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import React, {useLayoutEffect} from 'react'
import {Modal, View} from 'react-native'
import {StatusBar} from 'expo-status-bar'
import * as SystemUI from 'expo-system-ui'
import {observer} from 'mobx-react-lite'
import {useComposerState} from '#/state/shell/composer'
import {atoms as a, useTheme} from '#/alf'
import {getBackgroundColor, useThemeName} from '#/alf/util/useColorModeTheme'
import {ComposePost, useComposerCancelRef} from '../com/composer/Composer'
export const Composer = observer(function ComposerImpl({}: {
winHeight: number
}) {
const t = useTheme()
const state = useComposerState()
const ref = useComposerCancelRef()
const open = !!state
return (
<Modal
aria-modal
accessibilityViewIsModal
visible={open}
presentationStyle="pageSheet"
animationType="slide"
onRequestClose={() => ref.current?.onPressCancel()}>
<View style={[t.atoms.bg, a.flex_1]}>
<Providers open={open}>
<ComposePost
cancelRef={ref}
replyTo={state?.replyTo}
onPost={state?.onPost}
quote={state?.quote}
mention={state?.mention}
text={state?.text}
imageUris={state?.imageUris}
/>
</Providers>
</View>
</Modal>
)
})
function Providers({
children,
open,
}: {
children: React.ReactNode
open: boolean
}) {
// on iOS, it's a native formSheet. We use FullWindowOverlay to make
// the dialogs appear over it
return (
<>
{children}
<IOSModalBackground active={open} />
</>
)
}
// Generally, the backdrop of the app is the theme color, but when this is open
// we want it to be black due to the modal being a form sheet.
function IOSModalBackground({active}: {active: boolean}) {
const theme = useThemeName()
useLayoutEffect(() => {
SystemUI.setBackgroundColorAsync('black')
return () => {
SystemUI.setBackgroundColorAsync(getBackgroundColor(theme))
}
}, [theme])
// Set the status bar to light - however, only if the modal is active
// If we rely on this component being mounted to set this,
// there'll be a delay before it switches back to default.
return active ? <StatusBar style="light" animated /> : null
}
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