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/*
* Copyright (C) 2021-2022 Kristóf Marussy <kristof@marussy.com>
*
* This file is part of Sophie.
*
* Sophie is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, version 3.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* SPDX-License-Identifier: AGPL-3.0-only
*/
import Box from '@mui/material/Box';
import throttle from 'lodash-es/throttle';
import React, { ReactNode, useCallback, useRef } from 'react';
import Service from '../stores/Service.js';
function BrowserViewPlaceholder({
service,
children,
}: {
service: Service;
children?: ReactNode;
}): JSX.Element {
// eslint-disable-next-line react-hooks/exhaustive-deps -- react-hooks doesn't support `throttle`.
const onResize = useCallback(
throttle(([entry]: ResizeObserverEntry[]) => {
if (entry) {
const { x, y, width, height } = entry.target.getBoundingClientRect();
service.setBrowserViewBounds({
x: Math.round(x),
y: Math.round(y),
width: Math.round(width),
height: Math.round(height),
});
}
}, 100),
[service],
);
const resizeObserverRef = useRef<ResizeObserver | undefined>();
const ref = useCallback(
(element: HTMLElement | null) => {
if (resizeObserverRef.current !== undefined) {
resizeObserverRef.current.disconnect();
}
if (element === null) {
resizeObserverRef.current = undefined;
return;
}
resizeObserverRef.current = new ResizeObserver(onResize);
resizeObserverRef.current.observe(element);
},
[onResize],
);
return (
<Box ref={ref} flex={1} overflow="auto">
{children}
</Box>
);
}
BrowserViewPlaceholder.defaultProps = {
children: undefined,
};
export default BrowserViewPlaceholder;
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