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import React from 'react'
import {type SharedValue, useSharedValue} from 'react-native-reanimated'
type StateContext = {
headerHeight: SharedValue<number>
footerHeight: SharedValue<number>
}
const stateContext = React.createContext<StateContext>({
headerHeight: {
value: 0,
addListener() {},
removeListener() {},
modify() {},
get() {
return 0
},
set() {},
},
footerHeight: {
value: 0,
addListener() {},
removeListener() {},
modify() {},
get() {
return 0
},
set() {},
},
})
stateContext.displayName = 'ShellLayoutContext'
export function Provider({children}: React.PropsWithChildren<{}>) {
const headerHeight = useSharedValue(0)
const footerHeight = useSharedValue(0)
const value = React.useMemo(
() => ({
headerHeight,
footerHeight,
}),
[headerHeight, footerHeight],
)
return <stateContext.Provider value={value}>{children}</stateContext.Provider>
}
export function useShellLayout() {
return React.useContext(stateContext)
}
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