Files
llink/js/desktop/src/features/attachments/attachment-lightbox.tsx
T
Arjun Patel 64f02d1c3b feat: ship a web app (#218)
* feat(orion): add endpoint for link metadata

* refactor: cleanup comments

* wip: plumbing for building a web app

* setup deployment materials for web app

* fix(web): favicon
2026-05-26 15:37:35 -07:00

329 lines
12 KiB
TypeScript

import { useEffect, useState } from "react";
import { Dialog as DialogPrimitive } from "radix-ui";
import {
ChevronLeft,
ChevronRight,
Download,
FileIcon,
Loader2,
Trash2,
X,
} from "lucide-react";
import { useDownloadUrl } from "@/hooks/use-download-url";
import { Button } from "@/components/ui/button";
import { useSuspendPlayback } from "@/hooks/use-suspend-playback";
import { platform } from "@/lib/platform";
export interface AttachmentItem {
id: string;
filename: string;
mimeType: string;
sizeBytes?: number;
source:
| { kind: "remote"; objectId: string }
| { kind: "local"; file: File };
}
interface AttachmentLightboxProps {
items: AttachmentItem[];
openIndex: number | null;
onOpenChange: (index: number | null) => void;
/** When provided, enables the trash button + Backspace/Delete to remove. */
onRemove?: (item: AttachmentItem) => void;
}
/**
* Return `"lightbox"` for mime types that preview in-app, `"external"` otherwise.
* Callers use this to decide whether to open the lightbox or hand off to the OS.
*/
export function getAttachmentHandler(mimeType: string): "lightbox" | "external" {
if (mimeType.startsWith("image/") || mimeType.startsWith("video/")) {
return "lightbox";
}
return "external";
}
function formatSize(bytes?: number): string | null {
if (bytes == null) return null;
if (bytes < 1024) return `${bytes} B`;
if (bytes < 1024 * 1024) return `${(bytes / 1024).toFixed(0)} KB`;
return `${(bytes / (1024 * 1024)).toFixed(1)} MB`;
}
export function AttachmentLightbox({
items,
openIndex,
onOpenChange,
onRemove,
}: AttachmentLightboxProps) {
const current =
openIndex !== null && openIndex >= 0 && openIndex < items.length
? items[openIndex]
: null;
const isOpen = current !== null;
const hasMultiple = items.length > 1;
// Remote items resolve through the signed-URL cache; disabled when not remote.
const remoteObjectId =
current?.source.kind === "remote" ? current.source.objectId : undefined;
const { data: remoteUrl, isLoading: isRemoteLoading } =
useDownloadUrl(remoteObjectId);
// Local items get a fresh blob URL per item, revoked on change/close.
const [localUrl, setLocalUrl] = useState<string | null>(null);
useEffect(() => {
if (current?.source.kind !== "local") {
setLocalUrl(null);
return;
}
const url = URL.createObjectURL(current.source.file);
setLocalUrl(url);
return () => URL.revokeObjectURL(url);
}, [current?.id, current?.source.kind]);
const url =
current?.source.kind === "remote"
? remoteUrl ?? null
: localUrl;
const canDownload = current?.source.kind === "remote" && !!url;
const goTo = (delta: number) => {
if (openIndex === null || items.length === 0) return;
const next = (openIndex + delta + items.length) % items.length;
onOpenChange(next);
};
const handleDownload = () => {
if (!current || !url || current.source.kind !== "remote") return;
platform.attachment.download(url, current.filename);
};
const handleRemove = () => {
if (!current || !onRemove) return;
const wasLast = items.length <= 1;
const wasAtEnd = openIndex === items.length - 1;
onRemove(current);
if (wasLast) {
onOpenChange(null);
} else if (wasAtEnd) {
onOpenChange(openIndex! - 1);
}
// Otherwise openIndex stays — the next item shifts into its place.
};
useSuspendPlayback(isOpen, "attachment-lightbox");
// Keyboard handling — only listens while open. Registered in the capture
// phase with stopImmediatePropagation so we consume keys (arrows, D, ⌫)
// before global listeners like stream-view's particle-navigation.
useEffect(() => {
if (!isOpen) return;
const handle = (e: KeyboardEvent) => {
const target = e.target as HTMLElement | null;
if (
target &&
(target.tagName === "INPUT" ||
target.tagName === "TEXTAREA" ||
target.isContentEditable)
) {
return;
}
const consume = () => {
e.preventDefault();
e.stopImmediatePropagation();
};
if (e.key === "Escape") {
consume();
onOpenChange(null);
} else if (e.key === "ArrowLeft" && hasMultiple) {
consume();
goTo(-1);
} else if (e.key === "ArrowRight" && hasMultiple) {
consume();
goTo(1);
} else if ((e.key === "d" || e.key === "D") && canDownload) {
consume();
handleDownload();
} else if ((e.key === "Backspace" || e.key === "Delete") && onRemove) {
consume();
handleRemove();
}
};
window.addEventListener("keydown", handle, true);
return () => window.removeEventListener("keydown", handle, true);
}, [isOpen, openIndex, items, url, onOpenChange, onRemove, hasMultiple, canDownload]);
const isImage = current?.mimeType.startsWith("image/");
const isVideo = current?.mimeType.startsWith("video/");
const sizeLabel = formatSize(current?.sizeBytes);
return (
<DialogPrimitive.Root
open={isOpen}
onOpenChange={(open) => {
if (!open) onOpenChange(null);
}}
>
<DialogPrimitive.Portal>
<DialogPrimitive.Overlay className="data-open:animate-in data-closed:animate-out data-closed:fade-out-0 data-open:fade-in-0 fixed inset-0 z-50 bg-black/90 backdrop-blur-sm duration-100" />
<DialogPrimitive.Content
aria-describedby={undefined}
className="data-open:animate-in data-closed:animate-out data-closed:fade-out-0 data-open:fade-in-0 fixed inset-0 z-50 flex items-center justify-center p-16 outline-none duration-100"
>
{current && (
<>
<DialogPrimitive.Title className="sr-only">
{current.filename}
</DialogPrimitive.Title>
{/* Top-left: filename chip */}
<div className="absolute left-4 top-4 flex items-center gap-2 rounded-2xl border border-white/10 bg-white/5 px-3 py-1.5 backdrop-blur-xl">
<span className="max-w-[40vw] truncate text-sm text-white/80">
{current.filename}
</span>
{sizeLabel && (
<span className="text-xs text-white/40">{sizeLabel}</span>
)}
{hasMultiple && (
<span className="border-l border-white/10 pl-2 text-xs text-white/40">
{openIndex! + 1} / {items.length}
</span>
)}
</div>
{/* Top-right: actions */}
<div className="absolute right-4 top-4 flex items-center gap-1 no-drag">
{canDownload && (
<Button
variant="ghost"
size="icon-sm"
onClick={handleDownload}
className="text-white/70 hover:bg-white/10 hover:text-white"
title="Download"
>
<Download />
</Button>
)}
{onRemove && (
<Button
variant="ghost"
size="icon-sm"
onClick={handleRemove}
className="text-white/70 hover:bg-white/10 hover:text-white"
title="Remove"
>
<Trash2 />
</Button>
)}
<DialogPrimitive.Close asChild>
<Button
variant="ghost"
size="icon-sm"
className="text-white/70 hover:bg-white/10 hover:text-white"
title="Close"
>
<X />
</Button>
</DialogPrimitive.Close>
</div>
{/* Side navigation */}
{hasMultiple && (
<>
<Button
variant="ghost"
size="icon"
onClick={() => goTo(-1)}
className="absolute left-4 top-1/2 -translate-y-1/2 text-white/70 hover:bg-white/10 hover:text-white"
aria-label="Previous"
>
<ChevronLeft />
</Button>
<Button
variant="ghost"
size="icon"
onClick={() => goTo(1)}
className="absolute right-4 top-1/2 -translate-y-1/2 text-white/70 hover:bg-white/10 hover:text-white"
aria-label="Next"
>
<ChevronRight />
</Button>
</>
)}
{/* Media body */}
<div className="flex max-h-full max-w-full items-center justify-center">
{!url && isRemoteLoading && (
<Loader2 className="size-8 animate-spin text-white/50" />
)}
{url && isImage && (
<img
key={current.id}
src={url}
alt={current.filename}
onError={() => onOpenChange(null)}
className="max-h-[85vh] max-w-[85vw] rounded-lg object-contain shadow-2xl"
/>
)}
{url && isVideo && (
<video
key={current.id}
src={url}
controls
autoPlay
className="max-h-[85vh] max-w-[85vw] rounded-lg shadow-2xl"
/>
)}
{url && !isImage && !isVideo && (
<div className="flex flex-col items-center gap-3 rounded-2xl border border-white/10 bg-white/5 px-8 py-6 backdrop-blur-xl">
<FileIcon className="size-12 text-white/50" />
<span className="text-sm text-white/80">{current.filename}</span>
</div>
)}
</div>
{/* Footer kbd hints */}
<div className="absolute bottom-4 left-1/2 flex -translate-x-1/2 items-center gap-4 text-xs text-white/50">
{hasMultiple && (
<span className="flex items-center gap-1.5">
<kbd className="rounded bg-white/10 px-1.5 py-0.5 font-mono text-xs">
</kbd>
<kbd className="rounded bg-white/10 px-1.5 py-0.5 font-mono text-xs">
</kbd>
navigate
</span>
)}
{canDownload && (
<span className="flex items-center gap-1.5">
<kbd className="rounded bg-white/10 px-1.5 py-0.5 font-mono text-xs">
D
</kbd>
download
</span>
)}
{onRemove && (
<span className="flex items-center gap-1.5">
<kbd className="rounded bg-white/10 px-1.5 py-0.5 font-mono text-xs">
</kbd>
remove
</span>
)}
<span className="flex items-center gap-1.5">
<kbd className="rounded bg-white/10 px-1.5 py-0.5 font-mono text-xs">
Esc
</kbd>
close
</span>
</div>
</>
)}
</DialogPrimitive.Content>
</DialogPrimitive.Portal>
</DialogPrimitive.Root>
);
}