gecko-dev/dom/base/MessageListenerManager.h

60 строки
1.7 KiB
C++

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