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index.tsx
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index.tsx
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import type {RefObject} from 'react';
import React, {createContext, useCallback, useEffect, useMemo, useRef, useState} from 'react';
import type {View} from 'react-native';
import type {AnchorRef, PopoverContextProps, PopoverContextValue} from './types';
const PopoverContext = createContext<PopoverContextValue>({
onOpen: () => {},
popover: {},
close: () => {},
isOpen: false,
});
function elementContains(ref: RefObject<View | HTMLElement> | undefined, target: EventTarget | null) {
if (ref?.current && 'contains' in ref?.current && ref?.current?.contains(target as Node)) {
return true;
}
return false;
}
function PopoverContextProvider(props: PopoverContextProps) {
const [isOpen, setIsOpen] = useState(false);
const activePopoverRef = useRef<AnchorRef | null>(null);
const closePopover = useCallback((anchorRef?: RefObject<View | HTMLElement>) => {
if (!activePopoverRef.current || (anchorRef && anchorRef !== activePopoverRef.current.anchorRef)) {
return;
}
activePopoverRef.current.close();
activePopoverRef.current = null;
setIsOpen(false);
}, []);
useEffect(() => {
const listener = (e: Event) => {
if (elementContains(activePopoverRef.current?.ref, e.target) || elementContains(activePopoverRef.current?.anchorRef, e.target)) {
return;
}
const ref = activePopoverRef.current?.anchorRef;
closePopover(ref);
};
document.addEventListener('click', listener, true);
return () => {
document.removeEventListener('click', listener, true);
};
}, [closePopover]);
useEffect(() => {
const listener = (e: Event) => {
if (elementContains(activePopoverRef.current?.ref, e.target)) {
return;
}
closePopover();
};
document.addEventListener('contextmenu', listener);
return () => {
document.removeEventListener('contextmenu', listener);
};
}, [closePopover]);
useEffect(() => {
const listener = (e: KeyboardEvent) => {
if (e.key !== 'Escape') {
return;
}
closePopover();
};
document.addEventListener('keydown', listener, true);
return () => {
document.removeEventListener('keydown', listener, true);
};
}, [closePopover]);
useEffect(() => {
const listener = () => {
if (document.hasFocus()) {
return;
}
closePopover();
};
document.addEventListener('visibilitychange', listener);
return () => {
document.removeEventListener('visibilitychange', listener);
};
}, [closePopover]);
useEffect(() => {
const listener = (e: Event) => {
if (elementContains(activePopoverRef.current?.ref, e.target)) {
return;
}
closePopover();
};
document.addEventListener('wheel', listener, true);
return () => {
document.removeEventListener('wheel', listener, true);
};
}, [closePopover]);
const onOpen = useCallback(
(popoverParams: AnchorRef) => {
if (activePopoverRef.current && activePopoverRef.current.ref !== popoverParams?.ref) {
closePopover(activePopoverRef.current.anchorRef);
}
activePopoverRef.current = popoverParams;
setIsOpen(true);
},
[closePopover],
);
const contextValue = useMemo(
() => ({
onOpen,
close: closePopover,
popover: activePopoverRef.current,
isOpen,
}),
[onOpen, closePopover, isOpen],
);
return <PopoverContext.Provider value={contextValue}>{props.children}</PopoverContext.Provider>;
}
PopoverContextProvider.displayName = 'PopoverContextProvider';
export default PopoverContextProvider;
export {PopoverContext};