1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
|
import React from 'react';
import PropTypes from 'prop-types';
import WaveSurfer from 'wavesurfer.js';
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';
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' },
});
export default @injectIntl
class Audio extends React.PureComponent {
static propTypes = {
src: PropTypes.string.isRequired,
alt: PropTypes.string,
duration: PropTypes.number,
peaks: PropTypes.arrayOf(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, peaks, 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();
this.loaded = false;
}
const wavesurfer = WaveSurfer.create({
container: this.waveform,
height,
barWidth: 3,
cursorWidth: 0,
progressColor,
waveColor,
backend: 'MediaElement',
interact: preload,
});
wavesurfer.setVolume(this.state.volume);
if (preload) {
wavesurfer.load(src);
this.loaded = true;
} else {
wavesurfer.load(src, peaks, 'none', duration);
this.loaded = false;
}
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.loaded) {
this.wavesurfer.createBackend();
this.wavesurfer.createPeakCache();
this.wavesurfer.load(this.props.src);
this.wavesurfer.toggleInteraction();
this.loaded = true;
}
this.wavesurfer.play();
this.setState({ paused: false });
} else {
this.wavesurfer.pause();
this.setState({ paused: true });
}
}
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 (
<div className={classNames('audio-player', { editable })}>
<div className='audio-player__progress-placeholder' style={{ display: 'none' }} />
<div className='audio-player__wave-placeholder' style={{ display: 'none' }} />
<div
className='audio-player__waveform'
aria-label={alt}
title={alt}
style={{ height }}
ref={this.setWaveformRef}
/>
<div className='video-player__controls active'>
<div className='video-player__buttons-bar'>
<div className='video-player__buttons left'>
<button type='button' aria-label={intl.formatMessage(paused ? messages.play : messages.pause)} onClick={this.togglePlay}><Icon id={paused ? 'play' : 'pause'} fixedWidth /></button>
<button type='button' 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: `${volumeWidth}px` }} />
<span
className={classNames('video-player__volume__handle')}
tabIndex='0'
style={{ left: `${volumeHandleLoc}px` }}
/>
</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>
</div>
</div>
);
}
}
|