gnome-shell/js/misc/systemActions.js
Florian Müllner e68dfed1f7 cleanup: Port GObject classes to JS6 classes
GJS added API for defining GObject classes with ES6 class syntax
last cycle, use it to port the remaining Lang.Class classes to
the new syntax.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/361
2019-01-25 14:02:44 +00:00

436 lines
18 KiB
JavaScript

const AccountsService = imports.gi.AccountsService;
const Clutter = imports.gi.Clutter;
const Gdm = imports.gi.Gdm;
const Gio = imports.gi.Gio;
const GLib = imports.gi.GLib;
const Meta = imports.gi.Meta;
const GObject = imports.gi.GObject;
const GnomeSession = imports.misc.gnomeSession;
const LoginManager = imports.misc.loginManager;
const Main = imports.ui.main;
const { loadInterfaceXML } = imports.misc.fileUtils;
const LOCKDOWN_SCHEMA = 'org.gnome.desktop.lockdown';
const LOGIN_SCREEN_SCHEMA = 'org.gnome.login-screen';
const DISABLE_USER_SWITCH_KEY = 'disable-user-switching';
const DISABLE_LOCK_SCREEN_KEY = 'disable-lock-screen';
const DISABLE_LOG_OUT_KEY = 'disable-log-out';
const DISABLE_RESTART_KEY = 'disable-restart-buttons';
const ALWAYS_SHOW_LOG_OUT_KEY = 'always-show-log-out';
const SENSOR_BUS_NAME = 'net.hadess.SensorProxy';
const SENSOR_OBJECT_PATH = '/net/hadess/SensorProxy';
const SensorProxyInterface = loadInterfaceXML('net.hadess.SensorProxy');
const POWER_OFF_ACTION_ID = 'power-off';
const LOCK_SCREEN_ACTION_ID = 'lock-screen';
const LOGOUT_ACTION_ID = 'logout';
const SUSPEND_ACTION_ID = 'suspend';
const SWITCH_USER_ACTION_ID = 'switch-user';
const LOCK_ORIENTATION_ACTION_ID = 'lock-orientation';
const SensorProxy = Gio.DBusProxy.makeProxyWrapper(SensorProxyInterface);
let _singleton = null;
function getDefault() {
if (_singleton == null)
_singleton = new SystemActions();
return _singleton;
}
const SystemActions = GObject.registerClass({
Properties: {
'can-power-off': GObject.ParamSpec.boolean('can-power-off',
'can-power-off',
'can-power-off',
GObject.ParamFlags.READABLE,
false),
'can-suspend': GObject.ParamSpec.boolean('can-suspend',
'can-suspend',
'can-suspend',
GObject.ParamFlags.READABLE,
false),
'can-lock-screen': GObject.ParamSpec.boolean('can-lock-screen',
'can-lock-screen',
'can-lock-screen',
GObject.ParamFlags.READABLE,
false),
'can-switch-user': GObject.ParamSpec.boolean('can-switch-user',
'can-switch-user',
'can-switch-user',
GObject.ParamFlags.READABLE,
false),
'can-logout': GObject.ParamSpec.boolean('can-logout',
'can-logout',
'can-logout',
GObject.ParamFlags.READABLE,
false),
'can-lock-orientation': GObject.ParamSpec.boolean('can-lock-orientation',
'can-lock-orientation',
'can-lock-orientation',
GObject.ParamFlags.READABLE,
false),
'orientation-lock-icon': GObject.ParamSpec.string('orientation-lock-icon',
'orientation-lock-icon',
'orientation-lock-icon',
GObject.ParamFlags.READWRITE,
null)
}
}, class SystemActions extends GObject.Object {
_init() {
super._init();
this._canHavePowerOff = true;
this._canHaveSuspend = true;
this._actions = new Map();
this._actions.set(POWER_OFF_ACTION_ID,
{ // Translators: The name of the power-off action in search
name: C_("search-result", "Power Off"),
iconName: 'system-shutdown-symbolic',
// Translators: A list of keywords that match the power-off action, separated by semicolons
keywords: _("power off;shutdown;reboot;restart").split(';'),
available: false });
this._actions.set(LOCK_SCREEN_ACTION_ID,
{ // Translators: The name of the lock screen action in search
name: C_("search-result", "Lock Screen"),
iconName: 'system-lock-screen-symbolic',
// Translators: A list of keywords that match the lock screen action, separated by semicolons
keywords: _("lock screen").split(';'),
available: false });
this._actions.set(LOGOUT_ACTION_ID,
{ // Translators: The name of the logout action in search
name: C_("search-result", "Log Out"),
iconName: 'application-exit-symbolic',
// Translators: A list of keywords that match the logout action, separated by semicolons
keywords: _("logout;sign off").split(';'),
available: false });
this._actions.set(SUSPEND_ACTION_ID,
{ // Translators: The name of the suspend action in search
name: C_("search-result", "Suspend"),
iconName: 'media-playback-pause-symbolic',
// Translators: A list of keywords that match the suspend action, separated by semicolons
keywords: _("suspend;sleep").split(';'),
available: false });
this._actions.set(SWITCH_USER_ACTION_ID,
{ // Translators: The name of the switch user action in search
name: C_("search-result", "Switch User"),
iconName: 'system-switch-user-symbolic',
// Translators: A list of keywords that match the switch user action, separated by semicolons
keywords: _("switch user").split(';'),
available: false });
this._actions.set(LOCK_ORIENTATION_ACTION_ID,
{ // Translators: The name of the lock orientation action in search
name: C_("search-result", "Lock Orientation"),
iconName: '',
// Translators: A list of keywords that match the lock orientation action, separated by semicolons
keywords: _("lock orientation;screen;rotation").split(';'),
available: false });
this._loginScreenSettings = new Gio.Settings({ schema_id: LOGIN_SCREEN_SCHEMA });
this._lockdownSettings = new Gio.Settings({ schema_id: LOCKDOWN_SCHEMA });
this._orientationSettings = new Gio.Settings({ schema_id: 'org.gnome.settings-daemon.peripherals.touchscreen' });
this._session = new GnomeSession.SessionManager();
this._loginManager = LoginManager.getLoginManager();
this._monitorManager = Meta.MonitorManager.get();
this._userManager = AccountsService.UserManager.get_default();
this._userManager.connect('notify::is-loaded',
() => { this._updateMultiUser(); });
this._userManager.connect('notify::has-multiple-users',
() => { this._updateMultiUser(); });
this._userManager.connect('user-added',
() => { this._updateMultiUser(); });
this._userManager.connect('user-removed',
() => { this._updateMultiUser(); });
this._lockdownSettings.connect('changed::' + DISABLE_USER_SWITCH_KEY,
() => { this._updateSwitchUser(); });
this._lockdownSettings.connect('changed::' + DISABLE_LOG_OUT_KEY,
() => { this._updateLogout(); });
global.settings.connect('changed::' + ALWAYS_SHOW_LOG_OUT_KEY,
() => { this._updateLogout(); });
this._lockdownSettings.connect('changed::' + DISABLE_LOCK_SCREEN_KEY,
() => { this._updateLockScreen(); });
this._lockdownSettings.connect('changed::' + DISABLE_LOG_OUT_KEY,
() => { this._updateHaveShutdown(); });
this.forceUpdate();
this._orientationSettings.connect('changed::orientation-lock',
() => { this._updateOrientationLock();
this._updateOrientationLockIcon(); });
Main.layoutManager.connect('monitors-changed',
() => { this._updateOrientationLock(); });
Gio.DBus.system.watch_name(SENSOR_BUS_NAME,
Gio.BusNameWatcherFlags.NONE,
() => { this._sensorProxyAppeared(); },
() => {
this._sensorProxy = null;
this._updateOrientationLock();
});
this._updateOrientationLock();
this._updateOrientationLockIcon();
Main.sessionMode.connect('updated', () => { this._sessionUpdated(); });
this._sessionUpdated();
}
get can_power_off() {
return this._actions.get(POWER_OFF_ACTION_ID).available;
}
get can_suspend() {
return this._actions.get(SUSPEND_ACTION_ID).available;
}
get can_lock_screen() {
return this._actions.get(LOCK_SCREEN_ACTION_ID).available;
}
get can_switch_user() {
return this._actions.get(SWITCH_USER_ACTION_ID).available;
}
get can_logout() {
return this._actions.get(LOGOUT_ACTION_ID).available;
}
get can_lock_orientation() {
return this._actions.get(LOCK_ORIENTATION_ACTION_ID).available;
}
get orientation_lock_icon() {
return this._actions.get(LOCK_ORIENTATION_ACTION_ID).iconName;
}
_sensorProxyAppeared() {
this._sensorProxy = new SensorProxy(Gio.DBus.system, SENSOR_BUS_NAME, SENSOR_OBJECT_PATH,
(proxy, error) => {
if (error) {
log(error.message);
return;
}
this._sensorProxy.connect('g-properties-changed',
() => { this._updateOrientationLock(); });
this._updateOrientationLock();
});
}
_updateOrientationLock() {
let available = false;
if (this._sensorProxy)
available = this._sensorProxy.HasAccelerometer &&
this._monitorManager.get_is_builtin_display_on();
this._actions.get(LOCK_ORIENTATION_ACTION_ID).available = available;
this.notify('can-lock-orientation');
}
_updateOrientationLockIcon() {
let locked = this._orientationSettings.get_boolean('orientation-lock');
let iconName = locked ? 'rotation-locked-symbolic'
: 'rotation-allowed-symbolic';
this._actions.get(LOCK_ORIENTATION_ACTION_ID).iconName = iconName;
this.notify('orientation-lock-icon');
}
_sessionUpdated() {
this._updateLockScreen();
this._updatePowerOff();
this._updateSuspend();
this._updateMultiUser();
}
forceUpdate() {
// Whether those actions are available or not depends on both lockdown
// settings and Polkit policy - we don't get change notifications for the
// latter, so their value may be outdated; force an update now
this._updateHaveShutdown();
this._updateHaveSuspend();
}
getMatchingActions(terms) {
// terms is a list of strings
terms = terms.map((term) => { return term.toLowerCase(); });
let results = [];
for (let [key, {available, keywords}] of this._actions)
if (available && terms.every(t => keywords.some(k => (k.indexOf(t) >= 0))))
results.push(key);
return results;
}
getName(id) {
return this._actions.get(id).name;
}
getIconName(id) {
return this._actions.get(id).iconName;
}
activateAction(id) {
switch (id) {
case POWER_OFF_ACTION_ID:
this.activatePowerOff();
break;
case LOCK_SCREEN_ACTION_ID:
this.activateLockScreen();
break;
case LOGOUT_ACTION_ID:
this.activateLogout();
break;
case SUSPEND_ACTION_ID:
this.activateSuspend();
break;
case SWITCH_USER_ACTION_ID:
this.activateSwitchUser();
break;
case LOCK_ORIENTATION_ACTION_ID:
this.activateLockOrientation();
break;
}
}
_updateLockScreen() {
let showLock = !Main.sessionMode.isLocked && !Main.sessionMode.isGreeter;
let allowLockScreen = !this._lockdownSettings.get_boolean(DISABLE_LOCK_SCREEN_KEY);
this._actions.get(LOCK_SCREEN_ACTION_ID).available = showLock && allowLockScreen && LoginManager.canLock();
this.notify('can-lock-screen');
}
_updateHaveShutdown() {
this._session.CanShutdownRemote((result, error) => {
if (error)
return;
this._canHavePowerOff = result[0];
this._updatePowerOff();
});
}
_updatePowerOff() {
let disabled = Main.sessionMode.isLocked ||
(Main.sessionMode.isGreeter &&
this._loginScreenSettings.get_boolean(DISABLE_RESTART_KEY));
this._actions.get(POWER_OFF_ACTION_ID).available = this._canHavePowerOff && !disabled;
this.notify('can-power-off');
}
_updateHaveSuspend() {
this._loginManager.canSuspend(
(canSuspend, needsAuth) => {
this._canHaveSuspend = canSuspend;
this._suspendNeedsAuth = needsAuth;
this._updateSuspend();
});
}
_updateSuspend() {
let disabled = (Main.sessionMode.isLocked &&
this._suspendNeedsAuth) ||
(Main.sessionMode.isGreeter &&
this._loginScreenSettings.get_boolean(DISABLE_RESTART_KEY));
this._actions.get(SUSPEND_ACTION_ID).available = this._canHaveSuspend && !disabled;
this.notify('can-suspend');
}
_updateMultiUser() {
this._updateLogout();
this._updateSwitchUser();
}
_updateSwitchUser() {
let allowSwitch = !this._lockdownSettings.get_boolean(DISABLE_USER_SWITCH_KEY);
let multiUser = this._userManager.can_switch() && this._userManager.has_multiple_users;
let shouldShowInMode = !Main.sessionMode.isLocked && !Main.sessionMode.isGreeter;
let visible = allowSwitch && multiUser && shouldShowInMode;
this._actions.get(SWITCH_USER_ACTION_ID).available = visible;
this.notify('can-switch-user');
return visible;
}
_updateLogout() {
let user = this._userManager.get_user(GLib.get_user_name());
let allowLogout = !this._lockdownSettings.get_boolean(DISABLE_LOG_OUT_KEY);
let alwaysShow = global.settings.get_boolean(ALWAYS_SHOW_LOG_OUT_KEY);
let systemAccount = user.system_account;
let localAccount = user.local_account;
let multiUser = this._userManager.has_multiple_users;
let multiSession = Gdm.get_session_ids().length > 1;
let shouldShowInMode = !Main.sessionMode.isLocked && !Main.sessionMode.isGreeter;
let visible = allowLogout && (alwaysShow || multiUser || multiSession || systemAccount || !localAccount) && shouldShowInMode;
this._actions.get(LOGOUT_ACTION_ID).available = visible;
this.notify('can-logout');
return visible;
}
activateLockOrientation() {
if (!this._actions.get(LOCK_ORIENTATION_ACTION_ID).available)
throw new Error('The lock-orientation action is not available!');
let locked = this._orientationSettings.get_boolean('orientation-lock');
this._orientationSettings.set_boolean('orientation-lock', !locked);
}
activateLockScreen() {
if (!this._actions.get(LOCK_SCREEN_ACTION_ID).available)
throw new Error('The lock-screen action is not available!');
Main.screenShield.lock(true);
}
activateSwitchUser() {
if (!this._actions.get(SWITCH_USER_ACTION_ID).available)
throw new Error('The switch-user action is not available!');
if (Main.screenShield)
Main.screenShield.lock(false);
Clutter.threads_add_repaint_func_full(Clutter.RepaintFlags.POST_PAINT, () => {
Gdm.goto_login_session_sync(null);
return false;
});
}
activateLogout() {
if (!this._actions.get(LOGOUT_ACTION_ID).available)
throw new Error('The logout action is not available!');
Main.overview.hide();
this._session.LogoutRemote(0);
}
activatePowerOff() {
if (!this._actions.get(POWER_OFF_ACTION_ID).available)
throw new Error('The power-off action is not available!');
this._session.ShutdownRemote(0);
}
activateSuspend() {
if (!this._actions.get(SUSPEND_ACTION_ID).available)
throw new Error('The suspend action is not available!');
this._loginManager.suspend();
}
});