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import React, {useImperativeHandle} from 'react'
import {View, Dimensions} from 'react-native'
import BottomSheet, {
BottomSheetBackdrop,
BottomSheetScrollView,
BottomSheetTextInput,
BottomSheetView,
} from '@gorhom/bottom-sheet'
import {useSafeAreaInsets} from 'react-native-safe-area-context'
import {useTheme, atoms as a, flatten} from '#/alf'
import {Portal} from '#/components/Portal'
import {createInput} from '#/components/forms/TextField'
import {
DialogOuterProps,
DialogControlProps,
DialogInnerProps,
} from '#/components/Dialog/types'
import {Context} from '#/components/Dialog/context'
export {useDialogControl, useDialogContext} from '#/components/Dialog/context'
export * from '#/components/Dialog/types'
// @ts-ignore
export const Input = createInput(BottomSheetTextInput)
export function Outer({
children,
control,
onClose,
nativeOptions,
}: React.PropsWithChildren<DialogOuterProps>) {
const t = useTheme()
const sheet = React.useRef<BottomSheet>(null)
const sheetOptions = nativeOptions?.sheet || {}
const hasSnapPoints = !!sheetOptions.snapPoints
const insets = useSafeAreaInsets()
/*
* Used to manage open/closed, but index is otherwise handled internally by `BottomSheet`
*/
const [openIndex, setOpenIndex] = React.useState(-1)
/*
* `openIndex` is the index of the snap point to open the bottom sheet to. If >0, the bottom sheet is open.
*/
const isOpen = openIndex > -1
const open = React.useCallback<DialogControlProps['open']>(
({index} = {}) => {
// can be set to any index of `snapPoints`, but `0` is the first i.e. "open"
setOpenIndex(index || 0)
},
[setOpenIndex],
)
const close = React.useCallback(() => {
sheet.current?.close()
}, [])
useImperativeHandle(
control.ref,
() => ({
open,
close,
}),
[open, close],
)
const onChange = React.useCallback(
(index: number) => {
if (index === -1) {
onClose?.()
setOpenIndex(-1)
}
},
[onClose, setOpenIndex],
)
const context = React.useMemo(() => ({close}), [close])
return (
isOpen && (
<Portal>
<BottomSheet
enableDynamicSizing={!hasSnapPoints}
enablePanDownToClose
keyboardBehavior="interactive"
android_keyboardInputMode="adjustResize"
keyboardBlurBehavior="restore"
topInset={insets.top}
{...sheetOptions}
ref={sheet}
index={openIndex}
backgroundStyle={{backgroundColor: 'transparent'}}
backdropComponent={props => (
<BottomSheetBackdrop
opacity={0.4}
appearsOnIndex={0}
disappearsOnIndex={-1}
{...props}
/>
)}
handleIndicatorStyle={{backgroundColor: t.palette.primary_500}}
handleStyle={{display: 'none'}}
onChange={onChange}>
<Context.Provider value={context}>
<View
style={[
a.absolute,
a.inset_0,
t.atoms.bg,
{
borderTopLeftRadius: 40,
borderTopRightRadius: 40,
height: Dimensions.get('window').height * 2,
},
]}
/>
{hasSnapPoints ? children : <View>{children}</View>}
</Context.Provider>
</BottomSheet>
</Portal>
)
)
}
export function Inner({children, style}: DialogInnerProps) {
const insets = useSafeAreaInsets()
return (
<BottomSheetView
style={[
a.p_xl,
{
paddingTop: 40,
borderTopLeftRadius: 40,
borderTopRightRadius: 40,
paddingBottom: insets.bottom + a.pb_5xl.paddingBottom,
},
flatten(style),
]}>
{children}
</BottomSheetView>
)
}
export function ScrollableInner({children, style}: DialogInnerProps) {
const insets = useSafeAreaInsets()
return (
<BottomSheetScrollView
keyboardShouldPersistTaps="handled"
keyboardDismissMode="on-drag"
style={[
a.flex_1, // main diff is this
a.p_xl,
a.h_full,
{
paddingTop: 40,
borderTopLeftRadius: 40,
borderTopRightRadius: 40,
},
flatten(style),
]}>
{children}
<View style={{height: insets.bottom + a.pt_5xl.paddingTop}} />
</BottomSheetScrollView>
)
}
export function Handle() {
const t = useTheme()
return (
<View style={[a.absolute, a.w_full, a.align_center, a.z_10, {height: 40}]}>
<View
style={[
a.rounded_sm,
{
top: a.pt_lg.paddingTop,
width: 35,
height: 4,
alignSelf: 'center',
backgroundColor: t.palette.contrast_900,
opacity: 0.5,
},
]}
/>
</View>
)
}
export function Close() {
return null
}
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