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
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
import React from 'react'
import {observer} from 'mobx-react-lite'
import {Animated, StyleSheet, TouchableOpacity, View} from 'react-native'
import {FontAwesomeIcon} from '@fortawesome/react-native-fontawesome'
import {UserAvatar} from './UserAvatar'
import {Text} from './text/Text'
import {useStores} from 'state/index'
import {usePalette} from 'lib/hooks/usePalette'
import {useAnimatedValue} from 'lib/hooks/useAnimatedValue'
import {useAnalytics} from 'lib/analytics'
import {isDesktopWeb} from '../../../platform/detection'
const BACK_HITSLOP = {left: 10, top: 10, right: 30, bottom: 10}
export const ViewHeader = observer(function ViewHeader({
title,
canGoBack,
hideOnScroll,
}: {
title: string
canGoBack?: boolean
hideOnScroll?: boolean
}) {
const pal = usePalette('default')
const store = useStores()
const {track} = useAnalytics()
const onPressBack = () => {
store.nav.tab.goBack()
}
const onPressMenu = () => {
track('ViewHeader:MenuButtonClicked')
store.shell.setMainMenuOpen(true)
}
if (typeof canGoBack === 'undefined') {
canGoBack = store.nav.tab.canGoBack
}
if (isDesktopWeb) {
return undefined
}
return (
<Container hideOnScroll={hideOnScroll || false}>
<TouchableOpacity
testID="viewHeaderBackOrMenuBtn"
onPress={canGoBack ? onPressBack : onPressMenu}
hitSlop={BACK_HITSLOP}
style={canGoBack ? styles.backBtn : styles.backBtnWide}>
{canGoBack ? (
<FontAwesomeIcon
size={18}
icon="angle-left"
style={[styles.backIcon, pal.text]}
/>
) : (
<UserAvatar
size={30}
handle={store.me.handle}
displayName={store.me.displayName}
avatar={store.me.avatar}
/>
)}
</TouchableOpacity>
<View style={styles.titleContainer} pointerEvents="none">
<Text type="title" style={[pal.text, styles.title]}>
{title}
</Text>
</View>
<View style={canGoBack ? styles.backBtn : styles.backBtnWide} />
</Container>
)
})
const Container = observer(
({
children,
hideOnScroll,
}: {
children: React.ReactNode
hideOnScroll: boolean
}) => {
const store = useStores()
const pal = usePalette('default')
const interp = useAnimatedValue(0)
React.useEffect(() => {
if (store.shell.minimalShellMode) {
Animated.timing(interp, {
toValue: 1,
duration: 100,
useNativeDriver: true,
isInteraction: false,
}).start()
} else {
Animated.timing(interp, {
toValue: 0,
duration: 100,
useNativeDriver: true,
isInteraction: false,
}).start()
}
}, [interp, store.shell.minimalShellMode])
const transform = {
transform: [{translateY: Animated.multiply(interp, -100)}],
}
if (!hideOnScroll) {
return <View style={[styles.header, pal.view]}>{children}</View>
}
return (
<Animated.View
style={[styles.header, pal.view, styles.headerFloating, transform]}>
{children}
</Animated.View>
)
},
)
const styles = StyleSheet.create({
header: {
flexDirection: 'row',
alignItems: 'center',
paddingHorizontal: 12,
paddingTop: 6,
paddingBottom: 6,
},
headerFloating: {
position: 'absolute',
top: 0,
width: '100%',
},
titleContainer: {
marginLeft: 'auto',
marginRight: 'auto',
paddingRight: 10,
},
title: {
fontWeight: 'bold',
},
backBtn: {
width: 30,
height: 30,
},
backBtnWide: {
width: 40,
height: 30,
marginLeft: 6,
},
backIcon: {
marginTop: 6,
},
})
|
