☰

AjaxPipeHelper

Page => AJAX Page

  1. // ==UserScript==
  2. // @name            AjaxPipeHelper
  3. // @author          -
  4. // @namespace       AjaxPipeHelper - Scripts
  5. // @description     Page => AJAX Page
  6. // @license         Creative Commons Attribution License
  7. // @version            0.1
  8. // @include         *://old.reddit.com/*
  9. // @grant        none
  10. // @run-at           document-start
  11. // ==/UserScript==
  12.  
  13. function GM_getParentByTagName(el, tagName) {
  14.   tagName = tagName.toLowerCase();
  15.   if (el.tagName.toLowerCase() == tagName) {
  16.     return el;
  17.   }
  18.   while (el && el.parentNode) {
  19.     el = el.parentNode;
  20.     if (el.tagName && el.tagName.toLowerCase() == tagName) {
  21.       return el;
  22.     }
  23.   }
  24.   return "undefined";
  25. }
  26. function parseResponseHeaders(headerStr) {
  27.     var headers = {};
  28.     if (!headerStr) {
  29.         return headers;
  30.     }
  31.     var headerPairs = headerStr.split('\u000d\u000a');
  32.     for (var i = 0, len = headerPairs.length; i < len; i++) {
  33.         var headerPair = headerPairs[i];
  34.         var index = headerPair.indexOf('\u003a\u0020');
  35.         if (index > 0) {
  36.             var key = headerPair.substring(0, index);
  37.             var val = headerPair.substring(index + 2);
  38.             headers[key.toLowerCase()] = val;
  39.         }
  40.     }
  41.     return headers;
  42. }
  43.  
  44. function ajaxpiperenabler() {
  45.     document.addEventListener("click", onclickact);
  46.     window.addEventListener("popstate", poppye);
  47.  
  48.     function poppye() {
  49.         ajaxpipefetcher(location.href)
  50.     }
  51.  
  52.     function ajaxpipefetcher(currenttag) {
  53.         GM_xmlhttpRequest({
  54.             method: "GET",
  55.             url: currenttag,
  56.             stillpagefilter: true,
  57.             onload: function (response) {
  58.                 var responseheaders = parseResponseHeaders(response.responseHeaders)
  59.                 if (responseheaders['content-type'].indexOf('text/html') != -1) {
  60.                     document.body.innerHTML = response.responseText;
  61.                 } else {
  62.                     location = currenttag
  63.                 }
  64.                 scrollTo(0, 0)
  65.                 window.history.pushState(null, null, currenttag);
  66.             }
  67.         });
  68.  
  69.     }
  70.  
  71.     function onclickact(e) {
  72.         //re = "(?:javascript|.(?:jpe?g|gif|png|js|css|json|exe|zip|rar|iso|7z|ahk))";
  73.         var currenttag = GM_getParentByTagName(e.target, "a")
  74.         if (e.button === 0) {
  75.             if ((currenttag.nodeName == "A") && (currenttag.href.indexOf(location.hostname) != -1) && (!currenttag.getAttribute("onclick")) && (!currenttag.getAttribute("data-toggle"))) {
  76.                 e.preventDefault();
  77.                 ajaxpipefetcher(currenttag.href)
  78.             }
  79.         }
  80.     }
  81. }
  82. ajaxpiperenabler()