From 3aeaf9b897a7fff8ebb08055b06717e78e5cf914 Mon Sep 17 00:00:00 2001 From: Eugen Rochko Date: Fri, 23 Aug 2019 22:38:02 +0200 Subject: [Glitch] Add audio player Port 4190e31626907059aebf32b1be66715dacb989a9 to glitch-soc Signed-off-by: Thibaut Girka --- .../flavours/glitch/features/audio/index.js | 219 +++++++++++++++++++++ 1 file changed, 219 insertions(+) create mode 100644 app/javascript/flavours/glitch/features/audio/index.js (limited to 'app/javascript/flavours/glitch/features/audio') diff --git a/app/javascript/flavours/glitch/features/audio/index.js b/app/javascript/flavours/glitch/features/audio/index.js new file mode 100644 index 000000000..1daf56bc1 --- /dev/null +++ b/app/javascript/flavours/glitch/features/audio/index.js @@ -0,0 +1,219 @@ +import React from 'react'; +import PropTypes from 'prop-types'; +import WaveSurfer from 'wavesurfer.js'; +import { defineMessages, injectIntl } from 'react-intl'; +import { formatTime } from 'flavours/glitch/features/video'; +import Icon from 'flavours/glitch/components/icon'; +import classNames from 'classnames'; +import { throttle } from 'lodash'; + +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' }, +}); + +const arrayOf = (length, fill) => (new Array(length)).fill(fill); + +export default @injectIntl +class Audio extends React.PureComponent { + + static propTypes = { + src: PropTypes.string.isRequired, + alt: PropTypes.string, + duration: PropTypes.number, + height: PropTypes.number, + preload: PropTypes.bool, + editable: PropTypes.bool, + intl: PropTypes.object.isRequired, + }; + + state = { + currentTime: 0, + duration: null, + paused: true, + muted: false, + volume: 0.5, + }; + + // hard coded in components.scss + // any way to get ::before values programatically? + + volWidth = 50; + + volOffset = 70; + + volHandleOffset = v => { + const offset = v * this.volWidth + this.volOffset; + return (offset > 110) ? 110 : offset; + } + + setVolumeRef = c => { + this.volume = c; + } + + setWaveformRef = c => { + this.waveform = c; + } + + componentDidMount () { + if (this.waveform) { + this._updateWaveform(); + } + } + + componentDidUpdate (prevProps) { + if (this.waveform && prevProps.src !== this.props.src) { + this._updateWaveform(); + } + } + + componentWillUnmount () { + if (this.wavesurfer) { + this.wavesurfer.destroy(); + this.wavesurfer = null; + } + } + + _updateWaveform () { + const { src, height, duration, preload } = this.props; + + const progressColor = window.getComputedStyle(document.querySelector('.audio-player__progress-placeholder')).getPropertyValue('background-color'); + const waveColor = window.getComputedStyle(document.querySelector('.audio-player__wave-placeholder')).getPropertyValue('background-color'); + + if (this.wavesurfer) { + this.wavesurfer.destroy(); + } + + const wavesurfer = WaveSurfer.create({ + container: this.waveform, + height, + barWidth: 3, + cursorWidth: 0, + progressColor, + waveColor, + forceDecode: true, + }); + + wavesurfer.setVolume(this.state.volume); + + if (preload) { + wavesurfer.load(src); + } else { + wavesurfer.load(src, arrayOf(1, 0.5), null, duration); + } + + wavesurfer.on('ready', () => this.setState({ duration: Math.floor(wavesurfer.getDuration()) })); + wavesurfer.on('audioprocess', () => this.setState({ currentTime: Math.floor(wavesurfer.getCurrentTime()) })); + wavesurfer.on('pause', () => this.setState({ paused: true })); + wavesurfer.on('play', () => this.setState({ paused: false })); + wavesurfer.on('volume', volume => this.setState({ volume })); + wavesurfer.on('mute', muted => this.setState({ muted })); + + this.wavesurfer = wavesurfer; + } + + togglePlay = () => { + if (this.state.paused) { + if (!this.props.preload) { + this.wavesurfer.createBackend(); + this.wavesurfer.createPeakCache(); + this.wavesurfer.load(this.props.src); + } + + this.wavesurfer.play(); + } else { + this.wavesurfer.pause(); + } + } + + toggleMute = () => { + this.wavesurfer.setMute(!this.state.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); + } + + handleMouseVolSlide = throttle(e => { + const rect = this.volume.getBoundingClientRect(); + const x = (e.clientX - rect.left) / this.volWidth; // x position within the element. + + if(!isNaN(x)) { + let slideamt = x; + + if (x > 1) { + slideamt = 1; + } else if(x < 0) { + slideamt = 0; + } + + this.wavesurfer.setVolume(slideamt); + } + }, 60); + + render () { + const { height, intl, alt, editable } = this.props; + const { paused, muted, volume, currentTime } = this.state; + + const volumeWidth = muted ? 0 : volume * this.volWidth; + const volumeHandleLoc = muted ? this.volHandleOffset(0) : this.volHandleOffset(volume); + + return ( +
+
+
+ +
+ +
+
+
+ + + +
+
+ + +
+ + + {formatTime(currentTime)} + / + {formatTime(this.state.duration || Math.floor(this.props.duration))} + +
+
+
+
+ ); + } + +} -- cgit