hometown/app/javascript/mastodon/features/audio/index.js

473 lines
14 KiB
JavaScript

import React from 'react';
import PropTypes from 'prop-types';
import { defineMessages, injectIntl } from 'react-intl';
import { formatTime } from 'mastodon/features/video';
import Icon from 'mastodon/components/icon';
import classNames from 'classnames';
import { throttle } from 'lodash';
import { getPointerPosition, fileNameFromURL } from 'mastodon/features/video';
import { debounce } from 'lodash';
import Visualizer from './visualizer';
const messages = defineMessages({
play: { id: 'video.play', defaultMessage: 'Play' },
pause: { id: 'video.pause', defaultMessage: 'Pause' },
mute: { id: 'video.mute', defaultMessage: 'Mute sound' },
unmute: { id: 'video.unmute', defaultMessage: 'Unmute sound' },
download: { id: 'video.download', defaultMessage: 'Download file' },
});
const TICK_SIZE = 10;
const PADDING = 180;
export default @injectIntl
class Audio extends React.PureComponent {
static propTypes = {
src: PropTypes.string.isRequired,
alt: PropTypes.string,
poster: PropTypes.string,
duration: PropTypes.number,
width: PropTypes.number,
height: PropTypes.number,
editable: PropTypes.bool,
fullscreen: PropTypes.bool,
intl: PropTypes.object.isRequired,
cacheWidth: PropTypes.func,
backgroundColor: PropTypes.string,
foregroundColor: PropTypes.string,
accentColor: PropTypes.string,
currentTime: PropTypes.number,
autoPlay: PropTypes.bool,
volume: PropTypes.number,
muted: PropTypes.bool,
deployPictureInPicture: PropTypes.func,
};
state = {
width: this.props.width,
currentTime: 0,
buffer: 0,
duration: null,
paused: true,
muted: false,
volume: 0.5,
dragging: false,
};
constructor (props) {
super(props);
this.visualizer = new Visualizer(TICK_SIZE);
}
setPlayerRef = c => {
this.player = c;
if (this.player) {
this._setDimensions();
}
}
_pack() {
return {
src: this.props.src,
volume: this.audio.volume,
muted: this.audio.muted,
currentTime: this.audio.currentTime,
poster: this.props.poster,
backgroundColor: this.props.backgroundColor,
foregroundColor: this.props.foregroundColor,
accentColor: this.props.accentColor,
};
}
_setDimensions () {
const width = this.player.offsetWidth;
const height = this.props.fullscreen ? this.player.offsetHeight : (width / (16/9));
if (this.props.cacheWidth) {
this.props.cacheWidth(width);
}
this.setState({ width, height });
}
setSeekRef = c => {
this.seek = c;
}
setVolumeRef = c => {
this.volume = c;
}
setAudioRef = c => {
this.audio = c;
if (this.audio) {
this.setState({ volume: this.audio.volume, muted: this.audio.muted });
}
}
setCanvasRef = c => {
this.canvas = c;
this.visualizer.setCanvas(c);
}
componentDidMount () {
window.addEventListener('scroll', this.handleScroll);
window.addEventListener('resize', this.handleResize, { passive: true });
}
componentDidUpdate (prevProps, prevState) {
if (prevProps.src !== this.props.src || this.state.width !== prevState.width || this.state.height !== prevState.height || prevProps.accentColor !== this.props.accentColor) {
this._clear();
this._draw();
}
}
componentWillUnmount () {
window.removeEventListener('scroll', this.handleScroll);
window.removeEventListener('resize', this.handleResize);
if (!this.state.paused && this.audio && this.props.deployPictureInPicture) {
this.props.deployPictureInPicture('audio', this._pack());
}
}
togglePlay = () => {
if (!this.audioContext) {
this._initAudioContext();
}
if (this.state.paused) {
this.setState({ paused: false }, () => this.audio.play());
} else {
this.setState({ paused: true }, () => this.audio.pause());
}
}
handleResize = debounce(() => {
if (this.player) {
this._setDimensions();
}
}, 250, {
trailing: true,
});
handlePlay = () => {
this.setState({ paused: false });
if (this.audioContext && this.audioContext.state === 'suspended') {
this.audioContext.resume();
}
this._renderCanvas();
}
handlePause = () => {
this.setState({ paused: true });
if (this.audioContext) {
this.audioContext.suspend();
}
}
handleProgress = () => {
const lastTimeRange = this.audio.buffered.length - 1;
if (lastTimeRange > -1) {
this.setState({ buffer: Math.ceil(this.audio.buffered.end(lastTimeRange) / this.audio.duration * 100) });
}
}
toggleMute = () => {
const muted = !this.state.muted;
this.setState({ muted }, () => {
this.audio.muted = muted;
});
}
handleVolumeMouseDown = e => {
document.addEventListener('mousemove', this.handleMouseVolSlide, true);
document.addEventListener('mouseup', this.handleVolumeMouseUp, true);
document.addEventListener('touchmove', this.handleMouseVolSlide, true);
document.addEventListener('touchend', this.handleVolumeMouseUp, true);
this.handleMouseVolSlide(e);
e.preventDefault();
e.stopPropagation();
}
handleVolumeMouseUp = () => {
document.removeEventListener('mousemove', this.handleMouseVolSlide, true);
document.removeEventListener('mouseup', this.handleVolumeMouseUp, true);
document.removeEventListener('touchmove', this.handleMouseVolSlide, true);
document.removeEventListener('touchend', this.handleVolumeMouseUp, true);
}
handleMouseDown = e => {
document.addEventListener('mousemove', this.handleMouseMove, true);
document.addEventListener('mouseup', this.handleMouseUp, true);
document.addEventListener('touchmove', this.handleMouseMove, true);
document.addEventListener('touchend', this.handleMouseUp, true);
this.setState({ dragging: true });
this.audio.pause();
this.handleMouseMove(e);
e.preventDefault();
e.stopPropagation();
}
handleMouseUp = () => {
document.removeEventListener('mousemove', this.handleMouseMove, true);
document.removeEventListener('mouseup', this.handleMouseUp, true);
document.removeEventListener('touchmove', this.handleMouseMove, true);
document.removeEventListener('touchend', this.handleMouseUp, true);
this.setState({ dragging: false });
this.audio.play();
}
handleMouseMove = throttle(e => {
const { x } = getPointerPosition(this.seek, e);
const currentTime = this.audio.duration * x;
if (!isNaN(currentTime)) {
this.setState({ currentTime }, () => {
this.audio.currentTime = currentTime;
});
}
}, 15);
handleTimeUpdate = () => {
this.setState({
currentTime: this.audio.currentTime,
duration: Math.floor(this.audio.duration),
});
}
handleMouseVolSlide = throttle(e => {
const { x } = getPointerPosition(this.volume, e);
if(!isNaN(x)) {
this.setState({ volume: x }, () => {
this.audio.volume = x;
});
}
}, 15);
handleScroll = throttle(() => {
if (!this.canvas || !this.audio) {
return;
}
const { top, height } = this.canvas.getBoundingClientRect();
const inView = (top <= (window.innerHeight || document.documentElement.clientHeight)) && (top + height >= 0);
if (!this.state.paused && !inView) {
this.audio.pause();
if (this.props.deployPictureInPicture) {
this.props.deployPictureInPicture('audio', this._pack());
}
this.setState({ paused: true });
}
}, 150, { trailing: true });
handleMouseEnter = () => {
this.setState({ hovered: true });
}
handleMouseLeave = () => {
this.setState({ hovered: false });
}
handleLoadedData = () => {
const { autoPlay, currentTime, volume, muted } = this.props;
if (currentTime) {
this.audio.currentTime = currentTime;
}
if (volume !== undefined) {
this.audio.volume = volume;
}
if (muted !== undefined) {
this.audio.muted = muted;
}
if (autoPlay) {
this.togglePlay();
}
}
_initAudioContext () {
const AudioContext = window.AudioContext || window.webkitAudioContext;
const context = new AudioContext();
const source = context.createMediaElementSource(this.audio);
this.visualizer.setAudioContext(context, source);
source.connect(context.destination);
this.audioContext = context;
}
handleDownload = () => {
fetch(this.props.src).then(res => res.blob()).then(blob => {
const element = document.createElement('a');
const objectURL = URL.createObjectURL(blob);
element.setAttribute('href', objectURL);
element.setAttribute('download', fileNameFromURL(this.props.src));
document.body.appendChild(element);
element.click();
document.body.removeChild(element);
URL.revokeObjectURL(objectURL);
}).catch(err => {
console.error(err);
});
}
_renderCanvas () {
requestAnimationFrame(() => {
if (!this.audio) return;
this.handleTimeUpdate();
this._clear();
this._draw();
if (!this.state.paused) {
this._renderCanvas();
}
});
}
_clear() {
this.visualizer.clear(this.state.width, this.state.height);
}
_draw() {
this.visualizer.draw(this._getCX(), this._getCY(), this._getAccentColor(), this._getRadius(), this._getScaleCoefficient());
}
_getRadius () {
return parseInt(((this.state.height || this.props.height) - (PADDING * this._getScaleCoefficient()) * 2) / 2);
}
_getScaleCoefficient () {
return (this.state.height || this.props.height) / 982;
}
_getCX() {
return Math.floor(this.state.width / 2);
}
_getCY() {
return Math.floor(this._getRadius() + (PADDING * this._getScaleCoefficient()));
}
_getAccentColor () {
return this.props.accentColor || '#ffffff';
}
_getBackgroundColor () {
return this.props.backgroundColor || '#000000';
}
_getForegroundColor () {
return this.props.foregroundColor || '#ffffff';
}
render () {
const { src, intl, alt, editable, autoPlay } = this.props;
const { paused, muted, volume, currentTime, duration, buffer, dragging } = this.state;
const progress = Math.min((currentTime / duration) * 100, 100);
return (
<div className={classNames('audio-player', { editable })} ref={this.setPlayerRef} style={{ backgroundColor: this._getBackgroundColor(), color: this._getForegroundColor(), width: '100%', height: this.props.fullscreen ? '100%' : (this.state.height || this.props.height) }} onMouseEnter={this.handleMouseEnter} onMouseLeave={this.handleMouseLeave}>
<audio
src={src}
ref={this.setAudioRef}
preload={autoPlay ? 'auto' : 'none'}
onPlay={this.handlePlay}
onPause={this.handlePause}
onProgress={this.handleProgress}
onLoadedData={this.handleLoadedData}
crossOrigin='anonymous'
/>
<canvas
role='button'
className='audio-player__canvas'
width={this.state.width}
height={this.state.height}
style={{ width: '100%', position: 'absolute', top: 0, left: 0 }}
ref={this.setCanvasRef}
onClick={this.togglePlay}
title={alt}
aria-label={alt}
/>
<img
src={this.props.poster}
alt=''
width={(this._getRadius() - TICK_SIZE) * 2}
height={(this._getRadius() - TICK_SIZE) * 2}
style={{ position: 'absolute', left: this._getCX(), top: this._getCY(), transform: 'translate(-50%, -50%)', borderRadius: '50%', pointerEvents: 'none' }}
/>
<div className='video-player__seek' onMouseDown={this.handleMouseDown} ref={this.setSeekRef}>
<div className='video-player__seek__buffer' style={{ width: `${buffer}%` }} />
<div className='video-player__seek__progress' style={{ width: `${progress}%`, backgroundColor: this._getAccentColor() }} />
<span
className={classNames('video-player__seek__handle', { active: dragging })}
tabIndex='0'
style={{ left: `${progress}%`, backgroundColor: this._getAccentColor() }}
/>
</div>
<div className='video-player__controls active'>
<div className='video-player__buttons-bar'>
<div className='video-player__buttons left'>
<button type='button' title={intl.formatMessage(paused ? messages.play : messages.pause)} aria-label={intl.formatMessage(paused ? messages.play : messages.pause)} className='player-button' onClick={this.togglePlay}><Icon id={paused ? 'play' : 'pause'} fixedWidth /></button>
<button type='button' title={intl.formatMessage(muted ? messages.unmute : messages.mute)} aria-label={intl.formatMessage(muted ? messages.unmute : messages.mute)} className='player-button' onClick={this.toggleMute}><Icon id={muted ? 'volume-off' : 'volume-up'} fixedWidth /></button>
<div className={classNames('video-player__volume', { active: this.state.hovered })} ref={this.setVolumeRef} onMouseDown={this.handleVolumeMouseDown}>
<div className='video-player__volume__current' style={{ width: `${volume * 100}%`, backgroundColor: this._getAccentColor() }} />
<span
className='video-player__volume__handle'
tabIndex='0'
style={{ left: `${volume * 100}%`, backgroundColor: this._getAccentColor() }}
/>
</div>
<span className='video-player__time'>
<span className='video-player__time-current'>{formatTime(Math.floor(currentTime))}</span>
<span className='video-player__time-sep'>/</span>
<span className='video-player__time-total'>{formatTime(this.state.duration || Math.floor(this.props.duration))}</span>
</span>
</div>
<div className='video-player__buttons right'>
<a title={intl.formatMessage(messages.download)} aria-label={intl.formatMessage(messages.download)} className='video-player__download__icon player-button' href={this.props.src} download>
<Icon id={'download'} fixedWidth />
</a>
</div>
</div>
</div>
</div>
);
}
}