The Tor Browser: content/media/webspeech/synth/pico/nsPicoService.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 nsPicoService_h

     8 #define nsPicoService_h

    10 #include "mozilla/Mutex.h"

    11 #include "nsAutoPtr.h"

    12 #include "nsTArray.h"

    13 #include "nsIThread.h"

    14 #include "nsISpeechService.h"

    15 #include "nsRefPtrHashtable.h"

    16 #include "mozilla/StaticPtr.h"

    17 #include "mozilla/Monitor.h"

    19 namespace mozilla {

    20 namespace dom {

    22 class PicoVoice;

    23 class PicoCallbackRunnable;

    25 typedef void* pico_System;

    26 typedef void* pico_Resource;

    27 typedef void* pico_Engine;

    29 class nsPicoService : public nsISpeechService

    30 {

    31   friend class PicoCallbackRunnable;

    32   friend class PicoInitRunnable;

    34 public:

    35   NS_DECL_THREADSAFE_ISUPPORTS

    36   NS_DECL_NSISPEECHSERVICE

    38   nsPicoService();

    40   virtual ~nsPicoService();

    42   static nsPicoService* GetInstance();

    44   static already_AddRefed<nsPicoService> GetInstanceForService();

    46   static void Shutdown();

    48 private:

    50   void Init();

    52   void RegisterVoices();

    54   bool GetVoiceFileLanguage(const nsACString& aFileName, nsAString& aLang);

    56   void LoadEngine(PicoVoice* aVoice);

    58   void UnloadEngine();

    60   PicoVoice* CurrentVoice();

    62   bool mInitialized;

    64   nsCOMPtr<nsIThread> mThread;

    66   nsRefPtrHashtable<nsStringHashKey, PicoVoice> mVoices;

    68   Monitor mVoicesMonitor;

    70   PicoVoice* mCurrentVoice;

    72   Atomic<nsISpeechTask*> mCurrentTask;

    74   pico_System mPicoSystem;

    76   pico_Engine mPicoEngine;

    78   pico_Resource mSgResource;

    80   pico_Resource mTaResource;

    82   nsAutoPtr<uint8_t> mPicoMemArea;

    84   static StaticRefPtr<nsPicoService> sSingleton;

    85 };

    87 } // namespace dom

    88 } // namespace mozilla

    90 #endif

The Tor Browser / file revision

content/media/webspeech/synth/pico/nsPicoService.h@97036ab72558

content/media/webspeech/synth/pico/nsPicoService.h