native_client_sdk/src/examples/api/url_loader/example.js

   1 // Copyright (c) 2012 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 // Called by the common.js module.
   6 function moduleDidLoad() {
   7   // The module is not hidden by default so we can easily see if the plugin
   8   // failed to load.
   9   common.hideModule();
  10 }
  11
  12 // Called by the common.js module.
  13 function attachListeners() {
  14   document.getElementById('button').addEventListener('click', loadUrl);
  15 }
  16
  17 function loadUrl() {
  18   common.naclModule.postMessage('getUrl:url_loader_success.html');
  19 }
  20
  21 // Called by the common.js module.
  22 function handleMessage(message_event) {
  23   var logEl = document.getElementById('output');
  24   // Find the first line break.  This separates the URL data from the
  25   // result text.  Note that the result text can contain any number of
  26   // '\n' characters, so split() won't work here.
  27   var url = message_event.data;
  28   var result = '';
  29   var eolPos = message_event.data.indexOf('\n');
  30   if (eolPos != -1) {
  31     url = message_event.data.substring(0, eolPos);
  32     if (eolPos < message_event.data.length - 1) {
  33       result = message_event.data.substring(eolPos + 1);
  34     }
  35   }
  36   logEl.textContent += 'FULLY QUALIFIED URL: ' + url + '\n';
  37   logEl.textContent += 'RESULT:\n' + result + '\n';
  38 }