tor-browser

The Tor Browser
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MessageListenerManager.h (1721B)

      1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 #ifndef mozilla_dom_MessageListenerManager_h
      8 #define mozilla_dom_MessageListenerManager_h
      9 
     10 #include "nsCycleCollectionNoteChild.h"
     11 #include "nsFrameMessageManager.h"
     12 #include "nsWrapperCache.h"
     13 
     14 namespace mozilla::dom {
     15 
     16 class MessageBroadcaster;
     17 
     18 /**
     19 * Implementation for the WebIDL MessageListenerManager interface. Base class
     20 * for message managers that are exposed to script.
     21 */
     22 class MessageListenerManager : public nsFrameMessageManager,
     23                               public nsWrapperCache {
     24 public:
     25  NS_DECL_ISUPPORTS_INHERITED
     26  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(MessageListenerManager,
     27                                                         nsFrameMessageManager)
     28 
     29  MessageBroadcaster* GetParentObject() { return mParentManager; }
     30 
     31  virtual MessageBroadcaster* GetParentManager() override {
     32    return mParentManager;
     33  }
     34 
     35  /**
     36   * If aRemove is true then RemoveChildManager(this) will be called on the
     37   * parent manager first.
     38   */
     39  virtual void ClearParentManager(bool aRemove) override;
     40 
     41 protected:
     42  MessageListenerManager(ipc::MessageManagerCallback* aCallback,
     43                         MessageBroadcaster* aParentManager,
     44                         MessageManagerFlags aFlags);
     45  virtual ~MessageListenerManager();
     46 
     47  RefPtr<MessageBroadcaster> mParentManager;
     48 };
     49 
     50 }  // namespace mozilla::dom
     51 
     52 #endif  // mozilla_dom_MessageListenerManager_h