signal-desktop/ts/components/conversation/ReactionPicker.tsx
2020-01-23 15:57:37 -08:00

68 lines
1.9 KiB
TypeScript

import * as React from 'react';
import classNames from 'classnames';
import { Emoji } from '../emoji/Emoji';
import { useRestoreFocus } from '../hooks';
export type OwnProps = {
selected?: string;
onClose?: () => unknown;
onPick: (emoji: string) => unknown;
};
export type Props = OwnProps & Pick<React.HTMLProps<HTMLDivElement>, 'style'>;
const emojis = ['❤️', '👍', '👎', '😂', '😮', '😢', '😡'];
export const ReactionPicker = React.forwardRef<HTMLDivElement, Props>(
({ selected, onClose, onPick, ...rest }, ref) => {
const focusRef = React.useRef<HTMLButtonElement>(null);
// Handle escape key
React.useEffect(() => {
const handler = (e: KeyboardEvent) => {
if (onClose && e.key === 'Escape') {
onClose();
}
};
document.addEventListener('keydown', handler);
return () => {
document.removeEventListener('keydown', handler);
};
}, [onClose]);
// Focus first button and restore focus on unmount
useRestoreFocus(focusRef);
return (
<div {...rest} ref={ref} className="module-reaction-picker">
{emojis.map((emoji, index) => {
const maybeFocusRef = index === 0 ? focusRef : undefined;
return (
<button
key={emoji}
ref={maybeFocusRef}
tabIndex={0}
className={classNames(
'module-reaction-picker__emoji-btn',
emoji === selected
? 'module-reaction-picker__emoji-btn--selected'
: null
)}
onClick={e => {
e.stopPropagation();
onPick(emoji);
}}
>
<div className="module-reaction-picker__emoji-btn__emoji">
<Emoji size={48} emoji={emoji} />
</div>
</button>
);
})}
</div>
);
}
);