689 lines
18 KiB
JavaScript
689 lines
18 KiB
JavaScript
import React from 'react';
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import PropTypes from 'prop-types';
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import { defineMessages, injectIntl } from 'react-intl';
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import { formatTime } from 'mastodon/features/video';
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import Icon from 'mastodon/components/icon';
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import classNames from 'classnames';
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import { throttle } from 'lodash';
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import { encode, decode } from 'blurhash';
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import { getPointerPosition } from 'mastodon/features/video';
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const digitCharacters = [
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'0',
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'1',
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'2',
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'3',
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'4',
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'5',
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'6',
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'7',
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'8',
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'9',
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'A',
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'B',
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'C',
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'D',
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'E',
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'F',
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'G',
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'H',
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'I',
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'J',
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'K',
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'L',
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'M',
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'N',
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'O',
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'P',
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'Q',
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'R',
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'S',
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'T',
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'U',
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'V',
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'W',
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'X',
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'Y',
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'Z',
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'a',
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'b',
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'c',
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'd',
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'e',
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'f',
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'g',
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'h',
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'i',
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'j',
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'k',
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'l',
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'm',
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'n',
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'o',
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'p',
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'q',
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'r',
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's',
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't',
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'u',
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'v',
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'w',
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'x',
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'y',
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'z',
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'#',
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'$',
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'%',
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'*',
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'+',
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',',
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'-',
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'.',
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':',
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';',
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'=',
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'?',
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'@',
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'[',
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']',
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'^',
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'_',
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'{',
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'|',
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'}',
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'~',
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];
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const decode83 = (str) => {
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let value = 0;
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let c, digit;
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for (let i = 0; i < str.length; i++) {
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c = str[i];
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digit = digitCharacters.indexOf(c);
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value = value * 83 + digit;
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}
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return value;
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};
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const decodeRGB = int => ({
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r: Math.max(0, (int >> 16)),
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g: Math.max(0, (int >> 8) & 255),
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b: Math.max(0, (int & 255)),
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});
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const luma = ({ r, g, b }) => 0.2126 * r + 0.7152 * g + 0.0722 * b;
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const adjustColor = ({ r, g, b }, lumaThreshold = 100) => {
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let delta;
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if (luma({ r, g, b }) >= lumaThreshold) {
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delta = -80;
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} else {
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delta = 80;
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}
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return {
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r: r + delta,
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g: g + delta,
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b: b + delta,
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};
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};
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const messages = defineMessages({
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play: { id: 'video.play', defaultMessage: 'Play' },
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pause: { id: 'video.pause', defaultMessage: 'Pause' },
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mute: { id: 'video.mute', defaultMessage: 'Mute sound' },
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unmute: { id: 'video.unmute', defaultMessage: 'Unmute sound' },
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download: { id: 'video.download', defaultMessage: 'Download file' },
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});
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const TICK_SIZE = 10;
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const PADDING = 180;
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export default @injectIntl
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class Audio extends React.PureComponent {
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static propTypes = {
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src: PropTypes.string.isRequired,
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alt: PropTypes.string,
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poster: PropTypes.string,
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duration: PropTypes.number,
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peaks: PropTypes.arrayOf(PropTypes.number),
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width: PropTypes.number,
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height: PropTypes.number,
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preload: PropTypes.bool,
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editable: PropTypes.bool,
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intl: PropTypes.object.isRequired,
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cacheWidth: PropTypes.func,
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};
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state = {
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width: this.props.width,
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currentTime: 0,
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buffer: 0,
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duration: null,
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paused: true,
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muted: false,
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volume: 0.5,
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dragging: false,
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color: { r: 255, g: 255, b: 255 },
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};
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// Hard coded in components.scss
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// Any way to get ::before values programatically?
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volWidth = 50;
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volOffset = 70;
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volHandleOffset = v => {
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const offset = v * this.volWidth + this.volOffset;
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return (offset > 110) ? 110 : offset;
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}
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setPlayerRef = c => {
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this.player = c;
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if (c) {
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const width = c.offsetWidth;
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const height = width / (16/9);
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if (this.props.cacheWidth) {
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this.props.cacheWidth(width);
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}
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this.setState({ width, height });
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}
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}
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setSeekRef = c => {
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this.seek = c;
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}
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setVolumeRef = c => {
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this.volume = c;
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}
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setAudioRef = c => {
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this.audio = c;
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if (this.audio) {
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this.setState({ volume: this.audio.volume, muted: this.audio.muted });
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}
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}
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setBlurhashCanvasRef = c => {
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this.blurhashCanvas = c;
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}
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setCanvasRef = c => {
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this.canvas = c;
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if (c) {
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this.canvasContext = c.getContext('2d');
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}
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}
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componentDidMount () {
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window.addEventListener('scroll', this.handleScroll);
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const img = new Image();
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img.onload = () => this.handlePosterLoad(img);
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img.src = this.props.poster;
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}
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componentDidUpdate (prevProps, prevState) {
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if (prevProps.poster !== this.props.poster) {
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const img = new Image();
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img.onload = () => this.handlePosterLoad(img);
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img.src = this.props.poster;
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}
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if (prevState.blurhash !== this.state.blurhash) {
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const context = this.blurhashCanvas.getContext('2d');
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const pixels = decode(this.state.blurhash, 32, 32);
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const outputImageData = new ImageData(pixels, 32, 32);
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context.putImageData(outputImageData, 0, 0);
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}
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this._clear();
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this._draw();
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}
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componentWillUnmount () {
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window.removeEventListener('scroll', this.handleScroll);
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}
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togglePlay = () => {
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if (this.state.paused) {
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this.setState({ paused: false }, () => this.audio.play());
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} else {
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this.setState({ paused: true }, () => this.audio.pause());
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}
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}
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handlePlay = () => {
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this.setState({ paused: false });
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if (this.canvas && !this.audioContext) {
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this._initAudioContext();
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}
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if (this.audioContext && this.audioContext.state === 'suspended') {
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this.audioContext.resume();
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}
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this._renderCanvas();
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}
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handlePause = () => {
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this.setState({ paused: true });
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if (this.audioContext) {
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this.audioContext.suspend();
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}
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}
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handleProgress = () => {
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if (this.audio.buffered.length > 0) {
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this.setState({ buffer: this.audio.buffered.end(0) / this.audio.duration * 100 });
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}
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}
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toggleMute = () => {
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const muted = !this.state.muted;
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this.setState({ muted }, () => {
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this.audio.muted = muted;
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});
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}
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handleVolumeMouseDown = e => {
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document.addEventListener('mousemove', this.handleMouseVolSlide, true);
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document.addEventListener('mouseup', this.handleVolumeMouseUp, true);
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document.addEventListener('touchmove', this.handleMouseVolSlide, true);
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document.addEventListener('touchend', this.handleVolumeMouseUp, true);
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this.handleMouseVolSlide(e);
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e.preventDefault();
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e.stopPropagation();
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}
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handleVolumeMouseUp = () => {
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document.removeEventListener('mousemove', this.handleMouseVolSlide, true);
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document.removeEventListener('mouseup', this.handleVolumeMouseUp, true);
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document.removeEventListener('touchmove', this.handleMouseVolSlide, true);
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document.removeEventListener('touchend', this.handleVolumeMouseUp, true);
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}
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handleMouseDown = e => {
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document.addEventListener('mousemove', this.handleMouseMove, true);
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document.addEventListener('mouseup', this.handleMouseUp, true);
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document.addEventListener('touchmove', this.handleMouseMove, true);
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document.addEventListener('touchend', this.handleMouseUp, true);
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this.setState({ dragging: true });
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this.audio.pause();
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this.handleMouseMove(e);
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e.preventDefault();
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e.stopPropagation();
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}
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handleMouseUp = () => {
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document.removeEventListener('mousemove', this.handleMouseMove, true);
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document.removeEventListener('mouseup', this.handleMouseUp, true);
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document.removeEventListener('touchmove', this.handleMouseMove, true);
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document.removeEventListener('touchend', this.handleMouseUp, true);
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this.setState({ dragging: false });
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this.audio.play();
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}
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handleMouseMove = throttle(e => {
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const { x } = getPointerPosition(this.seek, e);
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const currentTime = Math.floor(this.audio.duration * x);
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if (!isNaN(currentTime)) {
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this.setState({ currentTime }, () => {
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this.audio.currentTime = currentTime;
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});
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}
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}, 60);
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handleTimeUpdate = () => {
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this.setState({
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currentTime: Math.floor(this.audio.currentTime),
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duration: Math.floor(this.audio.duration),
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});
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}
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handleMouseVolSlide = throttle(e => {
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const rect = this.volume.getBoundingClientRect();
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const x = (e.clientX - rect.left) / this.volWidth; // x position within the element.
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if(!isNaN(x)) {
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let slideamt = x;
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if (x > 1) {
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slideamt = 1;
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} else if(x < 0) {
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slideamt = 0;
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}
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this.setState({ volume: slideamt }, () => {
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this.audio.volume = slideamt;
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});
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}
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}, 60);
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handleScroll = throttle(() => {
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if (!this.canvas || !this.audio) {
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return;
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}
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const { top, height } = this.canvas.getBoundingClientRect();
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const inView = (top <= (window.innerHeight || document.documentElement.clientHeight)) && (top + height >= 0);
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if (!this.state.paused && !inView) {
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this.setState({ paused: true }, () => this.audio.pause());
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}
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}, 150, { trailing: true });
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_initAudioContext () {
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const context = new AudioContext();
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const analyser = context.createAnalyser();
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const source = context.createMediaElementSource(this.audio);
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analyser.smoothingTimeConstant = 0.6;
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analyser.fftSize = 2048;
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source.connect(analyser);
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source.connect(context.destination);
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this.audioContext = context;
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this.analyser = analyser;
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}
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handlePosterLoad = image => {
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const canvas = document.createElement('canvas');
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const context = canvas.getContext('2d');
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canvas.width = image.width;
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canvas.height = image.height;
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context.drawImage(image, 0, 0);
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const inputImageData = context.getImageData(0, 0, image.width, image.height);
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const blurhash = encode(inputImageData.data, image.width, image.height, 4, 4);
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const averageColor = decodeRGB(decode83(blurhash.slice(2, 6)));
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this.setState({
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blurhash,
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color: adjustColor(averageColor),
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darkText: luma(averageColor) >= 165,
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});
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}
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_renderCanvas () {
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requestAnimationFrame(() => {
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this._clear();
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this._draw();
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if (!this.state.paused) {
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this._renderCanvas();
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}
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});
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}
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_clear () {
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this.canvasContext.clearRect(0, 0, this.state.width, this.state.height);
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}
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_draw () {
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this.canvasContext.save();
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const ticks = this._getTicks(360 * this._getScaleCoefficient(), TICK_SIZE);
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ticks.forEach(tick => {
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this._drawTick(tick.x1, tick.y1, tick.x2, tick.y2);
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});
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this.canvasContext.restore();
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}
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_getRadius () {
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return parseInt(((this.state.height || this.props.height) - (PADDING * this._getScaleCoefficient()) * 2) / 2);
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}
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_getScaleCoefficient () {
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return (this.state.height || this.props.height) / 982;
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}
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_getTicks (count, size, animationParams = [0, 90]) {
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const radius = this._getRadius();
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const ticks = this._getTickPoints(count);
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const lesser = 200;
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const m = [];
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const bufferLength = this.analyser ? this.analyser.frequencyBinCount : 0;
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const frequencyData = new Uint8Array(bufferLength);
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const allScales = [];
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const scaleCoefficient = this._getScaleCoefficient();
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if (this.analyser) {
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this.analyser.getByteFrequencyData(frequencyData);
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}
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ticks.forEach((tick, i) => {
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const coef = 1 - i / (ticks.length * 2.5);
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let delta = ((frequencyData[i] || 0) - lesser * coef) * scaleCoefficient;
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if (delta < 0) {
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delta = 0;
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}
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let k;
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if (animationParams[0] <= tick.angle && tick.angle <= animationParams[1]) {
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k = radius / (radius - this._getSize(tick.angle, animationParams[0], animationParams[1]) - delta);
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} else {
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k = radius / (radius - (size + delta));
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}
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const x1 = tick.x * (radius - size);
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const y1 = tick.y * (radius - size);
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const x2 = x1 * k;
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const y2 = y1 * k;
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m.push({ x1, y1, x2, y2 });
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if (i < 20) {
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let scale = delta / (200 * scaleCoefficient);
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scale = scale < 1 ? 1 : scale;
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allScales.push(scale);
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}
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});
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const scale = allScales.reduce((pv, cv) => pv + cv, 0) / allScales.length;
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return m.map(({ x1, y1, x2, y2 }) => ({
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x1: x1,
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y1: y1,
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x2: x2 * scale,
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y2: y2 * scale,
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}));
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}
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_getSize (angle, l, r) {
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const scaleCoefficient = this._getScaleCoefficient();
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const maxTickSize = TICK_SIZE * 9 * scaleCoefficient;
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const m = (r - l) / 2;
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const x = (angle - l);
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let h;
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if (x === m) {
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return maxTickSize;
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}
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const d = Math.abs(m - x);
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const v = 40 * Math.sqrt(1 / d);
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if (v > maxTickSize) {
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h = maxTickSize;
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} else {
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h = Math.max(TICK_SIZE, v);
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}
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return h;
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}
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_getTickPoints (count) {
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const PI = 360;
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const coords = [];
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const step = PI / count;
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let rad;
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for(let deg = 0; deg < PI; deg += step) {
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rad = deg * Math.PI / (PI / 2);
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coords.push({ x: Math.cos(rad), y: -Math.sin(rad), angle: deg });
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}
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return coords;
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}
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_drawTick (x1, y1, x2, y2) {
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const radius = this._getRadius();
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const cx = parseInt(this.state.width / 2);
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const cy = parseInt(radius + (PADDING * this._getScaleCoefficient()));
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const dx1 = parseInt(cx + x1);
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const dy1 = parseInt(cy + y1);
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const dx2 = parseInt(cx + x2);
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const dy2 = parseInt(cy + y2);
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const gradient = this.canvasContext.createLinearGradient(dx1, dy1, dx2, dy2);
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const mainColor = `rgb(${this.state.color.r}, ${this.state.color.g}, ${this.state.color.b})`;
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const lastColor = `rgba(${this.state.color.r}, ${this.state.color.g}, ${this.state.color.b}, 0)`;
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gradient.addColorStop(0, mainColor);
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gradient.addColorStop(0.6, mainColor);
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gradient.addColorStop(1, lastColor);
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this.canvasContext.beginPath();
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this.canvasContext.strokeStyle = gradient;
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this.canvasContext.lineWidth = 2;
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this.canvasContext.moveTo(dx1, dy1);
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this.canvasContext.lineTo(dx2, dy2);
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this.canvasContext.stroke();
|
|
}
|
|
|
|
_getColor () {
|
|
return `rgb(${this.state.color.r}, ${this.state.color.g}, ${this.state.color.b})`;
|
|
}
|
|
|
|
render () {
|
|
const { src, intl, alt, editable } = this.props;
|
|
const { paused, muted, volume, currentTime, duration, buffer, darkText, dragging } = this.state;
|
|
|
|
const volumeWidth = muted ? 0 : volume * this.volWidth;
|
|
const volumeHandleLoc = muted ? this.volHandleOffset(0) : this.volHandleOffset(volume);
|
|
const progress = (currentTime / duration) * 100;
|
|
|
|
return (
|
|
<div className={classNames('audio-player', { editable, 'with-light-background': darkText })} ref={this.setPlayerRef} style={{ width: '100%', height: this.state.height || this.props.height }}>
|
|
<audio
|
|
src={src}
|
|
ref={this.setAudioRef}
|
|
preload='none'
|
|
onPlay={this.handlePlay}
|
|
onPause={this.handlePause}
|
|
onProgress={this.handleProgress}
|
|
onTimeUpdate={this.handleTimeUpdate}
|
|
/>
|
|
|
|
<canvas
|
|
className='audio-player__background'
|
|
onClick={this.togglePlay}
|
|
width='32'
|
|
height='32'
|
|
style={{ width: this.state.width, height: this.state.height, position: 'absolute', top: 0, left: 0 }}
|
|
ref={this.setBlurhashCanvasRef}
|
|
aria-label={alt}
|
|
title={alt}
|
|
role='button'
|
|
tabIndex='0'
|
|
/>
|
|
|
|
<canvas
|
|
className='audio-player__canvas'
|
|
width={this.state.width}
|
|
height={this.state.height}
|
|
style={{ width: '100%', position: 'absolute', top: 0, left: 0, pointerEvents: 'none' }}
|
|
ref={this.setCanvasRef}
|
|
/>
|
|
|
|
<img
|
|
src={this.props.poster}
|
|
alt=''
|
|
width={(this._getRadius() - TICK_SIZE) * 2}
|
|
height={(this._getRadius() - TICK_SIZE) * 2}
|
|
style={{ position: 'absolute', left: parseInt(this.state.width / 2), top: parseInt(this._getRadius() + (PADDING * this._getScaleCoefficient())), transform: 'translate(-50%, -50%)', borderRadius: '50%', pointerEvents: 'none' }}
|
|
/>
|
|
|
|
<div className='video-player__seek' onMouseDown={this.handleMouseDown} ref={this.setSeekRef}>
|
|
<div className='video-player__seek__buffer' style={{ width: `${buffer}%` }} />
|
|
<div className='video-player__seek__progress' style={{ width: `${progress}%`, backgroundColor: this._getColor() }} />
|
|
|
|
<span
|
|
className={classNames('video-player__seek__handle', { active: dragging })}
|
|
tabIndex='0'
|
|
style={{ left: `${progress}%`, backgroundColor: this._getColor() }}
|
|
/>
|
|
</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)} 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)} onClick={this.toggleMute}><Icon id={muted ? 'volume-off' : 'volume-up'} fixedWidth /></button>
|
|
|
|
<div className='video-player__volume' onMouseDown={this.handleVolumeMouseDown} ref={this.setVolumeRef}>
|
|
|
|
<div className='video-player__volume__current' style={{ width: `${volumeWidth}px`, backgroundColor: this._getColor() }} />
|
|
|
|
<span
|
|
className={classNames('video-player__volume__handle')}
|
|
tabIndex='0'
|
|
style={{ left: `${volumeHandleLoc}px`, backgroundColor: this._getColor() }}
|
|
/>
|
|
</div>
|
|
|
|
<span>
|
|
<span className='video-player__time-current'>{formatTime(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'>
|
|
<button type='button' title={intl.formatMessage(messages.download)} aria-label={intl.formatMessage(messages.download)}>
|
|
<a className='video-player__download__icon' href={this.props.src} download>
|
|
<Icon id='download' fixedWidth />
|
|
</a>
|
|
</button>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
);
|
|
}
|
|
|
|
}
|