ppapi/tests/extensions/background_keepalive/background.js

   1 // Copyright (c) 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 var NaClModulesExpected = 0;
   6 var NaClModulesLoaded = 0;
   7
   8 // Indicate load success.
   9 function moduleDidLoad() {
  10   NaClModulesLoaded++;
  11   if (NaClModulesLoaded == NaClModulesExpected)
  12     chrome.test.sendMessage("nacl_modules_loaded", handleChromeTestMessage);
  13 }
  14
  15 var handleChromeTestMessage = function (message) {
  16   NaClModules = document.querySelectorAll('embed');
  17   for (var i = 0; i < NaClModules.length; i++) {
  18     NaClModules[i].postMessage(message);
  19   }
  20 }
  21
  22 function handleNaclMessage(message_event) {
  23   console.log("handleNaclMessage: " + message_event.data);
  24 }
  25
  26 function createNaClEmbed() {
  27   NaClModulesExpected++;
  28
  29   var listener = document.createElement("div");
  30   listener.addEventListener("load", moduleDidLoad, true);
  31   listener.addEventListener("message", handleNaclMessage, true);
  32   listener.innerHTML = '<embed' +
  33     ' src="ppapi_tests_extensions_background_keepalive.nmf"' +
  34     ' type="application/x-nacl" />';
  35   document.body.appendChild(listener);
  36 }
  37
  38 // Create 2 embeds to verify that we can handle more than one.
  39 createNaClEmbed();
  40 createNaClEmbed();
  41