gecko-dev/dom/speakermanager/SpeakerManagerServiceChild.cpp

113 lines
3.1 KiB
C++

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