The Tor Browser: dom/speakermanager/SpeakerManagerService.h@97036ab72558

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

     1 /* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */

     2 /* vim: set ts=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 file,

     5  * You can obtain one at http://mozilla.org/MPL/2.0/. */

     7 #ifndef mozilla_dom_SpeakerManagerService_h__

     8 #define mozilla_dom_SpeakerManagerService_h__

    10 #include "nsAutoPtr.h"

    11 #include "nsIObserver.h"

    12 #include "nsTArray.h"

    13 #include "SpeakerManager.h"

    14 #include "nsIAudioManager.h"

    15 #include "nsCheapSets.h"

    16 #include "nsHashKeys.h"

    18 namespace mozilla {

    19 namespace dom {

    21 class SpeakerManagerService : public nsIObserver

    22 {

    23 public:

    24   NS_DECL_ISUPPORTS

    25   NS_DECL_NSIOBSERVER

    27   static SpeakerManagerService* GetSpeakerManagerService();

    28   virtual void ForceSpeaker(bool aEnable, bool aVisible);

    29   virtual bool GetSpeakerStatus();

    30   virtual void SetAudioChannelActive(bool aIsActive);

    31   // Called by child

    32   void ForceSpeaker(bool enable, uint64_t aChildid);

    33   // Register the SpeakerManager to service for notify the speakerforcedchange event

    34   void RegisterSpeakerManager(SpeakerManager* aSpeakerManager)

    35   {

    36     mRegisteredSpeakerManagers.AppendElement(aSpeakerManager);

    37   }

    38   void UnRegisterSpeakerManager(SpeakerManager* aSpeakerManager)

    39   {

    40     mRegisteredSpeakerManagers.RemoveElement(aSpeakerManager);

    41   }

    42   /**

    43    * Shutdown the singleton.

    44    */

    45   static void Shutdown();

    47 protected:

    48   SpeakerManagerService();

    50   virtual ~SpeakerManagerService();

    51   // Notify to UA if device speaker status changed

    52   virtual void Notify();

    54   void TuruOnSpeaker(bool aEnable);

    56   nsTArray<nsRefPtr<SpeakerManager> > mRegisteredSpeakerManagers;

    57   // Set for remember all the child speaker status

    58   nsCheapSet<nsUint64HashKey> mSpeakerStatusSet;

    59   // The Speaker status assign by UA

    60   bool mOrgSpeakerStatus;

    62   bool mVisible;

    63   // This is needed for IPC communication between

    64   // SpeakerManagerServiceChild and this class.

    65   friend class ContentParent;

    66   friend class ContentChild;

    67 };

    69 } // namespace dom

    70 } // namespace mozilla

    72 #endif

The Tor Browser / file revision

dom/speakermanager/SpeakerManagerService.h@97036ab72558

dom/speakermanager/SpeakerManagerService.h