MediaZipper

Download images, audio, and video files from a webpage into a ZIP file with filters and draggable UI panel.

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         MediaZipper
// @license      MIT
// @namespace    http://tampermonkey.net/
// @version      1.3
// @description  Download images, audio, and video files from a webpage into a ZIP file with filters and draggable UI panel.
// @author       Kanha Pise
// @match        *://*/*
// @grant        none
// @require      https://cdnjs.cloudflare.com/ajax/libs/jszip/3.10.1/jszip.min.js
// @require      https://cdnjs.cloudflare.com/ajax/libs/FileSaver.js/2.0.5/FileSaver.min.js
// ==/UserScript==

(function waitForLibraries() {
    if (typeof JSZip === 'undefined' || typeof window.saveAs === 'undefined') {
        console.log('Waiting for JSZip and FileSaver...');
        setTimeout(waitForLibraries, 100);
        return;
    }

    (function () {
        'use strict';

        const panel = document.createElement('div');
        panel.style.cssText = `
            position: fixed;
            top: 20px;
            right: 20px;
            width: 220px;
            background: white;
            border: 1px solid #ccc;
            padding: 10px;
            z-index: 9999;
            box-shadow: 0 0 10px rgba(0,0,0,0.3);
            font-family: sans-serif;
        `;
        panel.innerHTML = `
            <div id="mz-header" style="cursor: move; font-weight: bold; margin-bottom: 5px;">📦 MediaZipper</div>
            <div id="mz-body">
                <label><input type="checkbox" id="filterJPG" checked> .jpg</label><br>
                <label><input type="checkbox" id="filterPNG" checked> .png</label><br>
                <label><input type="checkbox" id="filterMP3" checked> .mp3</label><br>
                <label><input type="checkbox" id="filterMP4" checked> .mp4</label><br>
                <button id="downloadBtn" style="margin-top: 8px; width: 100%;">Download ZIP</button>
                <div id="progress" style="margin-top: 10px; display: none;">
                    <progress id="progressBar" value="0" max="100" style="width: 100%;"></progress>
                    <span id="progressText">0%</span>
                </div>
            </div>
            <button id="toggleBtn" style="margin-top: 5px; width: 100%;">Collapse</button>
        `;
        document.body.appendChild(panel);

        // Draggable Panel
        const header = document.getElementById('mz-header');
        let isDragging = false, offsetX, offsetY;

        header.addEventListener('mousedown', function (e) {
            isDragging = true;
            offsetX = e.clientX - panel.offsetLeft;
            offsetY = e.clientY - panel.offsetTop;
            e.preventDefault();
        });

        document.addEventListener('mousemove', function (e) {
            if (isDragging) {
                panel.style.left = `${e.clientX - offsetX}px`;
                panel.style.top = `${e.clientY - offsetY}px`;
            }
        });

        document.addEventListener('mouseup', function () {
            isDragging = false;
        });

        // Toggle Collapse
        const toggleBtn = document.getElementById('toggleBtn');
        const body = document.getElementById('mz-body');
        toggleBtn.onclick = function () {
            const hidden = body.style.display === 'none';
            body.style.display = hidden ? 'block' : 'none';
            toggleBtn.textContent = hidden ? 'Collapse' : 'Expand';
        };

        // Main ZIP download function (Promise-based)
        function fetchAndZipMedia() {
            const zip = new JSZip();
            const filters = {
                jpg: document.getElementById('filterJPG').checked,
                png: document.getElementById('filterPNG').checked,
                mp3: document.getElementById('filterMP3').checked,
                mp4: document.getElementById('filterMP4').checked
            };

            const mediaElements = Array.from(document.querySelectorAll('img[src], audio[src], video[src], source[src]'));
            const mediaSrcs = new Set();

            const progress = document.getElementById('progress');
            const progressBar = document.getElementById('progressBar');
            const progressText = document.getElementById('progressText');
            progress.style.display = 'block';

            let completed = 0;
            let addedCount = 0;

            function updateProgress() {
                const percent = Math.round((completed / mediaElements.length) * 100);
                progressBar.value = percent;
                progressText.textContent = percent + '%';
            }

            const fetchPromises = mediaElements.map(function (el) {
                let src = el.src || el.currentSrc || el.getAttribute('src');
                if (!src || mediaSrcs.has(src)) {
                    completed++;
                    updateProgress();
                    return Promise.resolve(); // Skip duplicate or empty src
                }
                mediaSrcs.add(src);

                const ext = src.split('.').pop().split('?')[0].toLowerCase();
                if ((ext === 'jpg' && !filters.jpg) ||
                    (ext === 'png' && !filters.png) ||
                    (ext === 'mp3' && !filters.mp3) ||
                    (ext === 'mp4' && !filters.mp4)) {
                    completed++;
                    updateProgress();
                    return Promise.resolve();
                }

                return fetch(src, { mode: 'cors' }).then(function (res) {
                    return res.blob();
                }).then(function (blob) {
                    const filename = decodeURIComponent(src.split('/').pop().split('?')[0]).replace(/[\\/:*?"<>|]/g, '_');
                    zip.file(filename, blob);
                    addedCount++;
                }).catch(function (err) {
                    console.warn('Failed to fetch:', src, err);
                }).finally(function () {
                    completed++;
                    updateProgress();
                });
            });

            Promise.all(fetchPromises).then(function () {
                if (addedCount === 0) {
                    alert("No media files matched the selected filters or were blocked by CORS.");
                    progress.style.display = 'none';
                    return;
                }
                zip.generateAsync({ type: 'blob' }).then(function (content) {
                    window.saveAs(content, 'media.zip');
                    progress.style.display = 'none';
                }).catch(function (err) {
                    alert("Failed to generate ZIP file.");
                    console.error(err);
                    progress.style.display = 'none';
                });
            });
        }

        document.getElementById('downloadBtn').addEventListener('click', fetchAndZipMedia);
    })();
})();