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path: root/app/javascript/themes/glitch/features/ui/components/upload_area.js
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import React from 'react';
import PropTypes from 'prop-types';
import Motion from 'themes/glitch/util/optional_motion';
import spring from 'react-motion/lib/spring';
import { FormattedMessage } from 'react-intl';

export default class UploadArea extends React.PureComponent {

  static propTypes = {
    active: PropTypes.bool,
    onClose: PropTypes.func,
  };

  handleKeyUp = (e) => {
    const keyCode = e.keyCode;
    if (this.props.active) {
      switch(keyCode) {
      case 27:
        e.preventDefault();
        e.stopPropagation();
        this.props.onClose();
        break;
      }
    }
  }

  componentDidMount () {
    window.addEventListener('keyup', this.handleKeyUp, false);
  }

  componentWillUnmount () {
    window.removeEventListener('keyup', this.handleKeyUp);
  }

  render () {
    const { active } = this.props;

    return (
      <Motion defaultStyle={{ backgroundOpacity: 0, backgroundScale: 0.95 }} style={{ backgroundOpacity: spring(active ? 1 : 0, { stiffness: 150, damping: 15 }), backgroundScale: spring(active ? 1 : 0.95, { stiffness: 200, damping: 3 }) }}>
        {({ backgroundOpacity, backgroundScale }) =>
          <div className='upload-area' style={{ visibility: active ? 'visible' : 'hidden', opacity: backgroundOpacity }}>
            <div className='upload-area__drop'>
              <div className='upload-area__background' style={{ transform: `scale(${backgroundScale})` }} />
              <div className='upload-area__content'><FormattedMessage id='upload_area.title' defaultMessage='Drag & drop to upload' /></div>
            </div>
          </div>
        }
      </Motion>
    );
  }

}