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import React from 'react'
import {LayoutAnimation, StyleSheet, View} from 'react-native'
import {FontAwesomeIcon} from '@fortawesome/react-native-fontawesome'
import ImageView from './ImageViewing'
import {shareImageModal, saveImageToMediaLibrary} from 'lib/media/manip'
import * as Toast from '../util/Toast'
import {Text} from '../util/text/Text'
import {s, colors} from 'lib/styles'
import {Button} from '../util/forms/Button'
import {isIOS} from 'platform/detection'
import * as MediaLibrary from 'expo-media-library'
import {
useLightbox,
useLightboxControls,
ProfileImageLightbox,
ImagesLightbox,
} from '#/state/lightbox'
import {Trans, msg} from '@lingui/macro'
import {useLingui} from '@lingui/react'
export function Lightbox() {
const {activeLightbox} = useLightbox()
const {closeLightbox} = useLightboxControls()
const onClose = React.useCallback(() => {
closeLightbox()
}, [closeLightbox])
if (!activeLightbox) {
return null
} else if (activeLightbox.name === 'profile-image') {
const opts = activeLightbox as ProfileImageLightbox
return (
<ImageView
images={[{uri: opts.profile.avatar || ''}]}
initialImageIndex={0}
visible
onRequestClose={onClose}
FooterComponent={LightboxFooter}
/>
)
} else if (activeLightbox.name === 'images') {
const opts = activeLightbox as ImagesLightbox
return (
<ImageView
images={opts.images.map(img => ({...img}))}
initialImageIndex={opts.index}
visible
onRequestClose={onClose}
FooterComponent={LightboxFooter}
/>
)
} else {
return null
}
}
function LightboxFooter({imageIndex}: {imageIndex: number}) {
const {_} = useLingui()
const {activeLightbox} = useLightbox()
const [isAltExpanded, setAltExpanded] = React.useState(false)
const [permissionResponse, requestPermission] = MediaLibrary.usePermissions()
const saveImageToAlbumWithToasts = React.useCallback(
async (uri: string) => {
if (!permissionResponse || permissionResponse.granted === false) {
Toast.show(_(msg`Permission to access camera roll is required.`))
if (permissionResponse?.canAskAgain) {
requestPermission()
} else {
Toast.show(
_(
msg`Permission to access camera roll was denied. Please enable it in your system settings.`,
),
)
}
return
}
try {
await saveImageToMediaLibrary({uri})
Toast.show('Saved to your camera roll.')
} catch (e: any) {
Toast.show(`Failed to save image: ${String(e)}`)
}
},
[permissionResponse, requestPermission, _],
)
const lightbox = activeLightbox
if (!lightbox) {
return null
}
let altText = ''
let uri = ''
if (lightbox.name === 'images') {
const opts = lightbox as ImagesLightbox
uri = opts.images[imageIndex].uri
altText = opts.images[imageIndex].alt || ''
} else if (lightbox.name === 'profile-image') {
const opts = lightbox as ProfileImageLightbox
uri = opts.profile.avatar || ''
}
return (
<View style={[styles.footer]}>
{altText ? (
<View accessibilityRole="button" style={styles.footerText}>
<Text
style={[s.gray3]}
numberOfLines={isAltExpanded ? undefined : 3}
selectable
onPress={() => {
LayoutAnimation.configureNext({
duration: 300,
update: {type: 'spring', springDamping: 0.7},
})
setAltExpanded(prev => !prev)
}}
onLongPress={() => {}}>
{altText}
</Text>
</View>
) : null}
<View style={styles.footerBtns}>
<Button
type="primary-outline"
style={styles.footerBtn}
onPress={() => saveImageToAlbumWithToasts(uri)}>
<FontAwesomeIcon icon={['far', 'floppy-disk']} style={s.white} />
<Text type="xl" style={s.white}>
<Trans context="action">Save</Trans>
</Text>
</Button>
<Button
type="primary-outline"
style={styles.footerBtn}
onPress={() => shareImageModal({uri})}>
<FontAwesomeIcon icon="arrow-up-from-bracket" style={s.white} />
<Text type="xl" style={s.white}>
<Trans context="action">Share</Trans>
</Text>
</Button>
</View>
</View>
)
}
const styles = StyleSheet.create({
footer: {
paddingTop: 16,
paddingBottom: isIOS ? 40 : 24,
paddingHorizontal: 24,
backgroundColor: '#000d',
},
footerText: {
paddingBottom: isIOS ? 20 : 16,
},
footerBtns: {
flexDirection: 'row',
justifyContent: 'center',
gap: 8,
},
footerBtn: {
flexDirection: 'row',
alignItems: 'center',
gap: 8,
backgroundColor: 'transparent',
borderColor: colors.white,
},
})
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