atom-nuclide/pkg/nuclide-ui/lib/Webview.js

A unified developer experience for web and mobile development, built as a suite of features on top of Atom to provide hackability and the support of an active community.

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 _get = function get(_x, _x2, _x3) { var _again = true; _function: while (_again) { var object = _x, property = _x2, receiver = _x3; _again = false; if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { _x = parent; _x2 = property; _x3 = receiver; _again = true; desc = parent = undefined; continue _function; } } else if ('value' in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } } };

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

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; }

/*
 * Copyright (c) 2015-present, Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the license found in the LICENSE file in
 * the root directory of this source tree.
 */

var _atom2;

function _atom() {
  return _atom2 = require('atom');
}

var _reactForAtom2;

function _reactForAtom() {
  return _reactForAtom2 = require('react-for-atom');
}

var Webview = (function (_React$Component) {
  _inherits(Webview, _React$Component);

  function Webview(props) {
    _classCallCheck(this, Webview);

    _get(Object.getPrototypeOf(Webview.prototype), 'constructor', this).call(this, props);
    this._handleDidFinishLoad = this._handleDidFinishLoad.bind(this);
    this._disposables = new (_atom2 || _atom()).CompositeDisposable();
  }

  _createClass(Webview, [{
    key: 'componentDidMount',
    value: function componentDidMount() {
      var _this = this;

      var element = (_reactForAtom2 || _reactForAtom()).ReactDOM.findDOMNode(this);

      // Add event listeners. This has the drawbacks of 1) adding an event listener even when we don't
      // have a callback for it and 2) needing to add explicit support for each event type we want to
      // support. However, those costs aren't great enough to justify a new abstraction for managing
      // it at this time.
      element.addEventListener('did-finish-load', this._handleDidFinishLoad);
      this._disposables.add(new (_atom2 || _atom()).Disposable(function () {
        return element.removeEventListener('did-finish-load', _this._handleDidFinishLoad);
      }));

      this.updateAttributes({});
    }
  }, {
    key: 'componentDidUpdate',
    value: function componentDidUpdate(prevProps) {
      this.updateAttributes(prevProps);
    }
  }, {
    key: 'componentWillUnmount',
    value: function componentWillUnmount() {
      this._disposables.dispose();
    }
  }, {
    key: 'render',
    value: function render() {
      return (_reactForAtom2 || _reactForAtom()).React.createElement('webview', { className: this.props.className, style: this.props.style });
    }

    /**
     * Update the attributes on the current element. Custom attributes won't be added by React because
     * "webview" isn't a valid custom element name (custom elements need a dash), so we set the
     * attributes ourselves. But not "className" or "style" because React has special rules for those.
     * *sigh*
     */
  }, {
    key: 'updateAttributes',
    value: function updateAttributes(prevProps) {
      var _this2 = this;

      var element = (_reactForAtom2 || _reactForAtom()).ReactDOM.findDOMNode(this);
      var specialProps = ['className', 'style', 'onDidFinishLoad'];
      var normalProps = Object.keys(this.props).filter(function (prop) {
        return specialProps.indexOf(prop) === -1;
      });
      normalProps.forEach(function (prop) {
        var value = _this2.props[prop];
        var prevValue = prevProps[prop];
        var valueChanged = value !== prevValue;
        if (valueChanged) {
          element[prop] = value;
        }
      });
    }
  }, {
    key: '_handleDidFinishLoad',
    value: function _handleDidFinishLoad(event) {
      if (this.props.onDidFinishLoad) {
        this.props.onDidFinishLoad(event);
      }
    }
  }]);

  return Webview;
})((_reactForAtom2 || _reactForAtom()).React.Component);

exports.Webview = Webview;