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import React, {useCallback} from 'react'
import {ImageStyle, Keyboard} from 'react-native'
import {GalleryModel} from 'state/models/media/gallery'
import {observer} from 'mobx-react-lite'
import {FontAwesomeIcon} from '@fortawesome/react-native-fontawesome'
import {colors} from 'lib/styles'
import {StyleSheet, TouchableOpacity, View} from 'react-native'
import {ImageModel} from 'state/models/media/image'
import {Image} from 'expo-image'
import {Text} from 'view/com/util/text/Text'
import {isDesktopWeb} from 'platform/detection'
interface Props {
gallery: GalleryModel
}
export const Gallery = observer(function ({gallery}: Props) {
const getImageStyle = useCallback(() => {
let side: number
if (gallery.size === 1) {
side = 250
} else {
side = (isDesktopWeb ? 560 : 350) / gallery.size
}
return {
height: side,
width: side,
}
}, [gallery])
const imageStyle = getImageStyle()
const handleAddImageAltText = useCallback(
(image: ImageModel) => {
Keyboard.dismiss()
gallery.setAltText(image)
},
[gallery],
)
const handleRemovePhoto = useCallback(
(image: ImageModel) => {
gallery.remove(image)
},
[gallery],
)
const handleEditPhoto = useCallback(
(image: ImageModel) => {
gallery.crop(image)
},
[gallery],
)
const isOverflow = !isDesktopWeb && gallery.size > 2
const imageControlLabelStyle = {
borderRadius: 5,
paddingHorizontal: 10,
position: 'absolute' as const,
width: 46,
zIndex: 1,
...(isOverflow
? {
left: 4,
bottom: 4,
}
: isDesktopWeb && gallery.size < 3
? {
left: 8,
top: 8,
}
: {
left: 4,
top: 4,
}),
}
const imageControlsSubgroupStyle = {
display: 'flex' as const,
flexDirection: 'row' as const,
position: 'absolute' as const,
...(isOverflow
? {
top: 4,
right: 4,
gap: 4,
}
: isDesktopWeb && gallery.size < 3
? {
top: 8,
right: 8,
gap: 8,
}
: {
top: 4,
right: 4,
gap: 4,
}),
zIndex: 1,
}
return !gallery.isEmpty ? (
<View testID="selectedPhotosView" style={styles.gallery}>
{gallery.images.map(image =>
image.compressed !== undefined ? (
<View key={`selected-image-${image.path}`} style={[imageStyle]}>
<TouchableOpacity
testID="altTextButton"
accessibilityRole="button"
accessibilityLabel="Add alt text"
accessibilityHint="Opens modal for inputting image alt text"
onPress={() => {
handleAddImageAltText(image)
}}
style={[styles.imageControl, imageControlLabelStyle]}>
<Text style={styles.imageControlTextContent}>ALT</Text>
</TouchableOpacity>
<View style={imageControlsSubgroupStyle}>
<TouchableOpacity
testID="cropPhotoButton"
accessibilityRole="button"
accessibilityLabel="Crop image"
accessibilityHint="Opens modal for cropping image"
onPress={() => {
handleEditPhoto(image)
}}
style={styles.imageControl}>
<FontAwesomeIcon
icon="pen"
size={12}
style={{color: colors.white}}
/>
</TouchableOpacity>
<TouchableOpacity
testID="removePhotoButton"
accessibilityRole="button"
accessibilityLabel="Remove image"
accessibilityHint=""
onPress={() => handleRemovePhoto(image)}
style={styles.imageControl}>
<FontAwesomeIcon
icon="xmark"
size={16}
style={{color: colors.white}}
/>
</TouchableOpacity>
</View>
<Image
testID="selectedPhotoImage"
style={[styles.image, imageStyle] as ImageStyle}
source={{
uri: image.compressed.path,
}}
accessible={true}
accessibilityIgnoresInvertColors
/>
</View>
) : null,
)}
</View>
) : null
})
const styles = StyleSheet.create({
gallery: {
flex: 1,
flexDirection: 'row',
gap: 8,
marginTop: 16,
},
image: {
resizeMode: 'cover',
borderRadius: 8,
},
imageControl: {
width: 24,
height: 24,
borderRadius: 12,
backgroundColor: 'rgba(0, 0, 0, 0.75)',
borderWidth: 0.5,
alignItems: 'center',
justifyContent: 'center',
},
imageControlTextContent: {
color: 'white',
fontSize: 12,
fontWeight: 'bold',
letterSpacing: 1,
},
})
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