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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ui/webui/ash/audio/audio_handler.h"
#include <string>
#include <tuple>
#include <utility>
#include "chrome/browser/ui/browser_commands.h"
#include "chrome/browser/ui/browser_finder.h"
#include "chrome/browser/ui/chrome_pages.h"
namespace ash {
AudioHandler::AudioHandler(
mojo::PendingReceiver<audio::mojom::PageHandler> receiver,
mojo::PendingRemote<audio::mojom::Page> page)
: page_(std::move(page)), receiver_(this, std::move(receiver)) {
observation_.Observe(CrasAudioHandler::Get());
}
AudioHandler::~AudioHandler() = default;
void AudioHandler::GetAudioDeviceInfo() {
UpdateAudioDeviceInfo();
}
void AudioHandler::GetActiveOutputDeviceName(
audio::mojom::PageHandler::GetActiveOutputDeviceNameCallback callback) {
const uint64_t output_id =
ash::CrasAudioHandler::Get()->GetPrimaryActiveOutputNode();
const ash::AudioDevice* output_device =
ash::CrasAudioHandler::Get()->GetDeviceFromId(output_id);
if (output_device) {
std::move(callback).Run(output_device->display_name);
} else {
std::move(callback).Run(std::nullopt);
}
}
void AudioHandler::GetActiveInputDeviceName(
audio::mojom::PageHandler::GetActiveInputDeviceNameCallback callback) {
const uint64_t input_id =
ash::CrasAudioHandler::Get()->GetPrimaryActiveInputNode();
const ash::AudioDevice* input_device =
ash::CrasAudioHandler::Get()->GetDeviceFromId(input_id);
if (input_device) {
std::move(callback).Run(input_device->display_name);
} else {
std::move(callback).Run(std::nullopt);
}
}
void AudioHandler::OpenFeedbackDialog() {
chrome::OpenFeedbackDialog(chrome::FindBrowserWithActiveWindow(),
feedback::kFeedbackSourceMdSettingsAboutPage);
}
void AudioHandler::OnAudioNodesChanged() {
UpdateAudioDeviceInfo();
}
void AudioHandler::OnOutputNodeVolumeChanged(uint64_t node_id, int volume) {
page_->UpdateDeviceVolume(node_id, volume);
}
void AudioHandler::OnInputNodeGainChanged(uint64_t node_id, int gain) {
page_->UpdateDeviceVolume(node_id, gain);
}
void AudioHandler::OnOutputMuteChanged(bool mute) {
const uint64_t output_id =
ash::CrasAudioHandler::Get()->GetPrimaryActiveOutputNode();
page_->UpdateDeviceMute(output_id, mute);
}
void AudioHandler::OnInputMuteChanged(
bool mute,
CrasAudioHandler::InputMuteChangeMethod method) {
const uint64_t input_id =
ash::CrasAudioHandler::Get()->GetPrimaryActiveInputNode();
page_->UpdateDeviceMute(input_id, mute);
}
void AudioHandler::OnInputMutedByMicrophoneMuteSwitchChanged(bool mute) {
const uint64_t input_id =
ash::CrasAudioHandler::Get()->GetPrimaryActiveInputNode();
page_->UpdateDeviceMute(input_id, mute);
}
void AudioHandler::OnActiveOutputNodeChanged() {
UpdateAudioDeviceInfo();
}
void AudioHandler::OnActiveInputNodeChanged() {
UpdateAudioDeviceInfo();
}
void AudioHandler::UpdateAudioDeviceInfo() {
ash::AudioDeviceList devices;
ash::CrasAudioHandler::Get()->GetAudioDevices(&devices);
base::flat_map<uint64_t, audio::mojom::DeviceDataPtr> device_map;
for (ash::AudioDeviceList::const_iterator it = devices.begin();
it != devices.end(); ++it) {
device_map[it->id] = CreateDeviceData(&(*it));
}
page_->UpdateDeviceInfo(std::move(device_map));
}
audio::mojom::DeviceDataPtr AudioHandler::CreateDeviceData(
const ash::AudioDevice* item) const {
auto device_data = audio::mojom::DeviceData::New();
device_data->type = item->GetTypeString(item->type);
device_data->id = item->id;
device_data->display_name = item->display_name;
device_data->is_active = item->active;
device_data->is_input = item->is_input;
std::tie(device_data->volume_gain_percent, device_data->is_muted) =
GetDeviceVolGain(item->id, item->is_input);
return device_data;
}
std::tuple<int, bool> AudioHandler::GetDeviceVolGain(uint64_t id,
bool is_input) const {
if (is_input) {
return std::make_tuple(
ash::CrasAudioHandler::Get()->GetInputGainPercentForDevice(id),
ash::CrasAudioHandler::Get()->IsInputMutedForDevice(id));
} else {
return std::make_tuple(
ash::CrasAudioHandler::Get()->GetOutputVolumePercentForDevice(id),
ash::CrasAudioHandler::Get()->IsOutputMutedForDevice(id));
}
}
} // namespace ash
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