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// SPDX-FileCopyrightText: 2023 Deminder <tremminder@gmail.com>
// SPDX-License-Identifier: GPL-3.0-or-later
import Gio from 'gi://Gio';
import * as Control from './control.js';
import { proxyPromise } from '../modules/util.js';
import { pgettext as C_, gettext as _ } from '../modules/translation.js';
import { logDebug } from '../modules/util.js';
export const ACTIONS = {
PowerOff: 0,
Reboot: 1,
Suspend: 2,
SuspendThenHibernate: 3,
Hibernate: 4,
HybridSleep: 5,
Halt: 6,
};
export const WAKE_ACTIONS = { wake: 100, 'no-wake': 101 };
/**
* Get supported actions.
* In order to show an error when shutdown or reboot are not supported
* they are always included here. */
export async function* supportedActions() {
const actionDbus = new Action();
for await (const action of Object.keys(ACTIONS).map(async a =>
['PowerOff', 'Reboot'].includes(a) ||
(await actionDbus.canShutdownAction(a))
? a
: null
)) {
if (action) {
yield action;
}
}
}
export class UnsupportedActionError extends Error {}
export class Action {
#cancellable = new Gio.Cancellable();
#cookie = null;
#loginProxy = proxyPromise(
'org.freedesktop.login1.Manager',
Gio.DBus.system,
'org.freedesktop.login1',
'/org/freedesktop/login1',
this.#cancellable
);
#screenSaverProxy = proxyPromise(
'org.gnome.ScreenSaver',
Gio.DBus.session,
'org.gnome.ScreenSaver',
'/org/gnome/ScreenSaver',
this.#cancellable
);
#sessionProxy = proxyPromise(
'org.gnome.SessionManager',
Gio.DBus.session,
'org.gnome.SessionManager',
'/org/gnome/SessionManager',
this.#cancellable
);
destroy() {
if (this.#cancellable !== null) {
this.#cancellable.cancel();
this.#cancellable = null;
}
}
#poweroffOrReboot(action) {
return [ACTIONS.PowerOff, ACTIONS.Reboot].includes(ACTIONS[action]);
}
/**
* Perform the shutdown action.
*
* @param {string} action the shutdown action
* @param {boolean} showEndSessionDialog show the end session dialog or directly shutdown
*
* @returns {Promise} resolves on action completion
*/
async shutdownAction(action, showEndSessionDialog) {
if (!(action in ACTIONS))
throw new Error(`Unknown shutdown action: ${action}`);
logDebug('[shutdownAction]', action);
await this.uninhibitSuspend();
const screenSaverProxy = await this.#screenSaverProxy;
const [screenSaverActive] = await screenSaverProxy.GetActiveAsync();
if (
showEndSessionDialog &&
!screenSaverActive &&
this.#poweroffOrReboot(action)
) {
const sessionProxy = await this.#sessionProxy;
if (action === 'PowerOff') {
await sessionProxy.ShutdownAsync();
} else {
await sessionProxy.RebootAsync();
}
} else {
const loginProxy = await this.#loginProxy;
if (await this.canShutdownAction(action)) {
await loginProxy[`${action}Async`](true);
} else if (this.#poweroffOrReboot(action)) {
await Control.shutdown('now', ACTIONS[action] === ACTIONS.Reboot);
} else {
throw new UnsupportedActionError();
}
}
}
/**
* Check if a shutdown action can be performed (without authentication).
*
* @returns {Promise} resolves to `true` if action can be performed, otherwise `false`.
*/
async canShutdownAction(action) {
const loginProxy = await this.#loginProxy;
if (!(action in ACTIONS))
throw new Error(`Unknown shutdown action: ${action}`);
const [result] = await loginProxy[`Can${action}Async`]();
return result === 'yes';
}
/**
* Schedule a wake after some minutes or cancel
*
* @param {boolean} wake
* @param {number} minutes
*/
async wakeAction(wake, minutes) {
if (wake) {
await Control.wake(minutes);
} else {
await Control.wakeCancel();
}
}
async inhibitSuspend() {
if (this.#cookie === null) {
const sessionProxy = await this.#sessionProxy;
const [cookie] = await sessionProxy.InhibitAsync(
'user',
0,
'Inhibit by Shutdown Timer (GNOME-Shell extension)',
/* Suspend flag */ 4
);
this.#cookie = cookie;
}
}
async uninhibitSuspend() {
if (this.#cookie !== null) {
const sessionProxy = await this.#sessionProxy;
await sessionProxy.UninhibitAsync(this.#cookie);
this.#cookie = null;
}
}
}
/**
* Get the translated action label
*
* @param action
*/
export function actionLabel(action) {
return {
SuspendThenHibernate: _('Suspend then Hibernate'),
HybridSleep: _('Hybrid Sleep'),
Hibernate: _('Hibernate'),
Halt: _('Halt'),
Suspend: _('Suspend'),
PowerOff: _('Power Off'),
Reboot: _('Restart'),
wake: _('Wake'),
'no-wake': _('No Wake'),
}[action];
}
export function untilText(action) {
return {
SuspendThenHibernate: C_('untiltext', 'suspend and hibernate'),
HybridSleep: C_('untiltext', 'hybrid sleep'),
Hibernate: C_('untiltext', 'hibernate'),
Halt: C_('untiltext', 'halt'),
Suspend: C_('untiltext', 'suspend'),
PowerOff: C_('untiltext', 'shutdown'),
Reboot: C_('untiltext', 'reboot'),
wake: C_('untiltext', 'wakeup'),
}[action];
}
export function mapLegacyAction(action) {
return action in ACTIONS || ['wake', ''].includes(action)
? action
: {
poweroff: 'PowerOff',
shutdown: 'PowerOff',
reboot: 'Reboot',
suspend: 'Suspend',
}[action] ??
{
p: 'PowerOff',
r: 'Reboot',
s: 'Suspend',
h: 'SuspendThenHibernate',
}[action[0].toLowerCase()];
}
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