91 lines
2.1 KiB
JavaScript
91 lines
2.1 KiB
JavaScript
import React, { Component } from 'react';
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import { styles } from './styles';
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class VolumeSlider extends Component {
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constructor(props) {
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super(props);
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this.state = {
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volume: props.volume,
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muted: props.muted,
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};
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this.handleOnChange = this.handleOnChange.bind(this);
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this.getVolumeIcon = this.getVolumeIcon.bind(this);
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this.setMuted = this.setMuted.bind(this);
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}
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componentDidUpdate(prevProp) {
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const { volume, muted } = this.props;
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const { volume: prevVolume, muted: prevMuted } = prevProp;
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if (prevVolume !== volume) {
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this.handleOnChange(volume);
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}
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if (prevMuted !== muted) {
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this.setMuted(muted);
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}
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}
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handleOnChange(volume) {
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const { onVolumeChanged } = this.props;
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onVolumeChanged(volume);
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this.setState({ volume }, () => {
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const { volume: stateVolume, muted } = this.state;
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if (muted && stateVolume > 0) { // unmute if volume was raised during mute
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this.setMuted(false);
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} else if (stateVolume <= 0) { // mute if volume is turned to 0
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this.setMuted(true);
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}
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});
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}
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setMuted(muted) {
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const { onMuted } = this.props;
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this.setState({ muted }, () => onMuted(muted));
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}
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getVolumeIcon() {
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const { muted, volume } = this.state;
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if (muted || volume <= 0) return 'volume_off';
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if (volume <= 0.25) return 'volume_mute';
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if (volume <= 0.75) return 'volume_down';
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return 'volume_up';
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}
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render() {
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const { muted, volume } = this.state;
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return (
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<div className={styles.slider}>
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<span
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className={styles.volume}
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onClick={() => this.setMuted(!muted)}
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>
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<i
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tabIndex="-1"
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className={`icon-bbb-${this.getVolumeIcon()}`}
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/>
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</span>
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<input
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className={styles.volumeSlider}
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type="range"
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min={0}
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max={1}
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step={0.02}
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value={muted ? 0 : volume}
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onChange={(e)=> this.handleOnChange(e.target.valueAsNumber)}
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/>
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</div>
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);
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}
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}
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export default VolumeSlider;
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