The Tor Browser: dom/speakermanager/SpeakerManager.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 /* This Source Code Form is subject to the terms of the Mozilla Public

     2  * License, v. 2.0. If a copy of the MPL was not distributed with this file,

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

     5 #ifndef mozilla_dom_SpeakerManager_h

     6 #define mozilla_dom_SpeakerManager_h

     8 #include "mozilla/DOMEventTargetHelper.h"

     9 #include "mozilla/dom/MozSpeakerManagerBinding.h"

    11 namespace mozilla {

    12 namespace dom {

    13 /* This class is used for UA to control devices's speaker status.

    14  * After UA set the speaker status, the UA should handle the

    15  * forcespeakerchange event and change the speaker status in UI.

    16  * The device's speaker status would set back to normal when UA close the application.

    17  */

    18 class SpeakerManager MOZ_FINAL

    19   : public DOMEventTargetHelper

    20   , public nsIDOMEventListener

    21 {

    22   friend class SpeakerManagerService;

    23   friend class SpeakerManagerServiceChild;

    25   NS_DECL_ISUPPORTS_INHERITED

    26   NS_DECL_NSIDOMEVENTLISTENER

    28 public:

    29   void Init(nsPIDOMWindow* aWindow);

    31   nsPIDOMWindow* GetParentObject() const;

    33   virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;

    34   /**

    35    * WebIDL Interface

    36    */

    37   // Get this api's force speaker setting.

    38   bool Forcespeaker();

    39   // Force acoustic sound go through speaker. Don't force to speaker if application

    40   // stay in the background and re-force when application

    41   // go to foreground

    42   void SetForcespeaker(bool aEnable);

    43   // Get the device's speaker forced setting.

    44   bool Speakerforced();

    46   void SetAudioChannelActive(bool aIsActive);

    47   IMPL_EVENT_HANDLER(speakerforcedchange)

    49   static already_AddRefed<SpeakerManager>

    50   Constructor(const GlobalObject& aGlobal, ErrorResult& aRv);

    52 protected:

    53   SpeakerManager();

    54   ~SpeakerManager();

    55   void DispatchSimpleEvent(const nsAString& aStr);

    56   // This api's force speaker setting

    57   bool mForcespeaker;

    58   bool mVisible;

    59 };

    61 } // namespace dom

    62 } // namespace mozilla

    64 #endif // mozilla_dom_SpeakerManager_h

The Tor Browser / file revision

dom/speakermanager/SpeakerManager.h@97036ab72558

dom/speakermanager/SpeakerManager.h