EH – Page Scrobbler

Visualize GID and add the ability to easily jump or scrobble

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         EH – Page Scrobbler
// @namespace    fabulous.cupcake.jp.net
// @version      2022.11.03.1
// @description  Visualize GID and add the ability to easily jump or scrobble
// @author       FabulousCupcake
// @license      MIT
// @runat        document-start
// @include      /https?:\/\/(e-|ex)hentai\.org\/.*/
// ==/UserScript==

const stylesheet = `

.search-scrobbler {
  width: 800px;
  outline: 1px cyan dashed;
  margin: 0 auto;
  padding: 20px 0 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.5em;
}

.search-scrobbler .bar {
  display: block;
  width: 800px;
  height: 25px;
  border: 1px solid red;
  box-sizing: border-box;
  position: relative;
}

.search-scrobbler .bar .bar-cursor {
  width: 1px;
  height: 100%;
  background: #0f0;
}

.search-scrobbler .bar-wrapper {
  display: flex;
  flex-direction: column;
}

.search-scrobbler .bar-labels {
  width: 100%;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
}

.search-scrobbler .bar-hover {
  display: block;
  width: 1px;
  height: 100%;
  background: #f0f;
  position: absolute;
}

.search-scrobbler .bar-hovertext {
  position: absolute;
  outline: 1px solid #f0f;
  top: -1.5em;
}

.search-scrobbler,
.search-scrobbler * {
  outline: 0px none !important;
}

`;

const injectStylesheet = () => {
    const stylesheetEl = document.createElement("style");
    stylesheetEl.innerHTML = stylesheet;
    document.body.appendChild(stylesheetEl);
}

const hasGalleryListTable = () => {
  return !!document.querySelector(".itg.gltm");
}

const tryUpdateKnownMaxGID = GID => {
  const url = new URL(location.href);
  if (url.pathname !== "/") return;
  if (url.search !== "") return;

  const maxGID = document.querySelector(".itg tr:nth-child(2) .glname a").href.match(/\/(\d+)\//)?.[1];
  localStorage.setItem("EHPS-maxGID", maxGID);
}

const addPageScrobbler = () => {
  const insertInitialElement = () => {
    const hook = document.querySelector(".searchnav");

    const maxGID = localStorage.getItem("EHPS-maxGID");
    let cursorGID = new URL(location.href).searchParams.get("next");
    if (!cursorGID) {
      // No searchparams, use last row in page
      cursorGID = document.querySelector(".itg tr:last-child .glname a").href.match(/\/(\d+)\//)?.[1];
    }

    const cursorLeftMargin = cursorGID / maxGID * 100;

    const el = `
<div class="search-scrobbler">
  <div class="bar-wrapper bar-full">
    <div class="bar">
      <div class="bar-cursor" style="margin-left: ${cursorLeftMargin}%">${cursorGID}</div>
    </div>
    <div class="bar-labels">
      <div class="bar-min">1</div>
      <div class="bar-max">${maxGID}</div>
    </div>
  </div>
</div>`;
    hook.insertAdjacentHTML("beforebegin", el);
  }

  const addEventListeners = () => {
    const addHoverElement = offset => {
      /* This may happen because bar-hover kinda blocking and screws up the offsetX value */
      /* We need it for the link though */
      if (offset <2) return;

      document.querySelector(".bar-hover")?.remove();

      const maxGID = localStorage.getItem("EHPS-maxGID");
      const width = 800;
      const hoverGID = (offset / 800 * maxGID).toFixed(0);

      const url = new URL(location.href);
      url.searchParams.set("next", hoverGID);

      const hook = document.querySelector(".bar-full .bar");
      const el = `
<a class="bar-hover" href="${url}" style="left: ${offset}px;">
  <div class="bar-hovertext">${hoverGID}</div>
</a>`;
      
      hook.insertAdjacentHTML("afterbegin", el);
    }

    const handler = e => {
      addHoverElement(e.offsetX);
    }

    const el = document.querySelector(".bar-full .bar");
    el.addEventListener("mousemove", handler);
  }

  insertInitialElement();
  addEventListeners();
}

const main = () => {
  if (!hasGalleryListTable()) return;
  tryUpdateKnownMaxGID();
  injectStylesheet();
  addPageScrobbler();
}

main();