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import {
FontAwesomeIcon,
FontAwesomeIconStyle,
} from '@fortawesome/react-native-fontawesome'
import {useIsFocused} from '@react-navigation/native'
import {useAnalytics} from '@segment/analytics-react-native'
import {useOnMainScroll} from 'lib/hooks/useOnMainScroll'
import {usePalette} from 'lib/hooks/usePalette'
import {useWebMediaQueries} from 'lib/hooks/useWebMediaQueries'
import {ComposeIcon2} from 'lib/icons'
import {colors, s} from 'lib/styles'
import {observer} from 'mobx-react-lite'
import React from 'react'
import {FlatList, View} from 'react-native'
import {useStores} from 'state/index'
import {PostsFeedModel} from 'state/models/feeds/posts'
import {useHeaderOffset, POLL_FREQ} from 'view/screens/Home'
import {Feed} from '../posts/Feed'
import {TextLink} from '../util/Link'
import {FAB} from '../util/fab/FAB'
import {LoadLatestBtn} from '../util/load-latest/LoadLatestBtn'
import useAppState from 'react-native-appstate-hook'
import {logger} from '#/logger'
import {msg} from '@lingui/macro'
import {useLingui} from '@lingui/react'
export const FeedPage = observer(function FeedPageImpl({
testID,
isPageFocused,
feed,
renderEmptyState,
renderEndOfFeed,
}: {
testID?: string
feed: PostsFeedModel
isPageFocused: boolean
renderEmptyState: () => JSX.Element
renderEndOfFeed?: () => JSX.Element
}) {
const store = useStores()
const pal = usePalette('default')
const {_} = useLingui()
const {isDesktop} = useWebMediaQueries()
const [onMainScroll, isScrolledDown, resetMainScroll] = useOnMainScroll()
const {screen, track} = useAnalytics()
const headerOffset = useHeaderOffset()
const scrollElRef = React.useRef<FlatList>(null)
const {appState} = useAppState({
onForeground: () => doPoll(true),
})
const isScreenFocused = useIsFocused()
const hasNew = feed.hasNewLatest && !feed.isRefreshing
React.useEffect(() => {
// called on first load
if (!feed.hasLoaded && isPageFocused) {
feed.setup()
}
}, [isPageFocused, feed])
const doPoll = React.useCallback(
(knownActive = false) => {
if (
(!knownActive && appState !== 'active') ||
!isScreenFocused ||
!isPageFocused
) {
return
}
if (feed.isLoading) {
return
}
logger.debug('HomeScreen: Polling for new posts')
feed.checkForLatest()
},
[appState, isScreenFocused, isPageFocused, feed],
)
const scrollToTop = React.useCallback(() => {
scrollElRef.current?.scrollToOffset({offset: -headerOffset})
resetMainScroll()
}, [headerOffset, resetMainScroll])
const onSoftReset = React.useCallback(() => {
if (isPageFocused) {
scrollToTop()
feed.refresh()
}
}, [isPageFocused, scrollToTop, feed])
// fires when page within screen is activated/deactivated
// - check for latest
React.useEffect(() => {
if (!isPageFocused || !isScreenFocused) {
return
}
const softResetSub = store.onScreenSoftReset(onSoftReset)
const feedCleanup = feed.registerListeners()
const pollInterval = setInterval(doPoll, POLL_FREQ)
screen('Feed')
logger.debug('HomeScreen: Updating feed')
feed.checkForLatest()
return () => {
clearInterval(pollInterval)
softResetSub.remove()
feedCleanup()
}
}, [store, doPoll, onSoftReset, screen, feed, isPageFocused, isScreenFocused])
const onPressCompose = React.useCallback(() => {
track('HomeScreen:PressCompose')
store.shell.openComposer({})
}, [store, track])
const onPressLoadLatest = React.useCallback(() => {
scrollToTop()
feed.refresh()
}, [feed, scrollToTop])
const ListHeaderComponent = React.useCallback(() => {
if (isDesktop) {
return (
<View
style={[
pal.view,
{
flexDirection: 'row',
alignItems: 'center',
justifyContent: 'space-between',
paddingHorizontal: 18,
paddingVertical: 12,
},
]}>
<TextLink
type="title-lg"
href="/"
style={[pal.text, {fontWeight: 'bold'}]}
text={
<>
{store.session.isSandbox ? 'SANDBOX' : 'Bluesky'}{' '}
{hasNew && (
<View
style={{
top: -8,
backgroundColor: colors.blue3,
width: 8,
height: 8,
borderRadius: 4,
}}
/>
)}
</>
}
onPress={() => store.emitScreenSoftReset()}
/>
<TextLink
type="title-lg"
href="/settings/home-feed"
style={{fontWeight: 'bold'}}
accessibilityLabel={_(msg`Feed Preferences`)}
accessibilityHint=""
text={
<FontAwesomeIcon
icon="sliders"
style={pal.textLight as FontAwesomeIconStyle}
/>
}
/>
</View>
)
}
return <></>
}, [isDesktop, pal.view, pal.text, pal.textLight, store, hasNew, _])
return (
<View testID={testID} style={s.h100pct}>
<Feed
testID={testID ? `${testID}-feed` : undefined}
feed={feed}
scrollElRef={scrollElRef}
onScroll={onMainScroll}
scrollEventThrottle={100}
renderEmptyState={renderEmptyState}
renderEndOfFeed={renderEndOfFeed}
ListHeaderComponent={ListHeaderComponent}
headerOffset={headerOffset}
/>
{(isScrolledDown || hasNew) && (
<LoadLatestBtn
onPress={onPressLoadLatest}
label={_(msg`Load new posts`)}
showIndicator={hasNew}
/>
)}
<FAB
testID="composeFAB"
onPress={onPressCompose}
icon={<ComposeIcon2 strokeWidth={1.5} size={29} style={s.white} />}
accessibilityRole="button"
accessibilityLabel={_(msg`New post`)}
accessibilityHint=""
/>
</View>
)
})
|
