138 lines
4.2 KiB
JavaScript
138 lines
4.2 KiB
JavaScript
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var videoExtension
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function setVideoSrc(video, src) {
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var ext
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if (!videoExtension) {
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[
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['video/mp4; codecs="avc1.42E01E, mp4a.40.2"', '.mp4'],
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['video/webm; codecs="vp8, vorbis"', '.webm'],
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].forEach(opt => {
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if (videoExtension) { return }
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if (video.canPlayType(opt[0]).replace('no', '')) {
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videoExtension = opt[1]
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}
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})
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}
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src = src.replace('.webm', videoExtension)
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if (src != video.src) {
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video.src = src
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}
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}
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function scrollTo(element) {
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var delta = element.offsetTop - document.scrollingElement.scrollTop,
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duration = 1000, t = 40, n = duration / t,
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step = delta / n;
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function scroll() {
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if (document.scrollingElement.scrollTop + step > element.offsetTop) {
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document.scrollingElement.scrollTop = element.offsetTop
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n = 0
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} else {
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document.scrollingElement.scrollTop += step
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}
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n--
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if (n) setTimeout(scroll, t)
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}
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scroll()
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}
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function showOverlay(event) {
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//console.log('show overlay', event.target, event)
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event.stopPropagation()
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event.preventDefault()
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document.querySelectorAll('#video-overlay').forEach(element => element.remove())
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var video = event.target
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var rect = video.getBoundingClientRect();
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if (video._frame) {
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rect = video._frame.getBoundingClientRect();
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}
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var overlay = document.createElement('div')
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overlay.id = 'video-overlay'
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overlay.style.top = video.style.top
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overlay.style.width = rect.width + 'px'
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overlay.style.height = rect.height + 'px'
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overlay.style.position = 'absolute'
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overlay.style.display = 'flex'
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overlay.style.alignItems = 'center'
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overlay.style.justifyContent = 'center'
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//overlay.style.fontSize = '45px'
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video.controls = false
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var off = `<span class="annotation-icon-wrapper animated"><span class="text f-icon-volume_off annotation-icon"></span>`
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var on = `<span class="annotation-icon-wrapper"><span class="f-icon-volume_down annotation-icon"></span></span>`
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if (video.muted) {
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overlay.innerHTML = off
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} else {
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overlay.innerHTML = on
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}
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overlay.addEventListener('click', event=> {
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const muted = video.muted
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document.querySelectorAll('pandora-scroll').forEach(el => el.mute() )
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video.muted = !muted
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if (video.muted) {
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overlay.innerHTML = off
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} else {
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overlay.innerHTML = on
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}
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})
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var timeout = setTimeout(() => {
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video.controls = false
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overlay.remove()
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}, 3000)
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overlay.addEventListener('mousemove', event=> {
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clearTimeout(timeout)
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timeout = setTimeout(() => {
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video.controls = false
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overlay.remove()
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}, 500)
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})
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video.parentElement.appendChild(overlay)
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}
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function isInside(config, annotation) {
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if (!config['in'] && !config['out']) {
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return true
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}
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if (annotation['in'] < config['out'] && annotation['out'] > config['in']) {
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annotation['in'] = Math.min(annotation['in'], config['in'])
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annotation['out'] = Math.min(annotation['out'], config['out'])
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return true
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}
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return false
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}
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function isElementInViewport (el) {
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var rect = el.getBoundingClientRect();
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return (
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rect.top >= 0 &&
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rect.left >= 0 &&
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rect.bottom <= (window.innerHeight || document.documentElement.clientHeight) && /* or $(window).height() */
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Math.floor(rect.right) <= (window.innerWidth || document.documentElement.clientWidth) /* or $(window).width() */
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);
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}
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function onVisibilityChange(el, callback) {
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var old_visible;
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return function () {
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var visible = isElementInViewport(el);
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if (visible != old_visible) {
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old_visible = visible;
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if (visible) {
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el.classList.add('visible')
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} else {
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el.classList.remove('visible')
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}
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if (typeof callback == 'function') {
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callback(visible);
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}
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}
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}
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}
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function parseTime(value) {
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return value.split(":").map(p => parseFloat(p)).reduce((c, p) => { return c*60 + p}, 0)
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}
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