зеркало из https://github.com/mozilla/gecko-dev.git
122 строки
3.3 KiB
C++
122 строки
3.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "SpeakerManagerServiceChild.h"
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#include "mozilla/Services.h"
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#include "mozilla/StaticPtr.h"
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#include "mozilla/unused.h"
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#include "mozilla/dom/ContentChild.h"
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#include "mozilla/dom/ContentParent.h"
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#include "nsIObserverService.h"
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#include "nsThreadUtils.h"
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#include "AudioChannelService.h"
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#include <cutils/properties.h>
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using namespace mozilla;
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using namespace mozilla::dom;
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StaticRefPtr<SpeakerManagerServiceChild> gSpeakerManagerServiceChild;
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// static
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SpeakerManagerService*
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SpeakerManagerServiceChild::GetOrCreateSpeakerManagerService()
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{
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MOZ_ASSERT(NS_IsMainThread());
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// If we already exist, exit early
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if (gSpeakerManagerServiceChild) {
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return gSpeakerManagerServiceChild;
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}
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// Create new instance, register, return
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nsRefPtr<SpeakerManagerServiceChild> service = new SpeakerManagerServiceChild();
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gSpeakerManagerServiceChild = service;
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return gSpeakerManagerServiceChild;
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}
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// static
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SpeakerManagerService*
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SpeakerManagerServiceChild::GetSpeakerManagerService()
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{
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MOZ_ASSERT(NS_IsMainThread());
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return gSpeakerManagerServiceChild;
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}
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void
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SpeakerManagerServiceChild::ForceSpeaker(bool aEnable, bool aVisible)
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{
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mVisible = aVisible;
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mOrgSpeakerStatus = aEnable;
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ContentChild *cc = ContentChild::GetSingleton();
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if (cc) {
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cc->SendSpeakerManagerForceSpeaker(aEnable && aVisible);
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}
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}
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bool
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SpeakerManagerServiceChild::GetSpeakerStatus()
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{
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ContentChild *cc = ContentChild::GetSingleton();
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bool status = false;
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if (cc) {
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cc->SendSpeakerManagerGetSpeakerStatus(&status);
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}
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char propQemu[PROPERTY_VALUE_MAX];
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property_get("ro.kernel.qemu", propQemu, "");
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if (!strncmp(propQemu, "1", 1)) {
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return mOrgSpeakerStatus;
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}
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return status;
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}
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void
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SpeakerManagerServiceChild::Shutdown()
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{
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if (gSpeakerManagerServiceChild) {
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gSpeakerManagerServiceChild = nullptr;
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}
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}
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void
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SpeakerManagerServiceChild::SetAudioChannelActive(bool aIsActive)
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{
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// Content process and switch to background with no audio and speaker forced.
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// Then disable speaker
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for (uint32_t i = 0; i < mRegisteredSpeakerManagers.Length(); i++) {
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mRegisteredSpeakerManagers[i]->SetAudioChannelActive(aIsActive);
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}
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}
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SpeakerManagerServiceChild::SpeakerManagerServiceChild()
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{
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MOZ_ASSERT(NS_IsMainThread());
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nsRefPtr<AudioChannelService> audioChannelService = AudioChannelService::GetOrCreate();
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if (audioChannelService) {
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audioChannelService->RegisterSpeakerManager(this);
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}
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MOZ_COUNT_CTOR(SpeakerManagerServiceChild);
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}
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SpeakerManagerServiceChild::~SpeakerManagerServiceChild()
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{
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nsRefPtr<AudioChannelService> audioChannelService = AudioChannelService::GetOrCreate();
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if (audioChannelService) {
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audioChannelService->UnregisterSpeakerManager(this);
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}
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MOZ_COUNT_DTOR(SpeakerManagerServiceChild);
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}
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void
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SpeakerManagerServiceChild::Notify()
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{
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for (uint32_t i = 0; i < mRegisteredSpeakerManagers.Length(); i++) {
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mRegisteredSpeakerManagers[i]->DispatchSimpleEvent(NS_LITERAL_STRING("speakerforcedchange"));
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}
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}
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