const { AccountsService, Clutter, Gdm, Gio, GLib, GObject, Meta } = imports.gi;
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();
}
});