de93677271
The screenshield requires gdm 3.5, which can be problematic in jhbuild configurations, or distributions that don't use GDM as the display manager. Allow transparent fallback to gnome-screensaver in that case. https://bugzilla.gnome.org/show_bug.cgi?id=683060
304 lines
11 KiB
JavaScript
304 lines
11 KiB
JavaScript
// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
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const AccountsService = imports.gi.AccountsService;
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const Clutter = imports.gi.Clutter;
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const Gdm = imports.gi.Gdm;
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const Gio = imports.gi.Gio;
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const GLib = imports.gi.GLib;
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const Gtk = imports.gi.Gtk;
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const Lang = imports.lang;
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const Signals = imports.signals;
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const Shell = imports.gi.Shell;
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const St = imports.gi.St;
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const Main = imports.ui.main;
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const ModalDialog = imports.ui.modalDialog;
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const ShellEntry = imports.ui.shellEntry;
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const Tweener = imports.ui.tweener;
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const UserMenu = imports.ui.userMenu;
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const Batch = imports.gdm.batch;
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const GdmUtil = imports.gdm.util;
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// The timeout before going back automatically to the lock screen (in seconds)
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const IDLE_TIMEOUT = 2 * 60;
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function versionCompare(required, reference) {
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required = required.split('.');
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reference = reference.split('.');
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for (let i = 0; i < required.length; i++) {
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if (required[i] != reference[i])
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return required[i] < reference[i];
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}
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return true;
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}
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function isSupported() {
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try {
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let params = GLib.Variant.new('(ss)', ['org.gnome.DisplayManager.Manager', 'Version']);
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let result = Gio.DBus.system.call_sync('org.gnome.DisplayManager',
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'/org/gnome/DisplayManager/Manager',
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'org.freedesktop.DBus.Properties',
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'Get', params, null,
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Gio.DBusCallFlags.NONE,
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-1, null);
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let version = result.deep_unpack()[0].deep_unpack();
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return versionCompare('3.5.91', version);
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} catch(e) {
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return false;
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}
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}
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// A widget showing the user avatar and name
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const UserWidget = new Lang.Class({
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Name: 'UserWidget',
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_init: function(user) {
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this._user = user;
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this.actor = new St.BoxLayout({ style_class: 'unlock-dialog-user-name-container',
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vertical: false });
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this._avatar = new UserMenu.UserAvatarWidget(user);
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this.actor.add(this._avatar.actor,
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{ x_fill: true, y_fill: true });
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this._label = new St.Label({ style_class: 'login-dialog-username' });
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this.actor.add(this._label,
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{ expand: true,
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x_fill: true,
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y_fill: false,
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y_align: St.Align.MIDDLE });
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this._userLoadedId = this._user.connect('notify::is-loaded',
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Lang.bind(this, this._updateUser));
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this._userChangedId = this._user.connect('changed',
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Lang.bind(this, this._updateUser));
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if (this._user.is_loaded)
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this._updateUser();
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},
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destroy: function() {
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if (this._userLoadedId != 0) {
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this._user.disconnect(this._userLoadedId);
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this._userLoadedId = 0;
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}
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if (this._userChangedId != 0) {
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this._user.disconnect(this._userChangedId);
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this._userChangedId = 0;
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}
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this.actor.destroy();
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},
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_updateUser: function() {
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if (this._user.is_loaded)
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this._label.text = this._user.get_real_name();
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else
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this._label.text = '';
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this._avatar.update();
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}
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});
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const UnlockDialog = new Lang.Class({
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Name: 'UnlockDialog',
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Extends: ModalDialog.ModalDialog,
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_init: function(parentActor) {
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this.parent({ shellReactive: true,
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styleClass: 'login-dialog',
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parentActor: parentActor
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});
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this._userManager = AccountsService.UserManager.get_default();
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this._userName = GLib.get_user_name();
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this._user = this._userManager.get_user(this._userName);
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this._failCounter = 0;
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this._firstQuestion = true;
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this._greeterClient = new Gdm.Client();
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this._userVerifier = new GdmUtil.ShellUserVerifier(this._greeterClient, { reauthenticationOnly: true });
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this._userVerifier.connect('ask-question', Lang.bind(this, this._onAskQuestion));
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this._userVerifier.connect('show-message', Lang.bind(this, this._showMessage));
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this._userVerifier.connect('verification-complete', Lang.bind(this, this._onVerificationComplete));
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this._userVerifier.connect('reset', Lang.bind(this, this._onReset));
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this._userVerifier.connect('show-login-hint', Lang.bind(this, this._showLoginHint));
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this._userVerifier.connect('hide-login-hint', Lang.bind(this, this._hideLoginHint));
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this._userWidget = new UserWidget(this._user);
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this.contentLayout.add_actor(this._userWidget.actor);
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this._promptLayout = new St.BoxLayout({ style_class: 'login-dialog-prompt-layout',
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vertical: true });
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this._promptLabel = new St.Label({ style_class: 'login-dialog-prompt-label' });
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this._promptLayout.add(this._promptLabel,
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{ x_align: St.Align.START });
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this._promptEntry = new St.Entry({ style_class: 'login-dialog-prompt-entry',
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can_focus: true });
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this._promptEntry.clutter_text.set_password_char('\u25cf');
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ShellEntry.addContextMenu(this._promptEntry, { isPassword: true });
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this.setInitialKeyFocus(this._promptEntry);
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this._promptEntry.clutter_text.connect('activate', Lang.bind(this, this._doUnlock));
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this._promptLayout.add(this._promptEntry,
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{ expand: true,
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x_fill: true });
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this.contentLayout.add_actor(this._promptLayout);
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this._promptMessage = new St.Label({ visible: false });
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this.contentLayout.add(this._promptMessage, { x_fill: true });
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this._promptLoginHint = new St.Label({ style_class: 'login-dialog-prompt-login-hint' });
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this._promptLoginHint.hide();
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this.contentLayout.add_actor(this._promptLoginHint);
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let cancelButton = { label: _("Cancel"),
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action: Lang.bind(this, this._escape),
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key: Clutter.KEY_Escape };
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this._okButton = { label: _("Unlock"),
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action: Lang.bind(this, this._doUnlock),
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default: true };
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this.setButtons([cancelButton, this._okButton]);
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this._updateOkButton(true);
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let otherUserLabel = new St.Label({ text: _("Log in as another user"),
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style_class: 'login-dialog-not-listed-label' });
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this._otherUserButton = new St.Button({ style_class: 'login-dialog-not-listed-button',
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can_focus: true,
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child: otherUserLabel,
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reactive: true,
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x_align: St.Align.START,
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x_fill: true });
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this._otherUserButton.connect('clicked', Lang.bind(this, this._otherUserClicked));
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this.dialogLayout.add(this._otherUserButton,
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{ x_align: St.Align.START,
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x_fill: false });
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let batch = new Batch.Hold();
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this._userVerifier.begin(this._userName, batch);
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GLib.idle_add(GLib.PRIORITY_DEFAULT, Lang.bind(this, function() {
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this.emit('loaded');
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return false;
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}));
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this._idleMonitor = Shell.IdleMonitor.get();
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// this dialog is only created after user activity (curtain drag or
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// escape key press), so the timeout will fire after IDLE_TIMEOUT seconds of inactivity
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this._idleWatchId = this._idleMonitor.add_watch(IDLE_TIMEOUT * 1000, Lang.bind(this, this._escape));
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},
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_updateOkButton: function(sensitive) {
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this._okButton.button.reactive = sensitive;
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this._okButton.button.can_focus = sensitive;
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},
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_showMessage: function(userVerifier, message, styleClass) {
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this._promptMessage.text = message;
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this._promptMessage.styleClass = styleClass;
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GdmUtil.fadeInActor(this._promptMessage);
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},
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_onAskQuestion: function(verifier, serviceName, question, passwordChar) {
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if (this._firstQuestion && this._firstQuestionAnswer) {
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this._userVerifier.answerQuery(serviceName, this._firstQuestionAnswer);
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this._firstQuestionAnswer = null;
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this._firstQuestion = false;
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return;
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}
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this._promptLabel.text = question;
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if (!this._firstQuestion)
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this._promptEntry.text = '';
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else
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this._firstQuestion = false;
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this._promptEntry.clutter_text.set_password_char(passwordChar);
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this._promptEntry.menu.isPassword = passwordChar != '';
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this._currentQuery = serviceName;
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this._updateOkButton(true);
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},
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_showLoginHint: function(verifier, message) {
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this._promptLoginHint.set_text(message)
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GdmUtil.fadeInActor(this._promptLoginHint);
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},
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_hideLoginHint: function() {
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GdmUtil.fadeOutActor(this._promptLoginHint);
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},
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_doUnlock: function() {
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if (this._firstQuestion) {
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// we haven't received a query yet, so stash the answer
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// and make ourself non-reactive
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// the actual reply to GDM will be sent as soon as asked
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this._firstQuestionAnswer = this._promptEntry.text;
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this._updateOkButton(false);
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return;
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}
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if (!this._currentQuery)
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return;
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let query = this._currentQuery;
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this._currentQuery = null;
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this._updateOkButton(false);
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this._userVerifier.answerQuery(query, this._promptEntry.text);
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},
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_onVerificationComplete: function() {
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this._userVerifier.clear();
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this.emit('unlocked');
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},
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_onReset: function() {
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this.emit('failed');
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},
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_escape: function() {
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this._userVerifier.cancel();
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this.emit('failed');
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},
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_otherUserClicked: function(button, event) {
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Gdm.goto_login_session_sync(null);
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this._userVerifier.cancel();
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this.emit('failed');
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},
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destroy: function() {
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this._userVerifier.clear();
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if (this._idleWatchId) {
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this._idleMonitor.remove_watch(this._idleWatchId);
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this._idleWatchId = 0;
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}
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this.parent();
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},
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cancel: function() {
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this._userVerifier.cancel(null);
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this.destroy();
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},
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});
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