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import { createEffect, createMemo, Match, on, onCleanup, Show, Switch, untrack, type JSX } from "solid-js"
import { createStore } from "solid-js/store"
import { useI18n } from "@opencode-ai/ui/context/i18n"
import {
dataUrlFromMediaValue,
hasMediaValue,
isBinaryContent,
mediaKindFromPath,
normalizeMimeType,
svgTextFromValue,
} from "../pierre/media"
export type FileMediaOptions = {
mode?: "auto" | "off"
path?: string
current?: unknown
before?: unknown
after?: unknown
deleted?: boolean
readFile?: (path: string) => Promise<FileContent | undefined>
onLoad?: () => void
onError?: (ctx: { kind: "image" | "audio" | "svg" }) => void
}
function mediaValue(cfg: FileMediaOptions, mode: "image" | "audio") {
if (cfg.current !== undefined) return cfg.current
if (mode === "image") return cfg.after ?? cfg.before
return cfg.after ?? cfg.before
}
export function FileMedia(props: { media?: FileMediaOptions; fallback: () => JSX.Element }) {
const i18n = useI18n()
const [remote, setRemote] = createStore<{
key?: string
loading?: boolean
error?: boolean
src?: string
mime?: string
}>({})
const cfg = () => props.media
const kind = createMemo(() => {
const media = cfg()
if (!media || media.mode === "off") return
return mediaKindFromPath(media.path)
})
const isBinary = createMemo(() => {
const media = cfg()
if (!media || media.mode === "off") return false
if (kind()) return false
return isBinaryContent(media.current as any)
})
const onLoad = () => props.media?.onLoad?.()
const deleted = createMemo(() => {
const media = cfg()
const k = kind()
if (!media || !k) return false
if (media.deleted) return true
if (k === "svg") return false
if (media.current !== undefined) return false
return !hasMediaValue(media.after as any) && hasMediaValue(media.before as any)
})
const direct = createMemo(() => {
const media = cfg()
const k = kind()
if (!media || (k !== "image" && k !== "audio")) return
return dataUrlFromMediaValue(mediaValue(media, k), k)
})
const request = createMemo(() => {
const media = cfg()
const k = kind()
if (!media || (k !== "image" && k !== "audio")) return
if (media.current !== undefined) return
if (deleted()) return
if (direct()) return
if (!media.path || !media.readFile) return
return {
key: `${k}:${media.path}`,
kind: k,
path: media.path,
readFile: media.readFile,
onError: media.onError,
}
})
createEffect(() => {
const input = request()
if (!input) {
setRemote({ key: undefined, loading: false, error: false, src: undefined, mime: undefined })
return
}
let active = true
// Keep the previous media visible while re-reading the same file (e.g. a vcs
// diff refresh); only a key change resets to the loading placeholder.
if (untrack(() => remote.key) === input.key) setRemote({ loading: true, error: false })
else setRemote({ key: input.key, loading: true, error: false, src: undefined, mime: undefined })
void input.readFile(input.path).then(
(result) => {
if (!active) return
const src = dataUrlFromMediaValue(result as any, input.kind)
if (!src) {
input.onError?.({ kind: input.kind })
setRemote({ key: input.key, loading: false, error: true, src: undefined, mime: undefined })
return
}
setRemote({
key: input.key,
loading: false,
error: false,
src,
mime: input.kind === "audio" ? normalizeMimeType(result?.mimeType) : undefined,
})
},
() => {
if (!active) return
input.onError?.({ kind: input.kind })
setRemote({ key: input.key, loading: false, error: true, src: undefined, mime: undefined })
},
)
onCleanup(() => {
active = false
})
})
const src = createMemo(() => {
const input = request()
if (!input || remote.key !== input.key || remote.error) return direct()
return direct() ?? remote.src
})
const status = createMemo(() => {
if (direct()) return "ready" as const
const input = request()
if (!input) return "idle" as const
if (remote.key !== input.key || remote.loading) return "loading" as const
if (remote.error) return "error" as const
if (src()) return "ready" as const
return "idle" as const
})
const audioMime = createMemo(() => {
const input = request()
if (!input || remote.key !== input.key) return
return remote.mime
})
const svgSource = createMemo(() => {
const media = cfg()
if (!media || kind() !== "svg") return
return svgTextFromValue(media.current as any)
})
const svgSrc = createMemo(() => {
const media = cfg()
if (!media || kind() !== "svg") return
return dataUrlFromMediaValue(media.current as any, "svg")
})
const svgInvalid = createMemo(() => {
const media = cfg()
if (!media || kind() !== "svg") return
if (svgSource() !== undefined) return
if (!hasMediaValue(media.current as any)) return
return [media.path, media.current] as const
})
createEffect(
on(
svgInvalid,
(value) => {
if (!value) return
cfg()?.onError?.({ kind: "svg" })
},
{ defer: true },
),
)
const kindLabel = (value: "image" | "audio") =>
i18n.t(value === "image" ? "ui.fileMedia.kind.image" : "ui.fileMedia.kind.audio")
return (
<Switch>
<Match when={kind() === "image" || kind() === "audio"}>
<Show
when={src()}
fallback={(() => {
const media = cfg()
const k = kind()
if (!media || (k !== "image" && k !== "audio")) return props.fallback()
const label = kindLabel(k)
if (deleted()) {
return (
<div class="flex min-h-40 items-center justify-center px-6 py-4 text-center text-text-weak">
{i18n.t("ui.fileMedia.state.removed", { kind: label })}
</div>
)
}
if (status() === "loading") {
return (
<div class="flex min-h-40 items-center justify-center px-6 py-4 text-center text-text-weak">
{i18n.t("ui.fileMedia.state.loading", { kind: label })}
</div>
)
}
if (status() === "error") {
return (
<div class="flex min-h-40 items-center justify-center px-6 py-4 text-center text-text-weak">
{i18n.t("ui.fileMedia.state.error", { kind: label })}
</div>
)
}
return (
<div class="flex min-h-40 items-center justify-center px-6 py-4 text-center text-text-weak">
{i18n.t("ui.fileMedia.state.unavailable", { kind: label })}
</div>
)
})()}
>
{(value) => {
const k = kind()
if (k !== "image" && k !== "audio") return props.fallback()
if (k === "image") {
return (
<div class="flex justify-center bg-background-stronger px-6 py-4">
<img
src={value()}
alt={cfg()?.path}
class="max-h-[60vh] max-w-full rounded border border-border-weak-base bg-background-base object-contain"
onLoad={onLoad}
/>
</div>
)
}
return (
<div class="flex justify-center bg-background-stronger px-6 py-4">
<audio class="w-full max-w-xl" controls preload="metadata" onLoadedMetadata={onLoad}>
<source src={value()} type={audioMime()} />
</audio>
</div>
)
}}
</Show>
</Match>
<Match when={kind() === "svg"}>
{(() => {
if (svgSource() === undefined && svgSrc() == null) return props.fallback()
return (
<div class="flex flex-col gap-4 px-6 py-4">
<Show when={svgSource() !== undefined}>{props.fallback()}</Show>
<Show when={svgSrc()}>
{(value) => (
<div class="flex justify-center">
<img
src={value()}
alt={cfg()?.path}
class="max-h-[60vh] max-w-full rounded border border-border-weak-base bg-background-base object-contain"
onLoad={onLoad}
/>
</div>
)}
</Show>
</div>
)
})()}
</Match>
<Match when={isBinary()}>
<div class="flex min-h-56 flex-col items-center justify-center gap-2 px-6 py-10 text-center">
<div class="text-14-semibold text-text-strong">
{cfg()?.path?.split("/").pop() ?? i18n.t("ui.fileMedia.binary.title")}
</div>
<div class="text-14-regular text-text-weak">
{(() => {
const path = cfg()?.path
if (!path) return i18n.t("ui.fileMedia.binary.description.default")
return i18n.t("ui.fileMedia.binary.description.path", { path })
})()}
</div>
</div>
</Match>
<Match when={true}>{props.fallback()}</Match>
</Switch>
)
}
|