ReactDOMImg.js

/**
 * Copyright 2013-2014, Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * LICENSE file in the root directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 *
 * @providesModule ReactDOMImg
 */

"use strict";

var EventConstants = require('EventConstants');
var LocalEventTrapMixin = require('LocalEventTrapMixin');
var ReactBrowserComponentMixin = require('ReactBrowserComponentMixin');
var ReactCompositeComponent = require('ReactCompositeComponent');
var ReactElement = require('ReactElement');
var ReactDOM = require('ReactDOM');

// Store a reference to the <img> `ReactDOMComponent`. TODO: use string
var img = ReactElement.createFactory(ReactDOM.img.type);

/**
 * 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',

  mixins: [ReactBrowserComponentMixin, LocalEventTrapMixin],

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

  componentDidMount: function() {
    this.trapBubbledEvent(EventConstants.topLevelTypes.topLoad, 'load');
    this.trapBubbledEvent(EventConstants.topLevelTypes.topError, 'error');
  }
});

module.exports = ReactDOMImg;