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// Copyright 2022 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/settings/pages/privacy/privacy_hub_handler.h"
#include "ash/constants/ash_features.h"
#include "ash/constants/ash_pref_names.h"
#include "ash/session/session_controller_impl.h"
#include "ash/shell.h"
#include "base/files/file_util.h"
#include "base/functional/bind.h"
#include "base/i18n/time_formatting.h"
#include "base/logging.h"
#include "base/synchronization/condition_variable.h"
#include "chrome/browser/ash/privacy_hub/privacy_hub_util.h"
#include "chrome/browser/ash/system/timezone_util.h"
#include "chrome/common/chrome_features.h"
#include "chromeos/ash/components/audio/cras_audio_handler.h"
#include "components/prefs/pref_service.h"
namespace ash::settings {
PrivacyHubHandler::PrivacyHubHandler()
: mic_muted_by_security_curtain_(
CrasAudioHandler::Get()->IsInputMutedBySecurityCurtain()) {
this_account_id_ = Shell::Get()->session_controller()->GetActiveAccountId();
}
PrivacyHubHandler::~PrivacyHubHandler() {
privacy_hub_util::SetFrontend(nullptr);
}
void PrivacyHubHandler::RegisterMessages() {
privacy_hub_util::SetFrontend(this);
web_ui()->RegisterMessageCallback(
"getInitialMicrophoneHardwareToggleState",
base::BindRepeating(
&PrivacyHubHandler::HandleInitialMicrophoneSwitchState,
base::Unretained(this)));
web_ui()->RegisterMessageCallback(
"getInitialMicrophoneMutedBySecurityCurtainState",
base::BindRepeating(
&PrivacyHubHandler::
HandleInitialMicrophoneMutedBySecurityCurtainState,
base::Unretained(this)));
web_ui()->RegisterMessageCallback(
"getInitialCameraSwitchForceDisabledState",
base::BindRepeating(
&PrivacyHubHandler::HandleInitialCameraSwitchForceDisabledState,
base::Unretained(this)));
web_ui()->RegisterMessageCallback(
"getInitialGeolocationAccessLevelState",
base::BindRepeating(
&PrivacyHubHandler::HandleInitialPrimaryUserLocationState,
base::Unretained(this)));
web_ui()->RegisterMessageCallback(
"getCameraLedFallbackState",
base::BindRepeating(
&PrivacyHubHandler::HandleInitialCameraLedFallbackState,
base::Unretained(this)));
web_ui()->RegisterMessageCallback(
"getCurrentTimeZoneName",
base::BindRepeating(&PrivacyHubHandler::HandleGetCurrentTimezoneName,
base::Unretained(this)));
web_ui()->RegisterMessageCallback(
"getCurrentSunriseTime",
base::BindRepeating(&PrivacyHubHandler::HandleGetCurrentSunRiseTime,
base::Unretained(this)));
web_ui()->RegisterMessageCallback(
"getCurrentSunsetTime",
base::BindRepeating(&PrivacyHubHandler::HandleGetCurrentSunSetTime,
base::Unretained(this)));
}
void PrivacyHubHandler::NotifyJS(const std::string& event_name,
const base::Value& value) {
if (IsJavascriptAllowed()) {
FireWebUIListener(event_name, value);
} else {
DVLOG(1) << "JS disabled. Skip \"" << event_name
<< "\" event until enabled.";
}
}
void PrivacyHubHandler::MicrophoneHardwareToggleChanged(bool muted) {
NotifyJS("microphone-hardware-toggle-changed", base::Value(muted));
}
void PrivacyHubHandler::SetForceDisableCameraSwitch(bool disabled) {
NotifyJS("force-disable-camera-switch", base::Value(disabled));
}
void PrivacyHubHandler::SystemGeolocationAccessLevelChanged(
GeolocationAccessLevel access_level) {
NotifyJS("system-geolocation-access-level-changed",
base::Value(static_cast<int>(access_level)));
}
void PrivacyHubHandler::OnInputMutedBySecurityCurtainChanged(bool muted) {
if (mic_muted_by_security_curtain_ == muted) {
return;
}
mic_muted_by_security_curtain_ = muted;
NotifyJS("microphone-muted-by-security-curtain-changed", base::Value(muted));
}
void PrivacyHubHandler::OnActiveUserSessionChanged(
const AccountId& account_id) {
// If the user associated to this instance has become active, mark this
// instance as the active frontend.
if (account_id == this_account_id_) {
privacy_hub_util::SetFrontend(this);
}
}
void PrivacyHubHandler::HandleInitialMicrophoneSwitchState(
const base::Value::List& args) {
const auto callback_id = ValidateArgs(args);
const auto value = base::Value(privacy_hub_util::MicrophoneSwitchState());
ResolveJavascriptCallback(callback_id, value);
}
void PrivacyHubHandler::HandleInitialMicrophoneMutedBySecurityCurtainState(
const base::Value::List& args) {
const auto callback_id = ValidateArgs(args);
const auto value = base::Value(mic_muted_by_security_curtain_);
ResolveJavascriptCallback(callback_id, value);
}
void PrivacyHubHandler::HandleInitialCameraSwitchForceDisabledState(
const base::Value::List& args) {
const auto callback_id = ValidateArgs(args);
const auto is_disabled =
base::Value(privacy_hub_util::ShouldForceDisableCameraSwitch());
ResolveJavascriptCallback(callback_id, is_disabled);
}
void PrivacyHubHandler::HandleInitialCameraLedFallbackState(
const base::Value::List& args) {
const auto callback_id = ValidateArgs(args);
const auto value = base::Value(privacy_hub_util::UsingCameraLEDFallback());
ResolveJavascriptCallback(callback_id, value);
}
void PrivacyHubHandler::HandleInitialPrimaryUserLocationState(
const base::Value::List& args) {
const auto callback_id = ValidateArgs(args);
const auto value = base::Value(
static_cast<int>(privacy_hub_util::GetSystemGeolocationAccessLevel()));
ResolveJavascriptCallback(callback_id, value);
}
void PrivacyHubHandler::HandleGetCurrentTimezoneName(
const base::Value::List& args) {
const auto callback_id = ValidateArgs(args);
const auto value = base::Value(system::GetCurrentTimezoneName());
ResolveJavascriptCallback(callback_id, value);
}
void PrivacyHubHandler::HandleGetCurrentSunRiseTime(
const base::Value::List& args) {
const auto callback_id = ValidateArgs(args);
const auto value = base::Value(base::TimeFormatTimeOfDay(
ash::privacy_hub_util::SunriseSunsetSchedule().first));
ResolveJavascriptCallback(callback_id, value);
}
void PrivacyHubHandler::HandleGetCurrentSunSetTime(
const base::Value::List& args) {
const auto callback_id = ValidateArgs(args);
const auto value = base::Value(base::TimeFormatTimeOfDay(
ash::privacy_hub_util::SunriseSunsetSchedule().second));
ResolveJavascriptCallback(callback_id, value);
}
const base::ValueView PrivacyHubHandler::ValidateArgs(
const base::Value::List& args) {
// TODO(b/290646585): Replace with a CHECK().
AllowJavascript();
DCHECK_GE(1U, args.size()) << ": Did not expect arguments";
DCHECK_EQ(1U, args.size()) << ": Callback ID is required";
return args[0];
}
} // namespace ash::settings
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