mirror of
https://github.com/overleaf/overleaf.git
synced 2024-11-07 20:31:06 -05:00
93976a2748
Website redesign - video autoplay tweaks primarily to fix playback on iOS GitOrigin-RevId: ba2844b8af64627512470d0f27ec450ee2d86b09
57 lines
1.6 KiB
JavaScript
57 lines
1.6 KiB
JavaScript
function setup(videoEl) {
|
|
const reducedMotionReduce = window.matchMedia(
|
|
'(prefers-reduced-motion: reduce)'
|
|
)
|
|
|
|
if (reducedMotionReduce.matches) {
|
|
// TODO: on firefox, if user enters this mode, video can throw error
|
|
// in console, if user seeks the control seek bar relatively fast
|
|
// AbortError: The fetching process for the media resource was aborted by the user agent at the user's request.
|
|
// this is only a problem in firefox (tested in macOS), chrome and safari is fine
|
|
videoEl.setAttribute('controls', '')
|
|
|
|
return
|
|
}
|
|
|
|
const DELAY_BEFORE_REPLAY = 15 * 1000
|
|
// 0.7 will enable the autoplay on the desktop main homepage video for users
|
|
// with the `new-design-registration` variant
|
|
const INTERSECTION_THRESHOLD = 0.7
|
|
|
|
let videoIsVisible
|
|
|
|
videoEl.addEventListener('ended', () => {
|
|
setTimeout(() => {
|
|
videoEl.currentTime = 0
|
|
if (videoIsVisible) {
|
|
videoEl.play()
|
|
}
|
|
}, DELAY_BEFORE_REPLAY)
|
|
})
|
|
|
|
const observer = new IntersectionObserver(
|
|
function onIntersecting(changes) {
|
|
for (const change of changes) {
|
|
if (change.isIntersecting) {
|
|
videoIsVisible = true
|
|
if (videoEl.readyState >= videoEl.HAVE_FUTURE_DATA) {
|
|
if (!videoEl.ended) {
|
|
videoEl.play()
|
|
}
|
|
} else {
|
|
videoEl.play()
|
|
}
|
|
} else {
|
|
videoIsVisible = false
|
|
}
|
|
}
|
|
},
|
|
{
|
|
threshold: INTERSECTION_THRESHOLD,
|
|
}
|
|
)
|
|
|
|
observer.observe(videoEl)
|
|
}
|
|
|
|
document.querySelectorAll('[data-ol-autoplay-video]').forEach(setup)
|