зеркало из https://github.com/mozilla/gecko-dev.git
60 строки
1.7 KiB
C++
60 строки
1.7 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_MessageListenerManager_h
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#define mozilla_dom_MessageListenerManager_h
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#include "nsCycleCollectionNoteChild.h"
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#include "nsFrameMessageManager.h"
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#include "nsWrapperCache.h"
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namespace mozilla {
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namespace dom {
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class MessageBroadcaster;
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/**
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* Implementation for the WebIDL MessageListenerManager interface. Base class for message
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* managers that are exposed to script.
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*/
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class MessageListenerManager : public nsFrameMessageManager,
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public nsWrapperCache
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{
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public:
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(MessageListenerManager,
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nsFrameMessageManager)
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MessageBroadcaster* GetParentObject()
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{
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return mParentManager;
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}
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virtual MessageBroadcaster* GetParentManager() override
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{
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return mParentManager;
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}
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/**
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* If aRemove is true then RemoveChildManager(this) will be called on the parent manager
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* first.
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*/
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virtual void ClearParentManager(bool aRemove) override;
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protected:
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MessageListenerManager(ipc::MessageManagerCallback* aCallback,
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MessageBroadcaster* aParentManager,
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MessageManagerFlags aFlags);
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virtual ~MessageListenerManager();
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RefPtr<MessageBroadcaster> mParentManager;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_MessageListenerManager_h
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