1 // Copyright (c) 2011 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 cr.define('enterpriseEnrollment', function() { 6 7 function showScreen(screen) { 8 var screens = ['login-screen', 'confirmation-screen']; 9 for (var i = 0; i < screens.length; i++) { 10 $(screens[i]).hidden = screens[i] != screen; 11 12 // Hiding an iframe unfortunately doesn't remove it or its contents from 13 // tabbing order. To hack around this: 14 // - Hide the content document (if it exists), so nested elements won't 15 // receive focus and relinquish focus if they already have it. 16 // - Set tabIndex = -1 on the iframe, so it doesn't get focused itself. 17 // 18 // See https://bugs.webkit.org/show_bug.cgi?id=55861 19 iframes = $(screens[i]).getElementsByTagName('iframe'); 20 for (var j = 0; j < iframes.length; j++) { 21 var display = ''; 22 if (screens[i] != screen) { 23 display = 'none'; 24 iframes[j].tabIndex = -1; 25 } else { 26 display = 'block'; 27 iframes[j].removeAttribute('tabIndex'); 28 } 29 if (iframes[j].contentDocument && iframes[j].contentDocument.body) { 30 iframes[j].contentDocument.body.style.display = display; 31 } 32 } 33 } 34 } 35 36 function showInitialScreen() { 37 var args = JSON.parse(chrome.dialogArguments); 38 showScreen(args.initialScreen); 39 } 40 41 return { 42 showScreen: showScreen, 43 showInitialScreen: showInitialScreen 44 }; 45 }); 46 47 document.addEventListener('DOMContentLoaded', 48 enterpriseEnrollment.showInitialScreen); 49
