signal-desktop/ts/components/conversation/TimelineFloatingHeader.tsx
2022-03-09 14:44:57 -08:00

53 lines
1.3 KiB
TypeScript

// Copyright 2022 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
import classNames from 'classnames';
import type { CSSProperties, ReactElement } from 'react';
import React, { useEffect, useState } from 'react';
import type { LocalizerType } from '../../types/Util';
import { TimelineDateHeader } from './TimelineDateHeader';
import { Spinner } from '../Spinner';
export const TimelineFloatingHeader = ({
i18n,
isLoading,
style,
timestamp,
visible,
}: Readonly<{
i18n: LocalizerType;
isLoading: boolean;
style?: CSSProperties;
timestamp: number;
visible: boolean;
}>): ReactElement => {
const [hasRendered, setHasRendered] = useState(false);
useEffect(() => {
setHasRendered(true);
}, []);
return (
<div
className={classNames(
'TimelineFloatingHeader',
`TimelineFloatingHeader--${
visible && hasRendered ? 'visible' : 'hidden'
}`
)}
style={style}
>
<TimelineDateHeader floating i18n={i18n} timestamp={timestamp} />
<div
className={classNames(
'TimelineFloatingHeader__spinner-container',
`TimelineFloatingHeader__spinner-container--${
isLoading ? 'visible' : 'hidden'
}`
)}
>
<Spinner direction="on-background" size="20px" svgSize="small" />
</div>
</div>
);
};