signal-desktop/ts/components/PlaybackButton.tsx
2023-03-02 13:55:40 -07:00

86 lines
2.1 KiB
TypeScript

// Copyright 2023 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
import { animated, useSpring } from '@react-spring/web';
import classNames from 'classnames';
import React, { useCallback } from 'react';
const SPRING_CONFIG = {
mass: 0.5,
tension: 350,
friction: 20,
velocity: 0.01,
};
type ButtonProps = {
context?: 'incoming' | 'outgoing';
variant: 'message' | 'mini' | 'draft';
mod: 'play' | 'pause' | 'download' | 'pending';
label: string;
visible?: boolean;
onClick: () => void;
onMouseDown?: () => void;
onMouseUp?: () => void;
};
/** Handles animations, key events, and stopping event propagation */
export const PlaybackButton = React.forwardRef<HTMLButtonElement, ButtonProps>(
function ButtonInner(props, ref) {
const { mod, label, variant, onClick, context, visible = true } = props;
const [animProps] = useSpring(
{
config: SPRING_CONFIG,
to: { scale: visible ? 1 : 0 },
},
[visible]
);
// Clicking button toggle playback
const onButtonClick = useCallback(
(event: React.MouseEvent) => {
event.stopPropagation();
event.preventDefault();
onClick();
},
[onClick]
);
// Keyboard playback toggle
const onButtonKeyDown = useCallback(
(event: React.KeyboardEvent) => {
if (event.key !== 'Enter' && event.key !== 'Space') {
return;
}
event.stopPropagation();
event.preventDefault();
onClick();
},
[onClick]
);
const buttonComponent = (
<button
type="button"
ref={ref}
className={classNames(
'PlaybackButton',
`PlaybackButton--variant-${variant}`,
context && `PlaybackButton--context-${context}`,
mod ? `PlaybackButton--${mod}` : undefined
)}
onClick={onButtonClick}
onKeyDown={onButtonKeyDown}
tabIndex={0}
aria-label={label}
/>
);
if (variant === 'message') {
return <animated.div style={animProps}>{buttonComponent}</animated.div>;
}
return buttonComponent;
}
);