52 lines
1.9 KiB
TypeScript
52 lines
1.9 KiB
TypeScript
// Copyright 2017-2021 @polkadot/react-hooks authors & contributors
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
|
|
import React, { useEffect, useMemo, useState } from 'react';
|
|
|
|
import { HorizontalPosition, VerticalPosition } from '@polkadot/react-components/Popup/types';
|
|
import { getPosition } from '@polkadot/react-components/Popup/utils';
|
|
|
|
import { createNamedHook } from './createNamedHook';
|
|
import { useElementPosition } from './useElementPosition';
|
|
import { useScroll } from './useScroll';
|
|
import { useWindowSize } from './useWindowSize';
|
|
|
|
interface Coord {
|
|
x: number;
|
|
y: number;
|
|
}
|
|
|
|
interface Result {
|
|
renderWindowPosition?: Coord;
|
|
verticalPosition: VerticalPosition | undefined
|
|
}
|
|
|
|
function usePopupWindowImpl (windowRef: React.RefObject<HTMLDivElement>, triggerRef: React.RefObject<HTMLDivElement>, position: HorizontalPosition): Result {
|
|
const [renderWindowPosition, setRenderWindowPosition] = useState<Coord>();
|
|
const [verticalPosition, setVerticalPosition] = useState<VerticalPosition>();
|
|
const windowPosition = useElementPosition(windowRef);
|
|
const triggerPosition = useElementPosition(triggerRef);
|
|
|
|
const scrollY = useScroll();
|
|
const windowSize = useWindowSize();
|
|
|
|
useEffect(() => {
|
|
if (windowSize && triggerPosition) {
|
|
setVerticalPosition((triggerPosition.y > windowSize.height / 2) ? 'top' : 'bottom');
|
|
}
|
|
}, [triggerPosition, windowSize]);
|
|
|
|
useEffect(() => {
|
|
if (windowPosition && triggerPosition && verticalPosition) {
|
|
setRenderWindowPosition(getPosition(triggerPosition, position, verticalPosition, windowPosition, scrollY, windowSize));
|
|
}
|
|
}, [position, scrollY, triggerPosition, verticalPosition, windowPosition, windowSize]);
|
|
|
|
return useMemo(
|
|
() => ({ renderWindowPosition, verticalPosition }),
|
|
[renderWindowPosition, verticalPosition]
|
|
);
|
|
}
|
|
|
|
export const usePopupWindow = createNamedHook('usePopupWindow', usePopupWindowImpl);
|