из https://github.com/mozilla/gecko-dev.git
105 строки
2.4 KiB
C++
105 строки
2.4 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_BroadcastChannel_h
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#define mozilla_dom_BroadcastChannel_h
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#include "mozilla/Attributes.h"
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#include "mozilla/DOMEventTargetHelper.h"
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#include "nsAutoPtr.h"
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#include "nsIObserver.h"
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#include "nsTArray.h"
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#include "mozilla/RefPtr.h"
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class nsPIDOMWindowInner;
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namespace mozilla {
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namespace ipc {
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class PrincipalInfo;
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} // namespace ipc
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namespace dom {
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namespace workers {
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class WorkerHolder;
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} // namespace workers
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class BroadcastChannelChild;
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class BroadcastChannelMessage;
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class BroadcastChannel final
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: public DOMEventTargetHelper
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, public nsIObserver
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{
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friend class BroadcastChannelChild;
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NS_DECL_NSIOBSERVER
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typedef mozilla::ipc::PrincipalInfo PrincipalInfo;
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public:
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(BroadcastChannel,
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DOMEventTargetHelper)
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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<BroadcastChannel>
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Constructor(const GlobalObject& aGlobal, const nsAString& aChannel,
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ErrorResult& aRv);
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void GetName(nsAString& aName) const
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{
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aName = mChannel;
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}
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void PostMessage(JSContext* aCx, JS::Handle<JS::Value> aMessage,
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ErrorResult& aRv);
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void Close();
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IMPL_EVENT_HANDLER(message)
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IMPL_EVENT_HANDLER(messageerror)
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void Shutdown();
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private:
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BroadcastChannel(nsPIDOMWindowInner* aWindow,
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const PrincipalInfo& aPrincipalInfo,
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const nsACString& aOrigin,
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const nsAString& aChannel);
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~BroadcastChannel();
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void PostMessageData(BroadcastChannelMessage* aData);
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void PostMessageInternal(JSContext* aCx, JS::Handle<JS::Value> aMessage,
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ErrorResult& aRv);
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void RemoveDocFromBFCache();
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RefPtr<BroadcastChannelChild> mActor;
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nsAutoPtr<workers::WorkerHolder> mWorkerHolder;
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nsString mChannel;
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uint64_t mInnerID;
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enum {
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StateActive,
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StateClosed
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} mState;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_BroadcastChannel_h
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