chrome/test/data/extensions/good/Extensions/bjafgdebaacbbbecmhlhpofkepfkgcpa/1.0/page.js

   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 var win = window;
   6 if (typeof(contentWindow) != 'undefined') {
   7   win = contentWindow;
   8 }
   9
  10 chrome.runtime.onConnect.addListener(function(port) {
  11   console.log('connected');
  12   port.onMessage.addListener(function(msg) {
  13     console.log('got ' + msg);
  14     if (msg.testPostMessage) {
  15       port.postMessage({success: true});
  16     } else if (msg.testPostMessageFromTab) {
  17       testPostMessageFromTab(port);
  18     } else if (msg.testDisconnect) {
  19       port.disconnect();
  20     } else if (msg.testDisconnectOnClose) {
  21       win.location = "about:blank";
  22     } else if (msg.testPortName) {
  23       port.postMessage({portName:port.name});
  24     }
  25     // Ignore other messages since they are from us.
  26   });
  27 });
  28
  29 // Tests that postMessage to the extension and its response works.
  30 function testPostMessageFromTab(origPort) {
  31   console.log('testPostMessageFromTab');
  32   var portName = "peter";
  33   var port = chrome.runtime.connect({name: portName});
  34   port.postMessage({testPostMessageFromTab: true});
  35   port.onMessage.addListener(function(msg) {
  36     origPort.postMessage({success: (msg.success && (msg.portName == portName))});
  37     console.log('sent ' + msg.success);
  38     port.disconnect();
  39   });
  40   console.log('posted message');
  41 }
  42
  43 // Workaround two bugs: shutdown crash if we hook 'unload', and content script
  44 // GC if we don't register any event handlers.
  45 // http://code.google.com/p/chromium/issues/detail?id=17410
  46 // http://code.google.com/p/chromium/issues/detail?id=17582
  47 function foo() {}
  48 win.addEventListener('error', foo);