gnome-shell/js/ui/unlockDialog.js

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// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
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 GnomeDesktop = imports.gi.GnomeDesktop;
const Gtk = imports.gi.Gtk;
const Lang = imports.lang;
const Signals = imports.signals;
const Shell = imports.gi.Shell;
const St = imports.gi.St;
const Main = imports.ui.main;
const ModalDialog = imports.ui.modalDialog;
const ShellEntry = imports.ui.shellEntry;
const Tweener = imports.ui.tweener;
const UserMenu = imports.ui.userMenu;
const Batch = imports.gdm.batch;
const GdmUtil = imports.gdm.util;
// The timeout before going back automatically to the lock screen (in seconds)
const IDLE_TIMEOUT = 2 * 60;
function versionCompare(required, reference) {
required = required.split('.');
reference = reference.split('.');
for (let i = 0; i < required.length; i++) {
if (required[i] != reference[i])
return required[i] < reference[i];
}
return true;
}
function isSupported() {
try {
let params = GLib.Variant.new('(ss)', ['org.gnome.DisplayManager.Manager', 'Version']);
let result = Gio.DBus.system.call_sync('org.gnome.DisplayManager',
'/org/gnome/DisplayManager/Manager',
'org.freedesktop.DBus.Properties',
'Get', params, null,
Gio.DBusCallFlags.NONE,
-1, null);
let version = result.deep_unpack()[0].deep_unpack();
return versionCompare('3.5.91', version);
} catch(e) {
return false;
}
}
// A widget showing the user avatar and name
const UserWidget = new Lang.Class({
Name: 'UserWidget',
_init: function(user) {
this._user = user;
this.actor = new St.BoxLayout({ style_class: 'unlock-dialog-user-name-container',
vertical: false });
this._avatar = new UserMenu.UserAvatarWidget(user);
this.actor.add(this._avatar.actor,
{ x_fill: true, y_fill: true });
this._label = new St.Label({ style_class: 'login-dialog-username' });
this.actor.add(this._label,
{ expand: true,
x_fill: true,
y_fill: false,
y_align: St.Align.MIDDLE });
this._userLoadedId = this._user.connect('notify::is-loaded',
Lang.bind(this, this._updateUser));
this._userChangedId = this._user.connect('changed',
Lang.bind(this, this._updateUser));
if (this._user.is_loaded)
this._updateUser();
},
destroy: function() {
if (this._userLoadedId != 0) {
this._user.disconnect(this._userLoadedId);
this._userLoadedId = 0;
}
if (this._userChangedId != 0) {
this._user.disconnect(this._userChangedId);
this._userChangedId = 0;
}
this.actor.destroy();
},
_updateUser: function() {
if (this._user.is_loaded)
this._label.text = this._user.get_real_name();
else
this._label.text = '';
this._avatar.update();
}
});
const UnlockDialog = new Lang.Class({
Name: 'UnlockDialog',
Extends: ModalDialog.ModalDialog,
_init: function(parentActor) {
this.parent({ shellReactive: true,
styleClass: 'login-dialog',
parentActor: parentActor
});
this._userManager = AccountsService.UserManager.get_default();
this._userName = GLib.get_user_name();
this._user = this._userManager.get_user(this._userName);
this._failCounter = 0;
this._firstQuestion = true;
this._greeterClient = new Gdm.Client();
this._userVerifier = new GdmUtil.ShellUserVerifier(this._greeterClient, { reauthenticationOnly: true });
this._userVerifier.connect('ask-question', Lang.bind(this, this._onAskQuestion));
this._userVerifier.connect('show-message', Lang.bind(this, this._showMessage));
this._userVerifier.connect('verification-complete', Lang.bind(this, this._onVerificationComplete));
this._userVerifier.connect('verification-failed', Lang.bind(this, this._onVerificationFailed));
this._userVerifier.connect('reset', Lang.bind(this, this._onReset));
this._userVerifier.connect('show-login-hint', Lang.bind(this, this._showLoginHint));
this._userVerifier.connect('hide-login-hint', Lang.bind(this, this._hideLoginHint));
this._userWidget = new UserWidget(this._user);
this.contentLayout.add_actor(this._userWidget.actor);
this._promptLayout = new St.BoxLayout({ style_class: 'login-dialog-prompt-layout',
vertical: true });
this._promptLabel = new St.Label({ style_class: 'login-dialog-prompt-label' });
this._promptLayout.add(this._promptLabel,
{ x_align: St.Align.START });
this._promptEntry = new St.Entry({ style_class: 'login-dialog-prompt-entry',
can_focus: true });
this._promptEntry.clutter_text.set_password_char('\u25cf');
ShellEntry.addContextMenu(this._promptEntry, { isPassword: true });
this.setInitialKeyFocus(this._promptEntry);
this._promptEntry.clutter_text.connect('activate', Lang.bind(this, this._doUnlock));
this._promptEntry.clutter_text.connect('text-changed', Lang.bind(this, function() {
this._updateOkButtonSensitivity(this._promptEntry.text.length > 0);
}));
this._promptLayout.add(this._promptEntry,
{ expand: true,
x_fill: true });
this.contentLayout.add_actor(this._promptLayout);
this._promptMessage = new St.Label({ visible: false });
this.contentLayout.add(this._promptMessage, { x_fill: true });
this._promptLoginHint = new St.Label({ style_class: 'login-dialog-prompt-login-hint' });
this._promptLoginHint.hide();
this.contentLayout.add_actor(this._promptLoginHint);
let cancelButton = { label: _("Cancel"),
action: Lang.bind(this, this._escape),
key: Clutter.KEY_Escape };
this._okButton = { label: _("Unlock"),
action: Lang.bind(this, this._doUnlock),
default: true };
this.setButtons([cancelButton, this._okButton]);
this._updateSensitivity(true);
let otherUserLabel = new St.Label({ text: _("Log in as another user"),
style_class: 'login-dialog-not-listed-label' });
this._otherUserButton = new St.Button({ style_class: 'login-dialog-not-listed-button',
can_focus: true,
child: otherUserLabel,
reactive: true,
x_align: St.Align.START,
x_fill: true });
this._otherUserButton.connect('clicked', Lang.bind(this, this._otherUserClicked));
this.dialogLayout.add(this._otherUserButton,
{ x_align: St.Align.START,
x_fill: false });
let batch = new Batch.Hold();
this._userVerifier.begin(this._userName, batch);
GLib.idle_add(GLib.PRIORITY_DEFAULT, Lang.bind(this, function() {
this.emit('loaded');
return false;
}));
this._idleMonitor = new GnomeDesktop.IdleMonitor();
this._idleWatchId = this._idleMonitor.add_watch(IDLE_TIMEOUT * 1000, Lang.bind(this, this._escape));
},
_updateSensitivity: function(sensitive) {
this._promptEntry.reactive = sensitive;
this._promptEntry.clutter_text.editable = sensitive;
this._updateOkButtonSensitivity(sensitive && this._promptEntry.text.length > 0);
},
_updateOkButtonSensitivity: function(sensitive) {
this._okButton.button.reactive = sensitive;
this._okButton.button.can_focus = sensitive;
},
_showMessage: function(userVerifier, message, styleClass) {
if (message) {
this._promptMessage.text = message;
this._promptMessage.styleClass = styleClass;
GdmUtil.fadeInActor(this._promptMessage);
} else {
GdmUtil.fadeOutActor(this._promptMessage);
}
},
_onAskQuestion: function(verifier, serviceName, question, passwordChar) {
if (this._firstQuestion && this._firstQuestionAnswer) {
this._userVerifier.answerQuery(serviceName, this._firstQuestionAnswer);
this._firstQuestionAnswer = null;
this._firstQuestion = false;
return;
}
this._promptLabel.text = question;
if (!this._firstQuestion)
this._promptEntry.text = '';
else
this._firstQuestion = false;
this._promptEntry.clutter_text.set_password_char(passwordChar);
this._promptEntry.menu.isPassword = passwordChar != '';
this._currentQuery = serviceName;
this._updateSensitivity(true);
},
_showLoginHint: function(verifier, message) {
this._promptLoginHint.set_text(message)
GdmUtil.fadeInActor(this._promptLoginHint);
},
_hideLoginHint: function() {
GdmUtil.fadeOutActor(this._promptLoginHint);
},
_doUnlock: function() {
if (this._firstQuestion) {
// we haven't received a query yet, so stash the answer
// and make ourself non-reactive
// the actual reply to GDM will be sent as soon as asked
this._firstQuestionAnswer = this._promptEntry.text;
this._updateSensitivity(false);
return;
}
if (!this._currentQuery)
return;
let query = this._currentQuery;
this._currentQuery = null;
this._updateSensitivity(false);
this._userVerifier.answerQuery(query, this._promptEntry.text);
},
_onVerificationComplete: function() {
this._userVerifier.clear();
this.emit('unlocked');
},
_onReset: function() {
this.emit('failed');
},
_onVerificationFailed: function() {
this._currentQuery = null;
this._firstQuestion = true;
this._promptEntry.text = '';
this._promptEntry.clutter_text.set_password_char('\u25cf');
this._promptEntry.menu.isPassword = true;
this._updateSensitivity(false);
},
_escape: function() {
this._userVerifier.cancel();
this.emit('failed');
},
_otherUserClicked: function(button, event) {
Gdm.goto_login_session_sync(null);
this._userVerifier.cancel();
this.emit('failed');
},
destroy: function() {
this._userVerifier.clear();
if (this._idleWatchId) {
this._idleMonitor.remove_watch(this._idleWatchId);
this._idleWatchId = 0;
}
this.parent();
},
cancel: function() {
this._userVerifier.cancel(null);
this.destroy();
},
});