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Endless Google

Load more results automatically and endlessly.

当前为 2018-04-27 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name            Endless Google
  3. // @description     Load more results automatically and endlessly.
  4. // @author          tumpio
  5. // @oujs:author     tumpio
  6. // @license         MIT
  7. // @namespace       tumpio@sci.fi
  8. // @homepageURL     https://openuserjs.org/scripts/tumpio/tumpiosci.fi/Endless_Google
  9. // @supportURL      https://github.com/tumpio/gmscripts
  10. // @icon            https://github.com/tumpio/gmscripts/raw/master/Endless_Google/large.png
  11. // @include         http://www.google.*
  12. // @include         https://www.google.*
  13. // @include         https://encrypted.google.*
  14. // @run-at          document-start
  15. // @grant           GM_xmlhttpRequest
  16. // @grant           GM_addStyle
  17. // @version         0.0.4-joey3
  18. // ==/UserScript==
  19.  
  20. // TODO: on page refresh:
  21. //  2: load only the last scrolled page (on refresh, load last requested page) (could be a good default, needs scroll up support)
  22. //      beforeunload -> store last requested page with GM_setVariable() and reload it instead
  23. // TODO: onerror, onabort: show to user "page loading failed", button to retry
  24.  
  25. // FIXME: bug: Suggested images don't show up on new requested pages
  26. // case: https://www.google.fi/webhp?tab=ww&ei=e0UjU9ynEKqkyAO46YD4DQ&ved=0CBEQ1S4#q=tetsaus
  27. // workaround, hiding now
  28.  
  29. // FUTURE: Options dialog
  30. // FUTURE: Replace footer with page #no info UI
  31. // FUTURE: Add page up/down and back to top/bottom controls UI + (go to the page #n)?
  32. // FUTURE: Add columns support
  33. // FUTURE: show page loading icon
  34. // FUTURE: show page fav-icons for results
  35. // FUTURE: number results
  36. // FUTURE: option to load static google css
  37. // FUTURE: support scroll up
  38.  
  39. if (location.href.indexOf("tbm=isch") !== -1) // NOTE: Don't run on image search
  40.     return;
  41. if (window.top !== window.self) // NOTE: Do not run on iframes
  42.     return;
  43.  
  44. document.addEventListener('DOMContentLoaded', function () {
  45.  
  46.     // NOTE: Options
  47.     var request_pct = 1.50; // percentage of window height left on document to request next page, value must be between 0-1
  48.     var event_type = "scroll"; // or "wheel"
  49.     var on_page_refresh = 1;
  50.     // 0: reload all previous pages requested
  51.     // 1: load only the first page (prevent restoring the scroll position)
  52.     // 2: load only the last page requested
  53.     var main = document.getElementById("main");
  54.     var rcnt = document.getElementById("rcnt");
  55.     var input = document.getElementById("lst-ib");
  56.     var input_value = input.value;
  57.     var old_scrollY = 0;
  58.     var scroll_events = 0;
  59.     var next_link = null;
  60.     var cols = [];
  61.     var request_offsetHeight = 0;
  62.     var stop_events = false;
  63.  
  64.     input.addEventListener("blur", reset, false); // NOTE: listens for new search input to reset state
  65.     window.addEventListener(event_type, onScroll, false);
  66.  
  67.     // Disabled by Joey because it is mildly annoying when clicking a link, and I'm not sure what its benefit is
  68.     //window.addEventListener("beforeunload", function () {
  69.     //    window.scrollTo(0, 0);
  70.     //}, false);
  71.  
  72.     function requestNextPage(link) {
  73.         console.log("request next");
  74.         console.log(link);
  75.         GM_xmlhttpRequest({
  76.             method: "GET",
  77.             url: link,
  78.             onload: function (response) {
  79.                 var el = document.getElementById('navcnt');
  80.                 el.parentNode.removeChild(el); //Deletes the navigation box
  81.                 
  82.                 var holder = document.createElement("div");
  83.                 holder.innerHTML = response.responseText;
  84.                 next_link = holder.querySelector("#pnnext").href;
  85.  
  86.                 var next_col = document.createElement("div");
  87.                 next_col.className = "EG_col";
  88.                 next_col.appendChild(holder.querySelector("#center_col"));
  89.  
  90.                 var rel_search = next_col.querySelector("#extrares");
  91.                 var rel_images = next_col.querySelector("#imagebox_bigimages");
  92.                 var rel_ads = next_col.querySelector("#tads");
  93.                 if (rel_search)
  94.                     rel_search.style.display = "none"; // NOTE: Hides repeating "related searches"
  95.                 if (rel_images)
  96.                     rel_images.style.display = "none"; // NOTE: Hides related images, that are broken (bug)
  97.                 if (rel_ads)
  98.                     rel_ads.style.display = "none"; // NOTE: Hides repeating "search results ad"
  99.  
  100.                 cols.push(next_col);
  101.                 console.log("Page no: " + cols.length);
  102.                 next_col.id = next_col.className + "_" + (cols.length - 1); // NOTE: add unique id for every new col
  103.  
  104.                 if (!rcnt || cols.length === 1) // NOTE: needs to be rechecked on a state reset too, and late insertation of element on google instant
  105.                     rcnt = document.getElementById("rcnt");
  106.                 rcnt.appendChild(next_col);
  107.                 stop_events = false;
  108.                 window.addEventListener(event_type, onScroll, false);
  109.             }
  110.         });
  111.  
  112.     }
  113.  
  114.     function onScroll(e) {
  115.         var y = window.scrollY;
  116.         // if (scroll_events === 0) old_scrollY = y; // stops only if scroll position was on 2. page
  117.         var delta = e.deltaY || y - old_scrollY; // NOTE: e.deltaY for "wheel" event
  118.         if (delta > 0 && (window.innerHeight + y) >= (document.body.clientHeight - (window.innerHeight * request_pct))) {
  119.             console.log("scroll end");
  120.             window.removeEventListener(event_type, onScroll, false);
  121.  
  122.             try {
  123.                 if(!stop_events){
  124.                     stop_events = true;
  125.                     requestNextPage(next_link || document.getElementById("pnnext").href);
  126.                 }
  127.             } catch (err) {
  128.                 console.error(err.name + ": " + err.message);
  129.                 // NOTE: recovery unnecessary, input event handles it with reset on new search
  130.             }
  131.         }
  132.         old_scrollY = y;
  133.         scroll_events += 1;
  134.     }
  135.  
  136.     // NOTE: Resets the script state on a new search
  137.     function reset() {
  138.         if (input.value !== input_value) {
  139.             input_value = input.value;
  140.             window.scrollTo(0, 0);
  141.             for (var i = 0; i < cols.length; i++)
  142.                 rcnt.removeChild(cols[i]);
  143.             cols = [];
  144.             next_link = null;
  145.             old_scrollY = 0;
  146.             scroll_events = 0;
  147.             console.log("RESET");
  148.             }
  149.     }
  150.  
  151.     console.log("egoogle.js initialized");
  152. });
  153. console.log("egoogle.js loaded");
  154.  
  155. // The related searches are a bit jarring because they mix in with the search results.
  156. // So we give them a light grey background, so are visually distinguishable
  157. GM_addStyle("#extrares { border: 1px solid #ececec; border-radius: 5px; background: #fafafa; margin-bottom: 24px; });
  158. // Lets also reduce the rather large top and bottom padding on this box
  159. GM_addStyle("#brs { margin-bottom: 20px }");
  160. GM_addStyle("#brs > * { margin-top: 26px }");