content: import React from 'react';
  import PropTypes from 'prop-types';
  import Motion from 'flavours/glitch/util/optional_motion';
  import spring from 'react-motion/lib/spring';
  import Icon from 'flavours/glitch/components/icon';
  
  export default class UploadProgress extends React.PureComponent {
  
    static propTypes = {
      active: PropTypes.bool,
      progress: PropTypes.number,
      icon: PropTypes.string.isRequired,
      message: PropTypes.node.isRequired,
    };
  
    render () {
      const { active, progress, icon, message } = this.props;
  
      if (!active) {
        return null;
      }
  
      return (
        <div className='composer--upload_form--progress'>
          <Icon id={icon} />
  
          <div className='message'>
            {message}
  
            <div className='backdrop'>
              <Motion defaultStyle={{ width: 0 }} style={{ width: spring(progress) }}>
                {({ width }) =>
                  (<div className='tracker' style={{ width: `${width}%` }}
                  />)
                }
              </Motion>
            </div>
          </div>
        </div>
      );
    }
  
  }
  