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import React from 'react'
import {Pressable, useWindowDimensions, View} from 'react-native'
import Picker from '@emoji-mart/react'
import {msg} from '@lingui/macro'
import {useLingui} from '@lingui/react'
import {DismissableLayer, FocusScope} from 'radix-ui/internal'
import {textInputWebEmitter} from '#/view/com/composer/text-input/textInputWebEmitter'
import {atoms as a, flatten} from '#/alf'
import {Portal} from '#/components/Portal'
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 EmojiPickerPosition {
top: number
left: number
right: number
bottom: number
nextFocusRef: React.MutableRefObject<HTMLElement> | null
}
export interface EmojiPickerState {
isOpen: boolean
pos: EmojiPickerPosition
}
interface IProps {
state: EmojiPickerState
close: () => void
/**
* If `true`, overrides position and ensures picker is pinned to the top of
* the target element.
*/
pinToTop?: boolean
}
export function EmojiPicker({state, close, pinToTop}: IProps) {
const {_} = useLingui()
const {height, width} = useWindowDimensions()
const isShiftDown = React.useRef(false)
const position = React.useMemo(() => {
if (pinToTop) {
return {
top: state.pos.top - PICKER_HEIGHT + HEIGHT_OFFSET - 10,
left: state.pos.left,
}
}
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, pinToTop])
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 (
<Portal>
<FocusScope.FocusScope
loop
trapped
onUnmountAutoFocus={e => {
const nextFocusRef = state.pos.nextFocusRef
const node = nextFocusRef?.current
if (node) {
e.preventDefault()
node.focus()
}
}}>
<Pressable
accessible
accessibilityLabel={_(msg`Close emoji picker`)}
accessibilityHint={_(msg`Closes the emoji picker`)}
onPress={close}
style={[a.fixed, a.inset_0]}
/>
<View
style={flatten([
a.fixed,
a.w_full,
a.h_full,
a.align_center,
a.z_10,
{
top: 0,
left: 0,
right: 0,
},
])}>
<View style={[{position: 'absolute'}, position]}>
<DismissableLayer.DismissableLayer
onFocusOutside={evt => evt.preventDefault()}
onDismiss={close}>
<Picker
data={async () => {
return (await import('./EmojiPickerData.json')).default
}}
onEmojiSelect={onInsert}
autoFocus={true}
/>
</DismissableLayer.DismissableLayer>
</View>
</View>
<Pressable
accessible
accessibilityLabel={_(msg`Close emoji picker`)}
accessibilityHint={_(msg`Closes the emoji picker`)}
onPress={close}
style={[a.fixed, a.inset_0]}
/>
</FocusScope.FocusScope>
</Portal>
)
}
|
