javascript/background.js

   1 // Copyright 2013 Google Inc. All Rights Reserved.
   2
   3 /**
   4  * @fileoverview Background initialization.
   5  * @author arunjit@google.com (Arunjit Singh)
   6  */
   7
   8 var CONSTANTS = {
   9   /**
  10    * The available time ranges (in hours). -1 => eternity.
  11    * @type {Array.<number>}
  12    * @const
  13    */
  14   TIMES: [-1, 1, 2, 24, 168],
  15   /**
  16    * The default time (in hours)
  17    * @type {number}
  18    * @const
  19    */
  20   DEFAULT_TIME: 1,
  21   /**
  22    * String for 'yes'. @see {@code CONSTANTS.NO}
  23    * @type {string}
  24    * @const
  25    */
  26   YES: 'yes',
  27   /**
  28    * String for 'no' that doesn't evaluate to a falsy value.
  29    * @type {string}
  30    * @const
  31    */
  32   NO: 'no'
  33 };
  34
  35 /**
  36  * Go to the options page on first run
  37  */
  38 if (!localStorage['options-set']) {
  39   var optionsPageURL = chrome.extension.getURL('/views/options.html');
  40   chrome.tabs.create({url: optionsPageURL});
  41   localStorage['options-set'] = 1;
  42 }