The Tor Browser: content/media/webspeech/synth/nsSpeechTask.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++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* vim:set ts=2 sw=2 sts=2 et cindent: */

     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/. */

     7 #ifndef mozilla_dom_nsSpeechTask_h

     8 #define mozilla_dom_nsSpeechTask_h

    10 #include "MediaStreamGraph.h"

    11 #include "SpeechSynthesisUtterance.h"

    12 #include "nsISpeechService.h"

    14 namespace mozilla {

    15 namespace dom {

    17 class SpeechSynthesisUtterance;

    18 class SpeechSynthesis;

    19 class SynthStreamListener;

    21 class nsSpeechTask : public nsISpeechTask

    22 {

    23   friend class SynthStreamListener;

    25 public:

    26   NS_DECL_CYCLE_COLLECTING_ISUPPORTS

    27   NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsSpeechTask, nsISpeechTask)

    29   NS_DECL_NSISPEECHTASK

    31   nsSpeechTask(SpeechSynthesisUtterance* aUtterance);

    32   nsSpeechTask(float aVolume, const nsAString& aText);

    34   virtual ~nsSpeechTask();

    36   virtual void Pause();

    38   virtual void Resume();

    40   virtual void Cancel();

    42   float GetCurrentTime();

    44   uint32_t GetCurrentCharOffset();

    46   void SetSpeechSynthesis(SpeechSynthesis* aSpeechSynthesis);

    48   void SetIndirectAudio(bool aIndirectAudio) { mIndirectAudio = aIndirectAudio; }

    50 protected:

    51   virtual nsresult DispatchStartImpl();

    53   virtual nsresult DispatchEndImpl(float aElapsedTime, uint32_t aCharIndex);

    55   virtual nsresult DispatchPauseImpl(float aElapsedTime, uint32_t aCharIndex);

    57   virtual nsresult DispatchResumeImpl(float aElapsedTime, uint32_t aCharIndex);

    59   virtual nsresult DispatchErrorImpl(float aElapsedTime, uint32_t aCharIndex);

    61   virtual nsresult DispatchBoundaryImpl(const nsAString& aName,

    62                                         float aElapsedTime,

    63                                         uint32_t aCharIndex);

    65   virtual nsresult DispatchMarkImpl(const nsAString& aName,

    66                                     float aElapsedTime, uint32_t aCharIndex);

    68   nsRefPtr<SpeechSynthesisUtterance> mUtterance;

    70   float mVolume;

    72   nsString mText;

    74 private:

    75   void End();

    77   void SendAudioImpl(int16_t* aData, uint32_t aDataLen);

    79   nsRefPtr<SourceMediaStream> mStream;

    81   nsCOMPtr<nsISpeechTaskCallback> mCallback;

    83   uint32_t mChannels;

    85   nsRefPtr<SpeechSynthesis> mSpeechSynthesis;

    87   bool mIndirectAudio;

    88 };

    90 } // namespace dom

    91 } // namespace mozilla

    93 #endif

The Tor Browser / file revision

content/media/webspeech/synth/nsSpeechTask.h@97036ab72558

content/media/webspeech/synth/nsSpeechTask.h