Twitter Media Gallery Slideshow with Timer

Extract images from Twitter media and play slideshow with controls and countdown timer

Version au 12/07/2025. Voir la dernière version.

Vous devrez installer une extension telle que Tampermonkey, Greasemonkey ou Violentmonkey pour installer ce script.

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

Vous devrez installer une extension telle que Tampermonkey ou Violentmonkey pour installer ce script.

Vous devrez installer une extension telle que Tampermonkey ou Userscripts pour installer ce script.

Vous devrez installer une extension telle que Tampermonkey pour installer ce script.

Vous devrez installer une extension de gestionnaire de script utilisateur pour installer ce script.

(J'ai déjà un gestionnaire de scripts utilisateur, laissez-moi l'installer !)

Vous devrez installer une extension telle que Stylus pour installer ce style.

Vous devrez installer une extension telle que Stylus pour installer ce style.

Vous devrez installer une extension telle que Stylus pour installer ce style.

Vous devrez installer une extension du gestionnaire de style pour utilisateur pour installer ce style.

Vous devrez installer une extension du gestionnaire de style pour utilisateur pour installer ce style.

Vous devrez installer une extension du gestionnaire de style pour utilisateur pour installer ce style.

(J'ai déjà un gestionnaire de style utilisateur, laissez-moi l'installer!)

// ==UserScript==
// @name         Twitter Media Gallery Slideshow with Timer
// @namespace    http://tampermonkey.net/
// @version      1.4
// @description  Extract images from Twitter media and play slideshow with controls and countdown timer
// @author       pshot
// @match        https://twitter.com/*
// @match        https://x.com/*
// @grant        none
// @license MIT
// ==/UserScript==

(function () {
    'use strict';

    let slideshowOverlay = null;
    let slideshowImages = [];
    let currentIndex = 0;
    let slideshowInterval = null;
    let countdownInterval = null;
    let countdownSeconds = 10;

    // Extract full-size image URLs from Twitter media gallery
    function extractImageUrls() {
        const seen = new Set();
        const images = [];

        const imgElements = document.querySelectorAll('img[src*="pbs.twimg.com/media/"]');

        imgElements.forEach(img => {
            const src = img.src;
            const baseUrl = src.split('?')[0];
            if (!seen.has(baseUrl)) {
                seen.add(baseUrl);
                const fullUrl = baseUrl + '?format=jpg&name=large';
                images.push(fullUrl);
            }
        });

        return images;
    }

    // Create and show slideshow overlay
    function showSlideshow(images) {
        if (images.length === 0) {
            alert('No images found!');
            return;
        }

        if (slideshowOverlay) {
            slideshowOverlay.remove();
            clearInterval(slideshowInterval);
            clearInterval(countdownInterval);
        }

        slideshowImages = images;
        currentIndex = 0;
        countdownSeconds = 10;

        slideshowOverlay = document.createElement('div');
        slideshowOverlay.style.position = 'fixed';
        slideshowOverlay.style.top = '0';
        slideshowOverlay.style.left = '0';
        slideshowOverlay.style.width = '100vw';
        slideshowOverlay.style.height = '100vh';
        slideshowOverlay.style.backgroundColor = 'rgba(0,0,0,0.9)';
        slideshowOverlay.style.display = 'flex';
        slideshowOverlay.style.alignItems = 'center';
        slideshowOverlay.style.justifyContent = 'center';
        slideshowOverlay.style.flexDirection = 'column';
        slideshowOverlay.style.zIndex = '100000';

        // Image element
        const img = document.createElement('img');
        img.src = slideshowImages[currentIndex];
        img.style.maxWidth = '90%';
        img.style.maxHeight = '90%';
        img.style.borderRadius = '10px';
        img.style.boxShadow = '0 0 20px rgba(255, 255, 255, 0.7)';
        slideshowOverlay.appendChild(img);

        // Countdown timer display
        const timerDisplay = document.createElement('div');
        timerDisplay.style.color = 'white';
        timerDisplay.style.fontSize = '18px';
        timerDisplay.style.marginTop = '10px';
        timerDisplay.style.fontFamily = 'Arial, sans-serif';
        timerDisplay.textContent = `Next image in: ${countdownSeconds} seconds`;
        slideshowOverlay.appendChild(timerDisplay);

        // Close button
        const closeBtn = document.createElement('button');
        closeBtn.innerText = '✕';
        closeBtn.style.position = 'fixed';
        closeBtn.style.top = '20px';
        closeBtn.style.right = '20px';
        closeBtn.style.fontSize = '30px';
        closeBtn.style.background = 'transparent';
        closeBtn.style.color = 'white';
        closeBtn.style.border = 'none';
        closeBtn.style.cursor = 'pointer';
        closeBtn.style.zIndex = '100001';
        closeBtn.title = 'Close Slideshow';
        closeBtn.addEventListener('click', () => {
            clearInterval(slideshowInterval);
            clearInterval(countdownInterval);
            slideshowOverlay.remove();
            slideshowOverlay = null;
        });
        slideshowOverlay.appendChild(closeBtn);

        // Navigation functions
        function showImage(index) {
            currentIndex = (index + slideshowImages.length) % slideshowImages.length;
            img.src = slideshowImages[currentIndex];
        }

        function nextImage() {
            showImage(currentIndex + 1);
            countdownSeconds = 10;
            timerDisplay.textContent = `Next image in: ${countdownSeconds} seconds`;
        }

        function prevImage() {
            showImage(currentIndex - 1);
            countdownSeconds = 10;
            timerDisplay.textContent = `Next image in: ${countdownSeconds} seconds`;
        }

        // Keyboard controls
        function keyHandler(e) {
            if (!slideshowOverlay) return;

            if (e.key === 'ArrowRight') {
                nextImage();
                resetInterval();
            } else if (e.key === 'ArrowLeft') {
                prevImage();
                resetInterval();
            } else if (e.key === 'Escape') {
                closeBtn.click();
            }
        }

        document.addEventListener('keydown', keyHandler);

        // Auto-advance every 10 seconds
        function resetInterval() {
            clearInterval(slideshowInterval);
            clearInterval(countdownInterval);
            countdownSeconds = 10;
            timerDisplay.textContent = `Next image in: ${countdownSeconds} seconds`;

            slideshowInterval = setInterval(nextImage, 10000);

            countdownInterval = setInterval(() => {
                countdownSeconds--;
                if (countdownSeconds < 0) countdownSeconds = 0;
                timerDisplay.textContent = `Next image in: ${countdownSeconds} seconds`;
            }, 1000);
        }
        resetInterval();

        document.body.appendChild(slideshowOverlay);
    }

    // Add control button to page
    function addButton() {
        if (document.getElementById('extract-images-btn')) return;

        const btn = document.createElement('button');
        btn.innerText = 'Start Twitter Slideshow';
        btn.id = 'extract-images-btn';
        btn.style.position = 'fixed';
        btn.style.top = '10px';
        btn.style.right = '10px';
        btn.style.zIndex = '9999';
        btn.style.padding = '10px';
        btn.style.background = '#1da1f2';
        btn.style.color = 'white';
        btn.style.border = 'none';
        btn.style.borderRadius = '5px';
        btn.style.cursor = 'pointer';
        btn.title = 'Extract images and start slideshow';

        btn.addEventListener('click', () => {
            const images = extractImageUrls();
            showSlideshow(images);
        });

        document.body.appendChild(btn);
    }

    // Observe DOM to add button dynamically (Twitter SPA)
    const observer = new MutationObserver(() => {
        addButton();
    });
    observer.observe(document.body, { childList: true, subtree: true });

    // Initial call
    addButton();
})();