1 <!DOCTYPE html> 2 <!-- 3 * Copyright (c) 2009 The Chromium Authors. All rights reserved. Use of this 4 * source code is governed by a BSD-style license that can be found in the 5 * LICENSE file. 6 --> 7 <html> 8 <head> 9 <title> Simple Background App </title> 10 <style> 11 .hidden { display: none; } 12 #unsupported { color: #d00; } 13 </style> 14 </head> 15 <body> 16 <h1> Simple Background App </h1> 17 <p id="supported" class="hidden"> 18 <button onclick="openBackgroundWindow()">Open background window</button> 19 <button onclick="closeBackgroundWindow()">Close background window</button> 20 </p> 21 <p id="unsupported" class="hidden"> 22 You are not using Chrome or have not installed the application for this 23 page. 24 </p> 25 <script> 26 // Check for support 27 if (window.chrome && window.chrome.app && window.chrome.app.isInstalled) { 28 document.getElementById('supported').className = ''; 29 } else { 30 document.getElementById('unsupported').className = ''; 31 } 32 var bgWinUrl = "background.html#yay"; 33 var bgWinName = "bgNotifier"; 34 35 function openBackgroundWindow() { 36 window.open(bgWinUrl, bgWinName, "background"); 37 } 38 function closeBackgroundWindow() { 39 var w = window.open(bgWinUrl, bgWinName, "background"); 40 w.close(); 41 } 42 </script> 43 <p> 44 This app displays a notification 45 whenever its background window is created. 46 Background windows and this app are described in the 47 <a href="http://code.google.com/chrome/apps/docs/developers_guide.html">apps documentation</a>. 48 </p> 49 <p> 50 The generic source code is available for 51 <a href="http://code.google.com/chrome/extensions/trunk/examples/apps/background-simple.zip">download</a>. 52 The 53 <a href="http://src.chromium.org/viewvc/chrome/trunk/src/chrome/common/extensions/docs/examples/apps/background-simple/README?content-type=text/plain">README</a> 54 tells you how to modify the code. 55 </p> 56 <p> 57 If you just want to run a version of this app that's already on the web, 58 here's how: 59 </p> 60 <ol> 61 <li> 62 <a href="http://background-simple.appspot.com/app.crx">Install the app</a> 63 from background-simple.appspot.com. 64 </li> 65 <li> 66 Launch Simple Background App from the New Tab page. 67 </li> 68 </ol> 69 </body> 70 </html> 71
