michael@0: /* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
michael@0: /* vim: set ts=2 et sw=2 tw=80: */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0:  * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "SpeakerManagerServiceChild.h"
michael@0: #include "mozilla/Services.h"
michael@0: #include "mozilla/StaticPtr.h"
michael@0: #include "mozilla/unused.h"
michael@0: #include "mozilla/dom/ContentChild.h"
michael@0: #include "mozilla/dom/ContentParent.h"
michael@0: #include "nsIObserverService.h"
michael@0: #include "nsThreadUtils.h"
michael@0: #include "AudioChannelService.h"
michael@0: #include <cutils/properties.h>
michael@0: 
michael@0: using namespace mozilla;
michael@0: using namespace mozilla::dom;
michael@0: 
michael@0: StaticRefPtr<SpeakerManagerServiceChild> gSpeakerManagerServiceChild;
michael@0: 
michael@0: // static
michael@0: SpeakerManagerService*
michael@0: SpeakerManagerServiceChild::GetSpeakerManagerService()
michael@0: {
michael@0:   MOZ_ASSERT(NS_IsMainThread());
michael@0: 
michael@0:   // If we already exist, exit early
michael@0:   if (gSpeakerManagerServiceChild) {
michael@0:     return gSpeakerManagerServiceChild;
michael@0:   }
michael@0: 
michael@0:   // Create new instance, register, return
michael@0:   nsRefPtr<SpeakerManagerServiceChild> service = new SpeakerManagerServiceChild();
michael@0:   NS_ENSURE_TRUE(service, nullptr);
michael@0: 
michael@0:   gSpeakerManagerServiceChild = service;
michael@0:   return gSpeakerManagerServiceChild;
michael@0: }
michael@0: 
michael@0: void
michael@0: SpeakerManagerServiceChild::ForceSpeaker(bool aEnable, bool aVisible)
michael@0: {
michael@0:   mVisible = aVisible;
michael@0:   mOrgSpeakerStatus = aEnable;
michael@0:   ContentChild *cc = ContentChild::GetSingleton();
michael@0:   if (cc) {
michael@0:     cc->SendSpeakerManagerForceSpeaker(aEnable && aVisible);
michael@0:   }
michael@0: }
michael@0: 
michael@0: bool
michael@0: SpeakerManagerServiceChild::GetSpeakerStatus()
michael@0: {
michael@0:   ContentChild *cc = ContentChild::GetSingleton();
michael@0:   bool status = false;
michael@0:   if (cc) {
michael@0:     cc->SendSpeakerManagerGetSpeakerStatus(&status);
michael@0:   }
michael@0:   char propQemu[PROPERTY_VALUE_MAX];
michael@0:   property_get("ro.kernel.qemu", propQemu, "");
michael@0:   if (!strncmp(propQemu, "1", 1)) {
michael@0:     return mOrgSpeakerStatus;
michael@0:   }
michael@0:   return status;
michael@0: }
michael@0: 
michael@0: void
michael@0: SpeakerManagerServiceChild::Shutdown()
michael@0: {
michael@0:   if (gSpeakerManagerServiceChild) {
michael@0:     gSpeakerManagerServiceChild = nullptr;
michael@0:   }
michael@0: }
michael@0: 
michael@0: void
michael@0: SpeakerManagerServiceChild::SetAudioChannelActive(bool aIsActive)
michael@0: {
michael@0:   // Content process and switch to background with no audio and speaker forced.
michael@0:   // Then disable speaker
michael@0:   for (uint32_t i = 0; i < mRegisteredSpeakerManagers.Length(); i++) {
michael@0:     mRegisteredSpeakerManagers[i]->SetAudioChannelActive(aIsActive);
michael@0:   }
michael@0: }
michael@0: 
michael@0: SpeakerManagerServiceChild::SpeakerManagerServiceChild()
michael@0: {
michael@0:   MOZ_ASSERT(NS_IsMainThread());
michael@0:   AudioChannelService* audioChannelService = AudioChannelService::GetAudioChannelService();
michael@0:   if (audioChannelService) {
michael@0:     audioChannelService->RegisterSpeakerManager(this);
michael@0:   }
michael@0:   MOZ_COUNT_CTOR(SpeakerManagerServiceChild);
michael@0: }
michael@0: 
michael@0: SpeakerManagerServiceChild::~SpeakerManagerServiceChild()
michael@0: {
michael@0:   AudioChannelService* audioChannelService = AudioChannelService::GetAudioChannelService();
michael@0:   if (audioChannelService) {
michael@0:     audioChannelService->UnregisterSpeakerManager(this);
michael@0:   }
michael@0:   MOZ_COUNT_DTOR(SpeakerManagerServiceChild);
michael@0: }
michael@0: 
michael@0: void
michael@0: SpeakerManagerServiceChild::Notify()
michael@0: {
michael@0:   for (uint32_t i = 0; i < mRegisteredSpeakerManagers.Length(); i++) {
michael@0:     mRegisteredSpeakerManagers[i]->DispatchSimpleEvent(NS_LITERAL_STRING("speakerforcedchange"));
michael@0:   }
michael@0: }