1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
6 * @fileoverview Desktop User Chooser UI control bar implementation.
9 cr.define('login', function() {
11 * Creates a header bar element.
13 * @extends {HTMLDivElement}
15 var HeaderBar = cr.ui.define('div');
17 HeaderBar.prototype = {
18 __proto__: HTMLDivElement.prototype,
20 // Whether guest button should be shown when header bar is in normal mode.
23 // Current UI state of the sign-in screen.
24 signinUIState_: SIGNIN_UI_STATE.HIDDEN,
26 // Whether to show kiosk apps menu.
30 decorate: function() {
31 $('add-user-button').addEventListener('click',
32 this.handleAddUserClick_);
33 $('guest-user-header-bar-item').addEventListener('click',
34 this.handleGuestClick_);
35 $('guest-user-button').addEventListener('click',
36 this.handleGuestClick_);
41 * Tab index value for all button elements.
44 set buttonsTabIndex(tabIndex) {
45 var buttons = this.getElementsByTagName('button');
46 for (var i = 0, button; button = buttons[i]; ++i) {
47 button.tabIndex = tabIndex;
52 * Disables the header bar and all of its elements.
56 var buttons = this.getElementsByTagName('button');
57 for (var i = 0, button; button = buttons[i]; ++i)
58 if (!button.classList.contains('button-restricted'))
59 button.disabled = value;
63 * Add user button click handler.
66 handleAddUserClick_: function(e) {
67 chrome.send('addUser');
68 // Prevent further propagation of click event. Otherwise, the click event
69 // handler of document object will set wallpaper to user's wallpaper when
70 // there is only one existing user. See http://crbug.com/166477
75 * Cancel add user button click handler.
78 handleCancelAddUserClick_: function(e) {
79 // Let screen handle cancel itself if that is capable of doing so.
80 if (Oobe.getInstance().currentScreen &&
81 Oobe.getInstance().currentScreen.cancel) {
82 Oobe.getInstance().currentScreen.cancel();
86 Oobe.showScreen({id: SCREEN_ACCOUNT_PICKER});
87 Oobe.resetSigninUI(true);
91 * Guest button click handler.
94 handleGuestClick_: function(e) {
95 chrome.send('launchGuest');
100 * If true then "Browse as Guest" button is shown.
103 set showGuestButton(value) {
104 this.showGuest_ = value;
109 * Update current header bar UI.
110 * @type {number} state Current state of the sign-in screen
111 * (see SIGNIN_UI_STATE).
113 set signinUIState(state) {
114 this.signinUIState_ = state;
118 get signinUIState() {
119 return this.signinUIState_;
123 * Whether the Cancel button is enabled during Gaia sign-in.
126 set allowCancel(value) {
127 this.allowCancel_ = value;
132 * Updates visibility state of action buttons.
135 updateUI_: function() {
136 $('guest-user-header-bar-item').hidden = false;
137 $('add-user-header-bar-item').hidden = false;
141 * Animates Header bar to hide from the screen.
142 * @param {function()} callback will be called once animation is finished.
144 animateOut: function(callback) {
146 launcher.addEventListener(
147 'webkitTransitionEnd', function f(e) {
148 launcher.removeEventListener('webkitTransitionEnd', f);
151 this.classList.remove('login-header-bar-animate-slow');
152 this.classList.add('login-header-bar-animate-fast');
153 this.classList.add('login-header-bar-hidden');
157 * Animates Header bar to slowly appear on the screen.
159 animateIn: function() {
160 this.classList.remove('login-header-bar-animate-fast');
161 this.classList.add('login-header-bar-animate-slow');
162 this.classList.remove('login-header-bar-hidden');
167 * Convenience wrapper of animateOut.
169 HeaderBar.animateOut = function(callback) {
170 $('login-header-bar').animateOut(callback);
174 * Convenience wrapper of animateIn.
176 HeaderBar.animateIn = function() {
177 $('login-header-bar').animateIn();