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Diffstat (limited to 'src/lib/hooks/useHideBottomBarBorder.tsx')
-rw-r--r-- | src/lib/hooks/useHideBottomBarBorder.tsx | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/lib/hooks/useHideBottomBarBorder.tsx b/src/lib/hooks/useHideBottomBarBorder.tsx new file mode 100644 index 000000000..e21184fda --- /dev/null +++ b/src/lib/hooks/useHideBottomBarBorder.tsx @@ -0,0 +1,50 @@ +import {createContext, useCallback, useContext, useState} from 'react' +import {useFocusEffect} from '@react-navigation/native' + +type HideBottomBarBorderSetter = () => () => void + +const HideBottomBarBorderContext = createContext<boolean>(false) +const HideBottomBarBorderSetterContext = + createContext<HideBottomBarBorderSetter | null>(null) + +export function useHideBottomBarBorderSetter() { + const hideBottomBarBorder = useContext(HideBottomBarBorderSetterContext) + if (!hideBottomBarBorder) { + throw new Error( + 'useHideBottomBarBorderSetter must be used within a HideBottomBarBorderProvider', + ) + } + return hideBottomBarBorder +} + +export function useHideBottomBarBorderForScreen() { + const hideBorder = useHideBottomBarBorderSetter() + + useFocusEffect( + useCallback(() => { + const cleanup = hideBorder() + return () => cleanup() + }, [hideBorder]), + ) +} + +export function useHideBottomBarBorder() { + return useContext(HideBottomBarBorderContext) +} + +export function Provider({children}: {children: React.ReactNode}) { + const [refCount, setRefCount] = useState(0) + + const setter = useCallback(() => { + setRefCount(prev => prev + 1) + return () => setRefCount(prev => prev - 1) + }, []) + + return ( + <HideBottomBarBorderSetterContext.Provider value={setter}> + <HideBottomBarBorderContext.Provider value={refCount > 0}> + {children} + </HideBottomBarBorderContext.Provider> + </HideBottomBarBorderSetterContext.Provider> + ) +} |