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LinearBuffer.js
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LinearBuffer.js
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import React from 'react';
import PropTypes from 'prop-types';
import { withStyles } from '@material-ui/core/styles';
import LinearProgress from '@material-ui/core/LinearProgress';
const styles = {
root: {
flexGrow: 1,
},
};
class LinearBuffer extends React.Component {
state = {
completed: 0,
buffer: 10,
};
componentDidMount() {
this.timer = setInterval(this.progress, 500);
}
componentWillUnmount() {
clearInterval(this.timer);
}
progress = () => {
const { completed } = this.state;
if (completed > 100) {
this.setState({ completed: 0, buffer: 10 });
} else {
const diff = Math.random() * 10;
const diff2 = Math.random() * 10;
this.setState({ completed: completed + diff, buffer: completed + diff + diff2 });
}
};
render() {
const { classes } = this.props;
const { completed, buffer } = this.state;
return (
<div className={classes.root}>
<LinearProgress variant="buffer" value={completed} valueBuffer={buffer} />
<br />
<LinearProgress color="secondary" variant="buffer" value={completed} valueBuffer={buffer} />
</div>
);
}
}
LinearBuffer.propTypes = {
classes: PropTypes.object.isRequired,
};
export default withStyles(styles)(LinearBuffer);