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comparison: dom/audiochannel/AudioChannelServiceChild.cpp
dom/audiochannel/AudioChannelServiceChild.cpp
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| 1 /* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */ | |
| 2 /* vim: set ts=2 et sw=2 tw=80: */ | |
| 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 file, | |
| 5 * You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #include "AudioChannelServiceChild.h" | |
| 8 | |
| 9 #include "base/basictypes.h" | |
| 10 | |
| 11 #include "mozilla/Services.h" | |
| 12 #include "mozilla/StaticPtr.h" | |
| 13 #include "mozilla/unused.h" | |
| 14 #include "mozilla/dom/ContentChild.h" | |
| 15 #include "mozilla/dom/ContentParent.h" | |
| 16 #include "nsIObserverService.h" | |
| 17 #include "nsThreadUtils.h" | |
| 18 | |
| 19 #ifdef MOZ_WIDGET_GONK | |
| 20 #include "SpeakerManagerService.h" | |
| 21 #endif | |
| 22 | |
| 23 using namespace mozilla; | |
| 24 using namespace mozilla::dom; | |
| 25 using namespace mozilla::hal; | |
| 26 | |
| 27 StaticRefPtr<AudioChannelServiceChild> gAudioChannelServiceChild; | |
| 28 | |
| 29 // static | |
| 30 AudioChannelService* | |
| 31 AudioChannelServiceChild::GetAudioChannelService() | |
| 32 { | |
| 33 MOZ_ASSERT(NS_IsMainThread()); | |
| 34 | |
| 35 // If we already exist, exit early | |
| 36 if (gAudioChannelServiceChild) { | |
| 37 return gAudioChannelServiceChild; | |
| 38 } | |
| 39 | |
| 40 // Create new instance, register, return | |
| 41 nsRefPtr<AudioChannelServiceChild> service = new AudioChannelServiceChild(); | |
| 42 NS_ENSURE_TRUE(service, nullptr); | |
| 43 | |
| 44 gAudioChannelServiceChild = service; | |
| 45 return gAudioChannelServiceChild; | |
| 46 } | |
| 47 | |
| 48 void | |
| 49 AudioChannelServiceChild::Shutdown() | |
| 50 { | |
| 51 if (gAudioChannelServiceChild) { | |
| 52 gAudioChannelServiceChild = nullptr; | |
| 53 } | |
| 54 } | |
| 55 | |
| 56 AudioChannelServiceChild::AudioChannelServiceChild() | |
| 57 { | |
| 58 } | |
| 59 | |
| 60 AudioChannelServiceChild::~AudioChannelServiceChild() | |
| 61 { | |
| 62 } | |
| 63 | |
| 64 AudioChannelState | |
| 65 AudioChannelServiceChild::GetState(AudioChannelAgent* aAgent, bool aElementHidden) | |
| 66 { | |
| 67 AudioChannelAgentData* data; | |
| 68 if (!mAgents.Get(aAgent, &data)) { | |
| 69 return AUDIO_CHANNEL_STATE_MUTED; | |
| 70 } | |
| 71 | |
| 72 AudioChannelState state = AUDIO_CHANNEL_STATE_MUTED; | |
| 73 bool oldElementHidden = data->mElementHidden; | |
| 74 | |
| 75 UpdateChannelType(data->mChannel, CONTENT_PROCESS_ID_MAIN, aElementHidden, | |
| 76 oldElementHidden); | |
| 77 | |
| 78 // Update visibility. | |
| 79 data->mElementHidden = aElementHidden; | |
| 80 | |
| 81 ContentChild* cc = ContentChild::GetSingleton(); | |
| 82 cc->SendAudioChannelGetState(data->mChannel, aElementHidden, oldElementHidden, | |
| 83 &state); | |
| 84 data->mState = state; | |
| 85 cc->SendAudioChannelChangedNotification(); | |
| 86 | |
| 87 return state; | |
| 88 } | |
| 89 | |
| 90 void | |
| 91 AudioChannelServiceChild::RegisterAudioChannelAgent(AudioChannelAgent* aAgent, | |
| 92 AudioChannel aChannel, | |
| 93 bool aWithVideo) | |
| 94 { | |
| 95 AudioChannelService::RegisterAudioChannelAgent(aAgent, aChannel, aWithVideo); | |
| 96 | |
| 97 ContentChild::GetSingleton()->SendAudioChannelRegisterType(aChannel, aWithVideo); | |
| 98 | |
| 99 nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService(); | |
| 100 if (obs) { | |
| 101 obs->NotifyObservers(nullptr, "audio-channel-agent-changed", nullptr); | |
| 102 } | |
| 103 } | |
| 104 | |
| 105 void | |
| 106 AudioChannelServiceChild::UnregisterAudioChannelAgent(AudioChannelAgent* aAgent) | |
| 107 { | |
| 108 AudioChannelAgentData *pData; | |
| 109 if (!mAgents.Get(aAgent, &pData)) { | |
| 110 return; | |
| 111 } | |
| 112 | |
| 113 // We need to keep a copy because unregister will remove the | |
| 114 // AudioChannelAgentData object from the hashtable. | |
| 115 AudioChannelAgentData data(*pData); | |
| 116 | |
| 117 AudioChannelService::UnregisterAudioChannelAgent(aAgent); | |
| 118 | |
| 119 ContentChild::GetSingleton()->SendAudioChannelUnregisterType( | |
| 120 data.mChannel, data.mElementHidden, data.mWithVideo); | |
| 121 | |
| 122 nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService(); | |
| 123 if (obs) { | |
| 124 obs->NotifyObservers(nullptr, "audio-channel-agent-changed", nullptr); | |
| 125 } | |
| 126 #ifdef MOZ_WIDGET_GONK | |
| 127 bool active = AnyAudioChannelIsActive(); | |
| 128 for (uint32_t i = 0; i < mSpeakerManager.Length(); i++) { | |
| 129 mSpeakerManager[i]->SetAudioChannelActive(active); | |
| 130 } | |
| 131 #endif | |
| 132 } | |
| 133 | |
| 134 void | |
| 135 AudioChannelServiceChild::SetDefaultVolumeControlChannel(int32_t aChannel, | |
| 136 bool aHidden) | |
| 137 { | |
| 138 ContentChild *cc = ContentChild::GetSingleton(); | |
| 139 if (cc) { | |
| 140 cc->SendAudioChannelChangeDefVolChannel(aChannel, aHidden); | |
| 141 } | |
| 142 } |
