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llink/js/src/features/playback/media-particle-view.tsx
T

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TypeScript

import { useEffect, useRef, useState } from "react";
import type { Particle } from "@/api/types";
import { useDownloadUrl } from "@/hooks/use-download-url";
import { Skeleton } from "@/components/ui/skeleton";
import { AudioLevelBars } from "@/components/audio/audio-level-bars";
import { useAudioSource } from "@/components/audio/use-audio-source";
type MediaParticle = Extract<Particle, { type: "media" }>;
interface MediaParticleViewProps {
particle: MediaParticle;
paused: boolean;
onEnded: () => void;
onProgress?: (ratio: number) => void;
}
export function MediaParticleView({
particle,
paused,
onEnded,
onProgress,
}: MediaParticleViewProps) {
const { data: url, error } = useDownloadUrl(particle.properties.object_id);
const videoRef = useRef<HTMLVideoElement>(null);
const audioRef = useRef<HTMLAudioElement>(null);
const isAudio = particle.properties.mime_type?.startsWith("audio/");
// WORKAROUND: useAudioSource needs an audio element, but audioRef is only set after mount
const [audioEl, setAudioEl] = useState<HTMLAudioElement | null>(null);
const audioSource = useAudioSource(audioEl);
useEffect(() => {
const el = isAudio ? audioRef.current : videoRef.current;
if (!el) return;
if (paused) {
el.pause();
} else {
el.play().catch(() => {
console.warn("Playback failed", { particleId: particle.id });
});
}
}, [paused, isAudio, particle.id]);
if (error) {
return (
<div className="text-muted-foreground flex items-center justify-center text-sm">
Failed to load media
</div>
);
}
if (!url) {
return <Skeleton className="h-full w-full rounded-none" />;
}
if (isAudio) {
return (
<div className="relative flex h-full w-full items-center justify-center bg-black/90">
<audio
ref={(el) => {
audioRef.current = el;
setAudioEl(el);
}}
crossOrigin="anonymous"
src={url}
autoPlay
onEnded={onEnded}
onTimeUpdate={(e) => {
const { currentTime, duration } = e.currentTarget;
if (duration > 0) onProgress?.(currentTime / duration);
}}
/>
{audioSource && (
<div className="z-10 absolute bottom-15">
<AudioLevelBars sourceNode={audioSource.sourceNode} />
</div>
)}
</div>
);
}
return (
<div className="relative h-full w-full">
<video
ref={videoRef}
src={url}
autoPlay
playsInline
onEnded={onEnded}
onTimeUpdate={(e) => {
const { currentTime, duration } = e.currentTarget;
if (duration > 0) onProgress?.(currentTime / duration);
}}
className="h-full w-full object-cover"
/>
</div>
);
}