R34 Thumbnail always active

Обложки видео всегда активны на всех страницах

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

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

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

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

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

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.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         R34 Thumbnail always active
// @namespace    http://tampermonkey.net/
// @version      2.3
// @description  Обложки видео всегда активны на всех страницах
// @author       Grok
// @match        https://rule34video.com/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=rule34video.com
// @grant        none
// @run-at       document-end
// ==/UserScript==

(function() {
    'use strict';

    // === НАСТРОЙКИ ===
    const DELAY_START     = 0;    // мс
    const BACKGROUND_PLAY = 1;    // 1 = играть всегда, 0 = только в зоне видимости
    const FIX_INTERVAL    = 3000; // мс
    const STUCK_THRESHOLD = 2;    // сек без прогресса → фикс
    // =================

    let started = false;
    let fixInterval;

    function activateTrailer(item) {
        const wrap = item.querySelector('.img.wrap_image');
        const img  = wrap?.querySelector('img.thumb');
        if (!wrap || !img || !wrap.hasAttribute('data-preview')) return;

        const previewUrl = wrap.getAttribute('data-preview');

        // Блокируем hover
        ['mouseenter','mouseover','mouseleave','mouseout'].forEach(evt => {
            item.addEventListener(evt, e => e.stopPropagation(), true);
        });

        // Удаляем старые видео (не наши)
        wrap.querySelectorAll('video').forEach(v => !v.hasAttribute('our-trailer') && v.remove());

        let video = wrap.querySelector('video[our-trailer]');
        if (video) {
            img.style.display = 'none';
            video.style.display = 'block';
            if (video.paused && (BACKGROUND_PLAY || isInViewport(item))) video.play().catch(()=>{});
            return;
        }

        // Создаём своё видео
        video = document.createElement('video');
        video.setAttribute('our-trailer', '1');
        video.src = previewUrl;
        video.loop = true;
        video.muted = true;
        video.playsInline = true;
        video.preload = 'metadata';
        video.style.cssText = 'position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;z-index:1;display:none;background:#000;pointer-events:none;';

        if (getComputedStyle(wrap).position === 'static') wrap.style.position = 'relative';
        wrap.appendChild(video);
        img.style.display = 'none';
        video.style.display = 'block';

        // Иконки поверх видео
        item.querySelectorAll('.sound, .quality, .time, .custom-play').forEach(el => el && (el.style.zIndex = '2'));

        // Метаданные для фикса зависаний
        video.lastTime = 0;
        video.stuckCheckTime = 0;

        video.addEventListener('canplay', () => {
            if (BACKGROUND_PLAY || isInViewport(item)) video.play().catch(()=>{});
        });

        video.addEventListener('timeupdate', () => {
            if (video.currentTime > video.lastTime + 0.1) {
                video.lastTime = video.currentTime;
                video.stuckCheckTime = Date.now();
            }
        });

        video.addEventListener('error', () => {
            setTimeout(() => { video.load(); if (BACKGROUND_PLAY || isInViewport(item)) video.play().catch(()=>{}); }, 1000);
        });

        if (BACKGROUND_PLAY === 0) {
            new IntersectionObserver(entries => {
                entries.forEach(e => e.isIntersecting ? video.play().catch(()=>{}) : video.pause());
            }, {threshold: 0.5}).observe(item);
        }

        if (BACKGROUND_PLAY || isInViewport(item)) video.play().catch(()=>{});
    }

    function isInViewport(el) {
        const r = el.getBoundingClientRect();
        return r.top < window.innerHeight && r.bottom > 0 && r.left < window.innerWidth && r.right > 0;
    }

    function processAll() {
        // Универсальный селектор — работает и на старом, и на новом гриде
        const items = document.querySelectorAll('.item.thumb');
        items.forEach(item => {
            const wrap = item.querySelector('.img.wrap_image');
            if (wrap && wrap.hasAttribute('data-preview') && !wrap.querySelector('video[our-trailer]')) {
                activateTrailer(item);
            }
        });
    }

    function fixStuckVideos() {
        if (!started) return;
        document.querySelectorAll('video[our-trailer]').forEach(video => {
            if (video.ended || video.paused) {
                if (BACKGROUND_PLAY || isInViewport(video.closest('.item.thumb'))) video.play().catch(()=>{});
                return;
            }

            const now = Date.now();
            if (!video.stuckCheckTime) video.stuckCheckTime = now;

            if (now - video.stuckCheckTime > STUCK_THRESHOLD * 1000 && video.currentTime === video.lastTime) {
                console.log('Fix stuck:', video.src);
                video.currentTime = 0;
                video.load();
                setTimeout(() => video.play().catch(()=>{}), 100);
            } else {
                video.stuckCheckTime = now;
            }
        });
    }

    function start() {
        if (started) return;
        started = true;
        processAll();
        fixInterval = setInterval(fixStuckVideos, FIX_INTERVAL);
    }

    setTimeout(start, DELAY_START);

    // Ранний старт при любом действии
    ['scroll','click','keydown'].forEach(ev => document.addEventListener(ev, start, {once: true, passive: true}));

    // Поддержка бесконечного скролла и AJAX-подгрузки
    new MutationObserver(muts => {
        if (started && muts.some(m => m.addedNodes.length)) setTimeout(processAll, 300);
    }).observe(document.body, {childList: true, subtree: true});

    // Lazy-load события
    document.addEventListener('lazyloaded', () => started && setTimeout(processAll, 100), true);

    console.log('R34 Trailer Always Active v2.3 — запущен (работает на поиске)');
})();