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
|
import React from 'react'
import {findNodeHandle, View} from 'react-native'
import {msg, Trans} from '@lingui/macro'
import {useLingui} from '@lingui/react'
import {useQueryClient} from '@tanstack/react-query'
import {useInitialNumToRender} from '#/lib/hooks/useInitialNumToRender'
import {usePalette} from '#/lib/hooks/usePalette'
import {isNative} from '#/platform/detection'
import {FeedDescriptor} from '#/state/queries/post-feed'
import {RQKEY as FEED_RQKEY} from '#/state/queries/post-feed'
import {truncateAndInvalidate} from '#/state/queries/util'
import {Feed} from '#/view/com/posts/Feed'
import {EmptyState} from '#/view/com/util/EmptyState'
import {ListRef} from '#/view/com/util/List'
import {LoadLatestBtn} from '#/view/com/util/load-latest/LoadLatestBtn'
import {Text} from '#/view/com/util/text/Text'
import {ios} from '#/alf'
import {SectionRef} from './types'
interface FeedSectionProps {
feed: FeedDescriptor
headerHeight: number
isFocused: boolean
scrollElRef: ListRef
ignoreFilterFor?: string
setScrollViewTag: (tag: number | null) => void
}
export const ProfileFeedSection = React.forwardRef<
SectionRef,
FeedSectionProps
>(function FeedSectionImpl(
{
feed,
headerHeight,
isFocused,
scrollElRef,
ignoreFilterFor,
setScrollViewTag,
},
ref,
) {
const {_} = useLingui()
const queryClient = useQueryClient()
const [hasNew, setHasNew] = React.useState(false)
const [isScrolledDown, setIsScrolledDown] = React.useState(false)
const shouldUseAdjustedNumToRender = feed.endsWith('posts_and_author_threads')
const adjustedInitialNumToRender = useInitialNumToRender({
screenHeightOffset: headerHeight,
})
const onScrollToTop = React.useCallback(() => {
scrollElRef.current?.scrollToOffset({
animated: isNative,
offset: -headerHeight,
})
truncateAndInvalidate(queryClient, FEED_RQKEY(feed))
setHasNew(false)
}, [scrollElRef, headerHeight, queryClient, feed, setHasNew])
React.useImperativeHandle(ref, () => ({
scrollToTop: onScrollToTop,
}))
const renderPostsEmpty = React.useCallback(() => {
return <EmptyState icon="growth" message={_(msg`No posts yet.`)} />
}, [_])
React.useEffect(() => {
if (isFocused && scrollElRef.current) {
const nativeTag = findNodeHandle(scrollElRef.current)
setScrollViewTag(nativeTag)
}
}, [isFocused, scrollElRef, setScrollViewTag])
return (
<View>
<Feed
testID="postsFeed"
enabled={isFocused}
feed={feed}
scrollElRef={scrollElRef}
onHasNew={setHasNew}
onScrolledDownChange={setIsScrolledDown}
renderEmptyState={renderPostsEmpty}
headerOffset={headerHeight}
progressViewOffset={ios(0)}
renderEndOfFeed={ProfileEndOfFeed}
ignoreFilterFor={ignoreFilterFor}
initialNumToRender={
shouldUseAdjustedNumToRender ? adjustedInitialNumToRender : undefined
}
/>
{(isScrolledDown || hasNew) && (
<LoadLatestBtn
onPress={onScrollToTop}
label={_(msg`Load new posts`)}
showIndicator={hasNew}
/>
)}
</View>
)
})
function ProfileEndOfFeed() {
const pal = usePalette('default')
return (
<View
style={[
pal.border,
{paddingTop: 32, paddingBottom: 32, borderTopWidth: 1},
]}>
<Text style={[pal.textLight, pal.border, {textAlign: 'center'}]}>
<Trans>End of feed</Trans>
</Text>
</View>
)
}
|
