mastodon/app/javascript/flavours/glitch/features/audio/index.jsx

598 lines
18 KiB
JavaScript

import PropTypes from 'prop-types';
import { PureComponent } from 'react';
import { defineMessages, FormattedMessage, injectIntl } from 'react-intl';
import classNames from 'classnames';
import { is } from 'immutable';
import { throttle, debounce } from 'lodash';
import { Icon } from 'flavours/glitch/components/icon';
import { formatTime, getPointerPosition, fileNameFromURL } from 'flavours/glitch/features/video';
import { Blurhash } from '../../components/blurhash';
import { displayMedia, useBlurhash } from '../../initial_state';
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' },
hide: { id: 'audio.hide', defaultMessage: 'Hide audio' },
});
const TICK_SIZE = 10;
const PADDING = 180;
class Audio extends PureComponent {
static propTypes = {
src: PropTypes.string.isRequired,
alt: PropTypes.string,
lang: PropTypes.string,
poster: PropTypes.string,
duration: PropTypes.number,
width: PropTypes.number,
height: PropTypes.number,
sensitive: PropTypes.bool,
editable: PropTypes.bool,
fullscreen: PropTypes.bool,
intl: PropTypes.object.isRequired,
blurhash: PropTypes.string,
cacheWidth: PropTypes.func,
visible: PropTypes.bool,
onToggleVisibility: 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: 1,
dragging: false,
revealed: this.props.visible !== undefined ? this.props.visible : (displayMedia !== 'hide_all' && !this.props.sensitive || displayMedia === 'show_all'),
};
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.state.volume,
muted: this.state.muted,
currentTime: this.audio.currentTime,
poster: this.props.poster,
backgroundColor: this.props.backgroundColor,
foregroundColor: this.props.foregroundColor,
accentColor: this.props.accentColor,
sensitive: this.props.sensitive,
visible: this.props.visible,
};
}
_setDimensions () {
const width = this.player.offsetWidth;
const height = this.props.fullscreen ? this.player.offsetHeight : (width / (16/9));
if (width && width !== this.state.containerWidth) {
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.audio.volume = 1;
this.audio.muted = false;
}
};
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 (this.player) {
this._setDimensions();
}
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();
}
}
UNSAFE_componentWillReceiveProps (nextProps) {
if (!is(nextProps.visible, this.props.visible) && nextProps.visible !== undefined) {
this.setState({ revealed: nextProps.visible });
}
}
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.state.volume === 0);
this.setState((state) => ({ muted, volume: Math.max(state.volume || 0.5, 0.05) }), () => {
if (this.gainNode) {
this.gainNode.gain.value = this.state.muted ? 0 : this.state.volume;
}
});
};
toggleReveal = () => {
if (this.props.onToggleVisibility) {
this.props.onToggleVisibility();
} else {
this.setState({ revealed: !this.state.revealed });
}
};
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: this.audio.duration,
});
};
handleMouseVolSlide = throttle(e => {
const { x } = getPointerPosition(this.volume, e);
if(!isNaN(x)) {
this.setState((state) => ({ volume: x, muted: state.muted && x === 0 }), () => {
if (this.gainNode) {
this.gainNode.gain.value = this.state.muted ? 0 : 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 } = this.props;
if (currentTime) {
this.audio.currentTime = currentTime;
}
if (autoPlay) {
this.togglePlay();
}
};
_initAudioContext () {
const AudioContext = window.AudioContext || window.webkitAudioContext;
const context = new AudioContext();
const source = context.createMediaElementSource(this.audio);
const gainNode = context.createGain();
gainNode.gain.value = this.state.muted ? 0 : this.state.volume;
this.visualizer.setAudioContext(context, source);
source.connect(gainNode);
gainNode.connect(context.destination);
this.audioContext = context;
this.gainNode = gainNode;
}
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) / 2 - PADDING * this._getScaleCoefficient());
}
_getScaleCoefficient () {
return (this.state.height || this.props.height) / 982;
}
_getCX() {
return Math.floor(this.state.width / 2);
}
_getCY() {
return Math.floor((this.state.height || this.props.height) / 2);
}
_getAccentColor () {
return this.props.accentColor || '#ffffff';
}
_getBackgroundColor () {
return this.props.backgroundColor || '#000000';
}
_getForegroundColor () {
return this.props.foregroundColor || '#ffffff';
}
seekBy (time) {
const currentTime = this.audio.currentTime + time;
if (!isNaN(currentTime)) {
this.setState({ currentTime }, () => {
this.audio.currentTime = currentTime;
});
}
}
handleAudioKeyDown = e => {
// On the audio element or the seek bar, we can safely use the space bar
// for playback control because there are no buttons to press
if (e.key === ' ') {
e.preventDefault();
e.stopPropagation();
this.togglePlay();
}
};
handleKeyDown = e => {
switch(e.key) {
case 'k':
e.preventDefault();
e.stopPropagation();
this.togglePlay();
break;
case 'm':
e.preventDefault();
e.stopPropagation();
this.toggleMute();
break;
case 'j':
e.preventDefault();
e.stopPropagation();
this.seekBy(-10);
break;
case 'l':
e.preventDefault();
e.stopPropagation();
this.seekBy(10);
break;
}
};
render () {
const { src, intl, alt, lang, editable, autoPlay, sensitive, blurhash } = this.props;
const { paused, volume, currentTime, duration, buffer, dragging, revealed } = this.state;
const progress = Math.min((currentTime / duration) * 100, 100);
const muted = this.state.muted || volume === 0;
let warning;
if (sensitive) {
warning = <FormattedMessage id='status.sensitive_warning' defaultMessage='Sensitive content' />;
} else {
warning = <FormattedMessage id='status.media_hidden' defaultMessage='Media hidden' />;
}
return (
<div className={classNames('audio-player', { editable, inactive: !revealed })} ref={this.setPlayerRef} style={{ backgroundColor: this._getBackgroundColor(), color: this._getForegroundColor(), aspectRatio: '16 / 9' }} onMouseEnter={this.handleMouseEnter} onMouseLeave={this.handleMouseLeave} tabIndex={0} onKeyDown={this.handleKeyDown}>
<Blurhash
hash={blurhash}
className={classNames('media-gallery__preview', {
'media-gallery__preview--hidden': revealed,
})}
dummy={!useBlurhash}
/>
{(revealed || editable) && <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'
tabIndex={0}
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}
onKeyDown={this.handleAudioKeyDown}
title={alt}
aria-label={alt}
lang={lang}
/>
<div className={classNames('spoiler-button', { 'spoiler-button--hidden': revealed || editable })}>
<button type='button' className='spoiler-button__overlay' onClick={this.toggleReveal}>
<span className='spoiler-button__overlay__label'>
{warning}
<span className='spoiler-button__overlay__action'><FormattedMessage id='status.media.show' defaultMessage='Click to show' /></span>
</span>
</button>
</div>
{(revealed || editable) && <img
src={this.props.poster}
alt=''
style={{
position: 'absolute',
left: '50%',
top: '50%',
height: `calc(${(100 - 2 * 100 * PADDING / 982)}% - ${TICK_SIZE * 2}px)`,
aspectRatio: '1',
transform: 'translate(-50%, -50%)',
borderRadius: '50%',
pointerEvents: 'none',
}}
/>}
<div className='video-player__seek' onMouseDown={this.handleMouseDown} ref={this.setSeekRef}>
<div className='video-player__seek__buffer' style={{ width: `${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() }}
onKeyDown={this.handleAudioKeyDown}
/>
</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: `${muted ? 0 : volume * 100}%`, backgroundColor: this._getAccentColor() }} />
<span
className='video-player__volume__handle'
tabIndex={0}
style={{ left: `${muted ? 0 : 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(Math.floor(this.state.duration || this.props.duration))}</span>
</span>
</div>
<div className='video-player__buttons right'>
{!editable && <button type='button' title={intl.formatMessage(messages.hide)} aria-label={intl.formatMessage(messages.hide)} className='player-button' onClick={this.toggleReveal}><Icon id='eye-slash' fixedWidth /></button>}
<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>
);
}
}
export default injectIntl(Audio);