@BMmini

Telegtam Video DL

Tento skript by neměl být instalován přímo. Jedná se o knihovnu, kterou by měly jiné skripty využívat pomocí meta příkazu // @require https://update.sleazyfork.org/scripts/591220/1901744/%40BMmini.js

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

You will need to install an extension such as Tampermonkey or Violentmonkey 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         Telegram Web K Video Downloader
// @namespace    https://tampermonkey.net/
// @version      1.0
// @description  เพิ่มปุ่มดาวน์โหลดวิดีโอบน Telegram Web K (ดักจับไฟล์วิดีโอที่กำลังเล่น)
// @author       You
// @match        https://webk.telegram.org/*
// @grant        GM_download
// @grant        GM_xmlhttpRequest
// ==UserScript==

(function() {
    'use strict';

    // ฟังก์ชันสร้างปุ่มโหลด
    function createDownloadButton(videoElem) {
        if (videoElem.dataset.hasDlBtn) return;
        videoElem.dataset.hasDlBtn = "true";

        const btn = document.createElement('button');
        btn.innerText = '⬇️ โหลดวิดีโอนี้';
        btn.style.cssText = `
            position: absolute;
            top: 10px;
            right: 10px;
            z-index: 9999;
            background: #0088cc;
            color: white;
            border: none;
            padding: 8px 12px;
            border-radius: 6px;
            cursor: pointer;
            font-weight: bold;
            box-shadow: 0 2px 5px rgba(0,0,0,0.3);
        `;

        btn.addEventListener('click', async (e) => {
            e.stopPropagation();
            e.preventDefault();
            
            const src = videoElem.src || videoElem.currentSrc;
            if (!src) {
                alert('ไม่พบลิงก์วิดีโอ กรุณากดเล่นวิดีโอก่อนครับ');
                return;
            }

            btn.innerText = '⏳ กำลังเตรียมดาวน์โหลด...';

            try {
                // หากเป็น blob URL
                const response = await fetch(src);
                const blob = await response.blob();
                const blobUrl = URL.createObjectURL(blob);
                
                const a = document.createElement('a');
                a.href = blobUrl;
                a.download = `TG_Video_${Date.now()}.mp4`;
                document.body.appendChild(a);
                a.click();
                document.body.removeChild(a);
                URL.revokeObjectURL(blobUrl);

                btn.innerText = '✅ ดาวน์โหลดสำเร็จ';
                setTimeout(() => { btn.innerText = '⬇️ โหลดวิดีโอนี้'; }, 3000);
            } catch (err) {
                console.error(err);
                alert('เกิดข้อผิดพลาดในการดึงไฟล์วิดีโอ');
                btn.innerText = '❌ ล้มเหลว';
            }
        });

        // แปะปุ่มลงใน Container ของ Video
        const parent = videoElem.parentElement;
        if (parent) {
            parent.style.position = 'relative';
            parent.appendChild(btn);
        }
    }

    // ตรวจหาแท็ก <video> ในหน้าเว็บสม่ำเสมอ
    const observer = new MutationObserver(() => {
        const videos = document.querySelectorAll('video');
        videos.forEach(video => {
            if (video.src || video.currentSrc) {
                createDownloadButton(video);
            }
        });
    });

    observer.observe(document.body, { childList: true, subtree: true });
})();