1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
|
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
/**
* @fileoverview Login UI header bar implementation.
*/
cr.define('login', function() {
/**
* Creates a header bar element.
* @constructor
* @extends {HTMLDivElement}
*/
var HeaderBar = cr.ui.define('div');
HeaderBar.prototype = {
__proto__: HTMLDivElement.prototype,
// Whether guest button should be shown when header bar is in normal mode.
showGuest_: false,
// Current UI state of the sign-in screen.
signinUIState_: SIGNIN_UI_STATE.HIDDEN,
// Whether to show kiosk apps menu.
hasApps_: false,
/** @override */
decorate: function() {
$('shutdown-header-bar-item').addEventListener('click',
this.handleShutdownClick_);
$('shutdown-button').addEventListener('click',
this.handleShutdownClick_);
$('add-user-button').addEventListener('click',
this.handleAddUserClick_);
$('cancel-add-user-button').addEventListener('click',
this.handleCancelAddUserClick_);
$('guest-user-header-bar-item').addEventListener('click',
this.handleGuestClick_);
$('guest-user-button').addEventListener('click',
this.handleGuestClick_);
$('sign-out-user-button').addEventListener('click',
this.handleSignoutClick_);
$('cancel-multiple-sign-in-button').addEventListener('click',
this.handleCancelMultipleSignInClick_);
if (Oobe.getInstance().displayType == DISPLAY_TYPE.LOGIN ||
Oobe.getInstance().displayType == DISPLAY_TYPE.OOBE)
login.AppsMenuButton.decorate($('show-apps-button'));
},
/**
* Tab index value for all button elements.
* @type {number}
*/
set buttonsTabIndex(tabIndex) {
var buttons = this.getElementsByTagName('button');
for (var i = 0, button; button = buttons[i]; ++i) {
button.tabIndex = tabIndex;
}
},
/**
* Disables the header bar and all of its elements.
* @type {boolean}
*/
set disabled(value) {
var buttons = this.getElementsByTagName('button');
for (var i = 0, button; button = buttons[i]; ++i)
if (!button.classList.contains('button-restricted'))
button.disabled = value;
},
/**
* Add user button click handler.
* @private
*/
handleAddUserClick_: function(e) {
Oobe.showSigninUI();
// Prevent further propagation of click event. Otherwise, the click event
// handler of document object will set wallpaper to user's wallpaper when
// there is only one existing user. See http://crbug.com/166477
e.stopPropagation();
},
/**
* Cancel add user button click handler.
* @private
*/
handleCancelAddUserClick_: function(e) {
// Let screen handle cancel itself if that is capable of doing so.
if (Oobe.getInstance().currentScreen &&
Oobe.getInstance().currentScreen.cancel) {
Oobe.getInstance().currentScreen.cancel();
return;
}
$('pod-row').loadLastWallpaper();
Oobe.showScreen({id: SCREEN_ACCOUNT_PICKER});
Oobe.resetSigninUI(true);
},
/**
* Guest button click handler.
* @private
*/
handleGuestClick_: function(e) {
Oobe.disableSigninUI();
chrome.send('launchIncognito');
e.stopPropagation();
},
/**
* Sign out button click handler.
* @private
*/
handleSignoutClick_: function(e) {
this.disabled = true;
chrome.send('signOutUser');
e.stopPropagation();
},
/**
* Shutdown button click handler.
* @private
*/
handleShutdownClick_: function(e) {
chrome.send('shutdownSystem');
e.stopPropagation();
},
/**
* Cancel user adding button handler.
* @private
*/
handleCancelMultipleSignInClick_: function(e) {
chrome.send('cancelUserAdding');
e.stopPropagation();
},
/**
* If true then "Browse as Guest" button is shown.
* @type {boolean}
*/
set showGuestButton(value) {
this.showGuest_ = value;
this.updateUI_();
},
/**
* Update current header bar UI.
* @type {number} state Current state of the sign-in screen
* (see SIGNIN_UI_STATE).
*/
set signinUIState(state) {
this.signinUIState_ = state;
this.updateUI_();
},
/**
* Whether the Cancel button is enabled during Gaia sign-in.
* @type {boolean}
*/
set allowCancel(value) {
this.allowCancel_ = value;
this.updateUI_();
},
/**
* Update whether there are kiosk apps.
* @type {boolean}
*/
set hasApps(value) {
this.hasApps_ = value;
this.updateUI_();
},
/**
* Updates visibility state of action buttons.
* @private
*/
updateUI_: function() {
var gaiaIsActive = (this.signinUIState_ == SIGNIN_UI_STATE.GAIA_SIGNIN);
var accountPickerIsActive =
(this.signinUIState_ == SIGNIN_UI_STATE.ACCOUNT_PICKER);
var managedUserCreationDialogIsActive =
(this.signinUIState_ == SIGNIN_UI_STATE.MANAGED_USER_CREATION_FLOW);
var wrongHWIDWarningIsActive =
(this.signinUIState_ == SIGNIN_UI_STATE.WRONG_HWID_WARNING);
var isMultiProfilesUI =
(Oobe.getInstance().displayType == DISPLAY_TYPE.USER_ADDING);
$('add-user-button').hidden = !accountPickerIsActive || isMultiProfilesUI;
$('cancel-add-user-button').hidden = accountPickerIsActive ||
!this.allowCancel_ ||
wrongHWIDWarningIsActive ||
isMultiProfilesUI;
$('guest-user-header-bar-item').hidden = gaiaIsActive ||
managedUserCreationDialogIsActive ||
!this.showGuest_ ||
wrongHWIDWarningIsActive ||
isMultiProfilesUI;
$('add-user-header-bar-item').hidden =
$('add-user-button').hidden && $('cancel-add-user-button').hidden;
$('apps-header-bar-item').hidden = !this.hasApps_ ||
(!gaiaIsActive && !accountPickerIsActive);
$('cancel-multiple-sign-in-item').hidden = !isMultiProfilesUI;
if (!$('apps-header-bar-item').hidden)
$('show-apps-button').didShow();
},
/**
* Animates Header bar to hide from the screen.
* @param {function()} callback will be called once animation is finished.
*/
animateOut: function(callback) {
var launcher = this;
launcher.addEventListener(
'webkitTransitionEnd', function f(e) {
launcher.removeEventListener('webkitTransitionEnd', f);
callback();
});
// Guard timer for 2 seconds + 200 ms + epsilon.
ensureTransitionEndEvent(launcher, 2250);
this.classList.remove('login-header-bar-animate-slow');
this.classList.add('login-header-bar-animate-fast');
this.classList.add('login-header-bar-hidden');
},
/**
* Animates Header bar to slowly appear on the screen.
*/
animateIn: function() {
this.classList.remove('login-header-bar-animate-fast');
this.classList.add('login-header-bar-animate-slow');
this.classList.remove('login-header-bar-hidden');
},
};
/**
* Convenience wrapper of animateOut.
*/
HeaderBar.animateOut = function(callback) {
$('login-header-bar').animateOut(callback);
};
/**
* Convenience wrapper of animateIn.
*/
HeaderBar.animateIn = function() {
$('login-header-bar').animateIn();
}
return {
HeaderBar: HeaderBar
};
});
|
