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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "services/audio/service.h"
#include <utility>
#include "base/logging.h"
#include "base/macros.h"
#include "base/single_thread_task_runner.h"
#include "build/build_config.h"
#include "media/audio/audio_manager.h"
#include "services/audio/debug_recording.h"
#include "services/audio/system_info.h"
#include "services/service_manager/public/cpp/service_context.h"
namespace audio {
Service::Service(std::unique_ptr<AudioManagerAccessor> audio_manager_accessor)
: audio_manager_accessor_(std::move(audio_manager_accessor)) {
DCHECK(audio_manager_accessor_);
}
Service::~Service() {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
}
void Service::OnStart() {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
DVLOG(4) << "audio::Service::OnStart";
registry_.AddInterface<mojom::SystemInfo>(base::BindRepeating(
&Service::BindSystemInfoRequest, base::Unretained(this)));
registry_.AddInterface<mojom::DebugRecording>(base::BindRepeating(
&Service::BindDebugRecordingRequest, base::Unretained(this)));
}
void Service::OnBindInterface(
const service_manager::BindSourceInfo& source_info,
const std::string& interface_name,
mojo::ScopedMessagePipeHandle interface_pipe) {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
DVLOG(4) << "audio::Service::OnBindInterface";
registry_.BindInterface(interface_name, std::move(interface_pipe));
}
bool Service::OnServiceManagerConnectionLost() {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
// Reset |debug_recording_| to disable debug recording before AudioManager
// shutdown.
debug_recording_.reset();
audio_manager_accessor_->Shutdown();
return true;
}
void Service::BindSystemInfoRequest(mojom::SystemInfoRequest request) {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
if (!system_info_) {
DVLOG(4)
<< "audio::Service::BindSystemInfoRequest: lazy SystemInfo creation";
system_info_ = std::make_unique<SystemInfo>(
audio_manager_accessor_->GetAudioManager());
}
system_info_->Bind(std::move(request));
}
void Service::BindDebugRecordingRequest(mojom::DebugRecordingRequest request) {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
// Accept only one bind request at a time. Old request is overwritten.
// |debug_recording_| must be reset first to disable debug recording, and then
// create a new DebugRecording instance to enable debug recording.
debug_recording_.reset();
debug_recording_ = std::make_unique<DebugRecording>(
std::move(request), audio_manager_accessor_->GetAudioManager());
}
} // namespace audio
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