1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
/*
* 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 { throttle } from 'lodash';
import { observer } from 'mobx-react-lite';
import Box from '@mui/material/Box';
import React, { useCallback, useRef } from 'react';
import { useStore } from './StoreProvider.jsx';
export const BrowserViewPlaceholder = observer(function BrowserViewPlaceholder() {
const {
setBrowserViewBounds,
} = useStore();
const onResize = useCallback(throttle(([entry]: ResizeObserverEntry[]) => {
if (entry) {
const {
x,
y,
width,
height,
} = entry.target.getBoundingClientRect();
setBrowserViewBounds({
x,
y,
width,
height,
});
}
}, 100), [setBrowserViewBounds]);
const resizeObserverRef = useRef<ResizeObserver | null>(null);
const ref = useCallback((element: HTMLElement | null) => {
if (resizeObserverRef.current !== null) {
resizeObserverRef.current.disconnect();
}
if (element === null) {
resizeObserverRef.current = null;
return;
}
resizeObserverRef.current = new ResizeObserver(onResize);
resizeObserverRef.current.observe(element);
}, [onResize, resizeObserverRef]);
return (
<Box
sx={{
flex: 1,
}}
ref={ref}
/>
);
});
|
