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import * as React from 'react'
import {
Dimensions,
type LayoutChangeEvent,
type NativeSyntheticEvent,
Platform,
type StyleProp,
View,
type ViewStyle,
} from 'react-native'
import {useSafeAreaInsets} from 'react-native-safe-area-context'
import {requireNativeModule, requireNativeViewManager} from 'expo-modules-core'
import {isIOS} from '#/platform/detection'
import {
type BottomSheetState,
type BottomSheetViewProps,
} from './BottomSheet.types'
import {BottomSheetPortalProvider} from './BottomSheetPortal'
import {Context as PortalContext} from './BottomSheetPortal'
const screenHeight = Dimensions.get('screen').height
const NativeView: React.ComponentType<
BottomSheetViewProps & {
ref: React.RefObject<any>
style: StyleProp<ViewStyle>
}
> = requireNativeViewManager('BottomSheet')
const NativeModule = requireNativeModule('BottomSheet')
const isIOS15 = Platform.OS === 'ios' && Number(Platform.Version) < 16
export class BottomSheetNativeComponent extends React.Component<
BottomSheetViewProps,
{
open: boolean
viewHeight?: number
}
> {
ref = React.createRef<any>()
static contextType = PortalContext
constructor(props: BottomSheetViewProps) {
super(props)
this.state = {
open: false,
}
}
present() {
this.setState({open: true})
}
dismiss() {
this.ref.current?.dismiss()
}
private onStateChange = (
event: NativeSyntheticEvent<{state: BottomSheetState}>,
) => {
const {state} = event.nativeEvent
const isOpen = state !== 'closed'
this.setState({open: isOpen})
this.props.onStateChange?.(event)
}
private updateLayout = () => {
this.ref.current?.updateLayout()
}
static dismissAll = async () => {
await NativeModule.dismissAll()
}
render() {
const Portal = this.context as React.ContextType<typeof PortalContext>
if (!Portal) {
throw new Error(
'BottomSheet: You need to wrap your component tree with a <BottomSheetPortalProvider> to use the bottom sheet.',
)
}
if (!this.state.open) {
return null
}
let extraStyles
if (isIOS15 && this.state.viewHeight) {
const {viewHeight} = this.state
const cornerRadius = this.props.cornerRadius ?? 0
if (viewHeight < screenHeight / 2) {
extraStyles = {
height: viewHeight,
marginTop: screenHeight / 2 - viewHeight,
borderTopLeftRadius: cornerRadius,
borderTopRightRadius: cornerRadius,
}
}
}
return (
<Portal>
<BottomSheetNativeComponentInner
{...this.props}
nativeViewRef={this.ref}
onStateChange={this.onStateChange}
extraStyles={extraStyles}
onLayout={e => {
const {height} = e.nativeEvent.layout
this.setState({viewHeight: height})
this.updateLayout()
}}
/>
</Portal>
)
}
}
function BottomSheetNativeComponentInner({
children,
backgroundColor,
onLayout,
onStateChange,
nativeViewRef,
extraStyles,
...rest
}: BottomSheetViewProps & {
extraStyles?: StyleProp<ViewStyle>
onStateChange: (
event: NativeSyntheticEvent<{state: BottomSheetState}>,
) => void
nativeViewRef: React.RefObject<View>
onLayout: (event: LayoutChangeEvent) => void
}) {
const insets = useSafeAreaInsets()
const cornerRadius = rest.cornerRadius ?? 0
const sheetHeight = isIOS ? screenHeight - insets.top : screenHeight
return (
<NativeView
{...rest}
onStateChange={onStateChange}
ref={nativeViewRef}
style={{
position: 'absolute',
height: sheetHeight,
width: '100%',
}}
containerBackgroundColor={backgroundColor}>
<View
style={[
{
flex: 1,
backgroundColor,
},
Platform.OS === 'android' && {
borderTopLeftRadius: cornerRadius,
borderTopRightRadius: cornerRadius,
},
extraStyles,
]}>
<View onLayout={onLayout}>
<BottomSheetPortalProvider>{children}</BottomSheetPortalProvider>
</View>
</View>
</NativeView>
)
}
|
