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// Copyright 2016 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 "components/arc/audio/arc_audio_bridge.h"
#include "ash/system/audio/tray_audio.h"
#include "base/logging.h"
#include "chromeos/audio/audio_device.h"
#include "components/arc/arc_bridge_service.h"
namespace arc {
ArcAudioBridge::ArcAudioBridge(ArcBridgeService* bridge_service)
: ArcService(bridge_service), binding_(this) {
arc_bridge_service()->audio()->AddObserver(this);
if (chromeos::CrasAudioHandler::IsInitialized()) {
cras_audio_handler_ = chromeos::CrasAudioHandler::Get();
cras_audio_handler_->AddAudioObserver(this);
}
}
ArcAudioBridge::~ArcAudioBridge() {
if (cras_audio_handler_ && chromeos::CrasAudioHandler::IsInitialized()) {
cras_audio_handler_->RemoveAudioObserver(this);
}
arc_bridge_service()->audio()->RemoveObserver(this);
}
void ArcAudioBridge::OnInstanceReady() {
mojom::AudioInstance* audio_instance =
ARC_GET_INSTANCE_FOR_METHOD(arc_bridge_service()->audio(), Init);
DCHECK(audio_instance); // the instance on ARC side is too old.
audio_instance->Init(binding_.CreateInterfacePtrAndBind());
}
void ArcAudioBridge::ShowVolumeControls() {
DVLOG(2) << "ArcAudioBridge::ShowVolumeControls";
ash::TrayAudio::ShowPopUpVolumeView();
}
void ArcAudioBridge::OnAudioNodesChanged() {
uint64_t output_id = cras_audio_handler_->GetPrimaryActiveOutputNode();
const chromeos::AudioDevice* output_device =
cras_audio_handler_->GetDeviceFromId(output_id);
bool headphone_inserted =
(output_device &&
output_device->type == chromeos::AudioDeviceType::AUDIO_TYPE_HEADPHONE);
uint64_t input_id = cras_audio_handler_->GetPrimaryActiveInputNode();
const chromeos::AudioDevice* input_device =
cras_audio_handler_->GetDeviceFromId(input_id);
bool microphone_inserted =
(input_device &&
input_device->type == chromeos::AudioDeviceType::AUDIO_TYPE_MIC);
DVLOG(1) << "HEADPHONE " << headphone_inserted << " MICROPHONE "
<< microphone_inserted;
SendSwitchState(headphone_inserted, microphone_inserted);
}
void ArcAudioBridge::OnOutputNodeVolumeChanged(uint64_t node_id, int volume) {
DVLOG(1) << "Output node " << node_id << " volume " << volume;
volume_ = volume;
SendVolumeState();
}
void ArcAudioBridge::OnOutputMuteChanged(bool mute_on, bool system_adjust) {
DVLOG(1) << "Output mute " << mute_on << " by system " << system_adjust;
muted_ = mute_on;
SendVolumeState();
}
void ArcAudioBridge::SendSwitchState(bool headphone_inserted,
bool microphone_inserted) {
uint32_t switch_state = 0;
if (headphone_inserted) {
switch_state |=
(1 << static_cast<uint32_t>(mojom::AudioSwitch::SW_HEADPHONE_INSERT));
}
if (microphone_inserted) {
switch_state |=
(1 << static_cast<uint32_t>(mojom::AudioSwitch::SW_MICROPHONE_INSERT));
}
DVLOG(1) << "Send switch state " << switch_state;
mojom::AudioInstance* audio_instance = ARC_GET_INSTANCE_FOR_METHOD(
arc_bridge_service()->audio(), NotifySwitchState);
if (audio_instance)
audio_instance->NotifySwitchState(switch_state);
}
void ArcAudioBridge::SendVolumeState() {
DVLOG(1) << "Send volume " << volume_ << " muted " << muted_;
mojom::AudioInstance* audio_instance = ARC_GET_INSTANCE_FOR_METHOD(
arc_bridge_service()->audio(), NotifyVolumeState);
if (audio_instance)
audio_instance->NotifyVolumeState(volume_, muted_);
}
} // namespace arc
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