| // 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 "chrome/browser/ui/webui/settings/chromeos/device_power_handler.h" |
| |
| #include <memory> |
| #include <utility> |
| |
| #include "base/bind.h" |
| #include "base/bind_helpers.h" |
| #include "base/strings/string_number_conversions.h" |
| #include "base/strings/utf_string_conversions.h" |
| #include "base/time/time.h" |
| #include "base/values.h" |
| #include "chrome/common/pref_names.h" |
| #include "chrome/grit/generated_resources.h" |
| #include "chromeos/dbus/dbus_thread_manager.h" |
| #include "components/prefs/pref_change_registrar.h" |
| #include "components/prefs/pref_service.h" |
| #include "content/public/browser/web_ui.h" |
| #include "ui/base/l10n/l10n_util.h" |
| #include "ui/base/l10n/time_format.h" |
| #include "ui/base/webui/web_ui_util.h" |
| |
| namespace chromeos { |
| namespace settings { |
| namespace { |
| |
| base::string16 GetBatteryTimeText(base::TimeDelta time_left) { |
| int hour = 0; |
| int min = 0; |
| ash::PowerStatus::SplitTimeIntoHoursAndMinutes(time_left, &hour, &min); |
| |
| base::string16 time_text; |
| if (hour == 0 || min == 0) { |
| // Display only one unit ("2 hours" or "10 minutes"). |
| return ui::TimeFormat::Simple(ui::TimeFormat::FORMAT_DURATION, |
| ui::TimeFormat::LENGTH_LONG, time_left); |
| } |
| |
| return ui::TimeFormat::Detailed(ui::TimeFormat::FORMAT_DURATION, |
| ui::TimeFormat::LENGTH_LONG, |
| -1, // force hour and minute output |
| time_left); |
| } |
| |
| } // namespace |
| |
| const char PowerHandler::kPowerManagementSettingsChangedName[] = |
| "power-management-settings-changed"; |
| const char PowerHandler::kIdleBehaviorKey[] = "idleBehavior"; |
| const char PowerHandler::kIdleControlledKey[] = "idleControlled"; |
| const char PowerHandler::kLidClosedBehaviorKey[] = "lidClosedBehavior"; |
| const char PowerHandler::kLidClosedControlledKey[] = "lidClosedControlled"; |
| const char PowerHandler::kHasLidKey[] = "hasLid"; |
| |
| PowerHandler::TestAPI::TestAPI(PowerHandler* handler) : handler_(handler) {} |
| |
| PowerHandler::TestAPI::~TestAPI() = default; |
| |
| void PowerHandler::TestAPI::RequestPowerManagementSettings() { |
| base::ListValue args; |
| handler_->HandleRequestPowerManagementSettings(&args); |
| } |
| |
| void PowerHandler::TestAPI::SetIdleBehavior(IdleBehavior behavior) { |
| base::ListValue args; |
| args.AppendInteger(static_cast<int>(behavior)); |
| handler_->HandleSetIdleBehavior(&args); |
| } |
| |
| void PowerHandler::TestAPI::SetLidClosedBehavior( |
| PowerPolicyController::Action behavior) { |
| base::ListValue args; |
| args.AppendInteger(behavior); |
| handler_->HandleSetLidClosedBehavior(&args); |
| } |
| |
| PowerHandler::PowerHandler(PrefService* prefs) |
| : prefs_(prefs), |
| power_status_observer_(this), |
| power_manager_client_observer_(this), |
| weak_ptr_factory_(this) { |
| power_status_ = ash::PowerStatus::Get(); |
| } |
| |
| PowerHandler::~PowerHandler() {} |
| |
| void PowerHandler::RegisterMessages() { |
| web_ui()->RegisterMessageCallback( |
| "updatePowerStatus", |
| base::BindRepeating(&PowerHandler::HandleUpdatePowerStatus, |
| base::Unretained(this))); |
| web_ui()->RegisterMessageCallback( |
| "setPowerSource", base::BindRepeating(&PowerHandler::HandleSetPowerSource, |
| base::Unretained(this))); |
| web_ui()->RegisterMessageCallback( |
| "requestPowerManagementSettings", |
| base::BindRepeating(&PowerHandler::HandleRequestPowerManagementSettings, |
| base::Unretained(this))); |
| web_ui()->RegisterMessageCallback( |
| "setLidClosedBehavior", |
| base::BindRepeating(&PowerHandler::HandleSetLidClosedBehavior, |
| base::Unretained(this))); |
| web_ui()->RegisterMessageCallback( |
| "setIdleBehavior", |
| base::BindRepeating(&PowerHandler::HandleSetIdleBehavior, |
| base::Unretained(this))); |
| } |
| |
| void PowerHandler::OnJavascriptAllowed() { |
| power_status_observer_.Add(power_status_); |
| |
| PowerManagerClient* power_manager_client = |
| DBusThreadManager::Get()->GetPowerManagerClient(); |
| power_manager_client_observer_.Add(power_manager_client); |
| power_manager_client->GetSwitchStates(base::Bind( |
| &PowerHandler::OnGotSwitchStates, weak_ptr_factory_.GetWeakPtr())); |
| |
| // Observe power management prefs used in the UI. |
| base::Closure callback(base::Bind(&PowerHandler::SendPowerManagementSettings, |
| base::Unretained(this), false /* force */)); |
| pref_change_registrar_ = std::make_unique<PrefChangeRegistrar>(); |
| pref_change_registrar_->Init(prefs_); |
| pref_change_registrar_->Add(prefs::kPowerAcIdleAction, callback); |
| pref_change_registrar_->Add(prefs::kPowerAcScreenDimDelayMs, callback); |
| pref_change_registrar_->Add(prefs::kPowerAcScreenOffDelayMs, callback); |
| pref_change_registrar_->Add(prefs::kPowerAcScreenLockDelayMs, callback); |
| pref_change_registrar_->Add(prefs::kPowerBatteryIdleAction, callback); |
| pref_change_registrar_->Add(prefs::kPowerBatteryScreenDimDelayMs, callback); |
| pref_change_registrar_->Add(prefs::kPowerBatteryScreenOffDelayMs, callback); |
| pref_change_registrar_->Add(prefs::kPowerBatteryScreenLockDelayMs, callback); |
| pref_change_registrar_->Add(prefs::kPowerLidClosedAction, callback); |
| } |
| |
| void PowerHandler::OnJavascriptDisallowed() { |
| power_status_observer_.RemoveAll(); |
| power_manager_client_observer_.RemoveAll(); |
| pref_change_registrar_.reset(); |
| } |
| |
| void PowerHandler::OnPowerStatusChanged() { |
| SendBatteryStatus(); |
| SendPowerSources(); |
| } |
| |
| void PowerHandler::PowerManagerRestarted() { |
| DBusThreadManager::Get()->GetPowerManagerClient()->GetSwitchStates( |
| base::BindOnce(&PowerHandler::OnGotSwitchStates, |
| weak_ptr_factory_.GetWeakPtr())); |
| } |
| |
| void PowerHandler::LidEventReceived(PowerManagerClient::LidState state, |
| const base::TimeTicks& timestamp) { |
| lid_state_ = state; |
| SendPowerManagementSettings(false /* force */); |
| } |
| |
| void PowerHandler::HandleUpdatePowerStatus(const base::ListValue* args) { |
| AllowJavascript(); |
| power_status_->RequestStatusUpdate(); |
| } |
| |
| void PowerHandler::HandleSetPowerSource(const base::ListValue* args) { |
| AllowJavascript(); |
| |
| std::string id; |
| CHECK(args->GetString(0, &id)); |
| power_status_->SetPowerSource(id); |
| } |
| |
| void PowerHandler::HandleRequestPowerManagementSettings( |
| const base::ListValue* args) { |
| AllowJavascript(); |
| SendPowerManagementSettings(true /* force */); |
| } |
| |
| void PowerHandler::HandleSetIdleBehavior(const base::ListValue* args) { |
| AllowJavascript(); |
| |
| int value = 0; |
| CHECK(args->GetInteger(0, &value)); |
| switch (static_cast<IdleBehavior>(value)) { |
| case IdleBehavior::DISPLAY_OFF_SLEEP: |
| // The default behavior is to turn the display off and sleep. Clear the |
| // prefs so we use the default delays. |
| prefs_->ClearPref(prefs::kPowerAcIdleAction); |
| prefs_->ClearPref(prefs::kPowerAcScreenDimDelayMs); |
| prefs_->ClearPref(prefs::kPowerAcScreenOffDelayMs); |
| prefs_->ClearPref(prefs::kPowerAcScreenLockDelayMs); |
| prefs_->ClearPref(prefs::kPowerBatteryIdleAction); |
| prefs_->ClearPref(prefs::kPowerBatteryScreenDimDelayMs); |
| prefs_->ClearPref(prefs::kPowerBatteryScreenOffDelayMs); |
| prefs_->ClearPref(prefs::kPowerBatteryScreenLockDelayMs); |
| break; |
| case IdleBehavior::DISPLAY_OFF: |
| // Override idle actions to keep the system awake, but use the default |
| // screen delays. |
| prefs_->SetInteger(prefs::kPowerAcIdleAction, |
| PowerPolicyController::ACTION_DO_NOTHING); |
| prefs_->ClearPref(prefs::kPowerAcScreenDimDelayMs); |
| prefs_->ClearPref(prefs::kPowerAcScreenOffDelayMs); |
| prefs_->ClearPref(prefs::kPowerAcScreenLockDelayMs); |
| prefs_->SetInteger(prefs::kPowerBatteryIdleAction, |
| PowerPolicyController::ACTION_DO_NOTHING); |
| prefs_->ClearPref(prefs::kPowerBatteryScreenDimDelayMs); |
| prefs_->ClearPref(prefs::kPowerBatteryScreenOffDelayMs); |
| prefs_->ClearPref(prefs::kPowerBatteryScreenLockDelayMs); |
| break; |
| case IdleBehavior::DISPLAY_ON: |
| // Override idle actions and set screen delays to 0 in order to disable |
| // them (i.e. keep the screen on). |
| prefs_->SetInteger(prefs::kPowerAcIdleAction, |
| PowerPolicyController::ACTION_DO_NOTHING); |
| prefs_->SetInteger(prefs::kPowerAcScreenDimDelayMs, 0); |
| prefs_->SetInteger(prefs::kPowerAcScreenOffDelayMs, 0); |
| prefs_->SetInteger(prefs::kPowerAcScreenLockDelayMs, 0); |
| prefs_->SetInteger(prefs::kPowerBatteryIdleAction, |
| PowerPolicyController::ACTION_DO_NOTHING); |
| prefs_->SetInteger(prefs::kPowerBatteryScreenDimDelayMs, 0); |
| prefs_->SetInteger(prefs::kPowerBatteryScreenOffDelayMs, 0); |
| prefs_->SetInteger(prefs::kPowerBatteryScreenLockDelayMs, 0); |
| break; |
| default: |
| NOTREACHED() << "Invalid idle behavior " << value; |
| } |
| } |
| |
| void PowerHandler::HandleSetLidClosedBehavior(const base::ListValue* args) { |
| AllowJavascript(); |
| |
| int value = 0; |
| CHECK(args->GetInteger(0, &value)); |
| switch (static_cast<PowerPolicyController::Action>(value)) { |
| case PowerPolicyController::ACTION_SUSPEND: |
| prefs_->ClearPref(prefs::kPowerLidClosedAction); |
| break; |
| case PowerPolicyController::ACTION_DO_NOTHING: |
| prefs_->SetInteger(prefs::kPowerLidClosedAction, |
| PowerPolicyController::ACTION_DO_NOTHING); |
| break; |
| default: |
| NOTREACHED() << "Unsupported lid-closed behavior " << value; |
| } |
| } |
| |
| void PowerHandler::SendBatteryStatus() { |
| bool charging = power_status_->IsBatteryCharging(); |
| bool calculating = power_status_->IsBatteryTimeBeingCalculated(); |
| int percent = power_status_->GetRoundedBatteryPercent(); |
| base::TimeDelta time_left; |
| bool show_time = false; |
| |
| if (!calculating) { |
| time_left = charging ? power_status_->GetBatteryTimeToFull() |
| : power_status_->GetBatteryTimeToEmpty(); |
| show_time = ash::PowerStatus::ShouldDisplayBatteryTime(time_left); |
| } |
| |
| base::string16 status_text; |
| if (show_time) { |
| status_text = l10n_util::GetStringFUTF16( |
| charging ? IDS_SETTINGS_BATTERY_STATUS_CHARGING |
| : IDS_SETTINGS_BATTERY_STATUS, |
| base::IntToString16(percent), GetBatteryTimeText(time_left)); |
| } else { |
| status_text = l10n_util::GetStringFUTF16(IDS_SETTINGS_BATTERY_STATUS_SHORT, |
| base::IntToString16(percent)); |
| } |
| |
| base::DictionaryValue battery_dict; |
| battery_dict.SetBoolean("present", power_status_->IsBatteryPresent()); |
| battery_dict.SetBoolean("charging", charging); |
| battery_dict.SetBoolean("calculating", calculating); |
| battery_dict.SetInteger("percent", percent); |
| battery_dict.SetString("statusText", status_text); |
| |
| FireWebUIListener("battery-status-changed", battery_dict); |
| } |
| |
| void PowerHandler::SendPowerSources() { |
| base::ListValue sources_list; |
| for (const auto& source : power_status_->GetPowerSources()) { |
| std::unique_ptr<base::DictionaryValue> dict(new base::DictionaryValue()); |
| dict->SetString("id", source.id); |
| dict->SetInteger("type", source.type); |
| dict->SetString("description", |
| l10n_util::GetStringUTF16(source.description_id)); |
| sources_list.Append(std::move(dict)); |
| } |
| |
| FireWebUIListener("power-sources-changed", sources_list, |
| base::Value(power_status_->GetCurrentPowerSourceID()), |
| base::Value(power_status_->IsUsbChargerConnected())); |
| } |
| |
| void PowerHandler::SendPowerManagementSettings(bool force) { |
| // Infer the idle behavior based on the idle action (determining whether we'll |
| // sleep eventually or not) and the AC screen-off delay. Policy can request |
| // more-nuanced combinations of AC/battery actions and delays, but we wouldn't |
| // be able to display something meaningful in the UI in those cases anyway. |
| const PowerPolicyController::Action idle_action = |
| static_cast<PowerPolicyController::Action>( |
| prefs_->GetInteger(prefs::kPowerAcIdleAction)); |
| IdleBehavior idle_behavior = IdleBehavior::OTHER; |
| if (idle_action == PowerPolicyController::ACTION_SUSPEND) { |
| idle_behavior = IdleBehavior::DISPLAY_OFF_SLEEP; |
| } else if (idle_action == PowerPolicyController::ACTION_DO_NOTHING) { |
| idle_behavior = (prefs_->GetInteger(prefs::kPowerAcScreenOffDelayMs) > 0 |
| ? IdleBehavior::DISPLAY_OFF |
| : IdleBehavior::DISPLAY_ON); |
| } |
| |
| const bool idle_controlled = |
| prefs_->IsManagedPreference(prefs::kPowerAcIdleAction) || |
| prefs_->IsManagedPreference(prefs::kPowerAcScreenDimDelayMs) || |
| prefs_->IsManagedPreference(prefs::kPowerAcScreenOffDelayMs) || |
| prefs_->IsManagedPreference(prefs::kPowerAcScreenLockDelayMs) || |
| prefs_->IsManagedPreference(prefs::kPowerBatteryIdleAction) || |
| prefs_->IsManagedPreference(prefs::kPowerBatteryScreenDimDelayMs) || |
| prefs_->IsManagedPreference(prefs::kPowerBatteryScreenOffDelayMs) || |
| prefs_->IsManagedPreference(prefs::kPowerBatteryScreenLockDelayMs); |
| |
| const PowerPolicyController::Action lid_closed_behavior = |
| static_cast<PowerPolicyController::Action>( |
| prefs_->GetInteger(prefs::kPowerLidClosedAction)); |
| const bool lid_closed_controlled = |
| prefs_->IsManagedPreference(prefs::kPowerLidClosedAction); |
| const bool has_lid = lid_state_ != PowerManagerClient::LidState::NOT_PRESENT; |
| |
| // Don't notify the UI if nothing changed. |
| if (!force && idle_behavior == last_idle_behavior_ && |
| idle_controlled == last_idle_controlled_ && |
| lid_closed_behavior == last_lid_closed_behavior_ && |
| lid_closed_controlled == last_lid_closed_controlled_ && |
| has_lid == last_has_lid_) |
| return; |
| |
| base::DictionaryValue dict; |
| dict.SetInteger(kIdleBehaviorKey, static_cast<int>(idle_behavior)); |
| dict.SetBoolean(kIdleControlledKey, idle_controlled); |
| dict.SetInteger(kLidClosedBehaviorKey, lid_closed_behavior); |
| dict.SetBoolean(kLidClosedControlledKey, lid_closed_controlled); |
| dict.SetBoolean(kHasLidKey, has_lid); |
| CallJavascriptFunction("cr.webUIListenerCallback", |
| base::Value(kPowerManagementSettingsChangedName), |
| dict); |
| |
| last_idle_behavior_ = idle_behavior; |
| last_idle_controlled_ = idle_controlled; |
| last_lid_closed_behavior_ = lid_closed_behavior; |
| last_lid_closed_controlled_ = lid_closed_controlled; |
| last_has_lid_ = has_lid; |
| } |
| |
| void PowerHandler::OnGotSwitchStates( |
| base::Optional<PowerManagerClient::SwitchStates> result) { |
| if (!result.has_value()) |
| return; |
| lid_state_ = result->lid_state; |
| SendPowerManagementSettings(false /* force */); |
| } |
| |
| } // namespace settings |
| } // namespace chromeos |