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mmmturkeybacon Auto Reload Google IFrame On Error

Automatically reloads the iframe of a Google HIT if the "Please refresh the current page in your browser." error occurs. Adds a reload button in the top right corner of the iframe for Google HITs.

  1. // ==UserScript==
  2. // @name        mmmturkeybacon Auto Reload Google IFrame On Error
  3. // @version     1.02
  4. // @description Automatically reloads the iframe of a Google HIT if the "Please refresh the current page in your browser." error occurs. Adds a reload button in the top right corner of the iframe for Google HITs.
  5. // @author      mmmturkeybacon
  6. // @namespace   http://userscripts.org/users/523367
  7. // @match       https://www.google.com/evaluation/endor/mturk?*
  8. // @require     https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js
  9. // @grant       GM_getValue
  10. // @grant       GM_setValue
  11. // ==/UserScript==
  12.  
  13. var RELOAD_ATTEMPTS_MAX = 3;
  14. var RELOAD_DELAY = 1000; // milliseconds
  15.  
  16. $(document).ready(function()
  17. {
  18.         var button_holder = document.createElement("DIV");
  19.         button_holder.style.cssText = "position: fixed; top: 0px; right: 0px; z-index: 20;";
  20.         button_holder.innerHTML = '<input type="button" onclick="window.location.reload(true)" value="Reload" />';
  21.         document.body.insertBefore(button_holder, document.body.firstChild);
  22.  
  23.         var idx = document.location.href.indexOf('assignmentId=') + 13;
  24.         var assignmentId = document.location.href.substring(idx).split('&')[0];
  25.         if (assignmentId != GM_getValue('mtbgir_assignmentId', 'ASSIGNMENT_ID_NOT_AVAILABLE'))
  26.         {
  27.             GM_setValue('mtbgir_assignmentId', assignmentId);
  28.             GM_setValue('mtbgir_reload_attempts', 0);
  29.         }
  30.  
  31.         var refresh_page_error = $('p:contains("Please refresh the current page in your browser.")').length > 0;
  32.         var mtbgir_reload_attempts = GM_getValue('mtbgir_reload_attempts', 0);
  33.         if (refresh_page_error && mtbgir_reload_attempts < RELOAD_ATTEMPTS_MAX)
  34.         {
  35.             GM_setValue('mtbgir_reload_attempts', mtbgir_reload_attempts+1);
  36.             setTimeout(function(){window.location.reload(true);}, RELOAD_DELAY);
  37.         }
  38.         else if (refresh_page_error)
  39.         {
  40.             alert('mmmturkeybacon Auto Reload Google IFrame On Error: This page has been automatically reloaded the maximum number of times for this script.');
  41.         }
  42. });