Youtube Related Video Ratings

Shows ratings of related videos on Youtube, and changes ratings bar back to green/red.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name        Youtube Related Video Ratings
// @description Shows ratings of related videos on Youtube, and changes ratings bar back to green/red.
// @namespace   https://greasyfork.org/users/2329-killerbadger
// @version     0.1.2
// @match       http://www.youtube.com/*
// @match       https://www.youtube.com/*
// ==/UserScript==

/* Borrowed/adapted code from YouTube Link Cleaner by tfr
 * "Dieses Skript steht unter CC0 / This script is licensed under CC0:
 * http://creativecommons.org/publicdomain/zero/1.0/deed.de
 * http://creativecommons.org/publicdomain/zero/1.0/deed.en" */
LinkCount = 0;
function ChangeLinks() {
  if(LinkCount != window.document.links.length) {
    for (var i = 0; i < window.document.links.length; i++) {
      /* Do not use redirect pages, disable AJAX on links */
      window.document.links[i].className = window.document.links[i].className.replace(/(yt-uix-redirect-link|spf-link)/g, "");
    }
    LinkCount = window.document.links.length;
  }
}
ChangeLinks();
window.setInterval(ChangeLinks, 1000);
/* End of borrowed/adapted code */

GM_addStyle(".video-time { margin-bottom: 4px;} .yt-uix-simple-thumb-related > img {margin-bottom: -27px !important;} a.related-video { padding-bottom: 11px !important; margin-bottom: -11px !important; } .lsLines { opacity: 0; } .lsLines:hover { opacity: .6; } .channels-browse-content-grid .channels-content-item { height: 167px } .yt-thumb-default-288 + span + button + div > .lsLines { background-size: 288px 4px; } .yt-thumb-default-194 + span + button + div > .lsLines { background-size: 194px 4px; } .yt-thumb-default-185 + span + button + div > .lsLines, .yt-thumb-feed-185 + span + span + div .lsLines { background-size: 185px 4px; } .yt-thumb-default-160 + img + span + div > .lsLines { background-size: 160px 4px; } .yt-thumb-default-40 + span + span + span + span + div .lsLines { background-size: 157px 4px; } .yt-thumb-default-106 + span + button + div > .lsLines { background-size: 106px 4px; } .yt-thumb-default-138 + span + button + div > .lsLines { background-size: 138px 4px; } .yt-thumb-default-120 + span + button + div > .lsLines, .yt-thumb-default-224 + span + div > .lsLines { background-size: 120px 4px; } .yt-thumb-default-76 + span + span + span + div .lsLines { background-size: 76px 4px; } .yt-thumb-default-64 + div > .lsLines { background-size: 64px 4px; } .feed-item-thumb.watched .ux-thumb-wrap {opacity: 1 !important;} .ux-thumb {background-color: white !important;} .feed-item-thumb.watched .ux-thumb-wrap img {opacity: .4 !important;} .feed-item-thumb.watched .ux-thumb-wrap img:hover {opacity: 1 !important;} .feed-thumb-watched {opacity: .5 !important;} .video-response .video-extras-sparkbarks {width: 26% !important;} .video-extras-sparkbar-likes {border-right: 0px !important}");

if (document.getElementById("watch7-views-info")) {
document.getElementsByClassName("video-extras-sparkbar-likes")[0].style.background = "#0b2";
document.getElementsByClassName("video-extras-sparkbar-dislikes")[0].style.background = "#C00";
}
var loaded = {};
var containerName="yt-thumb-default";
var containerName2="video-time";
loaded[""] = true;
window.addEventListener (
    'scroll',
    function (e) {
      iterateClips(document.getElementsByClassName(containerName));
      iterateClips(document.getElementsByClassName(containerName2));
    },
    false);
var wm = document.getElementById("watch-more-related");
if (wm) {
  // On "Load More Suggestions" button click
  wm.addEventListener (
    'DOMNodeInserted',
    function (e) {
      iterateClips(e.target.getElementsByClassName(containerName));
      iterateClips(e.target.getElementsByClassName(containerName2));
    },
    false);
}

// starts here 
iterateClips(document.getElementsByClassName(containerName));
iterateClips(document.getElementsByClassName(containerName2));

function iterateClips(clips)
{
  if (clips)
  {
    for (var i=0; i<clips.length; ++i) 
      if (isVisible(clips[i])) 
        requestRating(clips[i]);
  } 
}

function requestRating(box)
{ 
  var id = getVideoId(box);

  if (loaded[id])
    return;

  loaded[id] = true;
  setTimeout( function() {
    GM_xmlhttpRequest({
      method: 'GET',
      url: "http://gdata.youtube.com/feeds/api/videos/" + id + "?v=2&alt=json&fields=yt:rating",
      onload: function(response) 
      {
        if (response.status == 200) 
        {
          var rsp = eval( '(' + response.responseText + ')' );
          if (rsp && rsp.entry && rsp.entry.yt$rating)
            attachBar(box, parseInt(rsp.entry.yt$rating.numLikes),
                           parseInt(rsp.entry.yt$rating.numDislikes));
        } 
        else
          delete loaded[id]; // give it a chance to reload while scrolling 
      }
    });
  }, 0);
}

function getVideoId(box)
{
  var anchor=box.parentNode.parentNode;
  var isAnchorFound = 2;
  while (anchor && anchor.tagName != undefined) 
  {
    if (anchor.tagName.toLowerCase()=="a")
      break;
    anchor = anchor.parentNode; 
    --isAnchorFound;
    if (0==isAnchorFound)
      break;
  }
  if ( isAnchorFound>0 )
  {
    var href = anchor.getAttribute("href");
    if (href)
    {
      var id = href.replace(/.*v=([^&]*).*/, "$1");
      if (id.length<href.length) 
        return id;
    }
  }
  return "";
}
function attachBar(videoThumb, likes, dislikes) 
{
  var total = likes + dislikes;

  if (total > 0)
  {
    var ratingDiv = document.createElement("div");
    ratingDiv.setAttribute("class", "video-extras-sparkbarks");
    ratingDiv.setAttribute("style", "position: relative; top: 1px;" );
    ratingDiv.setAttribute("title",  likes + " likes, " + dislikes + " dislikes");

    var likesDiv = document.createElement("div");
    likesDiv.setAttribute("class", "video-extras-sparkbar-likes"); 
    likesDiv.setAttribute("style", "height: 4px; width: "+(100*likes)/total+"%; background: #0b2;"); 

    var dislikesDiv = document.createElement("div");
    dislikesDiv.setAttribute("class", "video-extras-sparkbar-dislikes"); 
    dislikesDiv.setAttribute("style", "height: 4px; width: "+(100*dislikes)/total+"%;"+"background: #C00;"); 

    ratingDiv.appendChild(likesDiv);
    ratingDiv.appendChild(dislikesDiv);
    videoThumb.parentNode.parentNode.appendChild(ratingDiv);
    videoThumb.parentNode.appendChild(ratingDiv);
      //videoThumb.appendChild(ratingDiv);

    // fixing time element position to be inside of the thumb image
    var spans = videoThumb.parentNode.parentNode.getElementsByTagName("span");
    for (var i=0; i<spans.length; ++i )
      if (spans[i].getAttribute("class")=="video-time")
      {
        spans[i].style.bottom = "6px";
        break;
      }
  }
}

function isVisible ( el )
{
  var top = el.offsetTop;
  var left = el.offsetLeft;
  var width = el.offsetWidth;
  var height = el.offsetHeight;

  while(el.offsetParent) {
    el = el.offsetParent;
    top += el.offsetTop;
    left += el.offsetLeft;
  }
  return (
    top < (window.pageYOffset + window.innerHeight) &&
    left < (window.pageXOffset + window.innerWidth) &&
    (top + height) > window.pageYOffset &&
    (left + width) > window.pageXOffset
  );
}