@scrnhq/eurovision-elements/preview/index.js

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _templateObject = _taggedTemplateLiteral(['\n  position: relative;\n\n  img, video {\n    margin: 1.25em 0;\n    max-width: 15em;\n  }\n'], ['\n  position: relative;\n\n  img, video {\n    margin: 1.25em 0;\n    max-width: 15em;\n  }\n']);

var _spinner = require('../spinner');

var _spinner2 = _interopRequireDefault(_spinner);

var _styledComponents = require('styled-components');

var _styledComponents2 = _interopRequireDefault(_styledComponents);

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

var _close = require('./close');

var _close2 = _interopRequireDefault(_close);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

function _taggedTemplateLiteral(strings, raw) { return Object.freeze(Object.defineProperties(strings, { raw: { value: Object.freeze(raw) } })); } /* eslint jsx-a11y/img-has-alt: 0 */


var Container = _styledComponents2.default.div(_templateObject);

var Preview = function (_Component) {
  _inherits(Preview, _Component);

  function Preview() {
    var _ref;

    var _temp, _this, _ret;

    _classCallCheck(this, Preview);

    for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }

    return _ret = (_temp = (_this = _possibleConstructorReturn(this, (_ref = Preview.__proto__ || Object.getPrototypeOf(Preview)).call.apply(_ref, [this].concat(args))), _this), _this.state = {
      preview: null
    }, _this.onDelete = function () {
      _this.props.onDelete(_this.props.file);
    }, _temp), _possibleConstructorReturn(_this, _ret);
  }

  /**
   * Define the proptypes of the component.
   *
   * @type {Object}
   */


  /**
   * The initial state of the component.
   *
   * @type {Object}
   */


  _createClass(Preview, [{
    key: 'componentDidMount',


    /**
     * Invoked when the component is mounted.
     *
     * @return {void}
     */
    value: function componentDidMount() {
      this.readFile(this.props.file);
    }

    /**
     * Invoked when the file should be deleted.
     *
     * @return {void}
     */

  }, {
    key: 'readFile',


    /**
     * Read the file with the file reader to generate preview.
     * If the file already has a preview, use that.
     *
     * @return {void}
     */
    value: function readFile(file) {
      var _this2 = this;

      if (file.preview) {
        return this.setState({ preview: file.preview });
      }

      // eslint-disable-next-line no-undef
      var reader = new FileReader();

      reader.onload = function (e) {
        _this2.setState({ preview: e.target.result });
      };

      return reader.readAsDataURL(file);
    }

    /**
     * Render the content, depending on the mimetype.
     *
     * @return {void}
     */

  }, {
    key: 'renderContent',
    value: function renderContent() {
      var mimeType = this.props.file.type;

      if (mimeType.startsWith('image/')) {
        return _react2.default.createElement('img', { src: this.state.preview });
      }

      if (mimeType.startsWith('video/')) {
        return _react2.default.createElement(
          'video',
          { controls: true },
          _react2.default.createElement('source', { src: this.state.preview, type: mimeType })
        );
      }

      return 'File';
    }

    /**
     * Render the component.
     *
     * @return {ReactElement}
     */

  }, {
    key: 'render',
    value: function render() {
      var onDelete = this.props.onDelete;


      return _react2.default.createElement(
        Container,
        null,
        onDelete && _react2.default.createElement(_close2.default, { onDelete: this.onDelete }),
        this.state.preview ? this.renderContent() : _react2.default.createElement(_spinner2.default, null)
      );
    }
  }]);

  return Preview;
}(_react.Component);

Preview.propTypes = {
  onDelete: _react.PropTypes.func,
  file: _react.PropTypes.shape().isRequired
};
exports.default = Preview;