The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/dom/audiochannel/AudioChannelServiceChild.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,142 @@
     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 "AudioChannelServiceChild.h"
    1.11 +
    1.12 +#include "base/basictypes.h"
    1.13 +
    1.14 +#include "mozilla/Services.h"
    1.15 +#include "mozilla/StaticPtr.h"
    1.16 +#include "mozilla/unused.h"
    1.17 +#include "mozilla/dom/ContentChild.h"
    1.18 +#include "mozilla/dom/ContentParent.h"
    1.19 +#include "nsIObserverService.h"
    1.20 +#include "nsThreadUtils.h"
    1.21 +
    1.22 +#ifdef MOZ_WIDGET_GONK
    1.23 +#include "SpeakerManagerService.h"
    1.24 +#endif
    1.25 +
    1.26 +using namespace mozilla;
    1.27 +using namespace mozilla::dom;
    1.28 +using namespace mozilla::hal;
    1.29 +
    1.30 +StaticRefPtr<AudioChannelServiceChild> gAudioChannelServiceChild;
    1.31 +
    1.32 +// static
    1.33 +AudioChannelService*
    1.34 +AudioChannelServiceChild::GetAudioChannelService()
    1.35 +{
    1.36 +  MOZ_ASSERT(NS_IsMainThread());
    1.37 +
    1.38 +  // If we already exist, exit early
    1.39 +  if (gAudioChannelServiceChild) {
    1.40 +    return gAudioChannelServiceChild;
    1.41 +  }
    1.42 +
    1.43 +  // Create new instance, register, return
    1.44 +  nsRefPtr<AudioChannelServiceChild> service = new AudioChannelServiceChild();
    1.45 +  NS_ENSURE_TRUE(service, nullptr);
    1.46 +
    1.47 +  gAudioChannelServiceChild = service;
    1.48 +  return gAudioChannelServiceChild;
    1.49 +}
    1.50 +
    1.51 +void
    1.52 +AudioChannelServiceChild::Shutdown()
    1.53 +{
    1.54 +  if (gAudioChannelServiceChild) {
    1.55 +    gAudioChannelServiceChild = nullptr;
    1.56 +  }
    1.57 +}
    1.58 +
    1.59 +AudioChannelServiceChild::AudioChannelServiceChild()
    1.60 +{
    1.61 +}
    1.62 +
    1.63 +AudioChannelServiceChild::~AudioChannelServiceChild()
    1.64 +{
    1.65 +}
    1.66 +
    1.67 +AudioChannelState
    1.68 +AudioChannelServiceChild::GetState(AudioChannelAgent* aAgent, bool aElementHidden)
    1.69 +{
    1.70 +  AudioChannelAgentData* data;
    1.71 +  if (!mAgents.Get(aAgent, &data)) {
    1.72 +    return AUDIO_CHANNEL_STATE_MUTED;
    1.73 +  }
    1.74 +
    1.75 +  AudioChannelState state = AUDIO_CHANNEL_STATE_MUTED;
    1.76 +  bool oldElementHidden = data->mElementHidden;
    1.77 +
    1.78 +  UpdateChannelType(data->mChannel, CONTENT_PROCESS_ID_MAIN, aElementHidden,
    1.79 +                    oldElementHidden);
    1.80 +
    1.81 +  // Update visibility.
    1.82 +  data->mElementHidden = aElementHidden;
    1.83 +
    1.84 +  ContentChild* cc = ContentChild::GetSingleton();
    1.85 +  cc->SendAudioChannelGetState(data->mChannel, aElementHidden, oldElementHidden,
    1.86 +                               &state);
    1.87 +  data->mState = state;
    1.88 +  cc->SendAudioChannelChangedNotification();
    1.89 +
    1.90 +  return state;
    1.91 +}
    1.92 +
    1.93 +void
    1.94 +AudioChannelServiceChild::RegisterAudioChannelAgent(AudioChannelAgent* aAgent,
    1.95 +                                                    AudioChannel aChannel,
    1.96 +                                                    bool aWithVideo)
    1.97 +{
    1.98 +  AudioChannelService::RegisterAudioChannelAgent(aAgent, aChannel, aWithVideo);
    1.99 +
   1.100 +  ContentChild::GetSingleton()->SendAudioChannelRegisterType(aChannel, aWithVideo);
   1.101 +
   1.102 +  nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
   1.103 +  if (obs) {
   1.104 +    obs->NotifyObservers(nullptr, "audio-channel-agent-changed", nullptr);
   1.105 +  }
   1.106 +}
   1.107 +
   1.108 +void
   1.109 +AudioChannelServiceChild::UnregisterAudioChannelAgent(AudioChannelAgent* aAgent)
   1.110 +{
   1.111 +  AudioChannelAgentData *pData;
   1.112 +  if (!mAgents.Get(aAgent, &pData)) {
   1.113 +    return;
   1.114 +  }
   1.115 +
   1.116 +  // We need to keep a copy because unregister will remove the
   1.117 +  // AudioChannelAgentData object from the hashtable.
   1.118 +  AudioChannelAgentData data(*pData);
   1.119 +
   1.120 +  AudioChannelService::UnregisterAudioChannelAgent(aAgent);
   1.121 +
   1.122 +  ContentChild::GetSingleton()->SendAudioChannelUnregisterType(
   1.123 +      data.mChannel, data.mElementHidden, data.mWithVideo);
   1.124 +
   1.125 +  nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
   1.126 +  if (obs) {
   1.127 +    obs->NotifyObservers(nullptr, "audio-channel-agent-changed", nullptr);
   1.128 +  }
   1.129 +#ifdef MOZ_WIDGET_GONK
   1.130 +  bool active = AnyAudioChannelIsActive();
   1.131 +  for (uint32_t i = 0; i < mSpeakerManager.Length(); i++) {
   1.132 +    mSpeakerManager[i]->SetAudioChannelActive(active);
   1.133 +  }
   1.134 +#endif
   1.135 +}
   1.136 +
   1.137 +void
   1.138 +AudioChannelServiceChild::SetDefaultVolumeControlChannel(int32_t aChannel,
   1.139 +                                                         bool aHidden)
   1.140 +{
   1.141 +  ContentChild *cc = ContentChild::GetSingleton();
   1.142 +  if (cc) {
   1.143 +    cc->SendAudioChannelChangeDefVolChannel(aChannel, aHidden);
   1.144 +  }
   1.145 +}