chrome/test/data/extensions/platform_apps/prevent_leave_fullscreen/main.js

   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.
   4
   5 chrome.app.runtime.onLaunched.addListener(function() {
   6   chrome.app.window.create('main.html', {}, function(win) {
   7     // The following key events handler will prevent the default behavior for
   8     // the ESC key, thus will prevent the ESC key to leave fullscreen.
   9     win.contentWindow.document.addEventListener('keydown', function(e) {
  10       e.preventDefault();
  11     });
  12     win.contentWindow.document.addEventListener('keyup', function(e) {
  13       e.preventDefault();
  14     });
  15
  16     chrome.test.sendMessage('Launched', function(reply) {
  17       var doc = win.contentWindow.document;
  18       doc.addEventListener('keydown', function(e) {
  19         if (e.keyCode != 90) // 'z'
  20           return;
  21         chrome.test.sendMessage('KeyReceived');
  22       });
  23
  24       switch (reply) {
  25         case 'window':
  26           doc.addEventListener('keydown', function(e) {
  27             if (e.keyCode != 66) // 'b'
  28               return;
  29             doc.removeEventListener('keydown', arguments.callee);
  30             // We do one trip to the event loop to increase the chances that
  31             // fullscreen could have been left before the message is received.
  32             setTimeout(function() {
  33               chrome.test.sendMessage('B_KEY_RECEIVED');
  34             });
  35           });
  36           win.fullscreen();
  37           break;
  38
  39         case 'dom':
  40           doc.addEventListener('keydown', function() {
  41             doc.removeEventListener('keydown', arguments.callee);
  42
  43             doc.addEventListener('keydown', function(e) {
  44               if (e.keyCode != 66) // 'b'
  45                 return;
  46               doc.removeEventListener('keydown', arguments.callee);
  47               // We do one trip to the event loop to increase the chances that
  48               // fullscreen could have been left before the message is received.
  49               setTimeout(function() {
  50                 chrome.test.sendMessage('B_KEY_RECEIVED');
  51               });
  52             });
  53
  54             doc.body.webkitRequestFullscreen();
  55           });
  56           break;
  57       }
  58     });
  59   });
  60 });