react-addons/lib/ReactDOMImg.js

Simple packaging of react addons to avoid fiddly 'react/addons' npm module.

/**
 * Copyright 2013-2014 Facebook, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * @providesModule ReactDOMImg
 */

"use strict";

var ReactCompositeComponent = require("./ReactCompositeComponent");
var ReactDOM = require("./ReactDOM");
var ReactEventEmitter = require("./ReactEventEmitter");
var EventConstants = require("./EventConstants");

// Store a reference to the <img> `ReactDOMComponent`.
var img = ReactDOM.img;

/**
 * Since onLoad doesn't bubble OR capture on the top level in IE8, we need to
 * capture it on the <img> element itself. There are lots of hacks we could do
 * to accomplish this, but the most reliable is to make <img> a composite
 * component and use `componentDidMount` to attach the event handlers.
 */
var ReactDOMImg = ReactCompositeComponent.createClass({
  displayName: 'ReactDOMImg',
  tagName: 'IMG',

  render: function() {
    return img(this.props);
  },

  componentDidMount: function() {
    var node = this.getDOMNode();
    ReactEventEmitter.trapBubbledEvent(
      EventConstants.topLevelTypes.topLoad,
      'load',
      node
    );
    ReactEventEmitter.trapBubbledEvent(
      EventConstants.topLevelTypes.topError,
      'error',
      node
    );
  }
});

module.exports = ReactDOMImg;