gnome-shell/js/ui/endSessionDialog.js

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// -*- 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 Mainloop = imports.mainloop;
const { AccountsService, Clutter, Gio,
GLib, GObject, Pango, Polkit, Shell, St } = imports.gi;
const CheckBox = imports.ui.checkBox;
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 = 48;
const _DIALOG_ICON_SIZE = 48;
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") }],
iconStyleClass: 'end-session-dialog-logout-icon',
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: 'ConfirmedReboot',
label: C_("button", "Restart") },
{ signal: 'ConfirmedShutdown',
label: C_("button", "Power Off") }],
iconName: 'system-shutdown-symbolic',
iconStyleClass: 'end-session-dialog-shutdown-icon',
showOtherSessions: true,
};
const restartDialogContent = {
subject: C_("title", "Restart"),
description(seconds) {
return ngettext("The system will restart automatically in %d second.",
"The system will restart automatically in %d seconds.",
seconds).format(seconds);
},
showBatteryWarning: false,
confirmButtons: [{ signal: 'ConfirmedReboot',
label: C_("button", "Restart") }],
iconName: 'view-refresh-symbolic',
iconStyleClass: 'end-session-dialog-shutdown-icon',
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 &amp; Install") }],
unusedFutureButtonForTranslation: C_("button", "Install &amp; Power Off"),
unusedFutureCheckBoxForTranslation: C_("checkbox", "Power off after updates are installed"),
iconName: 'view-refresh-symbolic',
iconStyleClass: 'end-session-dialog-shutdown-icon',
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 &amp; Install") }],
iconName: 'view-refresh-symbolic',
iconStyleClass: 'end-session-dialog-shutdown-icon',
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');
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 _setLabelText(label, text) {
if (text) {
label.set_text(text);
label.show();
} else {
label.set_text('');
label.hide();
}
}
function _setCheckBoxLabel(checkBox, text) {
let label = checkBox.getLabelActor();
if (text) {
label.set_text(text);
checkBox.actor.show();
} else {
label.set_text('');
checkBox.actor.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._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',
(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.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));
let mainContentLayout = new St.BoxLayout({ vertical: false });
this.contentLayout.add(mainContentLayout,
{ x_fill: true,
y_fill: false });
this._iconBin = new St.Bin();
mainContentLayout.add(this._iconBin,
{ x_fill: true,
y_fill: false,
x_align: St.Align.END,
y_align: St.Align.START });
let messageLayout = new St.BoxLayout({ vertical: true,
style_class: 'end-session-dialog-layout' });
mainContentLayout.add(messageLayout,
{ y_align: St.Align.START });
this._subjectLabel = new St.Label({ style_class: 'end-session-dialog-subject' });
messageLayout.add(this._subjectLabel,
{ x_fill: false,
y_fill: false,
x_align: St.Align.START,
y_align: St.Align.START });
this._descriptionLabel = new St.Label({ style_class: 'end-session-dialog-description' });
this._descriptionLabel.clutter_text.ellipsize = Pango.EllipsizeMode.NONE;
this._descriptionLabel.clutter_text.line_wrap = true;
messageLayout.add(this._descriptionLabel,
{ y_fill: true,
y_align: St.Align.START });
this._checkBox = new CheckBox.CheckBox();
this._checkBox.actor.connect('clicked', this._sync.bind(this));
messageLayout.add(this._checkBox.actor);
this._batteryWarning = new St.Label({ style_class: 'end-session-dialog-warning',
text: _("Running on battery power: please plug in before installing updates.") });
this._batteryWarning.clutter_text.ellipsize = Pango.EllipsizeMode.NONE;
this._batteryWarning.clutter_text.line_wrap = true;
messageLayout.add(this._batteryWarning);
this._scrollView = new St.ScrollView({ style_class: 'end-session-dialog-list' });
this._scrollView.set_policy(St.PolicyType.NEVER, St.PolicyType.AUTOMATIC);
this.contentLayout.add(this._scrollView,
{ x_fill: true,
y_fill: true });
this._scrollView.hide();
this._inhibitorSection = new St.BoxLayout({ vertical: true,
style_class: 'end-session-dialog-inhibitor-layout' });
this._scrollView.add_actor(this._inhibitorSection);
this._applicationHeader = new St.Label({ style_class: 'end-session-dialog-list-header',
text: _("Some applications are busy or have unsaved work.") });
this._applicationList = new St.BoxLayout({ style_class: 'end-session-dialog-app-list',
vertical: true });
this._inhibitorSection.add_actor(this._applicationHeader);
this._inhibitorSection.add_actor(this._applicationList);
this._sessionHeader = new St.Label({ style_class: 'end-session-dialog-list-header',
text: _("Other users are logged in.") });
this._sessionList = new St.BoxLayout({ style_class: 'end-session-dialog-session-list',
vertical: true });
this._inhibitorSection.add_actor(this._sessionHeader);
this._inhibitorSection.add_actor(this._sessionList);
this._dbusImpl = Gio.DBusExportedObject.wrapJSObject(EndSessionDialogIface, this);
this._dbusImpl.export(Gio.DBus.session, '/org/gnome/SessionManager/EndSessionDialog');
}
_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 = Polkit.Permission.new_sync(
'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);
}
_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.actor.checked)
subject = dialogContent.subjectWithUpdates;
if (dialogContent.showBatteryWarning) {
// Warn when running on battery power
if (this._powerProxy.OnBattery && this._checkBox.actor.checked)
this._batteryWarning.opacity = 255;
else
this._batteryWarning.opacity = 0;
}
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 (this._pkOfflineProxy && dialogContent.upgradeDescription) {
let name = this._pkOfflineProxy.PreparedUpgrade['name'].deep_unpack();
let version = this._pkOfflineProxy.PreparedUpgrade['version'].deep_unpack();
if (name != null && version != null)
description = dialogContent.upgradeDescription(name, version);
}
// Fall back to regular description
if (!description)
description = dialogContent.description(displayTime);
_setLabelText(this._descriptionLabel, description);
_setLabelText(this._subjectLabel, subject);
if (dialogContent.iconName) {
this._iconBin.child = new St.Icon({ icon_name: dialogContent.iconName,
icon_size: _DIALOG_ICON_SIZE,
style_class: dialogContent.iconStyleClass });
} else {
let avatarWidget = new UserWidget.Avatar(this._user,
{ iconSize: _DIALOG_ICON_SIZE,
styleClass: dialogContent.iconStyleClass });
this._iconBin.child = avatarWidget.actor;
avatarWidget.update();
}
let hasApplications = this._applications.length > 0;
let hasSessions = this._sessions.length > 0;
this._scrollView.visible = hasApplications || hasSessions;
this._applicationHeader.visible = hasApplications;
this._sessionHeader.visible = hasSessions;
}
_updateButtons() {
let dialogContent = DialogContent[this._type];
let buttons = [{ action: this.cancel.bind(this),
label: _("Cancel"),
key: Clutter.Escape }];
for (let i = 0; i < dialogContent.confirmButtons.length; i++) {
let signal = dialogContent.confirmButtons[i].signal;
let label = dialogContent.confirmButtons[i].label;
buttons.push({ action: () => {
this.close(true);
let signalId = this.connect('closed', () => {
this.disconnect(signalId);
this._confirm(signal);
});
},
label: label });
}
this.setButtons(buttons);
}
close(skipSignal) {
super.close();
if (!skipSignal)
this._dbusImpl.emit_signal('Closed', null);
}
cancel() {
this._stopTimer();
this._dbusImpl.emit_signal('Canceled', null);
this.close();
}
_confirm(signal) {
let callback = () => {
this._fadeOutDialog();
this._stopTimer();
this._dbusImpl.emit_signal(signal, null);
};
// Offline update not available; just emit the signal
if (!this._checkBox.actor.visible) {
callback();
return;
}
// Trigger the offline update as requested
if (this._checkBox.actor.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 = Mainloop.timeout_add_seconds(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) {
Mainloop.source_remove(this._timerId);
this._timerId = 0;
}
this._secondsLeft = 0;
}
_constructListItemForApp(inhibitor, app) {
let actor = new St.BoxLayout({ style_class: 'end-session-dialog-app-list-item',
can_focus: true });
actor.add(app.create_icon_texture(_ITEM_ICON_SIZE));
let textLayout = new St.BoxLayout({ vertical: true,
y_expand: true,
y_align: Clutter.ActorAlign.CENTER });
actor.add(textLayout);
let nameLabel = new St.Label({ text: app.get_name(),
style_class: 'end-session-dialog-app-list-item-name' });
textLayout.add(nameLabel);
actor.label_actor = nameLabel;
let [reason] = inhibitor.GetReasonSync();
if (reason) {
let reasonLabel = new St.Label({ text: reason,
style_class: 'end-session-dialog-app-list-item-description' });
textLayout.add(reasonLabel);
}
return actor;
}
_onInhibitorLoaded(inhibitor) {
if (!this._applications.includes(inhibitor)) {
// Stale inhibitor
return;
}
let app = findAppFromInhibitor(inhibitor);
if (app) {
let actor = this._constructListItemForApp(inhibitor, app);
this._applicationList.add(actor);
} else {
// inhibiting app is a service, not an application
this._applications.splice(this._applications.indexOf(inhibitor), 1);
}
this._sync();
}
_constructListItemForSession(session) {
let avatar = new UserWidget.Avatar(session.user, { iconSize: _ITEM_ICON_SIZE });
avatar.update();
let userName = session.user.get_real_name() ? 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 actor = new St.BoxLayout({ style_class: 'end-session-dialog-session-list-item',
can_focus: true });
actor.add(avatar.actor);
let nameLabel = new St.Label({ text: userLabelText,
style_class: 'end-session-dialog-session-list-item-name',
y_expand: true,
y_align: Clutter.ActorAlign.CENTER });
actor.add(nameLabel);
actor.label_actor = nameLabel;
return actor;
}
_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: ${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 actor = this._constructListItemForSession(session);
this._sessionList.add(actor);
// limit the number of entries
n++;
if (n == MAX_USERS_IN_SESSION_DIALOG)
break;
}
this._sync();
});
}
OpenAsync(parameters, invocation) {
let [type, timestamp, totalSecondsToStayOpen, inhibitorObjectPaths] = parameters;
this._totalSecondsToStayOpen = totalSecondsToStayOpen;
this._type = type;
// Only consider updates and upgrades if PackageKit is available.
if (this._pkOfflineProxy && this._type == DialogType.RESTART) {
if (this._pkOfflineProxy.UpdateTriggered)
this._type = DialogType.UPDATE_RESTART;
else if (this._pkOfflineProxy.UpgradeTriggered)
this._type = DialogType.UPGRADE_RESTART;
}
this._applications = [];
this._applicationList.destroy_all_children();
this._sessions = [];
this._sessionList.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();
// Only consider updates and upgrades if PackageKit is available.
let updateTriggered = this._pkOfflineProxy ? this._pkOfflineProxy.UpdateTriggered : false;
let updatePrepared = this._pkOfflineProxy ? this._pkOfflineProxy.UpdatePrepared : false;
let updatesAllowed = this._updatesPermission && this._updatesPermission.allowed;
_setCheckBoxLabel(this._checkBox, dialogContent.checkBoxText || '');
this._checkBox.actor.visible = (dialogContent.checkBoxText && updatePrepared && updatesAllowed);
this._checkBox.actor.checked = (updatePrepared && updateTriggered);
// We show the warning either together with the checkbox, or when
// updates have already been triggered, but the user doesn't have
// enough permissions to cancel them.
this._batteryWarning.visible = (dialogContent.showBatteryWarning &&
(this._checkBox.actor.visible || updatePrepared && updateTriggered && !updatesAllowed));
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();
}
});