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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chromeos/ash/components/audio/audio_devices_pref_handler_impl.h"
#include <stdint.h>
#include <algorithm>
#include <optional>
#include <unordered_set>
#include "ash/constants/ash_features.h"
#include "ash/constants/ash_pref_names.h"
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/logging.h"
#include "base/strings/string_number_conversions.h"
#include "base/time/time.h"
#include "base/values.h"
#include "chromeos/ash/components/audio/audio_device.h"
#include "chromeos/ash/components/audio/audio_device_id.h"
#include "components/pref_registry/pref_registry_syncable.h"
#include "components/prefs/pref_registry_simple.h"
#include "components/prefs/pref_service.h"
#include "components/prefs/scoped_user_pref_update.h"
namespace ash {
namespace {
// Values used for muted preference.
const int kPrefMuteOff = 0;
const int kPrefMuteOn = 1;
// Prefs keys.
const char kActiveKey[] = "active";
const char kActivateByUserKey[] = "activate_by_user";
// Migrates an entry associated with |device|'s v1 stable device ID in
// |settings| to the key derived from |device|'s v2 stable device ID
// (which is expected to be equal to |intended_key|), if the entry can
// be found.
// Returns whether the migration occurred.
bool MigrateDeviceIdInSettings(base::Value::Dict* settings,
const std::string& intended_key,
const AudioDevice& device) {
if (device.stable_device_id_version == 1) {
return false;
}
DCHECK_EQ(2, device.stable_device_id_version);
std::string old_device_id = GetVersionedDeviceIdString(device, 1);
std::optional<base::Value> value = settings->Extract(old_device_id);
if (!value) {
return false;
}
DCHECK_EQ(intended_key, GetDeviceIdString(device));
settings->SetByDottedPath(intended_key, std::move(*value));
return true;
}
} // namespace
double AudioDevicesPrefHandlerImpl::GetOutputVolumeValue(
const AudioDevice* device) {
if (!device) {
return kDefaultOutputVolumePercent;
} else {
return GetOutputVolumePrefValue(*device);
}
}
double AudioDevicesPrefHandlerImpl::GetInputGainValue(
const AudioDevice* device) {
DCHECK(device);
return GetInputGainPrefValue(*device);
}
void AudioDevicesPrefHandlerImpl::SetVolumeGainValue(const AudioDevice& device,
double value) {
// TODO(baileyberro): Refactor public interface to use two explicit methods.
device.is_input ? SetInputGainPrefValue(device, value)
: SetOutputVolumePrefValue(device, value);
}
void AudioDevicesPrefHandlerImpl::SetOutputVolumePrefValue(
const AudioDevice& device,
double value) {
DCHECK(!device.is_input);
// Use this opportunity to remove device record under deprecated device ID,
// if one exists.
if (device.stable_device_id_version == 2) {
std::string old_device_id = GetVersionedDeviceIdString(device, 1);
device_volume_settings_.Remove(old_device_id);
}
device_volume_settings_.Set(GetDeviceIdString(device), value);
SaveDevicesVolumePref();
}
void AudioDevicesPrefHandlerImpl::SetInputGainPrefValue(
const AudioDevice& device,
double value) {
DCHECK(device.is_input);
const std::string device_id = GetDeviceIdString(device);
// Use this opportunity to remove input device record from
// |device_volume_settings_|.
// TODO(baileyberro): Remove this check in M94.
if (device_volume_settings_.Find(device_id)) {
device_volume_settings_.Remove(device_id);
SaveDevicesVolumePref();
}
device_gain_settings_.Set(device_id, value);
SaveDevicesGainPref();
}
bool AudioDevicesPrefHandlerImpl::GetMuteValue(const AudioDevice& device) {
std::string device_id_str = GetDeviceIdString(device);
if (!device_mute_settings_.Find(device_id_str)) {
MigrateDeviceMuteSettings(device_id_str, device);
}
int mute =
device_mute_settings_.FindInt(device_id_str).value_or(kPrefMuteOff);
return (mute == kPrefMuteOn);
}
void AudioDevicesPrefHandlerImpl::SetMuteValue(const AudioDevice& device,
bool mute) {
// Use this opportunity to remove device record under deprecated device ID,
// if one exists.
if (device.stable_device_id_version == 2) {
std::string old_device_id = GetVersionedDeviceIdString(device, 1);
device_mute_settings_.Remove(old_device_id);
}
device_mute_settings_.Set(GetDeviceIdString(device),
mute ? kPrefMuteOn : kPrefMuteOff);
SaveDevicesMutePref();
}
void AudioDevicesPrefHandlerImpl::SetDeviceActive(const AudioDevice& device,
bool active,
bool activate_by_user) {
base::Value::Dict dict;
dict.Set(kActiveKey, active);
if (active) {
dict.Set(kActivateByUserKey, activate_by_user);
}
// Use this opportunity to remove device record under deprecated device ID,
// if one exists.
if (device.stable_device_id_version == 2) {
std::string old_device_id = GetVersionedDeviceIdString(device, 1);
device_state_settings_.Remove(old_device_id);
}
device_state_settings_.SetByDottedPath(GetDeviceIdString(device),
std::move(dict));
SaveDevicesStatePref();
}
bool AudioDevicesPrefHandlerImpl::GetDeviceActive(const AudioDevice& device,
bool* active,
bool* activate_by_user) {
const std::string device_id_str = GetDeviceIdString(device);
if (!device_state_settings_.Find(device_id_str) &&
!MigrateDevicesStatePref(device_id_str, device)) {
return false;
}
base::Value::Dict* dict =
device_state_settings_.FindDictByDottedPath(device_id_str);
if (!dict) {
LOG(ERROR) << "Could not get device state for device:" << device.ToString();
return false;
}
std::optional<bool> active_opt = dict->FindBool(kActiveKey);
if (!active_opt.has_value()) {
LOG(ERROR) << "Could not get active value for device:" << device.ToString();
return false;
}
*active = active_opt.value();
if (!*active) {
return true;
}
std::optional<bool> activate_by_user_opt = dict->FindBool(kActivateByUserKey);
if (!activate_by_user_opt.has_value()) {
LOG(ERROR) << "Could not get activate_by_user value for previously "
"active device:"
<< device.ToString();
return false;
}
*activate_by_user = activate_by_user_opt.value();
return true;
}
void AudioDevicesPrefHandlerImpl::SetUserPriorityHigherThan(
const AudioDevice& target,
const AudioDevice* base) {
int t = GetUserPriority(target);
int b = 0;
if (base) {
b = GetUserPriority(*base);
}
// Don't need to update the user priority of `target` if it's already has
// higher priority than base.
if (t > b) {
return;
}
auto target_id = GetDeviceIdString(target);
base::Value::Dict& priority_prefs =
target.is_input ? input_device_user_priority_settings_
: output_device_user_priority_settings_;
if (t != kUserPriorityNone) {
// before: [. . . t - - - b . . .]
// after: [. . . - - - b t . . .]
for (auto it : priority_prefs) {
if (it.second.GetInt() > t && it.second.GetInt() <= b) {
it.second = base::Value(it.second.GetInt() - 1);
}
}
priority_prefs.Set(target_id, b);
} else {
// before: [. . . b + + +]
// after : [. . . b t + + +]
for (auto it : priority_prefs) {
if (it.second.GetInt() > b) {
it.second = base::Value(it.second.GetInt() + 1);
}
}
priority_prefs.Set(target_id, b + 1);
}
if (target.is_input) {
SaveInputDevicesUserPriorityPref();
} else {
SaveOutputDevicesUserPriorityPref();
}
}
int AudioDevicesPrefHandlerImpl::GetUserPriority(const AudioDevice& device) {
if (device.is_input) {
return input_device_user_priority_settings_
.FindInt(GetDeviceIdString(device))
.value_or(kUserPriorityNone);
;
} else {
return output_device_user_priority_settings_
.FindInt(GetDeviceIdString(device))
.value_or(kUserPriorityNone);
;
}
}
const std::optional<uint64_t>
AudioDevicesPrefHandlerImpl::GetPreferredDeviceFromPreferenceSet(
bool is_input,
const AudioDeviceList& devices) {
const base::Value::Dict& device_pref_set =
is_input ? input_device_preference_set_settings_
: output_device_preference_set_settings_;
const std::string ids = GetDeviceSetIdString(devices);
const std::string* id_string = device_pref_set.FindString(ids);
return id_string ? ParseDeviceId(*id_string) : std::nullopt;
}
void AudioDevicesPrefHandlerImpl::UpdateDevicePreferenceSet(
const AudioDeviceList& devices,
const AudioDevice& preferred_device) {
// Double check that |preferred_device| exists in |devices|.
auto it = std::find_if(
devices.begin(), devices.end(), [&](const AudioDevice& device) {
return device.stable_device_id == preferred_device.stable_device_id;
});
if (it == devices.end()) {
LOG(ERROR)
<< "The preferred_device does not exist in the given device list. "
<< preferred_device.ToString();
return;
}
bool is_input = preferred_device.is_input;
base::Value::Dict& device_pref_set =
is_input ? input_device_preference_set_settings_
: output_device_preference_set_settings_;
device_pref_set.Set(GetDeviceSetIdString(devices),
GetDeviceIdString(preferred_device));
if (is_input) {
SaveInputDevicePreferenceSetPref();
} else {
SaveOutputDevicePreferenceSetPref();
}
}
const base::Value::List&
AudioDevicesPrefHandlerImpl::GetMostRecentActivatedDeviceIdList(bool is_input) {
return is_input ? most_recent_activated_input_device_ids_
: most_recent_activated_output_device_ids_;
}
void AudioDevicesPrefHandlerImpl::UpdateMostRecentActivatedDeviceIdList(
const AudioDevice& device) {
base::Value::List& ids = device.is_input
? most_recent_activated_input_device_ids_
: most_recent_activated_output_device_ids_;
std::string target_device_id = GetDeviceIdString(device);
// Find if this device is already in the list, remove it if so.
for (auto it = ids.begin(); it != ids.end(); it++) {
if (target_device_id == *it) {
ids.erase(it);
break;
}
}
// Add this device to the end of the list.
ids.Append(target_device_id);
if (device.is_input) {
SaveMostRecentActivatedInputDeviceIdsPref();
} else {
SaveMostRecentActivatedOutputDeviceIdsPref();
}
}
void AudioDevicesPrefHandlerImpl::DropLeastRecentlySeenDevices(
const std::vector<AudioDevice>& connected_devices,
size_t keep_devices) {
ScopedDictPrefUpdate last_seen_update(local_state_,
prefs::kAudioDevicesLastSeen);
base::Value::Dict& last_seen = last_seen_update.Get();
// Set timestamp of connected devices.
double time = base::Time::Now().InSecondsFSinceUnixEpoch();
for (AudioDevice device : connected_devices) {
last_seen.Set(GetDeviceIdString(device), time);
}
// Order devices by last seen timestamp.
std::vector<std::string> recently_seen_ids;
for (auto device : last_seen) {
recently_seen_ids.push_back(device.first);
}
std::sort(recently_seen_ids.begin(), recently_seen_ids.end(),
[&](const std::string& i, const std::string& j) {
// More recent device first.
return last_seen.FindDouble(i).value_or(0) >
last_seen.FindDouble(j).value_or(0);
});
// Keep `keep_devices` recently seen devices.
while (recently_seen_ids.size() > keep_devices &&
last_seen.FindDouble(recently_seen_ids.back()).value_or(0) != time) {
last_seen.Remove(recently_seen_ids.back());
recently_seen_ids.pop_back();
}
// Remove preferences if not seen recently, keeping the most recent
// `keep_devices` devices.
// TODO(aaronyu): Consider also remove volume/mute/gain preferences.
for (base::Value::Dict& settings :
std::initializer_list<std::reference_wrapper<base::Value::Dict>>{
input_device_user_priority_settings_,
output_device_user_priority_settings_}) {
std::vector<std::string> to_remove;
for (auto entry : settings) {
const std::string& id = entry.first;
if (last_seen.Find(id) == nullptr) {
to_remove.push_back(id);
}
}
for (const std::string& id : to_remove) {
settings.Remove(id);
}
}
SaveInputDevicesUserPriorityPref();
SaveOutputDevicesUserPriorityPref();
}
bool AudioDevicesPrefHandlerImpl::GetAudioOutputAllowedValue() const {
return local_state_->GetBoolean(prefs::kAudioOutputAllowed);
}
void AudioDevicesPrefHandlerImpl::AddAudioPrefObserver(
AudioPrefObserver* observer) {
observers_.AddObserver(observer);
}
void AudioDevicesPrefHandlerImpl::RemoveAudioPrefObserver(
AudioPrefObserver* observer) {
observers_.RemoveObserver(observer);
}
double AudioDevicesPrefHandlerImpl::GetOutputVolumePrefValue(
const AudioDevice& device) {
DCHECK(!device.is_input);
std::string device_id_str = GetDeviceIdString(device);
if (!device_volume_settings_.Find(device_id_str)) {
MigrateDeviceVolumeGainSettings(device_id_str, device);
}
return *device_volume_settings_.FindDouble(device_id_str);
}
double AudioDevicesPrefHandlerImpl::GetInputGainPrefValue(
const AudioDevice& device) {
DCHECK(device.is_input);
std::string device_id_str = GetDeviceIdString(device);
if (!device_gain_settings_.Find(device_id_str)) {
SetInputGainPrefValue(device, kDefaultInputGainPercent);
}
return *device_gain_settings_.FindDouble(device_id_str);
}
double AudioDevicesPrefHandlerImpl::GetDeviceDefaultOutputVolume(
const AudioDevice& device) {
switch (device.type) {
case AudioDeviceType::kBluetooth:
return kDefaultBluetoothOutputVolumePercent;
case AudioDeviceType::kUsb:
return kDefaultUsbOutputVolumePercent;
case AudioDeviceType::kHdmi:
return kDefaultHdmiOutputVolumePercent;
default:
return kDefaultOutputVolumePercent;
}
}
bool AudioDevicesPrefHandlerImpl::GetVoiceIsolationState() const {
return local_state_->GetBoolean(prefs::kInputVoiceIsolationEnabled);
}
void AudioDevicesPrefHandlerImpl::SetVoiceIsolationState(
bool voice_isolation_state) {
local_state_->SetBoolean(prefs::kInputVoiceIsolationEnabled,
voice_isolation_state);
}
uint32_t AudioDevicesPrefHandlerImpl::GetVoiceIsolationPreferredEffect() const {
return static_cast<uint32_t>(
local_state_->GetInteger(prefs::kInputVoiceIsolationPreferredEffect));
}
void AudioDevicesPrefHandlerImpl::SetVoiceIsolationPreferredEffect(
uint32_t effect) {
local_state_->SetInteger(prefs::kInputVoiceIsolationPreferredEffect,
static_cast<int>(effect));
}
bool AudioDevicesPrefHandlerImpl::GetNoiseCancellationState() {
return local_state_->GetBoolean(prefs::kInputVoiceIsolationEnabled);
}
void AudioDevicesPrefHandlerImpl::SetNoiseCancellationState(
bool noise_cancellation_state) {
local_state_->SetBoolean(prefs::kInputVoiceIsolationEnabled,
noise_cancellation_state);
}
bool AudioDevicesPrefHandlerImpl::GetStyleTransferState() const {
return local_state_->GetBoolean(prefs::kInputVoiceIsolationEnabled);
}
void AudioDevicesPrefHandlerImpl::SetStyleTransferState(
bool style_transfer_state) {
local_state_->SetBoolean(prefs::kInputVoiceIsolationEnabled,
style_transfer_state);
}
bool AudioDevicesPrefHandlerImpl::GetForceRespectUiGainsState() {
return local_state_->GetBoolean(prefs::kInputForceRespectUiGainsEnabled);
}
void AudioDevicesPrefHandlerImpl::SetForceRespectUiGainsState(
bool force_respect_ui_gains_state) {
local_state_->SetBoolean(prefs::kInputForceRespectUiGainsEnabled,
force_respect_ui_gains_state);
}
bool AudioDevicesPrefHandlerImpl::GetHfpMicSrState() {
return local_state_->GetBoolean(prefs::kHandsFreeProfileInputSuperResolution);
}
void AudioDevicesPrefHandlerImpl::SetHfpMicSrState(bool hfp_mic_sr_state) {
local_state_->SetBoolean(prefs::kHandsFreeProfileInputSuperResolution,
hfp_mic_sr_state);
}
bool AudioDevicesPrefHandlerImpl::GetSpatialAudioState() {
return local_state_->GetBoolean(prefs::kSpatialAudioEnabled);
}
void AudioDevicesPrefHandlerImpl::SetSpatialAudioState(
bool spatial_audio_state) {
local_state_->SetBoolean(prefs::kSpatialAudioEnabled, spatial_audio_state);
}
AudioDevicesPrefHandlerImpl::AudioDevicesPrefHandlerImpl(
PrefService* local_state)
: local_state_(local_state) {
InitializePrefObservers();
LoadDevicesMutePref();
LoadDevicesVolumePref();
LoadDevicesGainPref();
LoadInputDevicesUserPriorityPref();
LoadOutputDevicesUserPriorityPref();
LoadDevicesStatePref();
LoadInputDevicePreferenceSetPref();
LoadOutputDevicePreferenceSetPref();
LoadMostRecentActivatedInputDeviceIdsPref();
LoadMostRecentActivatedOutputDeviceIdsPref();
}
AudioDevicesPrefHandlerImpl::~AudioDevicesPrefHandlerImpl() = default;
void AudioDevicesPrefHandlerImpl::InitializePrefObservers() {
pref_change_registrar_.Init(local_state_);
base::RepeatingClosure callback =
base::BindRepeating(&AudioDevicesPrefHandlerImpl::NotifyAudioPolicyChange,
base::Unretained(this));
pref_change_registrar_.Add(prefs::kAudioOutputAllowed, callback);
base::RepeatingClosure callbackVoiceIsolation = base::BindRepeating(
&AudioDevicesPrefHandlerImpl::NotifyVoiceIsolationChange,
base::Unretained(this));
pref_change_registrar_.Add(prefs::kInputVoiceIsolationEnabled,
callbackVoiceIsolation);
pref_change_registrar_.Add(prefs::kInputVoiceIsolationPreferredEffect,
callbackVoiceIsolation);
}
void AudioDevicesPrefHandlerImpl::LoadDevicesMutePref() {
const base::Value::Dict& mute_prefs =
local_state_->GetDict(prefs::kAudioDevicesMute);
device_mute_settings_ = mute_prefs.Clone();
}
void AudioDevicesPrefHandlerImpl::SaveDevicesMutePref() {
local_state_->SetDict(prefs::kAudioDevicesMute,
device_mute_settings_.Clone());
}
void AudioDevicesPrefHandlerImpl::LoadDevicesVolumePref() {
const base::Value::Dict& volume_prefs =
local_state_->GetDict(prefs::kAudioDevicesVolumePercent);
device_volume_settings_ = volume_prefs.Clone();
}
void AudioDevicesPrefHandlerImpl::SaveDevicesVolumePref() {
local_state_->SetDict(prefs::kAudioDevicesVolumePercent,
device_volume_settings_.Clone());
}
void AudioDevicesPrefHandlerImpl::LoadDevicesGainPref() {
const base::Value::Dict& gain_prefs =
local_state_->GetDict(prefs::kAudioDevicesGainPercent);
device_gain_settings_ = gain_prefs.Clone();
}
void AudioDevicesPrefHandlerImpl::SaveDevicesGainPref() {
local_state_->SetDict(prefs::kAudioDevicesGainPercent,
device_gain_settings_.Clone());
}
void AudioDevicesPrefHandlerImpl::LoadDevicesStatePref() {
const base::Value::Dict& state_prefs =
local_state_->GetDict(prefs::kAudioDevicesState);
device_state_settings_ = state_prefs.Clone();
}
void AudioDevicesPrefHandlerImpl::SaveDevicesStatePref() {
local_state_->SetDict(prefs::kAudioDevicesState,
device_state_settings_.Clone());
}
void AudioDevicesPrefHandlerImpl::LoadInputDevicesUserPriorityPref() {
const base::Value::Dict& priority_prefs =
local_state_->GetDict(prefs::kAudioInputDevicesUserPriority);
input_device_user_priority_settings_ = priority_prefs.Clone();
}
void AudioDevicesPrefHandlerImpl::SaveInputDevicesUserPriorityPref() {
local_state_->SetDict(prefs::kAudioInputDevicesUserPriority,
input_device_user_priority_settings_.Clone());
}
void AudioDevicesPrefHandlerImpl::LoadOutputDevicesUserPriorityPref() {
const base::Value::Dict& priority_prefs =
local_state_->GetDict(prefs::kAudioOutputDevicesUserPriority);
output_device_user_priority_settings_ = priority_prefs.Clone();
}
void AudioDevicesPrefHandlerImpl::SaveOutputDevicesUserPriorityPref() {
local_state_->SetDict(prefs::kAudioOutputDevicesUserPriority,
output_device_user_priority_settings_.Clone());
}
void AudioDevicesPrefHandlerImpl::LoadInputDevicePreferenceSetPref() {
const base::Value::Dict& preference_set_prefs =
local_state_->GetDict(prefs::kAudioInputDevicePreferenceSet);
input_device_preference_set_settings_ = preference_set_prefs.Clone();
}
void AudioDevicesPrefHandlerImpl::SaveInputDevicePreferenceSetPref() {
local_state_->SetDict(prefs::kAudioInputDevicePreferenceSet,
input_device_preference_set_settings_.Clone());
}
void AudioDevicesPrefHandlerImpl::LoadOutputDevicePreferenceSetPref() {
const base::Value::Dict& preference_set_prefs =
local_state_->GetDict(prefs::kAudioOutputDevicePreferenceSet);
output_device_preference_set_settings_ = preference_set_prefs.Clone();
}
void AudioDevicesPrefHandlerImpl::SaveMostRecentActivatedInputDeviceIdsPref() {
local_state_->SetList(prefs::kAudioMostRecentActivatedInputDeviceIds,
most_recent_activated_input_device_ids_.Clone());
}
void AudioDevicesPrefHandlerImpl::LoadMostRecentActivatedInputDeviceIdsPref() {
const base::Value::List& id_list_pref =
local_state_->GetList(prefs::kAudioMostRecentActivatedInputDeviceIds);
most_recent_activated_input_device_ids_ = id_list_pref.Clone();
}
void AudioDevicesPrefHandlerImpl::SaveMostRecentActivatedOutputDeviceIdsPref() {
local_state_->SetList(prefs::kAudioMostRecentActivatedOutputDeviceIds,
most_recent_activated_output_device_ids_.Clone());
}
void AudioDevicesPrefHandlerImpl::LoadMostRecentActivatedOutputDeviceIdsPref() {
const base::Value::List& id_list_pref =
local_state_->GetList(prefs::kAudioMostRecentActivatedOutputDeviceIds);
most_recent_activated_output_device_ids_ = id_list_pref.Clone();
}
void AudioDevicesPrefHandlerImpl::SaveOutputDevicePreferenceSetPref() {
local_state_->SetDict(prefs::kAudioOutputDevicePreferenceSet,
output_device_preference_set_settings_.Clone());
}
bool AudioDevicesPrefHandlerImpl::MigrateDevicesStatePref(
const std::string& device_key,
const AudioDevice& device) {
if (!MigrateDeviceIdInSettings(&device_state_settings_, device_key, device)) {
return false;
}
SaveDevicesStatePref();
return true;
}
void AudioDevicesPrefHandlerImpl::MigrateDeviceMuteSettings(
const std::string& device_key,
const AudioDevice& device) {
if (!MigrateDeviceIdInSettings(&device_mute_settings_, device_key, device)) {
// If there was no recorded value for deprecated device ID, use value from
// global mute pref.
int old_mute = local_state_->GetInteger(prefs::kAudioMute);
device_mute_settings_.Set(device_key, old_mute);
}
SaveDevicesMutePref();
}
void AudioDevicesPrefHandlerImpl::MigrateDeviceVolumeGainSettings(
const std::string& device_key,
const AudioDevice& device) {
DCHECK(!device.is_input);
if (!MigrateDeviceIdInSettings(&device_volume_settings_, device_key,
device)) {
// If there was no recorded value for deprecated device ID, use value from
// default volume associated to device type.
double default_volume = GetDeviceDefaultOutputVolume(device);
device_volume_settings_.Set(device_key, default_volume);
}
SaveDevicesVolumePref();
}
void AudioDevicesPrefHandlerImpl::NotifyAudioPolicyChange() {
for (auto& observer : observers_) {
observer.OnAudioPolicyPrefChanged();
}
}
void AudioDevicesPrefHandlerImpl::NotifyVoiceIsolationChange() {
for (auto& observer : observers_) {
observer.OnVoiceIsolationPrefChanged();
}
}
// static
void AudioDevicesPrefHandlerImpl::RegisterPrefs(PrefRegistrySimple* registry) {
registry->RegisterDictionaryPref(prefs::kAudioDevicesVolumePercent);
registry->RegisterDictionaryPref(prefs::kAudioDevicesGainPercent);
registry->RegisterDictionaryPref(prefs::kAudioDevicesMute);
registry->RegisterDictionaryPref(prefs::kAudioDevicesState);
registry->RegisterIntegerPref(prefs::kInputVoiceIsolationPreferredEffect, 0);
registry->RegisterBooleanPref(prefs::kInputVoiceIsolationEnabled, false);
registry->RegisterBooleanPref(prefs::kInputNoiseCancellationEnabled, false);
registry->RegisterBooleanPref(prefs::kInputStyleTransferEnabled, false);
registry->RegisterBooleanPref(prefs::kHandsFreeProfileInputSuperResolution,
false);
// Register the prefs backing the audio muting policies.
// Policy for audio input is handled by kAudioCaptureAllowed in the Chrome
// media system.
registry->RegisterBooleanPref(prefs::kAudioOutputAllowed, true);
registry->RegisterIntegerPref(prefs::kAudioMute, kPrefMuteOff);
registry->RegisterDictionaryPref(prefs::kAudioInputDevicesUserPriority);
registry->RegisterDictionaryPref(prefs::kAudioOutputDevicesUserPriority);
registry->RegisterDictionaryPref(prefs::kAudioInputDevicePreferenceSet);
registry->RegisterDictionaryPref(prefs::kAudioOutputDevicePreferenceSet);
registry->RegisterListPref(prefs::kAudioMostRecentActivatedInputDeviceIds);
registry->RegisterListPref(prefs::kAudioMostRecentActivatedOutputDeviceIds);
registry->RegisterDictionaryPref(prefs::kAudioDevicesLastSeen);
registry->RegisterBooleanPref(prefs::kInputForceRespectUiGainsEnabled, false);
registry->RegisterBooleanPref(
prefs::kSpatialAudioEnabled, true,
user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
}
} // namespace ash
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