107 lines
2.5 KiB
TypeScript
107 lines
2.5 KiB
TypeScript
// Copyright 2022 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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import classNames from 'classnames';
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import React, { useCallback, useState } from 'react';
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import { animated, useSpring } from '@react-spring/web';
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import type { LocalizerType } from '../types/Util';
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const SPRING_CONFIG = {
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mass: 0.5,
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tension: 350,
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friction: 20,
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velocity: 0.01,
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};
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type Props = {
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// undefined if not playing
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playbackRate: number | undefined;
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variant: 'message-outgoing' | 'message-incoming' | 'mini-player';
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onClick: () => void;
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visible?: boolean;
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i18n: LocalizerType;
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};
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export function PlaybackRateButton({
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playbackRate,
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variant,
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visible = true,
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i18n,
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onClick,
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}: Props): JSX.Element {
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const [isDown, setIsDown] = useState(false);
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const [animProps] = useSpring(
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{
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config: SPRING_CONFIG,
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to: isDown ? { scale: 1.3 } : { scale: visible ? 1 : 0 },
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},
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[visible, isDown]
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);
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// Clicking button toggle playback
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const onButtonClick = useCallback(
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(event: React.MouseEvent) => {
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event.stopPropagation();
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event.preventDefault();
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onClick();
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},
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[onClick]
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);
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// Keyboard playback toggle
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const onButtonKeyDown = useCallback(
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(event: React.KeyboardEvent) => {
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if (event.key !== 'Enter' && event.key !== 'Space') {
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return;
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}
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event.stopPropagation();
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event.preventDefault();
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onClick();
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},
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[onClick]
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);
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const playbackRateLabels: { [key: number]: string } = {
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1: i18n('MessageAudio--playbackRate1'),
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1.5: i18n('MessageAudio--playbackRate1p5'),
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2: i18n('MessageAudio--playbackRate2'),
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0.5: i18n('MessageAudio--playbackRatep5'),
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};
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const label = playbackRate
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? playbackRateLabels[playbackRate].toString()
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: undefined;
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return (
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<animated.div style={animProps}>
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<button
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type="button"
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className={classNames(
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'PlaybackRateButton',
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`PlaybackRateButton--${variant}`
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)}
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onClick={onButtonClick}
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onKeyDown={onButtonKeyDown}
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onMouseDown={() => setIsDown(true)}
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onMouseUp={() => setIsDown(false)}
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onMouseLeave={() => setIsDown(false)}
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aria-label={label}
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tabIndex={0}
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>
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{label}
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</button>
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</animated.div>
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);
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}
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const playbackRates = [1, 1.5, 2, 0.5];
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PlaybackRateButton.nextPlaybackRate = (currentRate: number): number => {
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// cycle through the rates
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return playbackRates[
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(playbackRates.indexOf(currentRate) + 1) % playbackRates.length
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];
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};
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