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import React from 'react'
import {StatusBar} from 'expo-status-bar'
import {
DimensionValue,
StyleSheet,
useWindowDimensions,
View,
BackHandler,
} from 'react-native'
import {useSafeAreaInsets} from 'react-native-safe-area-context'
import {Drawer} from 'react-native-drawer-layout'
import {useNavigationState} from '@react-navigation/native'
import {ModalsContainer} from 'view/com/modals/Modal'
import {Lightbox} from 'view/com/lightbox/Lightbox'
import {ErrorBoundary} from 'view/com/util/ErrorBoundary'
import {DrawerContent} from './Drawer'
import {Composer} from './Composer'
import {useTheme} from 'lib/ThemeContext'
import {usePalette} from 'lib/hooks/usePalette'
import {RoutesContainer, TabsNavigator} from '../../Navigation'
import {isStateAtTabRoot} from 'lib/routes/helpers'
import {
useIsDrawerOpen,
useSetDrawerOpen,
useIsDrawerSwipeDisabled,
} from '#/state/shell'
import {isAndroid} from 'platform/detection'
import {useSession} from '#/state/session'
import {useCloseAnyActiveElement} from '#/state/util'
import * as notifications from 'lib/notifications/notifications'
import {Outlet as PortalOutlet} from '#/components/Portal'
import {MutedWordsDialog} from '#/components/dialogs/MutedWords'
import {useDialogStateContext} from '#/state/dialogs'
function ShellInner() {
const isDrawerOpen = useIsDrawerOpen()
const isDrawerSwipeDisabled = useIsDrawerSwipeDisabled()
const setIsDrawerOpen = useSetDrawerOpen()
const winDim = useWindowDimensions()
const safeAreaInsets = useSafeAreaInsets()
const containerPadding = React.useMemo(
() => ({height: '100%' as DimensionValue, paddingTop: safeAreaInsets.top}),
[safeAreaInsets],
)
const renderDrawerContent = React.useCallback(() => <DrawerContent />, [])
const onOpenDrawer = React.useCallback(
() => setIsDrawerOpen(true),
[setIsDrawerOpen],
)
const onCloseDrawer = React.useCallback(
() => setIsDrawerOpen(false),
[setIsDrawerOpen],
)
const canGoBack = useNavigationState(state => !isStateAtTabRoot(state))
const {hasSession, currentAccount} = useSession()
const closeAnyActiveElement = useCloseAnyActiveElement()
// start undefined
const currentAccountDid = React.useRef<string | undefined>(undefined)
const {openDialogs} = useDialogStateContext()
React.useEffect(() => {
let listener = {remove() {}}
if (isAndroid) {
listener = BackHandler.addEventListener('hardwareBackPress', () => {
return closeAnyActiveElement()
})
}
return () => {
listener.remove()
}
}, [closeAnyActiveElement])
React.useEffect(() => {
// only runs when did changes
if (currentAccount && currentAccountDid.current !== currentAccount.did) {
currentAccountDid.current = currentAccount.did
notifications.requestPermissionsAndRegisterToken(currentAccount)
const unsub = notifications.registerTokenChangeHandler(currentAccount)
return unsub
}
}, [currentAccount])
/**
* The counterpart to `accessibilityViewIsModal` for Android. This property
* applies to the parent of all non-modal views, and prevents TalkBack from
* navigating within content beneath an open dialog.
*
* @see https://reactnative.dev/docs/accessibility#importantforaccessibility-android
*/
const importantForAccessibility =
openDialogs.length > 0 ? 'no-hide-descendants' : undefined
return (
<>
<View
style={containerPadding}
importantForAccessibility={importantForAccessibility}>
<ErrorBoundary>
<Drawer
renderDrawerContent={renderDrawerContent}
open={isDrawerOpen}
onOpen={onOpenDrawer}
onClose={onCloseDrawer}
swipeEdgeWidth={winDim.width / 2}
swipeEnabled={!canGoBack && hasSession && !isDrawerSwipeDisabled}>
<TabsNavigator />
</Drawer>
</ErrorBoundary>
</View>
<Composer winHeight={winDim.height} />
<ModalsContainer />
<MutedWordsDialog />
<PortalOutlet />
<Lightbox />
</>
)
}
export const Shell: React.FC = function ShellImpl() {
const pal = usePalette('default')
const theme = useTheme()
return (
<View testID="mobileShellView" style={[styles.outerContainer, pal.view]}>
<StatusBar style={theme.colorScheme === 'dark' ? 'light' : 'dark'} />
<RoutesContainer>
<ShellInner />
</RoutesContainer>
</View>
)
}
const styles = StyleSheet.create({
outerContainer: {
height: '100%',
},
})
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