demo_user_login.js revision 5f1c94371a64b3196d4be9466099bb892df9b88e 
1// Copyright (c) 2012 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.
4
5/**
6 * @fileoverview Demo login UI.
7 */
8
9/**
10 * Handles a user clicking anywhere on the screen. This will log the demo user
11 * in. Yes, this actually _is the intention.
12 * @param {Event} e The click event that triggered this function.
13 */
14onClick = function(e) {
15  document.removeEventListener('click', onClick);
16  e.stopPropagation();
17  showLoginSpinner();
18  chrome.send('launchDemoUser');
19};
20
21/**
22 * Initializes the click handler.
23 */
24initialize = function() {
25  $('page').style.opacity = 1;
26  document.addEventListener('click', onClick);
27  // Report back sign in UI being painted.
28  window.requestAnimationFrame(function() {
29    chrome.send('loginVisible', ['demo']);
30  });
31};
32
33/**
34 * Show the login spinner.
35 */
36showLoginSpinner = function() {
37  // We're already logging in - don't login on click.
38  document.removeEventListener('click', onClick);
39
40  // Hide the "Click to start" and show the spinner.
41  $('demo-login-text').hidden = true;
42  $('login-spinner').hidden = false;
43};
44
45disableTextSelectAndDrag();
46document.addEventListener('DOMContentLoaded', initialize);
47