feat: publish HoloLake model-native living system source

product-source/hololake-platform/src/utils/mediaPreviewRuntime.ts

@@ -0,0 +1,50 @@
+import { useEffect, useState } from 'react'
+import { invoke } from '@tauri-apps/api/core'
+import { isTauri } from '../mock-tauri'
+import { isLinux } from './platform'
+
+let cachedExternalMediaPreview: boolean | null = null
+let pendingExternalMediaPreview: Promise<boolean> | null = null
+
+function initialExternalMediaPreview(): boolean {
+  return isTauri() && isLinux()
+}
+
+async function loadExternalMediaPreview(): Promise<boolean> {
+  if (!isTauri()) return false
+  if (cachedExternalMediaPreview !== null) return cachedExternalMediaPreview
+  if (pendingExternalMediaPreview) return pendingExternalMediaPreview
+
+  pendingExternalMediaPreview = invoke<boolean>('should_use_external_media_preview')
+    .catch((error: unknown) => {
+      console.warn('[media] Failed to resolve media preview runtime:', error)
+      return false
+    })
+    .then((value) => {
+      cachedExternalMediaPreview = value
+      pendingExternalMediaPreview = null
+      return value
+    })
+
+  return pendingExternalMediaPreview
+}
+
+export function useExternalMediaPreview(): boolean {
+  const [externalMediaPreview, setExternalMediaPreview] = useState(
+    cachedExternalMediaPreview ?? initialExternalMediaPreview(),
+  )
+
+  useEffect(() => {
+    let cancelled = false
+
+    void loadExternalMediaPreview().then((value) => {
+      if (!cancelled) setExternalMediaPreview(value)
+    })
+
+    return () => {
+      cancelled = true
+    }
+  }, [])
+
+  return externalMediaPreview
+}