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import {InteractionManager, View} from 'react-native'
import {
type AnimatedRef,
measure,
type MeasuredDimensions,
runOnJS,
runOnUI,
} from 'react-native-reanimated'
import {Image} from 'expo-image'
import {useLightboxControls} from '#/state/lightbox'
import {type Dimensions} from '#/view/com/lightbox/ImageViewing/@types'
import {AutoSizedImage} from '#/view/com/util/images/AutoSizedImage'
import {ImageLayoutGrid} from '#/view/com/util/images/ImageLayoutGrid'
import {atoms as a} from '#/alf'
import {PostEmbedViewContext} from '#/components/Post/Embed/types'
import {type EmbedType} from '#/types/bsky/post'
import {type CommonProps} from './types'
export function ImageEmbed({
embed,
...rest
}: CommonProps & {
embed: EmbedType<'images'>
}) {
const {openLightbox} = useLightboxControls()
const {images} = embed.view
if (images.length > 0) {
const items = images.map(img => ({
uri: img.fullsize,
thumbUri: img.thumb,
alt: img.alt,
dimensions: img.aspectRatio ?? null,
}))
const _openLightbox = (
index: number,
thumbRects: (MeasuredDimensions | null)[],
fetchedDims: (Dimensions | null)[],
) => {
openLightbox({
images: items.map((item, i) => ({
...item,
thumbRect: thumbRects[i] ?? null,
thumbDimensions: fetchedDims[i] ?? null,
type: 'image',
})),
index,
})
}
const onPress = (
index: number,
refs: AnimatedRef<any>[],
fetchedDims: (Dimensions | null)[],
) => {
runOnUI(() => {
'worklet'
const rects: (MeasuredDimensions | null)[] = []
for (const r of refs) {
rects.push(measure(r))
}
runOnJS(_openLightbox)(index, rects, fetchedDims)
})()
}
const onPressIn = (_: number) => {
InteractionManager.runAfterInteractions(() => {
Image.prefetch(items.map(i => i.uri))
})
}
if (images.length === 1) {
const image = images[0]
return (
<View style={[a.mt_sm, rest.style]}>
<AutoSizedImage
crop={
rest.viewContext === PostEmbedViewContext.ThreadHighlighted
? 'none'
: rest.viewContext ===
PostEmbedViewContext.FeedEmbedRecordWithMedia
? 'square'
: 'constrained'
}
image={image}
onPress={(containerRef, dims) => onPress(0, [containerRef], [dims])}
onPressIn={() => onPressIn(0)}
hideBadge={
rest.viewContext === PostEmbedViewContext.FeedEmbedRecordWithMedia
}
/>
</View>
)
}
return (
<View style={[a.mt_sm, rest.style]}>
<ImageLayoutGrid
images={images}
onPress={onPress}
onPressIn={onPressIn}
viewContext={rest.viewContext}
/>
</View>
)
}
}
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