// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*- /* exported init, EndSessionDialog */ /* * Copyright 2010-2016 Red Hat, Inc * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, see <http://www.gnu.org/licenses/>. */ const { AccountsService, Clutter, Gio, GLib, GObject, Pango, Polkit, Shell, St, UPowerGlib: UPower } = imports.gi; const CheckBox = imports.ui.checkBox; const Dialog = imports.ui.dialog; const GnomeSession = imports.misc.gnomeSession; const LoginManager = imports.misc.loginManager; const ModalDialog = imports.ui.modalDialog; const UserWidget = imports.ui.userWidget; const { loadInterfaceXML } = imports.misc.fileUtils; const _ITEM_ICON_SIZE = 64; const LOW_BATTERY_THRESHOLD = 30; const EndSessionDialogIface = loadInterfaceXML('org.gnome.SessionManager.EndSessionDialog'); const logoutDialogContent = { subjectWithUser: C_("title", "Log Out %s"), subject: C_("title", "Log Out"), descriptionWithUser(user, seconds) { return ngettext( '%s will be logged out automatically in %d second.', '%s will be logged out automatically in %d seconds.', seconds).format(user, seconds); }, description(seconds) { return ngettext( 'You will be logged out automatically in %d second.', 'You will be logged out automatically in %d seconds.', seconds).format(seconds); }, showBatteryWarning: false, confirmButtons: [{ signal: 'ConfirmedLogout', label: C_('button', 'Log Out'), }], showOtherSessions: false, }; const shutdownDialogContent = { subject: C_("title", "Power Off"), subjectWithUpdates: C_("title", "Install Updates & Power Off"), description(seconds) { return ngettext( 'The system will power off automatically in %d second.', 'The system will power off automatically in %d seconds.', seconds).format(seconds); }, checkBoxText: C_("checkbox", "Install pending software updates"), showBatteryWarning: true, confirmButtons: [{ signal: 'ConfirmedShutdown', label: C_('button', 'Power Off'), }], iconName: 'system-shutdown-symbolic', showOtherSessions: true, }; const restartDialogContent = { subject: C_("title", "Restart"), subjectWithUpdates: C_('title', 'Install Updates & Restart'), description(seconds) { return ngettext( 'The system will restart automatically in %d second.', 'The system will restart automatically in %d seconds.', seconds).format(seconds); }, checkBoxText: C_('checkbox', 'Install pending software updates'), showBatteryWarning: true, confirmButtons: [{ signal: 'ConfirmedReboot', label: C_('button', 'Restart'), }], iconName: 'view-refresh-symbolic', showOtherSessions: true, }; const restartUpdateDialogContent = { subject: C_("title", "Restart & Install Updates"), description(seconds) { return ngettext( 'The system will automatically restart and install updates in %d second.', 'The system will automatically restart and install updates in %d seconds.', seconds).format(seconds); }, showBatteryWarning: true, confirmButtons: [{ signal: 'ConfirmedReboot', label: C_('button', 'Restart & Install'), }], unusedFutureButtonForTranslation: C_("button", "Install & Power Off"), unusedFutureCheckBoxForTranslation: C_("checkbox", "Power off after updates are installed"), iconName: 'view-refresh-symbolic', showOtherSessions: true, }; const restartUpgradeDialogContent = { subject: C_("title", "Restart & Install Upgrade"), upgradeDescription(distroName, distroVersion) { /* Translators: This is the text displayed for system upgrades in the shut down dialog. First %s gets replaced with the distro name and second %s with the distro version to upgrade to */ return _("%s %s will be installed after restart. Upgrade installation can take a long time: ensure that you have backed up and that the computer is plugged in.").format(distroName, distroVersion); }, disableTimer: true, showBatteryWarning: false, confirmButtons: [{ signal: 'ConfirmedReboot', label: C_('button', 'Restart & Install'), }], iconName: 'view-refresh-symbolic', showOtherSessions: true, }; const DialogType = { LOGOUT: 0 /* GSM_SHELL_END_SESSION_DIALOG_TYPE_LOGOUT */, SHUTDOWN: 1 /* GSM_SHELL_END_SESSION_DIALOG_TYPE_SHUTDOWN */, RESTART: 2 /* GSM_SHELL_END_SESSION_DIALOG_TYPE_RESTART */, UPDATE_RESTART: 3, UPGRADE_RESTART: 4, }; const DialogContent = { 0 /* DialogType.LOGOUT */: logoutDialogContent, 1 /* DialogType.SHUTDOWN */: shutdownDialogContent, 2 /* DialogType.RESTART */: restartDialogContent, 3 /* DialogType.UPDATE_RESTART */: restartUpdateDialogContent, 4 /* DialogType.UPGRADE_RESTART */: restartUpgradeDialogContent, }; var MAX_USERS_IN_SESSION_DIALOG = 5; const LogindSessionIface = loadInterfaceXML('org.freedesktop.login1.Session'); const LogindSession = Gio.DBusProxy.makeProxyWrapper(LogindSessionIface); const PkOfflineIface = loadInterfaceXML('org.freedesktop.PackageKit.Offline'); const PkOfflineProxy = Gio.DBusProxy.makeProxyWrapper(PkOfflineIface); const UPowerIface = loadInterfaceXML('org.freedesktop.UPower.Device'); const UPowerProxy = Gio.DBusProxy.makeProxyWrapper(UPowerIface); function findAppFromInhibitor(inhibitor) { let desktopFile; try { [desktopFile] = inhibitor.GetAppIdSync(); } catch (e) { // XXX -- sometimes JIT inhibitors generated by gnome-session // get removed too soon. Don't fail in this case. log('gnome-session gave us a dead inhibitor: %s'.format(inhibitor.get_object_path())); return null; } if (!GLib.str_has_suffix(desktopFile, '.desktop')) desktopFile += '.desktop'; return Shell.AppSystem.get_default().lookup_heuristic_basename(desktopFile); } // The logout timer only shows updates every 10 seconds // until the last 10 seconds, then it shows updates every // second. This function takes a given time and returns // what we should show to the user for that time. function _roundSecondsToInterval(totalSeconds, secondsLeft, interval) { let time; time = Math.ceil(secondsLeft); // Final count down is in decrements of 1 if (time <= interval) return time; // Round up higher than last displayable time interval time += interval - 1; // Then round down to that time interval if (time > totalSeconds) time = Math.ceil(totalSeconds); else time -= time % interval; return time; } function _setCheckBoxLabel(checkBox, text) { let label = checkBox.getLabelActor(); if (text) { label.set_text(text); checkBox.show(); } else { label.set_text(''); checkBox.hide(); } } function init() { // This always returns the same singleton object // By instantiating it initially, we register the // bus object, etc. new EndSessionDialog(); } var EndSessionDialog = GObject.registerClass( class EndSessionDialog extends ModalDialog.ModalDialog { _init() { super._init({ styleClass: 'end-session-dialog', destroyOnClose: false }); this._loginManager = LoginManager.getLoginManager(); this._loginManager.canRebootToBootLoaderMenu( (canRebootToBootLoaderMenu, unusedNeedsAuth) => { this._canRebootToBootLoaderMenu = canRebootToBootLoaderMenu; }); this._userManager = AccountsService.UserManager.get_default(); this._user = this._userManager.get_user(GLib.get_user_name()); this._updatesPermission = null; this._pkOfflineProxy = new PkOfflineProxy(Gio.DBus.system, 'org.freedesktop.PackageKit', '/org/freedesktop/PackageKit', this._onPkOfflineProxyCreated.bind(this)); this._powerProxy = new UPowerProxy(Gio.DBus.system, 'org.freedesktop.UPower', '/org/freedesktop/UPower/devices/DisplayDevice', (proxy, error) => { if (error) { log(error.message); return; } this._powerProxy.connect('g-properties-changed', this._sync.bind(this)); this._sync(); }); this._secondsLeft = 0; this._totalSecondsToStayOpen = 0; this._applications = []; this._sessions = []; this._capturedEventId = 0; this._rebootButton = null; this._rebootButtonAlt = null; this.connect('destroy', this._onDestroy.bind(this)); this.connect('opened', this._onOpened.bind(this)); this._userLoadedId = this._user.connect('notify::is-loaded', this._sync.bind(this)); this._userChangedId = this._user.connect('changed', this._sync.bind(this)); this._messageDialogContent = new Dialog.MessageDialogContent(); this._checkBox = new CheckBox.CheckBox(); this._checkBox.connect('clicked', this._sync.bind(this)); this._messageDialogContent.add_child(this._checkBox); this._batteryWarning = new St.Label({ style_class: 'end-session-dialog-battery-warning', text: _('Low battery power: please plug in before installing updates.'), }); this._batteryWarning.clutter_text.ellipsize = Pango.EllipsizeMode.NONE; this._batteryWarning.clutter_text.line_wrap = true; this._messageDialogContent.add_child(this._batteryWarning); this.contentLayout.add_child(this._messageDialogContent); this._applicationSection = new Dialog.ListSection({ title: _('Some applications are busy or have unsaved work'), }); this.contentLayout.add_child(this._applicationSection); this._sessionSection = new Dialog.ListSection({ title: _('Other users are logged in'), }); this.contentLayout.add_child(this._sessionSection); this._dbusImpl = Gio.DBusExportedObject.wrapJSObject(EndSessionDialogIface, this); this._dbusImpl.export(Gio.DBus.session, '/org/gnome/SessionManager/EndSessionDialog'); } async _onPkOfflineProxyCreated(proxy, error) { if (error) { log(error.message); return; } // Creating a D-Bus proxy won't propagate SERVICE_UNKNOWN or NAME_HAS_NO_OWNER // errors if PackageKit is not available, but the GIO implementation will make // sure in that case that the proxy's g-name-owner is set to null, so check that. if (this._pkOfflineProxy.g_name_owner === null) { this._pkOfflineProxy = null; return; } // It only makes sense to check for this permission if PackageKit is available. try { this._updatesPermission = await Polkit.Permission.new( 'org.freedesktop.packagekit.trigger-offline-update', null, null); } catch (e) { log('No permission to trigger offline updates: %s'.format(e.toString())); } } _onDestroy() { this._user.disconnect(this._userLoadedId); this._user.disconnect(this._userChangedId); } _isDischargingBattery() { return this._powerProxy.IsPresent && this._powerProxy.State !== UPower.DeviceState.CHARGING && this._powerProxy.State !== UPower.DeviceState.FULLY_CHARGED; } _isBatteryLow() { return this._isDischargingBattery() && this._powerProxy.Percentage < LOW_BATTERY_THRESHOLD; } _shouldShowLowBatteryWarning(dialogContent) { if (!dialogContent.showBatteryWarning) return false; if (!this._isBatteryLow()) return false; if (this._checkBox.checked) return true; // Show the warning if updates have already been triggered, but // the user doesn't have enough permissions to cancel them. let updatesAllowed = this._updatesPermission && this._updatesPermission.allowed; return this._updateInfo.UpdatePrepared && this._updateInfo.UpdateTriggered && !updatesAllowed; } _sync() { let open = this.state == ModalDialog.State.OPENING || this.state == ModalDialog.State.OPENED; if (!open) return; let dialogContent = DialogContent[this._type]; let subject = dialogContent.subject; // Use different title when we are installing updates if (dialogContent.subjectWithUpdates && this._checkBox.checked) subject = dialogContent.subjectWithUpdates; this._batteryWarning.visible = this._shouldShowLowBatteryWarning(dialogContent); let description; let displayTime = _roundSecondsToInterval(this._totalSecondsToStayOpen, this._secondsLeft, 10); if (this._user.is_loaded) { let realName = this._user.get_real_name(); if (realName != null) { if (dialogContent.subjectWithUser) subject = dialogContent.subjectWithUser.format(realName); if (dialogContent.descriptionWithUser) description = dialogContent.descriptionWithUser(realName, displayTime); } } // Use a different description when we are installing a system upgrade // if the PackageKit proxy is available (i.e. PackageKit is available). if (dialogContent.upgradeDescription) { const { name, version } = this._updateInfo.PreparedUpgrade; if (name != null && version != null) description = dialogContent.upgradeDescription(name, version); } // Fall back to regular description if (!description) description = dialogContent.description(displayTime); this._messageDialogContent.title = subject; this._messageDialogContent.description = description; let hasApplications = this._applications.length > 0; let hasSessions = this._sessions.length > 0; this._applicationSection.visible = hasApplications; this._sessionSection.visible = hasSessions; } _onCapturedEvent(actor, event) { let altEnabled = false; let type = event.type(); if (type !== Clutter.EventType.KEY_PRESS && type !== Clutter.EventType.KEY_RELEASE) return Clutter.EVENT_PROPAGATE; let key = event.get_key_symbol(); if (key !== Clutter.KEY_Alt_L && key !== Clutter.KEY_Alt_R) return Clutter.EVENT_PROPAGATE; if (type === Clutter.EventType.KEY_PRESS) altEnabled = true; this._rebootButton.visible = !altEnabled; this._rebootButtonAlt.visible = altEnabled; return Clutter.EVENT_PROPAGATE; } _updateButtons() { this.clearButtons(); this.addButton({ action: this.cancel.bind(this), label: _("Cancel"), key: Clutter.KEY_Escape }); let dialogContent = DialogContent[this._type]; for (let i = 0; i < dialogContent.confirmButtons.length; i++) { let signal = dialogContent.confirmButtons[i].signal; let label = dialogContent.confirmButtons[i].label; let button = this.addButton({ action: () => { this.close(true); let signalId = this.connect('closed', () => { this.disconnect(signalId); this._confirm(signal); }); }, label, }); // Add Alt "Boot Options" option to the Reboot button if (this._canRebootToBootLoaderMenu && signal === 'ConfirmedReboot') { this._rebootButton = button; this._rebootButtonAlt = this.addButton({ action: () => { this.close(true); let signalId = this.connect('closed', () => { this.disconnect(signalId); this._confirmRebootToBootLoaderMenu(); }); }, label: C_('button', 'Boot Options'), }); this._rebootButtonAlt.visible = false; this._capturedEventId = global.stage.connect('captured-event', this._onCapturedEvent.bind(this)); } } } _stopAltCapture() { if (this._capturedEventId > 0) { global.stage.disconnect(this._capturedEventId); this._capturedEventId = 0; } this._rebootButton = null; this._rebootButtonAlt = null; } close(skipSignal) { super.close(); if (!skipSignal) this._dbusImpl.emit_signal('Closed', null); } cancel() { this._stopTimer(); this._stopAltCapture(); this._dbusImpl.emit_signal('Canceled', null); this.close(); } _confirmRebootToBootLoaderMenu() { this._loginManager.setRebootToBootLoaderMenu(); this._confirm('ConfirmedReboot'); } _confirm(signal) { let callback = () => { this._fadeOutDialog(); this._stopTimer(); this._stopAltCapture(); this._dbusImpl.emit_signal(signal, null); }; // Offline update not available; just emit the signal if (!this._checkBox.visible) { callback(); return; } // Trigger the offline update as requested if (this._checkBox.checked) { switch (signal) { case "ConfirmedReboot": this._triggerOfflineUpdateReboot(callback); break; case "ConfirmedShutdown": // To actually trigger the offline update, we need to // reboot to do the upgrade. When the upgrade is complete, // the computer will shut down automatically. signal = "ConfirmedReboot"; this._triggerOfflineUpdateShutdown(callback); break; default: callback(); break; } } else { this._triggerOfflineUpdateCancel(callback); } } _onOpened() { this._sync(); } _triggerOfflineUpdateReboot(callback) { // Handle this gracefully if PackageKit is not available. if (!this._pkOfflineProxy) { callback(); return; } this._pkOfflineProxy.TriggerRemote('reboot', (result, error) => { if (error) log(error.message); callback(); }); } _triggerOfflineUpdateShutdown(callback) { // Handle this gracefully if PackageKit is not available. if (!this._pkOfflineProxy) { callback(); return; } this._pkOfflineProxy.TriggerRemote('power-off', (result, error) => { if (error) log(error.message); callback(); }); } _triggerOfflineUpdateCancel(callback) { // Handle this gracefully if PackageKit is not available. if (!this._pkOfflineProxy) { callback(); return; } this._pkOfflineProxy.CancelRemote((result, error) => { if (error) log(error.message); callback(); }); } _startTimer() { let startTime = GLib.get_monotonic_time(); this._secondsLeft = this._totalSecondsToStayOpen; this._timerId = GLib.timeout_add_seconds(GLib.PRIORITY_DEFAULT, 1, () => { let currentTime = GLib.get_monotonic_time(); let secondsElapsed = (currentTime - startTime) / 1000000; this._secondsLeft = this._totalSecondsToStayOpen - secondsElapsed; if (this._secondsLeft > 0) { this._sync(); return GLib.SOURCE_CONTINUE; } let dialogContent = DialogContent[this._type]; let button = dialogContent.confirmButtons[dialogContent.confirmButtons.length - 1]; this._confirm(button.signal); this._timerId = 0; return GLib.SOURCE_REMOVE; }); GLib.Source.set_name_by_id(this._timerId, '[gnome-shell] this._confirm'); } _stopTimer() { if (this._timerId > 0) { GLib.source_remove(this._timerId); this._timerId = 0; } this._secondsLeft = 0; } _onInhibitorLoaded(inhibitor) { if (!this._applications.includes(inhibitor)) { // Stale inhibitor return; } let app = findAppFromInhibitor(inhibitor); const [flags] = app ? inhibitor.GetFlagsSync() : [0]; if (app && flags & GnomeSession.InhibitFlags.LOGOUT) { let [description] = inhibitor.GetReasonSync(); let listItem = new Dialog.ListSectionItem({ icon_actor: app.create_icon_texture(_ITEM_ICON_SIZE), title: app.get_name(), description, }); this._applicationSection.list.add_child(listItem); } else { // inhibiting app is a service (not an application) or is not // inhibiting logout/shutdown this._applications.splice(this._applications.indexOf(inhibitor), 1); } this._sync(); } _loadSessions() { this._loginManager.listSessions(result => { let n = 0; for (let i = 0; i < result.length; i++) { let [id_, uid_, userName, seat_, sessionPath] = result[i]; let proxy = new LogindSession(Gio.DBus.system, 'org.freedesktop.login1', sessionPath); if (proxy.Class != 'user') continue; if (proxy.State == 'closing') continue; let sessionId = GLib.getenv('XDG_SESSION_ID'); if (!sessionId) { this._loginManager.getCurrentSessionProxy(currentSessionProxy => { sessionId = currentSessionProxy.Id; log('endSessionDialog: No XDG_SESSION_ID, fetched from logind: %d'.format(sessionId)); }); } if (proxy.Id == sessionId) continue; let session = { user: this._userManager.get_user(userName), username: userName, type: proxy.Type, remote: proxy.Remote }; this._sessions.push(session); let userAvatar = new UserWidget.Avatar(session.user, { iconSize: _ITEM_ICON_SIZE }); userAvatar.update(); userName = session.user.get_real_name() ?? session.username; let userLabelText; if (session.remote) /* Translators: Remote here refers to a remote session, like a ssh login */ userLabelText = _('%s (remote)').format(userName); else if (session.type === 'tty') /* Translators: Console here refers to a tty like a VT console */ userLabelText = _('%s (console)').format(userName); else userLabelText = userName; let listItem = new Dialog.ListSectionItem({ icon_actor: userAvatar, title: userLabelText, }); this._sessionSection.list.add_child(listItem); // limit the number of entries n++; if (n == MAX_USERS_IN_SESSION_DIALOG) break; } this._sync(); }); } async _getUpdateInfo() { const connection = this._pkOfflineProxy.get_connection(); const reply = await connection.call( this._pkOfflineProxy.g_name, this._pkOfflineProxy.g_object_path, 'org.freedesktop.DBus.Properties', 'GetAll', new GLib.Variant('(s)', [this._pkOfflineProxy.g_interface_name]), null, Gio.DBusCallFlags.NONE, -1, null); const [info] = reply.recursiveUnpack(); return info; } async OpenAsync(parameters, invocation) { let [type, timestamp, totalSecondsToStayOpen, inhibitorObjectPaths] = parameters; this._totalSecondsToStayOpen = totalSecondsToStayOpen; this._type = type; try { this._updateInfo = await this._getUpdateInfo(); } catch (e) { if (this._pkOfflineProxy !== null) log('Failed to get update info from PackageKit: %s'.format(e.message)); this._updateInfo = { UpdateTriggered: false, UpdatePrepared: false, UpgradeTriggered: false, PreparedUpgrade: {}, }; } // Only consider updates and upgrades if PackageKit is available. if (this._pkOfflineProxy && this._type == DialogType.RESTART) { if (this._updateInfo.UpdateTriggered) this._type = DialogType.UPDATE_RESTART; else if (this._updateInfo.UpgradeTriggered) this._type = DialogType.UPGRADE_RESTART; } this._applications = []; this._applicationSection.list.destroy_all_children(); this._sessions = []; this._sessionSection.list.destroy_all_children(); if (!(this._type in DialogContent)) { invocation.return_dbus_error('org.gnome.Shell.ModalDialog.TypeError', "Unknown dialog type requested"); return; } let dialogContent = DialogContent[this._type]; for (let i = 0; i < inhibitorObjectPaths.length; i++) { let inhibitor = new GnomeSession.Inhibitor(inhibitorObjectPaths[i], proxy => { this._onInhibitorLoaded(proxy); }); this._applications.push(inhibitor); } if (dialogContent.showOtherSessions) this._loadSessions(); let updatesAllowed = this._updatesPermission && this._updatesPermission.allowed; _setCheckBoxLabel(this._checkBox, dialogContent.checkBoxText || ''); this._checkBox.visible = dialogContent.checkBoxText && this._updateInfo.UpdatePrepared && updatesAllowed; if (this._type === DialogType.UPGRADE_RESTART) this._checkBox.checked = this._checkBox.visible && this._updateInfo.UpdateTriggered && !this._isDischargingBattery(); else this._checkBox.checked = this._checkBox.visible && !this._isBatteryLow(); this._batteryWarning.visible = this._shouldShowLowBatteryWarning(dialogContent); this._updateButtons(); if (!this.open(timestamp)) { invocation.return_dbus_error('org.gnome.Shell.ModalDialog.GrabError', "Cannot grab pointer and keyboard"); return; } if (!dialogContent.disableTimer) this._startTimer(); this._sync(); let signalId = this.connect('opened', () => { invocation.return_value(null); this.disconnect(signalId); }); } Close(_parameters, _invocation) { this.close(); } });