1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
import * as React from 'react'
import {
Dimensions,
NativeSyntheticEvent,
Platform,
StyleProp,
View,
ViewStyle,
} from 'react-native'
import {requireNativeModule, requireNativeViewManager} from 'expo-modules-core'
import {BottomSheetState, 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
}
const {children, backgroundColor, ...rest} = this.props
const cornerRadius = rest.cornerRadius ?? 0
let extraStyles
if (isIOS15 && this.state.viewHeight) {
const {viewHeight} = this.state
if (viewHeight < screenHeight / 2) {
extraStyles = {
height: viewHeight,
marginTop: screenHeight / 2 - viewHeight,
borderTopLeftRadius: cornerRadius,
borderTopRightRadius: cornerRadius,
}
}
}
return (
<Portal>
<NativeView
{...rest}
onStateChange={this.onStateChange}
ref={this.ref}
style={{
position: 'absolute',
height: screenHeight,
width: '100%',
}}
containerBackgroundColor={backgroundColor}>
<View
style={[
{
flex: 1,
backgroundColor,
},
Platform.OS === 'android' && {
borderTopLeftRadius: cornerRadius,
borderTopRightRadius: cornerRadius,
},
extraStyles,
]}>
<View
onLayout={e => {
const {height} = e.nativeEvent.layout
this.setState({viewHeight: height})
this.updateLayout()
}}>
<BottomSheetPortalProvider>{children}</BottomSheetPortalProvider>
</View>
</View>
</NativeView>
</Portal>
)
}
}
|
