const TimelineMediaTypes = { IMAGE: 1, VIDEO: 2, AUDIO: 3, EMBED: 4, } const showcaseItemTemplate = makeTemplateCloner("showcase_item"); const modalTemplate = makeTemplateCloner("timeline_modal"); function showcaseTimestamp(rawDate) { const date = new Date(rawDate*1000); return date.toLocaleDateString([], { 'dateStyle': 'long' }); } function doOnce(f) { let did = false; return () => { if (!did) { f(); did = true; } } } function makeShowcaseItem(timelineItem) { const timestamp = showcaseTimestamp(timelineItem.date); const itemEl = showcaseItemTemplate(); itemEl.avatar.style.backgroundImage = `url('${timelineItem.owner_avatar}')`; itemEl.username.textContent = timelineItem.owner_name; itemEl.when.textContent = timestamp; let addThumbnailFunc = () => {}; let createModalContentFunc = () => {}; switch (timelineItem.media_type) { case TimelineMediaTypes.IMAGE: addThumbnailFunc = () => { itemEl.thumbnail.style.backgroundImage = `url('${timelineItem.thumbnail_url}')`; }; createModalContentFunc = () => { const modalImage = document.createElement('img'); modalImage.src = timelineItem.asset_url; modalImage.classList.add('mw-100', 'mh-60vh'); return modalImage; }; break; case TimelineMediaTypes.VIDEO: addThumbnailFunc = () => { const video = document.createElement('video'); video.src = timelineItem.asset_url; // TODO: Use image thumbnails video.controls = false; video.classList.add('h-100'); video.preload = 'metadata'; itemEl.thumbnail.appendChild(video); }; createModalContentFunc = () => { const modalVideo = document.createElement('video'); modalVideo.src = timelineItem.asset_url; modalVideo.controls = true; modalVideo.preload = 'metadata'; modalVideo.classList.add('mw-100', 'mh-60vh'); return modalVideo; }; break; case TimelineMediaTypes.AUDIO: createModalContentFunc = () => { const modalAudio = document.createElement('audio'); modalAudio.src = timelineItem.asset_url; modalAudio.controls = true; modalAudio.preload = 'metadata'; modalAudio.classList.add('w-70'); return modalAudio; }; break; // TODO(ben): Other snippet types? } let modalEl = null; itemEl.container.addEventListener('click', function() { if (!modalEl) { modalEl = modalTemplate(); modalEl.description.innerHTML = timelineItem.description; modalEl.asset_container.appendChild(createModalContentFunc()); modalEl.avatar.src = timelineItem.owner_avatar; modalEl.userLink.textContent = timelineItem.owner_name; modalEl.userLink.href = timelineItem.owner_url; modalEl.date.textContent = timestamp; modalEl.date.setAttribute("href", timelineItem.snippet_url); modalEl.discord_link.href = timelineItem.discord_message_url; function close() { modalEl.overlay.remove(); } modalEl.overlay.addEventListener('click', close); modalEl.close.addEventListener('click', close); modalEl.container.addEventListener('click', function(e) { e.stopPropagation(); }); } document.body.appendChild(modalEl.overlay); }); return [itemEl, doOnce(addThumbnailFunc)]; } function initShowcaseContainer(container, items, rowHeight = 300, itemSpacing = 4) { const addThumbnailFuncs = new Array(items.length); const itemElements = []; // array of arrays for (let i = 0; i < items.length; i++) { const item = items[i]; const [itemEl, addThumbnail] = makeShowcaseItem(item); itemEl.container.setAttribute('data-index', i); itemEl.container.setAttribute('data-date', item.date); addThumbnailFuncs[i] = addThumbnail; itemElements.push(itemEl.container); } function layout() { const width = container.getBoundingClientRect().width; container = emptyElement(container); function addRow(itemEls, rowWidth, container) { const totalSpacing = itemSpacing * (itemEls.length - 1); const scaleFactor = (width / Math.max(rowWidth, width)); const row = document.createElement('div'); row.classList.add('flex'); row.classList.toggle('justify-between', rowWidth >= width); row.style.marginBottom = `${itemSpacing}px`; for (const itemEl of itemEls) { const index = parseInt(itemEl.getAttribute('data-index'), 10); const item = items[index]; const aspect = item.width / item.height; const baseWidth = (aspect * rowHeight) * scaleFactor; const actualWidth = baseWidth - (totalSpacing / itemEls.length); itemEl.style.width = `${actualWidth}px`; itemEl.style.height = `${scaleFactor * rowHeight}px`; itemEl.style.marginRight = `${itemSpacing}px`; row.appendChild(itemEl); } container.appendChild(row); } let rowItemEls = []; let rowWidth = 0; for (const itemEl of itemElements) { const index = parseInt(itemEl.getAttribute('data-index'), 10); const item = items[index]; const aspect = item.width / item.height; rowWidth += aspect * rowHeight; rowItemEls.push(itemEl); if (rowWidth > width) { addRow(rowItemEls, rowWidth, container); rowItemEls = []; rowWidth = 0; } } addRow(rowItemEls, rowWidth, container); } function tryLoadImages() { const OFFSCREEN_THRESHOLD = 0; const rect = container.getBoundingClientRect(); const offscreen = ( rect.bottom < -OFFSCREEN_THRESHOLD || rect.top > window.innerHeight + OFFSCREEN_THRESHOLD ); if (!offscreen) { const items = container.querySelectorAll('.showcase-item'); for (const item of items) { const i = parseInt(item.getAttribute('data-index'), 10); addThumbnailFuncs[i](); } } } window.addEventListener('DOMContentLoaded', () => { layout(); layout(); // scrollbars are fun!! tryLoadImages(); }) window.addEventListener('resize', () => { layout(); tryLoadImages(); }); window.addEventListener('scroll', () => { tryLoadImages(); }); }