tools/page_cycler/indexed_db/common.js

// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

var CANNOT_OPEN_DB = -1;
var SETUP_FAILED = -2;
var TEST_FAILED = -3;

function setup() {
  window.indexedDB = window.indexedDB || window.webkitIndexedDB;
  window.IDBKeyRange = window.IDBKeyRange || window.webkitIDBKeyRange;

  if ('indexedDB' in window)
    return true;

  return false;
}

function getOrAddElement(id, type) {
  var elem = document.getElementById(id);
  if (!elem) {
    elem = document.createElement(type);
    elem.id = id;
    document.body.appendChild(elem);
  }
  return elem;
}

function log(msg) {
  var logElem = getOrAddElement('logElem', 'DIV');
  logElem.innerHTML += msg + '<br>';
}