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import React, {useCallback, useState} from 'react'
import {ActivityIndicator, View} from 'react-native'
import {ImageBackground} from 'expo-image'
import {type AppBskyEmbedVideo} from '@atproto/api'
import {msg, Trans} from '@lingui/macro'
import {useLingui} from '@lingui/react'
import {ErrorBoundary} from '#/view/com/util/ErrorBoundary'
import {ConstrainedImage} from '#/view/com/util/images/AutoSizedImage'
import {atoms as a, useTheme} from '#/alf'
import {Button} from '#/components/Button'
import {useThrottledValue} from '#/components/hooks/useThrottledValue'
import {PlayButtonIcon} from '#/components/video/PlayButtonIcon'
import {VideoEmbedInnerNative} from './VideoEmbedInner/VideoEmbedInnerNative'
import * as VideoFallback from './VideoEmbedInner/VideoFallback'
interface Props {
embed: AppBskyEmbedVideo.View
crop?: 'none' | 'square' | 'constrained'
}
export function VideoEmbed({embed, crop}: Props) {
const t = useTheme()
const [key, setKey] = useState(0)
const renderError = useCallback(
(error: unknown) => (
<VideoError error={error} retry={() => setKey(key + 1)} />
),
[key],
)
let aspectRatio: number | undefined
const dims = embed.aspectRatio
if (dims) {
aspectRatio = dims.width / dims.height
if (Number.isNaN(aspectRatio)) {
aspectRatio = undefined
}
}
let constrained: number | undefined
let max: number | undefined
if (aspectRatio !== undefined) {
const ratio = 1 / 2 // max of 1:2 ratio in feeds
constrained = Math.max(aspectRatio, ratio)
max = Math.max(aspectRatio, 0.25) // max of 1:4 in thread
}
const cropDisabled = crop === 'none'
const contents = (
<ErrorBoundary renderError={renderError} key={key}>
<InnerWrapper embed={embed} />
</ErrorBoundary>
)
return (
<View style={[a.pt_xs]}>
{cropDisabled ? (
<View
style={[
a.w_full,
a.overflow_hidden,
{aspectRatio: max ?? 1},
a.rounded_md,
a.overflow_hidden,
t.atoms.bg_contrast_25,
]}>
{contents}
</View>
) : (
<ConstrainedImage
fullBleed={crop === 'square'}
aspectRatio={constrained || 1}>
{contents}
</ConstrainedImage>
)}
</View>
)
}
function InnerWrapper({embed}: Props) {
const {_} = useLingui()
const ref = React.useRef<{togglePlayback: () => void}>(null)
const [status, setStatus] = React.useState<'playing' | 'paused' | 'pending'>(
'pending',
)
const [isLoading, setIsLoading] = React.useState(false)
const [isActive, setIsActive] = React.useState(false)
const showSpinner = useThrottledValue(isActive && isLoading, 100)
const showOverlay =
!isActive ||
isLoading ||
(status === 'paused' && !isActive) ||
status === 'pending'
React.useEffect(() => {
if (!isActive && status !== 'pending') {
setStatus('pending')
}
}, [isActive, status])
return (
<>
<VideoEmbedInnerNative
embed={embed}
setStatus={setStatus}
setIsLoading={setIsLoading}
setIsActive={setIsActive}
ref={ref}
/>
<ImageBackground
source={{uri: embed.thumbnail}}
accessibilityIgnoresInvertColors
style={[
a.absolute,
a.inset_0,
{
backgroundColor: 'transparent', // If you don't add `backgroundColor` to the styles here,
// the play button won't show up on the first render on android 🥴😮💨
display: showOverlay ? 'flex' : 'none',
},
]}
cachePolicy="memory-disk" // Preferring memory cache helps to avoid flicker when re-displaying on android
>
{showOverlay && (
<Button
style={[a.flex_1, a.align_center, a.justify_center]}
onPress={() => {
ref.current?.togglePlayback()
}}
label={_(msg`Play video`)}
color="secondary">
{showSpinner ? (
<View
style={[
a.rounded_full,
a.p_xs,
a.align_center,
a.justify_center,
]}>
<ActivityIndicator size="large" color="white" />
</View>
) : (
<PlayButtonIcon />
)}
</Button>
)}
</ImageBackground>
</>
)
}
function VideoError({retry}: {error: unknown; retry: () => void}) {
return (
<VideoFallback.Container>
<VideoFallback.Text>
<Trans>
An error occurred while loading the video. Please try again later.
</Trans>
</VideoFallback.Text>
<VideoFallback.RetryButton onPress={retry} />
</VideoFallback.Container>
)
}
|
