1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/speakermanager/SpeakerManagerService.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,198 @@
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 "SpeakerManagerService.h"
1.11 +#include "SpeakerManagerServiceChild.h"
1.12 +#include "mozilla/Services.h"
1.13 +#include "mozilla/StaticPtr.h"
1.14 +#include "mozilla/unused.h"
1.15 +#include "mozilla/dom/ContentParent.h"
1.16 +#include "nsIPropertyBag2.h"
1.17 +#include "nsThreadUtils.h"
1.18 +#include "nsServiceManagerUtils.h"
1.19 +#include "AudioChannelService.h"
1.20 +#include <cutils/properties.h>
1.21 +
1.22 +#define NS_AUDIOMANAGER_CONTRACTID "@mozilla.org/telephony/audiomanager;1"
1.23 +#include "nsIAudioManager.h"
1.24 +
1.25 +using namespace mozilla;
1.26 +using namespace mozilla::dom;
1.27 +
1.28 +StaticRefPtr<SpeakerManagerService> gSpeakerManagerService;
1.29 +
1.30 +// static
1.31 +SpeakerManagerService*
1.32 +SpeakerManagerService::GetSpeakerManagerService()
1.33 +{
1.34 + MOZ_ASSERT(NS_IsMainThread());
1.35 +
1.36 + if (XRE_GetProcessType() != GeckoProcessType_Default) {
1.37 + return SpeakerManagerServiceChild::GetSpeakerManagerService();
1.38 + }
1.39 +
1.40 + // If we already exist, exit early
1.41 + if (gSpeakerManagerService) {
1.42 + return gSpeakerManagerService;
1.43 + }
1.44 +
1.45 + // Create new instance, register, return
1.46 + nsRefPtr<SpeakerManagerService> service = new SpeakerManagerService();
1.47 + NS_ENSURE_TRUE(service, nullptr);
1.48 +
1.49 + gSpeakerManagerService = service;
1.50 + return gSpeakerManagerService;
1.51 +}
1.52 +
1.53 +void
1.54 +SpeakerManagerService::Shutdown()
1.55 +{
1.56 + if (XRE_GetProcessType() != GeckoProcessType_Default) {
1.57 + return SpeakerManagerServiceChild::Shutdown();
1.58 + }
1.59 +
1.60 + if (gSpeakerManagerService) {
1.61 + gSpeakerManagerService = nullptr;
1.62 + }
1.63 +}
1.64 +
1.65 +NS_IMPL_ISUPPORTS(SpeakerManagerService, nsIObserver)
1.66 +
1.67 +void
1.68 +SpeakerManagerService::ForceSpeaker(bool aEnable, uint64_t aChildId)
1.69 +{
1.70 + TuruOnSpeaker(aEnable);
1.71 + if (aEnable) {
1.72 + mSpeakerStatusSet.Put(aChildId);
1.73 + }
1.74 + Notify();
1.75 + return;
1.76 +}
1.77 +
1.78 +void
1.79 +SpeakerManagerService::ForceSpeaker(bool aEnable, bool aVisible)
1.80 +{
1.81 + // b2g main process without oop
1.82 + TuruOnSpeaker(aEnable && aVisible);
1.83 + mVisible = aVisible;
1.84 + mOrgSpeakerStatus = aEnable;
1.85 + Notify();
1.86 +}
1.87 +
1.88 +void
1.89 +SpeakerManagerService::TuruOnSpeaker(bool aOn)
1.90 +{
1.91 + nsCOMPtr<nsIAudioManager> audioManager = do_GetService(NS_AUDIOMANAGER_CONTRACTID);
1.92 + NS_ENSURE_TRUE_VOID(audioManager);
1.93 + int32_t phoneState;
1.94 + audioManager->GetPhoneState(&phoneState);
1.95 + int32_t forceuse = (phoneState == nsIAudioManager::PHONE_STATE_IN_CALL ||
1.96 + phoneState == nsIAudioManager::PHONE_STATE_IN_COMMUNICATION)
1.97 + ? nsIAudioManager::USE_COMMUNICATION : nsIAudioManager::USE_MEDIA;
1.98 + if (aOn) {
1.99 + audioManager->SetForceForUse(forceuse, nsIAudioManager::FORCE_SPEAKER);
1.100 + } else {
1.101 + audioManager->SetForceForUse(forceuse, nsIAudioManager::FORCE_NONE);
1.102 + }
1.103 +}
1.104 +
1.105 +bool
1.106 +SpeakerManagerService::GetSpeakerStatus()
1.107 +{
1.108 + char propQemu[PROPERTY_VALUE_MAX];
1.109 + property_get("ro.kernel.qemu", propQemu, "");
1.110 + if (!strncmp(propQemu, "1", 1)) {
1.111 + return mOrgSpeakerStatus;
1.112 + }
1.113 + nsCOMPtr<nsIAudioManager> audioManager = do_GetService(NS_AUDIOMANAGER_CONTRACTID);
1.114 + NS_ENSURE_TRUE(audioManager, false);
1.115 + int32_t usage;
1.116 + audioManager->GetForceForUse(nsIAudioManager::USE_MEDIA, &usage);
1.117 + return usage == nsIAudioManager::FORCE_SPEAKER;
1.118 +}
1.119 +
1.120 +void
1.121 +SpeakerManagerService::Notify()
1.122 +{
1.123 + // Parent Notify to all the child processes.
1.124 + nsTArray<ContentParent*> children;
1.125 + ContentParent::GetAll(children);
1.126 + for (uint32_t i = 0; i < children.Length(); i++) {
1.127 + unused << children[i]->SendSpeakerManagerNotify();
1.128 + }
1.129 +
1.130 + for (uint32_t i = 0; i < mRegisteredSpeakerManagers.Length(); i++) {
1.131 + mRegisteredSpeakerManagers[i]->
1.132 + DispatchSimpleEvent(NS_LITERAL_STRING("speakerforcedchange"));
1.133 + }
1.134 +}
1.135 +
1.136 +void
1.137 +SpeakerManagerService::SetAudioChannelActive(bool aIsActive)
1.138 +{
1.139 + if (!aIsActive && !mVisible) {
1.140 + ForceSpeaker(!mOrgSpeakerStatus, mVisible);
1.141 + }
1.142 +}
1.143 +
1.144 +NS_IMETHODIMP
1.145 +SpeakerManagerService::Observe(nsISupports* aSubject, const char*
1.146 + aTopic, const char16_t* aData)
1.147 +{
1.148 + if (!strcmp(aTopic, "ipc:content-shutdown")) {
1.149 + nsCOMPtr<nsIPropertyBag2> props = do_QueryInterface(aSubject);
1.150 + if (!props) {
1.151 + NS_WARNING("ipc:content-shutdown message without property bag as subject");
1.152 + return NS_OK;
1.153 + }
1.154 +
1.155 + uint64_t childID = 0;
1.156 + nsresult rv = props->GetPropertyAsUint64(NS_LITERAL_STRING("childID"),
1.157 + &childID);
1.158 + if (NS_SUCCEEDED(rv)) {
1.159 + // If the audio has paused by audiochannel,
1.160 + // the enable flag should be false and don't need to handle.
1.161 + if (mSpeakerStatusSet.Contains(childID)) {
1.162 + TuruOnSpeaker(false);
1.163 + mSpeakerStatusSet.Remove(childID);
1.164 + }
1.165 + if (mOrgSpeakerStatus) {
1.166 + TuruOnSpeaker(!mOrgSpeakerStatus);
1.167 + mOrgSpeakerStatus = false;
1.168 + }
1.169 + } else {
1.170 + NS_WARNING("ipc:content-shutdown message without childID property");
1.171 + }
1.172 + }
1.173 + return NS_OK;
1.174 +}
1.175 +
1.176 +SpeakerManagerService::SpeakerManagerService()
1.177 + : mOrgSpeakerStatus(false),
1.178 + mVisible(false)
1.179 +{
1.180 + MOZ_COUNT_CTOR(SpeakerManagerService);
1.181 + if (XRE_GetProcessType() == GeckoProcessType_Default) {
1.182 + nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
1.183 + if (obs) {
1.184 + obs->AddObserver(this, "ipc:content-shutdown", false);
1.185 + }
1.186 + }
1.187 + AudioChannelService* audioChannelService =
1.188 + AudioChannelService::GetAudioChannelService();
1.189 + if (audioChannelService) {
1.190 + audioChannelService->RegisterSpeakerManager(this);
1.191 + }
1.192 +}
1.193 +
1.194 +SpeakerManagerService::~SpeakerManagerService()
1.195 +{
1.196 + MOZ_COUNT_DTOR(SpeakerManagerService);
1.197 + AudioChannelService* audioChannelService =
1.198 + AudioChannelService::GetAudioChannelService();
1.199 + if (audioChannelService)
1.200 + audioChannelService->UnregisterSpeakerManager(this);
1.201 +}
