The Tor Browser / file comparison
comparison: dom/speakermanager/SpeakerManagerServiceChild.cpp
dom/speakermanager/SpeakerManagerServiceChild.cpp
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
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| -1:000000000000 | 0:5e223c99a73e |
|---|---|
| 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 "SpeakerManagerServiceChild.h" | |
| 8 #include "mozilla/Services.h" | |
| 9 #include "mozilla/StaticPtr.h" | |
| 10 #include "mozilla/unused.h" | |
| 11 #include "mozilla/dom/ContentChild.h" | |
| 12 #include "mozilla/dom/ContentParent.h" | |
| 13 #include "nsIObserverService.h" | |
| 14 #include "nsThreadUtils.h" | |
| 15 #include "AudioChannelService.h" | |
| 16 #include <cutils/properties.h> | |
| 17 | |
| 18 using namespace mozilla; | |
| 19 using namespace mozilla::dom; | |
| 20 | |
| 21 StaticRefPtr<SpeakerManagerServiceChild> gSpeakerManagerServiceChild; | |
| 22 | |
| 23 // static | |
| 24 SpeakerManagerService* | |
| 25 SpeakerManagerServiceChild::GetSpeakerManagerService() | |
| 26 { | |
| 27 MOZ_ASSERT(NS_IsMainThread()); | |
| 28 | |
| 29 // If we already exist, exit early | |
| 30 if (gSpeakerManagerServiceChild) { | |
| 31 return gSpeakerManagerServiceChild; | |
| 32 } | |
| 33 | |
| 34 // Create new instance, register, return | |
| 35 nsRefPtr<SpeakerManagerServiceChild> service = new SpeakerManagerServiceChild(); | |
| 36 NS_ENSURE_TRUE(service, nullptr); | |
| 37 | |
| 38 gSpeakerManagerServiceChild = service; | |
| 39 return gSpeakerManagerServiceChild; | |
| 40 } | |
| 41 | |
| 42 void | |
| 43 SpeakerManagerServiceChild::ForceSpeaker(bool aEnable, bool aVisible) | |
| 44 { | |
| 45 mVisible = aVisible; | |
| 46 mOrgSpeakerStatus = aEnable; | |
| 47 ContentChild *cc = ContentChild::GetSingleton(); | |
| 48 if (cc) { | |
| 49 cc->SendSpeakerManagerForceSpeaker(aEnable && aVisible); | |
| 50 } | |
| 51 } | |
| 52 | |
| 53 bool | |
| 54 SpeakerManagerServiceChild::GetSpeakerStatus() | |
| 55 { | |
| 56 ContentChild *cc = ContentChild::GetSingleton(); | |
| 57 bool status = false; | |
| 58 if (cc) { | |
| 59 cc->SendSpeakerManagerGetSpeakerStatus(&status); | |
| 60 } | |
| 61 char propQemu[PROPERTY_VALUE_MAX]; | |
| 62 property_get("ro.kernel.qemu", propQemu, ""); | |
| 63 if (!strncmp(propQemu, "1", 1)) { | |
| 64 return mOrgSpeakerStatus; | |
| 65 } | |
| 66 return status; | |
| 67 } | |
| 68 | |
| 69 void | |
| 70 SpeakerManagerServiceChild::Shutdown() | |
| 71 { | |
| 72 if (gSpeakerManagerServiceChild) { | |
| 73 gSpeakerManagerServiceChild = nullptr; | |
| 74 } | |
| 75 } | |
| 76 | |
| 77 void | |
| 78 SpeakerManagerServiceChild::SetAudioChannelActive(bool aIsActive) | |
| 79 { | |
| 80 // Content process and switch to background with no audio and speaker forced. | |
| 81 // Then disable speaker | |
| 82 for (uint32_t i = 0; i < mRegisteredSpeakerManagers.Length(); i++) { | |
| 83 mRegisteredSpeakerManagers[i]->SetAudioChannelActive(aIsActive); | |
| 84 } | |
| 85 } | |
| 86 | |
| 87 SpeakerManagerServiceChild::SpeakerManagerServiceChild() | |
| 88 { | |
| 89 MOZ_ASSERT(NS_IsMainThread()); | |
| 90 AudioChannelService* audioChannelService = AudioChannelService::GetAudioChannelService(); | |
| 91 if (audioChannelService) { | |
| 92 audioChannelService->RegisterSpeakerManager(this); | |
| 93 } | |
| 94 MOZ_COUNT_CTOR(SpeakerManagerServiceChild); | |
| 95 } | |
| 96 | |
| 97 SpeakerManagerServiceChild::~SpeakerManagerServiceChild() | |
| 98 { | |
| 99 AudioChannelService* audioChannelService = AudioChannelService::GetAudioChannelService(); | |
| 100 if (audioChannelService) { | |
| 101 audioChannelService->UnregisterSpeakerManager(this); | |
| 102 } | |
| 103 MOZ_COUNT_DTOR(SpeakerManagerServiceChild); | |
| 104 } | |
| 105 | |
| 106 void | |
| 107 SpeakerManagerServiceChild::Notify() | |
| 108 { | |
| 109 for (uint32_t i = 0; i < mRegisteredSpeakerManagers.Length(); i++) { | |
| 110 mRegisteredSpeakerManagers[i]->DispatchSimpleEvent(NS_LITERAL_STRING("speakerforcedchange")); | |
| 111 } | |
| 112 } |
