☰

Autocomplete On

Searches for autocomplete attributes in the page and sets the value to on.

  1. // ==UserScript==
  2. // @name        Autocomplete On
  3. // @namespace   https://greasyfork.org/en/scripts/4256-autocomplete-on
  4. // @description Searches for autocomplete attributes in the page and sets the value to on.
  5. // @include     *
  6. // @grant       none
  7. // @noframes
  8. // @version     14.0
  9. // ==/UserScript==
  10.  
  11. function enableAutocomplete()
  12. {
  13.     /* Get all autocomplete attributes */
  14.     var nodeSnapshot = document.evaluate('//*[@autocomplete]', document, null,
  15.         XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null),
  16.         numNodeValues = nodeSnapshot.snapshotLength - 1,
  17.         focusedAndBlurred = false,
  18.         formNode = null,
  19.         numFormElements = 0,
  20.         scrollX = window.pageXOffset,
  21.         scrollY = window.pageYOffset,
  22.         activeElement = document.activeElement;
  23.     /* Loop through all the attributes found in the snapshot */
  24.     for (var i = numNodeValues; i >= 0; i--) {
  25.         /*
  26.             Get the attribute snapshot object and
  27.             Change the attribute value to "on"
  28.         */
  29.         nodeSnapshot.snapshotItem(i).setAttribute('autocomplete', 'on');
  30.         /* If element is of type text and autocomplete is set, it's probably the username */
  31.         if (nodeSnapshot.snapshotItem(i).getAttribute('type') == 'text') {
  32.             /*
  33.                 Blurring and focusing allows gecko to make suggestions
  34.                 immediately when double clicking username
  35.             */
  36.             nodeSnapshot.snapshotItem(i).focus();
  37.             nodeSnapshot.snapshotItem(i).blur();
  38.             focusedAndBlurred = true;
  39.         }
  40.         /* Remember the form node if autocomplete was set on it */
  41.         if (nodeSnapshot.snapshotItem(i).nodeName.toLowerCase() == 'form') {
  42.             formNode = nodeSnapshot.snapshotItem(i);
  43.             numFormElements = formNode.elements.length - 1;
  44.         }
  45.     }
  46.     /*
  47.         If formNode was set and username was not focused and blurred,
  48.         then autocomplete was only set on the form node
  49.     */
  50.     if (formNode != null && ! focusedAndBlurred) {
  51.         for (var i = numFormElements; i >= 0; i--) {
  52.             /* Blur and focus every text field in the form ending with the first field */
  53.             if (formNode.elements[i].getAttribute('type') == 'text') {
  54.                 formNode.elements[i].focus();
  55.                 formNode.elements[i].blur();
  56.                 focusedAndBlurred = true;
  57.             }
  58.         }
  59.     }
  60.     /*
  61.         If form fields were focused and blurred, return to the original
  62.         scroll position and refocus the active element
  63.     */
  64.     if (focusedAndBlurred) {
  65.         activeElement.focus();
  66.         /*
  67.        		Create a slight delay before scrolling back to the first scroll position 
  68.             since executing it immediately sometimes doesn't work 
  69.     	*/
  70.         setTimeout(() => {
  71.             window.scrollTo(scrollX, scrollY);
  72.         }, '1');
  73.     }
  74. }
  75. function enableAutocompleteDelayed()
  76. {
  77.     setTimeout(() => {
  78.         enableAutocomplete();
  79.     }, '1000');
  80. }
  81. function newSubmit()
  82. {
  83.     enableAutocomplete();
  84.     if (this._submit !== undefined) {
  85.         this._submit();
  86.     }
  87. }
  88. /* Override DOM submit */
  89. HTMLFormElement.prototype._submit = HTMLFormElement.prototype.submit;
  90. HTMLFormElement.prototype.submit = newSubmit;
  91. /* Run enable on form submit and page load */
  92. window.addEventListener('submit', newSubmit, true);
  93. window.addEventListener('load', enableAutocompleteDelayed, false);