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pornolab torrentPreview

Allows to display torrent's poster image as preview on search page when hover over link

Este script no debería instalarse directamente. Es una biblioteca que utilizan otros scripts mediante la meta-directiva de inclusión // @require https://update.sleazyfork.org/scripts/412272/853145/pornolab%20torrentPreview.js 

// ==UserScript==
// @name         pornolab torrentPreview
// @version      1.0.0
// @author       ducklover
// @description  Allows to display torrent's poster image as preview on search page when hover over link
// @copyright    2020, ducklover (https://openuserjs.org/users/ducklover)
// @include      /^https?:\/\/pornolab\.net\/forum\/(tracker|viewforum).*/
// @license      MIT
// @run-at       document-end
// ==/UserScript==

function getPic(e) {
  if (
    (e.target.classList.contains("tLink") ||
      e.target.classList.contains("tt-text")) &&
    !e.target.querySelector(".customImg")
  ) {
    let url =
      "https://pornolab.net/forum" + e.target.getAttribute("href").slice(1);

    let r = new XMLHttpRequest();
    r.open("GET", url, false);
    r.send();

    let imgSrc = new DOMParser()
      .parseFromString(r.responseText, "text/html")
      .querySelector(".postImg").title;

    let div = document.createElement("div");
    div.style.cssText = `position: absolute; 
		                     width: 460px; 
							 height: 300px; 
							 left: 0; 
							 z-index: 10;`;

    e.clientY < 300 ? (div.style.bottom = "auto") : (div.style.bottom = "100%");
    div.className = "customImg";

    let img = document.createElement("img");
    img.setAttribute("src", imgSrc);
    img.style.cssText = `width: 100%;
		                     height: 100%;
							 object-fit: contain;`;

    div.appendChild(img);

    e.target.style.position = "relative";
    e.target.appendChild(div);
  } else if (
    (e.target.classList.contains("tLink") ||
      e.target.classList.contains("tt-text")) &&
    e.target.querySelector(".customImg")
  ) {
    e.target.querySelector(".customImg").style.display = "block";

    if (e.clientY < 300) {
      e.target.querySelector(".customImg").style.bottom = "auto";
    } else {
      e.target.querySelector(".customImg").style.bottom = "100%";
    }
  }
}

function hidePic(e) {
  if (
    (e.target.classList.contains("tLink") ||
      e.target.classList.contains("tt-text")) &&
    e.target.querySelector(".customImg")
  ) {
    e.target.querySelector(".customImg").style.display = "none";
  }
}

window.addEventListener("mouseover", getPic);
window.addEventListener("mouseout", hidePic);