The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/dom/speakermanager/SpeakerManagerServiceChild.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,112 @@
     1.4 +/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
     1.5 +/* vim: set ts=2 et sw=2 tw=80: */
     1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
     1.8 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.9 +
    1.10 +#include "SpeakerManagerServiceChild.h"
    1.11 +#include "mozilla/Services.h"
    1.12 +#include "mozilla/StaticPtr.h"
    1.13 +#include "mozilla/unused.h"
    1.14 +#include "mozilla/dom/ContentChild.h"
    1.15 +#include "mozilla/dom/ContentParent.h"
    1.16 +#include "nsIObserverService.h"
    1.17 +#include "nsThreadUtils.h"
    1.18 +#include "AudioChannelService.h"
    1.19 +#include <cutils/properties.h>
    1.20 +
    1.21 +using namespace mozilla;
    1.22 +using namespace mozilla::dom;
    1.23 +
    1.24 +StaticRefPtr<SpeakerManagerServiceChild> gSpeakerManagerServiceChild;
    1.25 +
    1.26 +// static
    1.27 +SpeakerManagerService*
    1.28 +SpeakerManagerServiceChild::GetSpeakerManagerService()
    1.29 +{
    1.30 +  MOZ_ASSERT(NS_IsMainThread());
    1.31 +
    1.32 +  // If we already exist, exit early
    1.33 +  if (gSpeakerManagerServiceChild) {
    1.34 +    return gSpeakerManagerServiceChild;
    1.35 +  }
    1.36 +
    1.37 +  // Create new instance, register, return
    1.38 +  nsRefPtr<SpeakerManagerServiceChild> service = new SpeakerManagerServiceChild();
    1.39 +  NS_ENSURE_TRUE(service, nullptr);
    1.40 +
    1.41 +  gSpeakerManagerServiceChild = service;
    1.42 +  return gSpeakerManagerServiceChild;
    1.43 +}
    1.44 +
    1.45 +void
    1.46 +SpeakerManagerServiceChild::ForceSpeaker(bool aEnable, bool aVisible)
    1.47 +{
    1.48 +  mVisible = aVisible;
    1.49 +  mOrgSpeakerStatus = aEnable;
    1.50 +  ContentChild *cc = ContentChild::GetSingleton();
    1.51 +  if (cc) {
    1.52 +    cc->SendSpeakerManagerForceSpeaker(aEnable && aVisible);
    1.53 +  }
    1.54 +}
    1.55 +
    1.56 +bool
    1.57 +SpeakerManagerServiceChild::GetSpeakerStatus()
    1.58 +{
    1.59 +  ContentChild *cc = ContentChild::GetSingleton();
    1.60 +  bool status = false;
    1.61 +  if (cc) {
    1.62 +    cc->SendSpeakerManagerGetSpeakerStatus(&status);
    1.63 +  }
    1.64 +  char propQemu[PROPERTY_VALUE_MAX];
    1.65 +  property_get("ro.kernel.qemu", propQemu, "");
    1.66 +  if (!strncmp(propQemu, "1", 1)) {
    1.67 +    return mOrgSpeakerStatus;
    1.68 +  }
    1.69 +  return status;
    1.70 +}
    1.71 +
    1.72 +void
    1.73 +SpeakerManagerServiceChild::Shutdown()
    1.74 +{
    1.75 +  if (gSpeakerManagerServiceChild) {
    1.76 +    gSpeakerManagerServiceChild = nullptr;
    1.77 +  }
    1.78 +}
    1.79 +
    1.80 +void
    1.81 +SpeakerManagerServiceChild::SetAudioChannelActive(bool aIsActive)
    1.82 +{
    1.83 +  // Content process and switch to background with no audio and speaker forced.
    1.84 +  // Then disable speaker
    1.85 +  for (uint32_t i = 0; i < mRegisteredSpeakerManagers.Length(); i++) {
    1.86 +    mRegisteredSpeakerManagers[i]->SetAudioChannelActive(aIsActive);
    1.87 +  }
    1.88 +}
    1.89 +
    1.90 +SpeakerManagerServiceChild::SpeakerManagerServiceChild()
    1.91 +{
    1.92 +  MOZ_ASSERT(NS_IsMainThread());
    1.93 +  AudioChannelService* audioChannelService = AudioChannelService::GetAudioChannelService();
    1.94 +  if (audioChannelService) {
    1.95 +    audioChannelService->RegisterSpeakerManager(this);
    1.96 +  }
    1.97 +  MOZ_COUNT_CTOR(SpeakerManagerServiceChild);
    1.98 +}
    1.99 +
   1.100 +SpeakerManagerServiceChild::~SpeakerManagerServiceChild()
   1.101 +{
   1.102 +  AudioChannelService* audioChannelService = AudioChannelService::GetAudioChannelService();
   1.103 +  if (audioChannelService) {
   1.104 +    audioChannelService->UnregisterSpeakerManager(this);
   1.105 +  }
   1.106 +  MOZ_COUNT_DTOR(SpeakerManagerServiceChild);
   1.107 +}
   1.108 +
   1.109 +void
   1.110 +SpeakerManagerServiceChild::Notify()
   1.111 +{
   1.112 +  for (uint32_t i = 0; i < mRegisteredSpeakerManagers.Length(); i++) {
   1.113 +    mRegisteredSpeakerManagers[i]->DispatchSimpleEvent(NS_LITERAL_STRING("speakerforcedchange"));
   1.114 +  }
   1.115 +}