1// Copyright 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/** 6 * Javascript for user_actions.html, served from chrome://user-actions/ 7 * This is used to debug user actions recording. It displays a live 8 * stream of all user action events that occur in chromium while the 9 * chrome://user-actions/ page is open. 10 * 11 * The simple object defined in this javascript file listens for 12 * callbacks from the C++ code saying that a new user action was seen. 13 */ 14 15cr.define('userActions', function() { 16 'user strict'; 17 18 /** 19 * Appends a row to the output table listing the user action observed 20 * and the current timestamp. 21 * @param {string} userAction the name of the user action observed. 22 */ 23 function observeUserAction(userAction) { 24 var table = $('user-actions-table'); 25 var tr = document.createElement('tr'); 26 var td = document.createElement('td'); 27 td.textContent = userAction; 28 tr.appendChild(td); 29 td = document.createElement('td'); 30 td.textContent = Date.now() / 1000; // in seconds since epoch 31 tr.appendChild(td); 32 table.appendChild(tr); 33 } 34 35 return { 36 observeUserAction: observeUserAction 37 }; 38}); 39