onedrive/components/previews/EPUBPreview.tsx
2022-02-04 16:05:28 +08:00

70 lines
2.3 KiB
TypeScript

import type { OdFileObject } from '../../types'
import { FC, useEffect, useRef, useState } from 'react'
import { ReactReader } from 'react-reader'
import Loading from '../Loading'
import DownloadButtonGroup from '../DownloadBtnGtoup'
import { DownloadBtnContainer } from './Containers'
const EPUBPreview: FC<{ file: OdFileObject }> = ({ file }) => {
const [epubContainerWidth, setEpubContainerWidth] = useState(400)
const epubContainer = useRef<HTMLDivElement>(null)
useEffect(() => {
setEpubContainerWidth(epubContainer.current ? epubContainer.current.offsetWidth : 400)
}, [])
const [location, setLocation] = useState<string>()
const onLocationChange = (cfiStr: string) => setLocation(cfiStr)
// Fix for not valid epub files according to
// https://github.com/gerhardsletten/react-reader/issues/33#issuecomment-673964947
const fixEpub = rendition => {
const spineGet = rendition.book.spine.get.bind(rendition.book.spine)
rendition.book.spine.get = function (target: string) {
const targetStr = target as string
let t = spineGet(target)
while (t == null && targetStr.startsWith('../')) {
target = targetStr.substring(3)
t = spineGet(target)
}
return t
}
}
return (
<div>
<div
className="no-scrollbar flex w-full flex-col overflow-scroll rounded bg-white dark:bg-gray-900 md:p-3"
style={{ maxHeight: '90vh' }}
>
<div className="no-scrollbar w-full flex-1 overflow-scroll" ref={epubContainer} style={{ minHeight: '70vh' }}>
<div
style={{
position: 'absolute',
width: epubContainerWidth,
height: '70vh',
}}
>
<ReactReader
url={file['@microsoft.graph.downloadUrl']}
getRendition={rendition => fixEpub(rendition)}
loadingView={<Loading loadingText="Loading EPUB ..." />}
location={location}
locationChanged={onLocationChange}
epubInitOptions={{ openAs: 'epub' }}
epubOptions={{ flow: 'scrolled' }}
/>
</div>
</div>
</div>
<DownloadBtnContainer>
<DownloadButtonGroup downloadUrl={file['@microsoft.graph.downloadUrl']} />
</DownloadBtnContainer>
</div>
)
}
export default EPUBPreview