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import React from 'react'
import Picker from '@emoji-mart/react'
import {
StyleSheet,
TouchableWithoutFeedback,
useWindowDimensions,
View,
} from 'react-native'
import {textInputWebEmitter} from '../TextInput.web'
const HEIGHT_OFFSET = 40
const WIDTH_OFFSET = 100
const PICKER_HEIGHT = 435 + HEIGHT_OFFSET
const PICKER_WIDTH = 350 + WIDTH_OFFSET
export type Emoji = {
aliases?: string[]
emoticons: string[]
id: string
keywords: string[]
name: string
native: string
shortcodes?: string
unified: string
}
export interface EmojiPickerState {
isOpen: boolean
pos: {top: number; left: number; right: number; bottom: number}
}
interface IProps {
state: EmojiPickerState
close: () => void
}
export function EmojiPicker({state, close}: IProps) {
const {height, width} = useWindowDimensions()
const isShiftDown = React.useRef(false)
const position = React.useMemo(() => {
const fitsBelow = state.pos.top + PICKER_HEIGHT < height
const fitsAbove = PICKER_HEIGHT < state.pos.top
const placeOnLeft = PICKER_WIDTH < state.pos.left
const screenYMiddle = height / 2 - PICKER_HEIGHT / 2
if (fitsBelow) {
return {
top: state.pos.top + HEIGHT_OFFSET,
}
} else if (fitsAbove) {
return {
bottom: height - state.pos.bottom + HEIGHT_OFFSET,
}
} else {
return {
top: screenYMiddle,
left: placeOnLeft ? state.pos.left - PICKER_WIDTH : undefined,
right: !placeOnLeft
? width - state.pos.right - PICKER_WIDTH
: undefined,
}
}
}, [state.pos, height, width])
React.useEffect(() => {
if (!state.isOpen) return
const onKeyDown = (e: KeyboardEvent) => {
if (e.key === 'Shift') {
isShiftDown.current = true
}
}
const onKeyUp = (e: KeyboardEvent) => {
if (e.key === 'Shift') {
isShiftDown.current = false
}
}
window.addEventListener('keydown', onKeyDown, true)
window.addEventListener('keyup', onKeyUp, true)
return () => {
window.removeEventListener('keydown', onKeyDown, true)
window.removeEventListener('keyup', onKeyUp, true)
}
}, [state.isOpen])
const onInsert = (emoji: Emoji) => {
textInputWebEmitter.emit('emoji-inserted', emoji)
if (!isShiftDown.current) {
close()
}
}
if (!state.isOpen) return null
return (
<TouchableWithoutFeedback
accessibilityRole="button"
onPress={close}
accessibilityViewIsModal>
<View style={styles.mask}>
{/* eslint-disable-next-line react-native-a11y/has-valid-accessibility-descriptors */}
<TouchableWithoutFeedback onPress={e => e.stopPropagation()}>
<View style={[{position: 'absolute'}, position]}>
<Picker
data={async () => {
return (await import('./EmojiPickerData.json')).default
}}
onEmojiSelect={onInsert}
autoFocus={true}
/>
</View>
</TouchableWithoutFeedback>
</View>
</TouchableWithoutFeedback>
)
}
const styles = StyleSheet.create({
mask: {
position: 'absolute',
top: 0,
left: 0,
right: 0,
width: '100%',
height: '100%',
alignItems: 'center',
},
picker: {
marginHorizontal: 'auto',
paddingRight: 50,
},
})
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