kepler-chat/src/lib/components/ui/file-preview/video-preview.svelte

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Svelte

<script lang="ts">
import type { Attachment } from '$lib/types';
import { cn } from '$lib/utils/utils';
import { Modal } from '$lib/components/ui/modal';
import { Button } from '$lib/components/ui/button';
import DownloadIcon from '~icons/lucide/download';
import ExternalLinkIcon from '~icons/lucide/external-link';
import XIcon from '~icons/lucide/x';
import MaximizeIcon from '~icons/lucide/maximize-2';
import Tooltip from '$lib/components/ui/tooltip.svelte';
import { formatFileSize, formatTime, openInNewTab } from '$lib/utils/file';
let { attachment, isUserMessage = false, compact = false } = $props<{
attachment: Attachment;
isUserMessage?: boolean;
compact?: boolean;
}>();
let videoUrl = $derived(attachment.url);
let fileName = $derived(attachment.fileName);
let fileSize = $derived(attachment.size);
let isPlaying = $state(false);
let currentTime = $state(0);
let duration = $state(0);
let volume = $state(1);
let isMuted = $state(false);
let videoElement: HTMLVideoElement | undefined;
let modalOpen = $state(false);
const togglePlay = () => {
if (videoElement) {
if (videoElement.paused) {
videoElement.play();
isPlaying = true;
} else {
videoElement.pause();
isPlaying = false;
}
}
};
const toggleMute = () => {
if (videoElement) {
videoElement.muted = !videoElement.muted;
isMuted = videoElement.muted;
}
};
const handleTimeUpdate = () => {
if (videoElement) {
currentTime = videoElement.currentTime;
duration = videoElement.duration || 0;
}
};
const handleSeek = (e: Event) => {
const target = e.target as HTMLInputElement;
const newTime = parseFloat(target.value);
if (videoElement) {
videoElement.currentTime = newTime;
currentTime = newTime;
}
};
const handleVolumeChange = (e: Event) => {
const target = e.target as HTMLInputElement;
const newVolume = parseFloat(target.value);
if (videoElement) {
videoElement.volume = newVolume;
volume = newVolume;
isMuted = newVolume === 0;
}
};
</script>
<div class="flex flex-col gap-3">
{#if compact}
<!-- Compact view for inline display -->
<div class="flex items-center gap-2">
<div class="relative">
<video
bind:this={videoElement}
src={videoUrl}
class="w-16 h-16 object-cover rounded bg-muted/20"
poster=""
onplay={() => (isPlaying = true)}
onpause={() => (isPlaying = false)}
ontimeupdate={handleTimeUpdate}
onloadedmetadata={() => {
if (videoElement) duration = videoElement.duration || 0;
}}
onvolumechange={() => {
if (videoElement) {
volume = videoElement.volume;
isMuted = videoElement.muted;
}
}}
/>
<button
onclick={togglePlay}
class="absolute inset-0 flex items-center justify-center bg-black/50 rounded opacity-0 hover:opacity-100 transition-opacity"
aria-label={isPlaying ? 'Pause video' : 'Play video'}
>
{#if isPlaying}
<svg class="w-4 h-4 text-white" fill="currentColor" viewBox="0 0 20 20">
<path fill-rule="evenodd" d="M18 10a8 8 0 11-16 0 8 8 0 0116 0zM7 8a1 1 0 012 0v4a1 1 0 11-2 0V8zm5-1a1 1 0 00-1 1v4a1 1 0 102 0V8a1 1 0 00-1-1z" clip-rule="evenodd" />
</svg>
{:else}
<svg class="w-4 h-4 text-white" fill="currentColor" viewBox="0 0 20 20">
<path fill-rule="evenodd" d="M10 18a8 8 0 100-16 8 8 0 000 16zM9.555 7.168A1 1 0 008 8v4a1 1 0 001.555.832l3-2a1 1 0 000-1.664l-3-2z" clip-rule="evenodd" />
</svg>
{/if}
</button>
</div>
<div class="flex-1 min-w-0">
<div class="text-sm font-medium text-foreground truncate">{fileName}</div>
<div class="text-xs text-muted-foreground">
Video • {formatFileSize(fileSize)}
</div>
</div>
<button
onclick={() => (modalOpen = true)}
class="flex-shrink-0 p-1 rounded hover:bg-accent transition-colors"
aria-label="Open video in large modal"
>
<MaximizeIcon class="w-4 h-4" />
</button>
</div>
{:else}
<!-- Full view for dedicated video display -->
<div class="relative overflow-hidden rounded-lg bg-muted/20">
<video
bind:this={videoElement}
src={videoUrl}
class="w-full h-auto max-h-[400px] object-contain"
controls={false}
onplay={() => (isPlaying = true)}
onpause={() => (isPlaying = false)}
ontimeupdate={handleTimeUpdate}
onloadedmetadata={() => {
if (videoElement) duration = videoElement.duration || 0;
}}
onvolumechange={() => {
if (videoElement) {
volume = videoElement.volume;
isMuted = videoElement.muted;
}
}}
/>
<!-- Custom video controls overlay -->
<div class="absolute bottom-0 left-0 right-0 bg-gradient-to-t from-black/80 to-transparent p-4">
<!-- Progress bar -->
<div class="mb-3">
<input
type="range"
min="0"
max={duration || 100}
value={currentTime}
oninput={handleSeek}
class="w-full h-1 bg-white/30 rounded-lg appearance-none cursor-pointer [&::-webkit-slider-thumb]:appearance-none [&::-webkit-slider-thumb]:w-3 [&::-webkit-slider-thumb]:h-3 [&::-webkit-slider-thumb]:bg-white [&::-webkit-slider-thumb]:rounded-full [&::-webkit-slider-thumb]:cursor-pointer"
aria-label="Video progress"
/>
<div class="flex justify-between text-xs text-white/80 mt-1">
<span>{formatTime(currentTime)}</span>
<span>{formatTime(duration)}</span>
</div>
</div>
<!-- Control buttons -->
<div class="flex items-center justify-between">
<div class="flex items-center gap-3">
<button
onclick={togglePlay}
class="w-8 h-8 bg-white/20 hover:bg-white/30 rounded-full flex items-center justify-center transition-colors"
aria-label={isPlaying ? 'Pause video' : 'Play video'}
>
{#if isPlaying}
<svg class="w-4 h-4 text-white" fill="currentColor" viewBox="0 0 20 20">
<path fill-rule="evenodd" d="M18 10a8 8 0 11-16 0 8 8 0 0116 0zM7 8a1 1 0 012 0v4a1 1 0 11-2 0V8zm5-1a1 1 0 00-1 1v4a1 1 0 102 0V8a1 1 0 00-1-1z" clip-rule="evenodd" />
</svg>
{:else}
<svg class="w-4 h-4 text-white" fill="currentColor" viewBox="0 0 20 20">
<path fill-rule="evenodd" d="M10 18a8 8 0 100-16 8 8 0 000 16zM9.555 7.168A1 1 0 008 8v4a1 1 0 001.555.832l3-2a1 1 0 000-1.664l-3-2z" clip-rule="evenodd" />
</svg>
{/if}
</button>
<button
onclick={toggleMute}
class="w-8 h-8 bg-white/20 hover:bg-white/30 rounded-full flex items-center justify-center transition-colors"
aria-label={isMuted ? 'Unmute video' : 'Mute video'}
>
{#if isMuted}
<svg class="w-4 h-4 text-white" fill="currentColor" viewBox="0 0 20 20">
<path fill-rule="evenodd" d="M9.383 3.076A1 1 0 0110 4v12a1 1 0 01-1.707.707L4.586 13H2a1 1 0 01-1-1V8a1 1 0 011-1h2.586l3.707-3.707a1 1 0 011.09-.217zM12.293 7.293a1 1 0 011.414 0L15 8.586l1.293-1.293a1 1 0 111.414 1.414L16.414 10l1.293 1.293a1 1 0 01-1.414 1.414L15 11.414l-1.293 1.293a1 1 0 01-1.414-1.414L13.586 10l-1.293-1.293a1 1 0 010-1.414z" clip-rule="evenodd" />
</svg>
{:else}
<svg class="w-4 h-4 text-white" fill="currentColor" viewBox="0 0 20 20">
<path fill-rule="evenodd" d="M9.383 3.076A1 1 0 0110 4v12a1 1 0 01-1.707.707L4.586 13H2a1 1 0 01-1-1V8a1 1 0 011-1h2.586l3.707-3.707a1 1 0 011.09-.217zM12.293 7.293a1 1 0 011.414 0L15 8.586l1.293-1.293a1 1 0 111.414 1.414L16.414 10l1.293 1.293a1 1 0 01-1.414 1.414L15 11.414l-1.293 1.293a1 1 0 01-1.414-1.414L13.586 10l-1.293-1.293a1 1 0 010-1.414z" clip-rule="evenodd" />
</svg>
{/if}
</button>
<input
type="range"
min="0"
max="1"
step="0.1"
value={volume}
oninput={handleVolumeChange}
class="w-16 h-1 bg-white/30 rounded-lg appearance-none cursor-pointer [&::-webkit-slider-thumb]:appearance-none [&::-webkit-slider-thumb]:w-2 [&::-webkit-slider-thumb]:h-2 [&::-webkit-slider-thumb]:bg-white [&::-webkit-slider-thumb]:rounded-full [&::-webkit-slider-thumb]:cursor-pointer"
aria-label="Volume control"
/>
</div>
<a
href={videoUrl}
download={fileName}
class="w-8 h-8 bg-white/20 hover:bg-white/30 rounded-full flex items-center justify-center transition-colors"
aria-label={`Download ${fileName}`}
>
<svg class="w-4 h-4 text-white" fill="none" stroke="currentColor" viewBox="0 0 24 24">
<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 10v6m0 0l-3-3m3 3l3-3m2 8H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z" />
</svg>
</a>
</div>
</div>
</div>
<!-- Video info -->
<div class="flex items-center justify-between">
<div class="text-sm text-muted-foreground">
{fileName}{formatFileSize(fileSize)}
</div>
<button
onclick={() => (modalOpen = true)}
class="flex-shrink-0 p-2 rounded hover:bg-accent transition-colors"
aria-label="Open video in large modal"
>
<MaximizeIcon class="w-4 h-4" />
</button>
</div>
{/if}
<!-- Modal for full-screen video viewing -->
<Modal bind:open={modalOpen} class="modal-large">
<div class="flex items-center justify-between p-2">
<h2 class="text-lg font-semibold truncate">{fileName}</h2>
<div class="flex items-center gap-2 flex-shrink-0">
<Tooltip>
{#snippet trigger(tooltip)}
<Button
size="iconSm"
variant="outline"
download={fileName}
href={videoUrl}
{...tooltip.trigger}
>
<DownloadIcon class="size-4" />
</Button>
{/snippet}
Download video
</Tooltip>
<Tooltip>
{#snippet trigger(tooltip)}
<Button size="iconSm" variant="outline" onclick={() => openInNewTab(videoUrl)} {...tooltip.trigger}>
<ExternalLinkIcon class="size-4" />
</Button>
{/snippet}
Open in new tab
</Tooltip>
<Tooltip>
{#snippet trigger(tooltip)}
<Button
size="iconSm"
variant="outline"
onclick={() => (modalOpen = false)}
{...tooltip.trigger}
>
<XIcon class="size-4" />
</Button>
{/snippet}
Close
</Tooltip>
</div>
</div>
<div class="flex items-center justify-center p-4 bg-black rounded-lg min-h-[500px]">
<video
bind:this={videoElement}
src={videoUrl}
class="max-h-[80vh] max-w-full rounded-lg"
controls={true}
autoplay={false}
onplay={() => (isPlaying = true)}
onpause={() => (isPlaying = false)}
ontimeupdate={() => {
if (videoElement) {
currentTime = videoElement.currentTime;
duration = videoElement.duration || 0;
}
}}
onloadedmetadata={() => {
if (videoElement) {
duration = videoElement.duration || 0;
videoElement.volume = volume;
}
}}
onvolumechange={() => {
if (videoElement) {
volume = videoElement.volume;
isMuted = videoElement.muted;
}
}}
/>
</div>
</Modal>
</div>