chrome/test/data/webui/webview_execute_script_test.js

   1 // Copyright 2015 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 function createWebview() {
   6   var webview = document.createElement('webview');
   7   document.body.appendChild(webview);
   8   return webview;
   9 }
  10
  11 function testExecuteScriptCode(url) {
  12   var webview = createWebview();
  13
  14   var onGetBackgroundExecuted = function(results) {
  15     chrome.send('testResult', [results.length == 1 && results[0] == 'red']);
  16   };
  17
  18   var onSetBackgroundExecuted = function() {
  19     webview.executeScript({
  20       code: 'document.body.style.backgroundColor;'
  21     }, onGetBackgroundExecuted);
  22   };
  23
  24   var onLoadStop = function() {
  25     webview.executeScript({
  26       code: 'document.body.style.backgroundColor = \'red\';'
  27     }, onSetBackgroundExecuted);
  28   };
  29
  30   webview.addEventListener('loadstop', onLoadStop);
  31   webview.src = url;
  32 }