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pause / play vid with useInView

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This commit is contained in:
Martti Malmi 2023-12-13 11:37:14 +02:00
parent b199d297ce
commit 1fe6a2a50d
1 changed files with 22 additions and 8 deletions
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30
packages/app/src/Element/Embed/MediaElement.tsx
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@ -1,8 +1,9 @@
import { ProxyImg } from "@/Element/ProxyImg";
import useImgProxy from "@/Hooks/useImgProxy";
import { IMeta } from "@snort/system";
import React, { CSSProperties, useMemo, useRef } from "react";
import React, { CSSProperties, useEffect, useMemo, useRef } from "react";
import classNames from "classnames";
import { useInView } from "react-intersection-observer";
interface MediaElementProps {
mime: string;
@ -13,17 +14,30 @@ interface MediaElementProps {
export function MediaElement(props: MediaElementProps) {
const { proxy } = useImgProxy();
const ref = useRef<HTMLImageElement | null>(null);
const imageRef = useRef<HTMLImageElement | null>(null);
const { ref: videoContainerRef, inView } = useInView({ threshold: 1 });
const videoRef = useRef<HTMLVideoElement | null>(null);
const autoplay = window.innerWidth >= 768;
useEffect(() => {
if (!autoplay || !videoRef.current) {
return;
}
if (inView) {
videoRef.current.play();
} else {
videoRef.current.pause();
}
}, [inView]);
const style = useMemo(() => {
const style = {} as CSSProperties;
if (props.meta?.height && props.meta.width && ref.current) {
const scale = ref.current.offsetWidth / props.meta.width;
if (props.meta?.height && props.meta.width && imageRef.current) {
const scale = imageRef.current.offsetWidth / props.meta.width;
style.height = `${props.meta.height * scale}px`;
}
return style;
}, [ref.current]);
}, [imageRef.current]);
if (props.mime.startsWith("image/")) {
return (
@ -34,7 +48,7 @@ export function MediaElement(props: MediaElementProps) {
onClick={props.onMediaClick}
className={classNames("max-h-[80vh]", { "md:max-h-80": !props.meta })}
style={style}
ref={ref}
ref={imageRef}
/>
</div>
);
@ -42,9 +56,9 @@ export function MediaElement(props: MediaElementProps) {
return <audio key={props.url} src={props.url} controls />;
} else if (props.mime.startsWith("video/")) {
return (
<div className="flex justify-center items-center -mx-4 md:mx-0 md:h-80 my-2">
<div ref={videoContainerRef} className="flex justify-center items-center -mx-4 md:mx-0 md:h-80 my-2">
<video
autoPlay={autoplay}
ref={videoRef}
loop={true}
muted={autoplay}
key={props.url}