gnome-shell/js/gdm/loginDialog.js
Bastien Nocera cd2bd7685a js: Name all the timeouts and idles
With very uninventive names. Names now, good names later.

https://bugzilla.gnome.org/show_bug.cgi?id=727983
2014-04-10 21:08:16 +02:00

956 lines
36 KiB
JavaScript

// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
/*
* Copyright 2011 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 = imports.gi.AccountsService;
const Atk = imports.gi.Atk;
const Clutter = imports.gi.Clutter;
const Gdm = imports.gi.Gdm;
const Gio = imports.gi.Gio;
const GLib = imports.gi.GLib;
const Gtk = imports.gi.Gtk;
const Lang = imports.lang;
const Mainloop = imports.mainloop;
const Meta = imports.gi.Meta;
const Shell = imports.gi.Shell;
const Signals = imports.signals;
const St = imports.gi.St;
const AuthPrompt = imports.gdm.authPrompt;
const Batch = imports.gdm.batch;
const BoxPointer = imports.ui.boxpointer;
const CtrlAltTab = imports.ui.ctrlAltTab;
const GdmUtil = imports.gdm.util;
const Layout = imports.ui.layout;
const LoginManager = imports.misc.loginManager;
const Main = imports.ui.main;
const PopupMenu = imports.ui.popupMenu;
const Realmd = imports.gdm.realmd;
const Tweener = imports.ui.tweener;
const UserWidget = imports.ui.userWidget;
const _FADE_ANIMATION_TIME = 0.25;
const _SCROLL_ANIMATION_TIME = 0.5;
const _TIMED_LOGIN_IDLE_THRESHOLD = 5.0;
const _LOGO_ICON_HEIGHT = 48;
let _loginDialog = null;
const UserListItem = new Lang.Class({
Name: 'UserListItem',
_init: function(user) {
this.user = user;
this._userChangedId = this.user.connect('changed',
Lang.bind(this, this._onUserChanged));
let layout = new St.BoxLayout({ vertical: true });
this.actor = new St.Button({ style_class: 'login-dialog-user-list-item',
button_mask: St.ButtonMask.ONE | St.ButtonMask.THREE,
can_focus: true,
child: layout,
reactive: true,
x_align: St.Align.START,
x_fill: true });
this._userWidget = new UserWidget.UserWidget(this.user);
layout.add(this._userWidget.actor);
this._timedLoginIndicator = new St.Bin({ style_class: 'login-dialog-timed-login-indicator',
scale_x: 0 });
layout.add(this._timedLoginIndicator);
this.actor.connect('clicked', Lang.bind(this, this._onClicked));
this._onUserChanged();
},
_onUserChanged: function() {
this._updateLoggedIn();
},
_updateLoggedIn: function() {
if (this.user.is_logged_in())
this.actor.add_style_pseudo_class('logged-in');
else
this.actor.remove_style_pseudo_class('logged-in');
},
_onClicked: function() {
this.emit('activate');
},
showTimedLoginIndicator: function(time) {
let hold = new Batch.Hold();
this.hideTimedLoginIndicator();
Tweener.addTween(this._timedLoginIndicator,
{ scale_x: 1.,
time: time,
transition: 'linear',
onComplete: function() {
hold.release();
},
onCompleteScope: this
});
return hold;
},
hideTimedLoginIndicator: function() {
Tweener.removeTweens(this._timedLoginIndicator);
this._timedLoginIndicator.scale_x = 0.;
}
});
Signals.addSignalMethods(UserListItem.prototype);
const UserList = new Lang.Class({
Name: 'UserList',
_init: function() {
this.actor = new St.ScrollView({ style_class: 'login-dialog-user-list-view'});
this.actor.set_policy(Gtk.PolicyType.NEVER,
Gtk.PolicyType.AUTOMATIC);
this._box = new St.BoxLayout({ vertical: true,
style_class: 'login-dialog-user-list',
pseudo_class: 'expanded' });
this.actor.add_actor(this._box);
this._items = {};
this.actor.connect('key-focus-in', Lang.bind(this, this._moveFocusToItems));
},
_moveFocusToItems: function() {
let hasItems = Object.keys(this._items).length > 0;
if (!hasItems)
return;
if (global.stage.get_key_focus() != this.actor)
return;
let focusSet = this.actor.navigate_focus(null, Gtk.DirectionType.TAB_FORWARD, false);
if (!focusSet) {
Meta.later_add(Meta.LaterType.BEFORE_REDRAW, Lang.bind(this, function() {
this._moveFocusToItems();
return false;
}));
}
},
_onItemActivated: function(activatedItem) {
this.emit('activate', activatedItem);
},
updateStyle: function(isExpanded) {
let tasks = [];
if (isExpanded)
this._box.add_style_pseudo_class('expanded');
else
this._box.remove_style_pseudo_class('expanded');
for (let userName in this._items) {
let item = this._items[userName];
item.actor.sync_hover();
}
},
scrollToItem: function(item) {
let box = item.actor.get_allocation_box();
let adjustment = this.actor.get_vscroll_bar().get_adjustment();
let value = (box.y1 + adjustment.step_increment / 2.0) - (adjustment.page_size / 2.0);
Tweener.removeTweens(adjustment);
Tweener.addTween (adjustment,
{ value: value,
time: _SCROLL_ANIMATION_TIME,
transition: 'easeOutQuad' });
},
jumpToItem: function(item) {
let box = item.actor.get_allocation_box();
let adjustment = this.actor.get_vscroll_bar().get_adjustment();
let value = (box.y1 + adjustment.step_increment / 2.0) - (adjustment.page_size / 2.0);
adjustment.set_value(value);
},
getItemFromUserName: function(userName) {
let item = this._items[userName];
if (!item)
return null;
return item;
},
addUser: function(user) {
if (!user.is_loaded)
return;
if (user.is_system_account())
return;
if (user.locked)
return;
let userName = user.get_user_name();
if (!userName)
return;
this.removeUser(user);
let item = new UserListItem(user);
this._box.add(item.actor, { x_fill: true });
this._items[userName] = item;
item.connect('activate',
Lang.bind(this, this._onItemActivated));
// Try to keep the focused item front-and-center
item.actor.connect('key-focus-in',
Lang.bind(this,
function() {
this.scrollToItem(item);
}));
this._moveFocusToItems();
this.emit('item-added', item);
},
removeUser: function(user) {
if (!user.is_loaded)
return;
let userName = user.get_user_name();
if (!userName)
return;
let item = this._items[userName];
if (!item)
return;
item.actor.destroy();
delete this._items[userName];
}
});
Signals.addSignalMethods(UserList.prototype);
const SessionMenuButton = new Lang.Class({
Name: 'SessionMenuButton',
_init: function() {
let gearIcon = new St.Icon({ icon_name: 'emblem-system-symbolic' });
this._button = new St.Button({ style_class: 'login-dialog-session-list-button',
reactive: true,
track_hover: true,
can_focus: true,
accessible_name: _("Choose Session"),
accessible_role: Atk.Role.MENU,
child: gearIcon });
this.actor = new St.Bin({ child: this._button });
this._menu = new PopupMenu.PopupMenu(this._button, 0, St.Side.TOP);
Main.uiGroup.add_actor(this._menu.actor);
this._menu.actor.hide();
this._menu.connect('open-state-changed',
Lang.bind(this, function(menu, isOpen) {
if (isOpen)
this._button.add_style_pseudo_class('active');
else
this._button.remove_style_pseudo_class('active');
}));
this._manager = new PopupMenu.PopupMenuManager({ actor: this._button });
this._manager.addMenu(this._menu);
this._button.connect('clicked', Lang.bind(this, function() {
this._menu.toggle();
}));
this._items = {};
this._activeSessionId = null;
this._populate();
},
updateSensitivity: function(sensitive) {
this._button.reactive = sensitive;
this._button.can_focus = sensitive;
this._menu.close(BoxPointer.PopupAnimation.NONE);
},
_updateOrnament: function() {
let itemIds = Object.keys(this._items);
for (let i = 0; i < itemIds.length; i++) {
if (itemIds[i] == this._activeSessionId)
this._items[itemIds[i]].setOrnament(PopupMenu.Ornament.DOT);
else
this._items[itemIds[i]].setOrnament(PopupMenu.Ornament.NONE);
}
},
setActiveSession: function(sessionId) {
if (sessionId == this._activeSessionId)
return;
this._activeSessionId = sessionId;
this._updateOrnament();
this.emit('session-activated', this._activeSessionId);
},
close: function() {
this._menu.close();
},
_populate: function() {
let ids = Gdm.get_session_ids();
ids.sort();
if (ids.length <= 1) {
this._button.hide();
return;
}
for (let i = 0; i < ids.length; i++) {
let [sessionName, sessionDescription] = Gdm.get_session_name_and_description(ids[i]);
let id = ids[i];
let item = new PopupMenu.PopupMenuItem(sessionName);
this._menu.addMenuItem(item);
this._items[id] = item;
if (!this._activeSessionId)
this.setActiveSession(id);
item.connect('activate', Lang.bind(this, function() {
this.setActiveSession(id);
}));
}
}
});
Signals.addSignalMethods(SessionMenuButton.prototype);
const LoginDialog = new Lang.Class({
Name: 'LoginDialog',
_init: function(parentActor) {
this.actor = new St.Widget({ accessible_role: Atk.Role.WINDOW,
layout_manager: new Clutter.BinLayout(),
style_class: 'login-dialog',
visible: false });
this.actor.add_constraint(new Layout.MonitorConstraint({ primary: true }));
this.actor.connect('destroy', Lang.bind(this, this._onDestroy));
parentActor.add_child(this.actor);
this._userManager = AccountsService.UserManager.get_default()
let gdmClient = new Gdm.Client();
if (GLib.getenv('GDM_GREETER_TEST') != '1') {
this._greeter = gdmClient.get_greeter_sync(null);
this._greeter.connect('default-session-name-changed',
Lang.bind(this, this._onDefaultSessionChanged));
this._greeter.connect('session-opened',
Lang.bind(this, this._onSessionOpened));
this._greeter.connect('timed-login-requested',
Lang.bind(this, this._onTimedLoginRequested));
}
this._settings = new Gio.Settings({ schema: GdmUtil.LOGIN_SCREEN_SCHEMA });
this._settings.connect('changed::' + GdmUtil.BANNER_MESSAGE_KEY,
Lang.bind(this, this._updateBanner));
this._settings.connect('changed::' + GdmUtil.BANNER_MESSAGE_TEXT_KEY,
Lang.bind(this, this._updateBanner));
this._settings.connect('changed::' + GdmUtil.DISABLE_USER_LIST_KEY,
Lang.bind(this, this._updateDisableUserList));
this._settings.connect('changed::' + GdmUtil.LOGO_KEY,
Lang.bind(this, this._updateLogo));
this._textureCache = St.TextureCache.get_default();
this._textureCache.connect('texture-file-changed',
Lang.bind(this, this._updateLogoTexture));
this._userSelectionBox = new St.BoxLayout({ style_class: 'login-dialog-user-selection-box',
x_align: Clutter.ActorAlign.CENTER,
y_align: Clutter.ActorAlign.CENTER,
x_expand: true,
y_expand: true,
vertical: true,
visible: false });
this.actor.add_child(this._userSelectionBox);
this._bannerLabel = new St.Label({ style_class: 'login-dialog-banner',
text: '' });
this._userSelectionBox.add(this._bannerLabel);
this._updateBanner();
this._userList = new UserList();
this._userSelectionBox.add(this._userList.actor,
{ expand: true,
x_fill: true,
y_fill: true });
this._authPrompt = new AuthPrompt.AuthPrompt(gdmClient, AuthPrompt.AuthPromptMode.UNLOCK_OR_LOG_IN);
this._authPrompt.connect('prompted', Lang.bind(this, this._onPrompted));
this._authPrompt.connect('reset', Lang.bind(this, this._onReset));
this._authPrompt.hide();
this.actor.add_child(this._authPrompt.actor);
// translators: this message is shown below the user list on the
// login screen. It can be activated to reveal an entry for
// manually entering the username.
let notListedLabel = new St.Label({ text: _("Not listed?"),
style_class: 'login-dialog-not-listed-label' });
this._notListedButton = new St.Button({ style_class: 'login-dialog-not-listed-button',
button_mask: St.ButtonMask.ONE | St.ButtonMask.THREE,
can_focus: true,
child: notListedLabel,
reactive: true,
x_align: St.Align.START,
x_fill: true });
this._notListedButton.connect('clicked', Lang.bind(this, this._hideUserListAskForUsernameAndBeginVerification));
this._notListedButton.hide();
this._userSelectionBox.add(this._notListedButton,
{ expand: false,
x_align: St.Align.START,
x_fill: true });
this._logoBin = new St.Widget({ style_class: 'login-dialog-logo-bin',
x_align: Clutter.ActorAlign.CENTER,
y_align: Clutter.ActorAlign.END,
x_expand: true,
y_expand: true });
this.actor.add_child(this._logoBin);
this._updateLogo();
this._userList.connect('activate',
Lang.bind(this, function(userList, item) {
this._onUserListActivated(item);
}));
this._sessionMenuButton = new SessionMenuButton();
this._sessionMenuButton.connect('session-activated',
Lang.bind(this, function(list, sessionId) {
this._greeter.call_select_session_sync (sessionId, null);
}));
this._sessionMenuButton.actor.opacity = 0;
this._sessionMenuButton.actor.show();
this._authPrompt.addActorToDefaultButtonWell(this._sessionMenuButton.actor);
this._disableUserList = undefined;
this._userListLoaded = false;
LoginManager.getLoginManager().getCurrentSessionProxy(Lang.bind(this, this._gotGreeterSessionProxy));
// If the user list is enabled, it should take key focus; make sure the
// screen shield is initialized first to prevent it from stealing the
// focus later
Main.layoutManager.connect('startup-complete',
Lang.bind(this, this._updateDisableUserList));
},
_ensureUserListLoaded: function() {
if (!this._userManager.is_loaded) {
this._userManagerLoadedId = this._userManager.connect('notify::is-loaded',
Lang.bind(this, function() {
if (this._userManager.is_loaded) {
this._loadUserList();
this._userManager.disconnect(this._userManagerLoadedId);
this._userManagerLoadedId = 0;
}
}));
} else {
let id = GLib.idle_add(GLib.PRIORITY_DEFAULT, Lang.bind(this, this._loadUserList));
GLib.Source.set_name_by_id(id, '[gnome-shell] _loadUserList');
}
},
_updateDisableUserList: function() {
let disableUserList = this._settings.get_boolean(GdmUtil.DISABLE_USER_LIST_KEY);
if (disableUserList != this._disableUserList) {
this._disableUserList = disableUserList;
if (this._authPrompt.verificationStatus == AuthPrompt.AuthPromptStatus.NOT_VERIFYING)
this._authPrompt.reset();
}
},
_updateCancelButton: function() {
let cancelVisible;
// Hide the cancel button if the user list is disabled and we're asking for
// a username
if (this._authPrompt.verificationStatus == AuthPrompt.AuthPromptStatus.NOT_VERIFYING && this._disableUserList)
cancelVisible = false;
else
cancelVisible = true;
this._authPrompt.cancelButton.visible = cancelVisible;
},
_updateBanner: function() {
let enabled = this._settings.get_boolean(GdmUtil.BANNER_MESSAGE_KEY);
let text = this._settings.get_string(GdmUtil.BANNER_MESSAGE_TEXT_KEY);
if (enabled && text) {
this._bannerLabel.set_text(text);
this._bannerLabel.show();
} else {
this._bannerLabel.hide();
}
},
_updateLogoTexture: function(cache, uri) {
if (this._logoFileUri != uri)
return;
this._logoBin.destroy_all_children();
if (this._logoFileUri) {
let scaleFactor = St.ThemeContext.get_for_stage(global.stage).scale_factor;
this._logoBin.add_child(this._textureCache.load_uri_async(this._logoFileUri,
-1, _LOGO_ICON_HEIGHT,
scaleFactor));
}
},
_updateLogo: function() {
let path = this._settings.get_string(GdmUtil.LOGO_KEY);
this._logoFileUri = path ? Gio.file_new_for_path(path).get_uri() : null;
this._updateLogoTexture(this._textureCache, this._logoFileUri);
},
_onPrompted: function() {
this._sessionMenuButton.updateSensitivity(true);
if (this._shouldShowSessionMenuButton())
this._authPrompt.setActorInDefaultButtonWell(this._sessionMenuButton.actor);
this._showPrompt();
},
_onReset: function(authPrompt, beginRequest) {
this._sessionMenuButton.updateSensitivity(true);
this._user = null;
if (beginRequest == AuthPrompt.BeginRequestType.PROVIDE_USERNAME) {
if (!this._disableUserList)
this._showUserList();
else
this._hideUserListAskForUsernameAndBeginVerification();
} else {
this._hideUserListAndBeginVerification();
}
},
_onDefaultSessionChanged: function(client, sessionId) {
this._sessionMenuButton.setActiveSession(sessionId);
},
_shouldShowSessionMenuButton: function() {
if (this._authPrompt.verificationStatus != AuthPrompt.AuthPromptStatus.VERIFYING &&
this._authPrompt.verificationStatus != AuthPrompt.AuthPromptStatus.VERIFICATION_FAILED)
return false;
if (this._user && this._user.is_loaded && this._user.is_logged_in())
return false;
return true;
},
_showPrompt: function() {
if (this._authPrompt.actor.visible)
return;
this._authPrompt.actor.opacity = 0;
this._authPrompt.actor.show();
Tweener.addTween(this._authPrompt.actor,
{ opacity: 255,
time: _FADE_ANIMATION_TIME,
transition: 'easeOutQuad' });
},
_showRealmLoginHint: function(realmManager, hint) {
if (!hint)
return;
hint = hint.replace(/%U/g, 'user');
hint = hint.replace(/%D/g, 'DOMAIN');
hint = hint.replace(/%[^UD]/g, '');
// Translators: this message is shown below the username entry field
// to clue the user in on how to login to the local network realm
this._authPrompt.setMessage(_("(e.g., user or %s)").format(hint), GdmUtil.MessageType.HINT);
},
_askForUsernameAndBeginVerification: function() {
this._authPrompt.setPasswordChar('');
this._authPrompt.setQuestion(_("Username: "));
let realmManager = new Realmd.Manager();
let realmSignalId = realmManager.connect('login-format-changed',
Lang.bind(this, this._showRealmLoginHint));
this._showRealmLoginHint(realmManager.loginFormat);
let nextSignalId = this._authPrompt.connect('next',
Lang.bind(this, function() {
this._authPrompt.disconnect(nextSignalId);
this._authPrompt.updateSensitivity(false);
let answer = this._authPrompt.getAnswer();
this._user = this._userManager.get_user(answer);
this._authPrompt.clear();
this._authPrompt.startSpinning();
this._authPrompt.begin({ userName: answer });
this._updateCancelButton();
realmManager.disconnect(realmSignalId)
realmManager.release();
}));
this._updateCancelButton();
this._showPrompt();
},
_loginScreenSessionActivated: function() {
if (this._authPrompt.verificationStatus != AuthPrompt.AuthPromptStatus.VERIFICATION_SUCCEEDED)
return;
Tweener.addTween(this.actor,
{ opacity: 255,
time: _FADE_ANIMATION_TIME,
transition: 'easeOutQuad',
onUpdate: function() {
let children = Main.layoutManager.uiGroup.get_children();
for (let i = 0; i < children.length; i++) {
if (children[i] != Main.layoutManager.screenShieldGroup)
children[i].opacity = this.actor.opacity;
}
},
onUpdateScope: this,
onComplete: function() {
this._authPrompt.reset();
},
onCompleteScope: this });
},
_gotGreeterSessionProxy: function(proxy) {
proxy.connect('g-properties-changed', Lang.bind(this, function() {
if (proxy.Active)
this._loginScreenSessionActivated();
}));
},
_startSession: function(serviceName) {
Tweener.addTween(this.actor,
{ opacity: 0,
time: _FADE_ANIMATION_TIME,
transition: 'easeOutQuad',
onUpdate: function() {
let children = Main.layoutManager.uiGroup.get_children();
for (let i = 0; i < children.length; i++) {
if (children[i] != Main.layoutManager.screenShieldGroup)
children[i].opacity = this.actor.opacity;
}
},
onUpdateScope: this,
onComplete: function() {
let id = Mainloop.idle_add(Lang.bind(this, function() {
this._greeter.call_start_session_when_ready_sync(serviceName, true, null);
return GLib.SOURCE_REMOVE;
}));
GLib.Source.set_name_by_id(id, '[gnome-shell] this._greeter.call_start_session_when_ready_sync');
},
onCompleteScope: this });
},
_onSessionOpened: function(client, serviceName) {
this._authPrompt.finish(Lang.bind(this, function() {
this._startSession(serviceName);
}));
},
_waitForItemForUser: function(userName) {
let item = this._userList.getItemFromUserName(userName);
if (item)
return null;
let hold = new Batch.Hold();
let signalId = this._userList.connect('item-added',
Lang.bind(this, function() {
let item = this._userList.getItemFromUserName(userName);
if (item)
hold.release();
}));
hold.connect('release', Lang.bind(this, function() {
this._userList.disconnect(signalId);
}));
return hold;
},
_showTimedLoginAnimation: function() {
this._timedLoginItem.actor.grab_key_focus();
return this._timedLoginItem.showTimedLoginIndicator(this._timedLoginAnimationTime);
},
_blockTimedLoginUntilIdle: function() {
// This blocks timed login from starting until a few
// seconds after the user stops interacting with the
// login screen.
//
// We skip this step if the timed login delay is very
// short.
if ((this._timedLoginDelay - _TIMED_LOGIN_IDLE_THRESHOLD) <= 0)
return null;
let hold = new Batch.Hold();
this._timedLoginIdleTimeOutId = Mainloop.timeout_add_seconds(_TIMED_LOGIN_IDLE_THRESHOLD,
function() {
this._timedLoginAnimationTime -= _TIMED_LOGIN_IDLE_THRESHOLD;
hold.release();
return GLib.SOURCE_REMOVE;
});
GLib.Source.set_name_by_id(this._timedLoginIdleTimeOutId, '[gnome-shell] this._timedLoginAnimationTime');
return hold;
},
_startTimedLogin: function(userName, delay) {
this._timedLoginItem = null;
this._timedLoginDelay = delay;
this._timedLoginAnimationTime = delay;
let tasks = [function() {
return this._waitForItemForUser(userName);
},
function() {
this._timedLoginItem = this._userList.getItemFromUserName(userName);
},
function() {
// If we're just starting out, start on the right
// item.
if (!this._userManager.is_loaded) {
this._userList.jumpToItem(this._timedLoginItem);
}
},
this._blockTimedLoginUntilIdle,
function() {
this._userList.scrollToItem(this._timedLoginItem);
},
this._showTimedLoginAnimation,
function() {
this._timedLoginBatch = null;
this._greeter.call_begin_auto_login_sync(userName, null);
}];
this._timedLoginBatch = new Batch.ConsecutiveBatch(this, tasks);
return this._timedLoginBatch.run();
},
_resetTimedLogin: function() {
if (this._timedLoginBatch) {
this._timedLoginBatch.cancel();
this._timedLoginBatch = null;
}
if (this._timedLoginItem)
this._timedLoginItem.hideTimedLoginIndicator();
let userName = this._timedLoginItem.user.get_user_name();
if (userName)
this._startTimedLogin(userName, this._timedLoginDelay);
},
_onTimedLoginRequested: function(client, userName, seconds) {
this._startTimedLogin(userName, seconds);
global.stage.connect('captured-event',
Lang.bind(this, function(actor, event) {
if (this._timedLoginDelay == undefined)
return Clutter.EVENT_PROPAGATE;
if (event.type() == Clutter.EventType.KEY_PRESS ||
event.type() == Clutter.EventType.BUTTON_PRESS) {
if (this._timedLoginBatch) {
this._timedLoginBatch.cancel();
this._timedLoginBatch = null;
}
} else if (event.type() == Clutter.EventType.KEY_RELEASE ||
event.type() == Clutter.EventType.BUTTON_RELEASE) {
this._resetTimedLogin();
}
return Clutter.EVENT_PROPAGATE;
}));
},
_setUserListExpanded: function(expanded) {
this._userList.updateStyle(expanded);
this._userSelectionBox.visible = expanded;
},
_hideUserList: function() {
this._setUserListExpanded(false);
if (this._userSelectionBox.visible)
GdmUtil.cloneAndFadeOutActor(this._userSelectionBox);
},
_hideUserListAskForUsernameAndBeginVerification: function() {
this._hideUserList();
this._askForUsernameAndBeginVerification();
},
_hideUserListAndBeginVerification: function() {
this._hideUserList();
this._authPrompt.begin();
},
_showUserList: function() {
this._ensureUserListLoaded();
this._authPrompt.hide();
this._sessionMenuButton.close();
this._setUserListExpanded(true);
this._notListedButton.show();
this._userList.actor.grab_key_focus();
},
_beginVerificationForItem: function(item) {
this._authPrompt.setUser(item.user);
let userName = item.user.get_user_name();
let hold = new Batch.Hold();
this._authPrompt.begin({ userName: userName,
hold: hold });
return hold;
},
_onUserListActivated: function(activatedItem) {
let tasks = [function() {
return GdmUtil.cloneAndFadeOutActor(this._userSelectionBox);
},
function() {
this._setUserListExpanded(false);
}];
this._user = activatedItem.user;
this._updateCancelButton();
let batch = new Batch.ConcurrentBatch(this, [new Batch.ConsecutiveBatch(this, tasks),
this._beginVerificationForItem(activatedItem)]);
batch.run();
},
_onDestroy: function() {
if (this._userManagerLoadedId) {
this._userManager.disconnect(this._userManagerLoadedId);
this._userManagerLoadedId = 0;
}
},
_loadUserList: function() {
if (this._userListLoaded)
return GLib.SOURCE_REMOVE;
this._userListLoaded = true;
let users = this._userManager.list_users();
for (let i = 0; i < users.length; i++) {
this._userList.addUser(users[i]);
}
this._userManager.connect('user-added',
Lang.bind(this, function(userManager, user) {
this._userList.addUser(user);
}));
this._userManager.connect('user-removed',
Lang.bind(this, function(userManager, user) {
this._userList.removeUser(user);
}));
return GLib.SOURCE_REMOVE;
},
open: function() {
Main.ctrlAltTabManager.addGroup(this.actor,
_("Login Window"),
'dialog-password-symbolic',
{ sortGroup: CtrlAltTab.SortGroup.MIDDLE });
this._userList.actor.grab_key_focus();
this.actor.show();
this.actor.opacity = 0;
Tweener.addTween(this.actor,
{ opacity: 255,
time: 1,
transition: 'easeInQuad' });
return true;
},
close: function() {
Main.ctrlAltTabManager.removeGroup(this.dialogLayout);
},
cancel: function() {
this._authPrompt.cancel();
},
addCharacter: function(unichar) {
this._authPrompt.addCharacter(unichar);
},
finish: function(onComplete) {
this._authPrompt.finish(onComplete);
},
});
Signals.addSignalMethods(LoginDialog.prototype);