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Auto Refresh for Google+

Auto Post Refresh for Google+

当前为 2017-03-27 提交的版本，查看 最新版本。

  1. /*
  2.  
  3. Following code belongs to Auto Refresh for Google+.
  4. Copyright (C) 2017 Jackson Tan
  5. This program is free software: you can redistribute it and/or modify
  6. it under the terms of the GNU General Public License as published by
  7. the Free Software Foundation, either version 3 of the License, or
  8. (at your option) any later version.
  9.  
  10. This program is distributed in the hope that it will be useful,
  11. but WITHOUT ANY WARRANTY; without even the implied warranty of
  12. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13. GNU General Public License for more details.
  14.  
  15. You should have received a copy of the GNU General Public License
  16. along with this program. If not, see <http://www.gnu.org/licenses/>.
  17.  
  18. */
  19.  
  20. // ==UserScript==
  21. // @id             GPlusAutoRefresh
  22. // @name           Auto Refresh for Google+
  23. // @version        0.1.0
  24. // @namespace      gplus.autorefresh
  25. // @author         Jackson Tan
  26. // @description    Auto Post Refresh for Google+
  27. // @include        https://plus.google.com/*
  28. // @exclude        /https://plus\.google\.com(/u/\d+)?/?stream/circles/.+/i
  29. // @exclude	       /https://plus\.google\.com(/u/\d+)?/?b/.+/i
  30. // @run-at         document-end
  31. // @grant          GM_xmlhttpRequest
  32. // ==/UserScript==
  33.  
  34.  
  35. (function () {
  36.     'use strict';
  37.     var constants = {
  38.         POST_CLASS_NAME: 'V2SCpf vCjazd',
  39.         POST_UID_ATTRIBUTE: 'data-iid',
  40.         POST_COLUMN_CONTAINER: 'H68wj jxKp7'
  41.     };
  42.  
  43.     function getCurrentPostList() {
  44.         var elements = document.getElementsByClassName(constants.POST_CLASS_NAME);
  45.         var list = [];
  46.  
  47.         Array.prototype.forEach.call(elements, function (e) {
  48.             list.push(e.getAttribute(constants.POST_UID_ATTRIBUTE));
  49.         });
  50.  
  51.         return list;
  52.     }
  53.  
  54.     function handleResponse(newPost, lastInsertIndex) {
  55.         var currentPost = getCurrentPostList();
  56.         var newNodes = newPost.filter(
  57.             function (e) {
  58.                 return currentPost.indexOf(e.getAttribute(constants.POST_UID_ATTRIBUTE)) < 0;
  59.             }
  60.         ).reverse();
  61.  
  62.         var parentNodes = document.getElementsByClassName(constants.POST_COLUMN_CONTAINER);
  63.         var parentLength = parentNodes.length;
  64.  
  65.         Array.prototype.forEach.call(newNodes, function (e, i) {
  66.             insertIndex = (lastInsertIndex + 1) % parentLength;
  67.             var parentNode = parentNodes[insertIndex];
  68.             insertIndex === 0 ? parentNode.insertBefore(e, parentNode.firstChild.nextSibling) : parentNode.insertBefore(e, parentNode.firstChild);
  69.         });
  70.     }
  71.  
  72.     function getUpdatePostList(handler, lastInsertIndex) {
  73.         var http = new XMLHttpRequest();
  74.         var url = document.URL.match(/https:\/\/plus\.google\.com(\/b\/\d+)/) != undefined ? document.URL.match(/https:\/\/plus\.google\.com(\/b\/\d+)/)[0] : document.URL.match(/https:\/\/plus\.google\.com(\/u\/\d)?/)[0];
  75.         url += location.search.indexOf("?") != -1 ? '/' + location.search + '&_reqid=' + (new Date().getTime() % 1000000) + '&rt=j' : '/?_reqid=' + (new Date().getTime() % 1000000) + '&rt=j';
  76.         http.open("GET", url, true);
  77.  
  78.         http.setRequestHeader("Content-type", "application/x-www-form-urlencoded;charset=UTF-8");
  79.         http.responseType = 'document';
  80.         http.onreadystatechange = function () {
  81.             if (http.readyState == 4 && http.status == 200) {
  82.                 var body = http.responseXML.body;
  83.                 var elements = body.getElementsByClassName(constants.POST_CLASS_NAME);
  84.                 var list = [];
  85.  
  86.                 Array.prototype.forEach.call(elements, function (e) {
  87.                     list.push(e);
  88.                 });
  89.  
  90.                 handler(list, lastInsertIndex);
  91.             }
  92.         };
  93.         http.send();
  94.     }
  95.  
  96.     var insertIndex = -1;
  97.     setInterval(function () { getUpdatePostList(handleResponse, insertIndex); }, 10000);
  98. })();