TelegramPWA/src/components/mediaViewer/MediaViewerFooter.tsx

84 lines
2.5 KiB
TypeScript

import type { FC } from '../../lib/teact/teact';
import React, { useEffect, useState } from '../../lib/teact/teact';
import type { TextPart } from '../../types';
import buildClassName from '../../util/buildClassName';
import { throttle } from '../../util/schedulers';
import { IS_TOUCH_ENV } from '../../util/windowEnvironment';
import { REM } from '../common/helpers/mediaDimensions';
import useAppLayout from '../../hooks/useAppLayout';
import useDerivedState from '../../hooks/useDerivedState';
import useControlsSignal from './hooks/useControlsSignal';
import './MediaViewerFooter.scss';
const RESIZE_THROTTLE_MS = 500;
type OwnProps = {
text: TextPart | TextPart[];
onClick: () => void;
isForVideo: boolean;
isForceMobileVersion?: boolean;
isProtected?: boolean;
};
const MediaViewerFooter: FC<OwnProps> = ({
text = '', isForVideo, onClick, isProtected, isForceMobileVersion,
}) => {
const [isMultiline, setIsMultiline] = useState(false);
const { isMobile } = useAppLayout();
const [getIsVisible] = useControlsSignal();
const isHidden = useDerivedState(() => (IS_TOUCH_ENV ? !getIsVisible() : false), [getIsVisible]);
useEffect(() => {
const footerContent = document.querySelector('.MediaViewerFooter .media-text') as HTMLDivElement | null;
const checkIsMultiline = () => {
const height = footerContent ? footerContent.clientHeight : 0;
setIsMultiline(height > REM * 2);
};
// First run for initial detection of multiline footer text
checkIsMultiline();
const handleResize = throttle(checkIsMultiline, RESIZE_THROTTLE_MS, true);
window.addEventListener('resize', handleResize, false);
return () => {
window.removeEventListener('resize', handleResize, false);
};
}, []);
function stopEvent(e: React.MouseEvent<HTMLDivElement, MouseEvent>) {
if (text) {
e.stopPropagation();
}
}
const classNames = buildClassName(
'MediaViewerFooter',
isForVideo && 'is-for-video',
isHidden && 'is-hidden',
isProtected && 'is-protected',
isForceMobileVersion && 'mobile',
);
return (
<div className={classNames} onClick={stopEvent}>
{Boolean(text) && (
<div className="media-viewer-footer-content" onClick={!isMobile ? onClick : undefined}>
<p className={`media-text custom-scroll allow-selection ${isMultiline ? 'multiline' : ''}`} dir="auto">
{text}
</p>
</div>
)}
</div>
);
};
export default MediaViewerFooter;