Files
standardnotes-app-web/packages/web/src/javascripts/Components/FilePreview/PreviewComponent.tsx

105 lines
3.0 KiB
TypeScript

import { WebApplication } from '@/Application/Application'
import { getBase64FromBlob } from '@/Utils'
import { FileItem } from '@standardnotes/snjs'
import { FunctionComponent, useCallback, useEffect, useMemo, useRef } from 'react'
import Button from '../Button/Button'
import { createObjectURLWithRef } from './CreateObjectURLWithRef'
import ImagePreview from './ImagePreview'
import { ImageZoomLevelProps } from './ImageZoomLevelProps'
import { PreviewableTextFileTypes, RequiresNativeFilePreview } from './isFilePreviewable'
import TextPreview from './TextPreview'
type Props = {
application: WebApplication
file: FileItem
bytes: Uint8Array
isEmbeddedInSuper: boolean
} & ImageZoomLevelProps
const PreviewComponent: FunctionComponent<Props> = ({
application,
file,
bytes,
isEmbeddedInSuper,
imageZoomLevel,
setImageZoomLevel,
}) => {
const objectUrlRef = useRef<string>()
const objectUrl = useMemo(() => {
return createObjectURLWithRef(file.mimeType, bytes, objectUrlRef)
}, [bytes, file.mimeType])
useEffect(() => {
const objectUrl = objectUrlRef.current
return () => {
if (objectUrl) {
URL.revokeObjectURL(objectUrl)
objectUrlRef.current = ''
}
}
}, [])
const isNativeMobileWeb = application.isNativeMobileWeb()
const requiresNativePreview = RequiresNativeFilePreview.includes(file.mimeType)
const openNativeFilePreview = useCallback(async () => {
if (!isNativeMobileWeb) {
throw new Error('Native file preview cannot be used on non-native platform')
}
const fileBase64 = await getBase64FromBlob(
new Blob([bytes], {
type: file.mimeType,
}),
)
void application.mobileDevice().previewFile(fileBase64, file.name)
}, [application, bytes, file.mimeType, file.name, isNativeMobileWeb])
if (isNativeMobileWeb && requiresNativePreview) {
return (
<div className="flex flex-grow flex-col items-center justify-center">
<div className="max-w-[30ch] text-center text-base font-bold">
This file can only be previewed in an external app
</div>
<Button className="mt-3" primary onClick={openNativeFilePreview}>
Open file preview
</Button>
</div>
)
}
if (file.mimeType.startsWith('image/')) {
return (
<ImagePreview
objectUrl={objectUrl}
isEmbeddedInSuper={isEmbeddedInSuper}
imageZoomLevel={imageZoomLevel}
setImageZoomLevel={setImageZoomLevel}
/>
)
}
if (file.mimeType.startsWith('video/')) {
return <video className="h-full w-full" src={objectUrl} controls autoPlay />
}
if (file.mimeType.startsWith('audio/')) {
return (
<div className="flex h-full w-full items-center justify-center">
<audio src={objectUrl} controls />
</div>
)
}
if (PreviewableTextFileTypes.includes(file.mimeType)) {
return <TextPreview bytes={bytes} />
}
return <object className="h-full w-full" data={objectUrl} />
}
export default PreviewComponent