Warosu media grid and hover

Grid view thumbnails show video icon + duration, hover shows full video with dynamic playbar, download link opens media in new tab and is right-clickable

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

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

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

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

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

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

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.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Warosu media grid and hover
// @namespace    warosu-filter
// @version      1.4
// @description  Grid view thumbnails show video icon + duration, hover shows full video with dynamic playbar, download link opens media in new tab and is right-clickable
// @match        https://warosu.org/*
// @grant        none
// @license MIT 
// ==/UserScript==

(function () {
    'use strict';

    let gridView = false;
    let observer = null;
    let gridContainer = null;
    let preview = null;

    // --- Control button ---
    const gridBtn = document.createElement('button');
    gridBtn.textContent = 'Grid View: OFF';
    Object.assign(gridBtn.style, {
        position: 'fixed', top: '10px', right: '10px', zIndex: '99999',
        padding: '6px 10px', background: '#444', color: 'white',
        border: '1px solid #888', borderRadius: '4px', cursor: 'pointer', fontSize: '13px'
    });
    document.body.appendChild(gridBtn);

    // --- Preview overlay ---
    preview = document.createElement('div');
    Object.assign(preview.style, {
        position: 'fixed', top: 0, left: 0, width: '100%', height: '100%',
        display: 'none', justifyContent: 'center', alignItems: 'center',
        background: 'transparent', zIndex: '99999', pointerEvents: 'none'
    });
    document.body.appendChild(preview);

    // --- Hover preview function ---
    function attachHover(wrapper, media) {
        wrapper.addEventListener('mouseenter', () => {
            preview.innerHTML = '';
            const src = media.tagName.toLowerCase() === 'img'
                ? (media.closest('a')?.href || media.src)
                : (media.currentSrc || media.src);

            const isVideo = media.tagName.toLowerCase() === 'video' || src.match(/\.(webm|mp4)$/i);
            const element = document.createElement(isVideo ? 'video' : 'img');

            if (isVideo) {
                element.src = src;
                element.autoplay = true;
                element.muted = true;
                element.loop = true;
                element.playsInline = true;
            } else {
                element.src = src;
            }

            Object.assign(element.style, {
                maxWidth: '100vw', maxHeight: '100vh',
                objectFit: 'contain', borderRadius: '6px'
            });

            const container = document.createElement('div');
            Object.assign(container.style, {
                position: 'relative', display: 'flex', justifyContent: 'center', alignItems: 'center',
                width: '100%', height: '100%'
            });
            container.appendChild(element);
            preview.appendChild(container);
            preview.style.display = 'flex';

            if (isVideo) {
                // Playbar
                const playbarContainer = document.createElement('div');
                Object.assign(playbarContainer.style, {
                    position: 'absolute', bottom: '20px', height: '8px',
                    background: 'rgba(0,0,0,0.2)', borderRadius: '3px',
                });
                container.appendChild(playbarContainer);

                const playbarFill = document.createElement('div');
                Object.assign(playbarFill.style, { width: '0%', height: '100%', background: 'lime', borderRadius: '3px' });
                playbarContainer.appendChild(playbarFill);

                const timeLabel = document.createElement('div');
                Object.assign(timeLabel.style, {
                    position: 'absolute', bottom: '30px', right: '10px',
                    padding: '2px 4px', fontSize: '12px', color: 'white',
                    background: 'rgba(0,0,0,0.6)', borderRadius: '3px', pointerEvents: 'none'
                });
                container.appendChild(timeLabel);

                function updatePlaybar() {
                    playbarContainer.style.width = element.clientWidth + 'px';
                    playbarContainer.style.left = element.offsetLeft + 'px';
                }

                element.addEventListener('loadedmetadata', () => {
                    updatePlaybar();
                    timeLabel.textContent = `0 / ${Math.floor(element.duration)}s`;
                });

                element.addEventListener('timeupdate', () => {
                    if (element.duration > 0) {
                        const pct = (element.currentTime / element.duration) * 100;
                        playbarFill.style.width = pct + '%';
                        timeLabel.textContent = `${Math.floor(element.currentTime)} / ${Math.floor(element.duration)}s`;
                    }
                });

                window.addEventListener('resize', updatePlaybar);
            }
        });

        wrapper.addEventListener('mouseleave', () => {
            preview.style.display = 'none';
            preview.innerHTML = '';
        });
    }

    // --- Grid View ---
    function buildGrid() {
        if (gridContainer) gridContainer.remove();
        gridContainer = document.createElement('div');
        Object.assign(gridContainer.style, {
            position: 'fixed', top: '50px', left: '0',
            width: '100%', height: 'calc(100% - 60px)',
            background: '#111', display: 'grid',
            gridTemplateColumns: 'repeat(auto-fill, minmax(160px, 1fr))',
            gap: '10px', padding: '10px', overflowY: 'scroll',
            zIndex: '99998'
        });

        const mediaElems = document.querySelectorAll('img.thumb, video');
        mediaElems.forEach(media => {
            const post = media.closest('.post, table, div');
            if (!post) return;

            const mediaBlock = document.createElement('div');
            mediaBlock.style.display = 'flex';
            mediaBlock.style.flexDirection = 'column';
            mediaBlock.style.alignItems = 'center';
            mediaBlock.style.background = '#222';
            mediaBlock.style.borderRadius = '6px';
            mediaBlock.style.padding = '4px';
            mediaBlock.style.boxSizing = 'border-box';
            mediaBlock.style.minHeight = '180px';

            const thumbWrapper = document.createElement('a');
            thumbWrapper.href = '#';
            thumbWrapper.style.display = 'flex';
            thumbWrapper.style.justifyContent = 'center';
            thumbWrapper.style.alignItems = 'center';
            thumbWrapper.style.width = '100%';
            thumbWrapper.style.cursor = 'pointer';
            thumbWrapper.style.position = 'relative';

            const clone = media.cloneNode(true);
            Object.assign(clone.style, { maxWidth: '100%', maxHeight: '160px', objectFit: 'contain', display: 'block' });
            thumbWrapper.appendChild(clone);

            thumbWrapper.addEventListener('click', e => {
                e.preventDefault();
                post.scrollIntoView({ behavior: 'smooth', block: 'center' });
                gridView = false;
                gridContainer.remove();
                gridBtn.textContent = 'Grid View: OFF';
                gridBtn.style.background = '#444';
            });

            attachHover(thumbWrapper, media);

            // --- Add video icon + duration overlay for grid ---
            const isVideo = media.tagName.toLowerCase() === 'video' || (media.closest('a')?.href || '').match(/\.(webm|mp4)$/i);
            if (isVideo) {
                const icon = document.createElement('div');
                icon.textContent = '▶';
                Object.assign(icon.style, {
                    position: 'absolute', top: '2px', right: '2px',
                    fontSize: '12px', color: 'white', background: 'rgba(0,0,0,0.6)',
                    borderRadius: '3px', padding: '1px 3px', pointerEvents: 'none'
                });
                thumbWrapper.appendChild(icon);

                const tempVideo = document.createElement('video');
                tempVideo.preload = 'metadata';
                tempVideo.src = media.tagName.toLowerCase() === 'video' ? media.currentSrc || media.src : media.closest('a')?.href;
                tempVideo.addEventListener('loadedmetadata', () => {
                    const durationLabel = document.createElement('div');
                    durationLabel.textContent = Math.floor(tempVideo.duration) + 's';
                    Object.assign(durationLabel.style, {
                        position: 'absolute', top: '2px', left: '2px',
                        fontSize: '12px', color: 'white', background: 'rgba(0,0,0,0.6)',
                        borderRadius: '3px', padding: '1px 3px', pointerEvents: 'none'
                    });
                    thumbWrapper.appendChild(durationLabel);
                });
            }

            // --- Add download link for both images and videos ---
            const downloadLink = document.createElement('a');
            downloadLink.textContent = 'Download';
            downloadLink.href = media.tagName.toLowerCase() === 'video' ? media.currentSrc || media.src : media.closest('a')?.href || media.src;
            downloadLink.target = '_blank';
            downloadLink.style.cssText = `
                margin-top: 4px;
                padding: 2px 6px;
                font-size: 12px;
                background: #0f0;
                border: 1px solid #000;
                border-radius: 3px;
                display: inline-block;
                text-decoration: none;
                color: black;
                text-align: center;
            `;
            // STOP event propagation so right-click works
            downloadLink.addEventListener('click', e => e.stopPropagation());
            downloadLink.addEventListener('mousedown', e => e.stopPropagation());

            mediaBlock.appendChild(thumbWrapper);
            mediaBlock.appendChild(downloadLink);
            gridContainer.appendChild(mediaBlock);
        });

        document.body.appendChild(gridContainer);
    }

    gridBtn.addEventListener('click', () => {
        gridView = !gridView;
        gridBtn.textContent = gridView ? 'Grid View: ON' : 'Grid View: OFF';
        gridBtn.style.background = gridView ? '#2a7' : '#444';

        if (gridView) buildGrid();
        else if (gridContainer) gridContainer.remove();
    });

    // --- Attach hover to all posts ---
    function addHoverToPosts() {
        const mediaElems = document.querySelectorAll('.comment img, .comment video');
        mediaElems.forEach(media => {
            if (media.dataset.hoverAttached) return;
            media.dataset.hoverAttached = 'true';
            media.style.cursor = 'pointer';
            attachHover(media, media);
        });
    }

    addHoverToPosts();

    if (!observer) {
        observer = new MutationObserver(() => addHoverToPosts());
        observer.observe(document.body, { childList: true, subtree: true });
    }

})();