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YouTube Embed Overlay

Instantly open YouTube links in an embedded iframe overlay player

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         YouTube Embed Overlay
// @namespace    WW91VHViZSBFbWJlZCBPdmVybGF5
// @version      1.2
// @description  Instantly open YouTube links in an embedded iframe overlay player
// @author       smed79
// @license      GPLv3
// @icon         https://i25.servimg.com/u/f25/11/94/21/24/ytl2eo11.png
// @match        https://*/*
// @exclude      https://*.youtube.com/*
// @grant        none
// ==/UserScript==

(function () {
    'use strict';

    // Regex to detect YouTube video IDs in links
    const ytRegex = /(?:https?:\/\/)?(?:m|www\.)?(?:youtube\.com\/watch\?v=|youtube\.com\/embed\/|youtu\.be\/(?:watch\?v=)?|youtube-nocookie\.com\/embed\/|youtube\.com\/shorts\/)([a-zA-Z0-9_-]{11})/;

    // Disable autoplay in site embeds
    function disableAutoplayInEmbeds() {
        document.querySelectorAll('iframe[src*="youtube.com/embed"]').forEach(iframe => {
            iframe.src = iframe.src.replace(/(\?|&)autoplay=1/, '');
        });
    }
    disableAutoplayInEmbeds();
    new MutationObserver(disableAutoplayInEmbeds).observe(document.body, { childList: true, subtree: true });

    // Suppress site popups if they try to open YouTube videos
    document.addEventListener('click', e => {
        const trigger = e.target.closest('.mfp-link, .fancybox, [data-fancybox]');
        if (trigger) {
            const href = trigger.getAttribute('href') || trigger.dataset.src || '';
            if (ytRegex.test(href)) {
                e.preventDefault();
                e.stopImmediatePropagation();
                e.stopPropagation();

                console.log('YouTube popup suppressed, userscript overlay will show instead');
                const match = href.match(ytRegex);
                if (match) createOverlay(match[1]);
            }
        }
    }, true); // capture phase ensures this runs before site handlers

    // Create overlay with YouTube iframe
    function createOverlay(videoId) {
        const overlay = document.createElement('div');
        overlay.id = 'yt-embed-overlay';
        overlay.style.position = 'fixed';
        overlay.style.top = '0';
        overlay.style.left = '0';
        overlay.style.width = '100vw';
        overlay.style.height = '100vh';
        overlay.style.backdropFilter = 'blur(8px)';
        overlay.style.backgroundColor = 'rgba(0, 0, 0, 0.3)';
        overlay.style.zIndex = '9999';
        overlay.style.display = 'flex';
        overlay.style.justifyContent = 'center';
        overlay.style.alignItems = 'center';
        overlay.style.flexDirection = 'column';
        overlay.style.cursor = 'pointer';

        // YouTube iframe with autoplay enabled
        const iframe = document.createElement('iframe');
        iframe.src = `https://www.youtube-nocookie.com/embed/${videoId}?autoplay=1&mute=0&cc_load_policy=0&cc_lang_pref=en&hl=en-us&iv_load_policy=3&rel=0&enablejsapi=1`;
        iframe.style.width = '98vw';
        iframe.style.height = `${(98 / 16) * 9}vw`;
        iframe.style.border = '1px solid #f00';
        iframe.allow = 'autoplay; encrypted-media';
        iframe.allowFullscreen = true;
        iframe.onclick = (e) => e.stopPropagation();

        // Close button with inline SVG icon
        const closeBtn = document.createElement('button');
        closeBtn.style.position = 'absolute';
        closeBtn.style.top = '12px';
        closeBtn.style.right = '12px';
        closeBtn.style.background = 'rgba(0, 0, 0, 0.5)';
        closeBtn.style.border = 'none';
        closeBtn.style.cursor = 'pointer';
        closeBtn.style.width = '2.6rem';
        closeBtn.style.height = '2.6rem';
        closeBtn.style.borderRadius = '50%';
        closeBtn.style.padding = '0';
        closeBtn.style.display = 'flex';
        closeBtn.style.justifyContent = 'center';
        closeBtn.style.alignItems = 'center';
        closeBtn.style.transition = 'all 0.3s ease';

        closeBtn.innerHTML = `
          <svg xmlns="http://www.w3.org/2000/svg" width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="#ffc" stroke-width="4" stroke-linecap="round" stroke-linejoin="round">
            <line x1="18" y1="6" x2="6" y2="18"></line>
            <line x1="6" y1="6" x2="18" y2="18"></line>
          </svg>
        `;

        // Hover effects
        closeBtn.addEventListener('mouseenter', () => {
            closeBtn.style.border = '1px solid #f00';
            closeBtn.style.background = 'rgba(0, 0, 0, 0.8)';
            closeBtn.style.transform = 'scale(1.2)';
        });
        closeBtn.addEventListener('mouseleave', () => {
            closeBtn.style.background = 'rgba(0, 0, 0, 0.5)';
            closeBtn.style.transform = 'scale(1)';
        });
        closeBtn.onclick = (e) => {
            e.stopPropagation();
            overlay.remove();
        };

        // Close overlay when clicking outside iframe
        overlay.onclick = (e) => {
            if (e.target === overlay) overlay.remove();
        };

        // Close overlay with Escape key
        document.addEventListener('keydown', function escHandler(e) {
            if (e.key === 'Escape') {
                const el = document.getElementById('yt-embed-overlay');
                if (el) el.remove();
            }
        });

        overlay.appendChild(iframe);
        overlay.appendChild(closeBtn);
        document.body.appendChild(overlay);
    }

    // Attach listeners to YouTube links
    function attachListeners() {
        document.querySelectorAll('a[href]').forEach(link => {
            if (link.dataset.ytEmbedBound) return;
            const match = link.href.match(ytRegex);
            if (match) {
                link.addEventListener('click', function (e) {
                    e.preventDefault();
                    e.stopImmediatePropagation();
                    e.stopPropagation();
                    createOverlay(match[1]);
                });
                link.dataset.ytEmbedBound = 'true';
            }
        });
    }

    attachListeners();
    const observer = new MutationObserver(attachListeners);
    observer.observe(document.body, { childList: true, subtree: true });
})();