/**
 * Copyright 2013 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 ReactDOMForm
 */

"use strict";

var ReactCompositeComponent = require('ReactCompositeComponent');
var ReactDOM = require('ReactDOM');
var ReactEventEmitter = require('ReactEventEmitter');
var EventConstants = require('EventConstants');

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

/**
 * Since onSubmit doesn't bubble OR capture on the top level in IE8, we need
 * to capture it on the <form> element itself. There are lots of hacks we could
 * do to accomplish this, but the most reliable is to make <form> a
 * composite component and use `componentDidMount` to attach the event handlers.
 */
var ReactDOMForm = ReactCompositeComponent.createClass({
  render: function() {
    // TODO: Instead of using `ReactDOM` directly, we should use JSX. However,
    // `jshint` fails to parse JSX so in order for linting to work in the open
    // source repo, we need to just use `ReactDOM.form`.
    return this.transferPropsTo(form(null, this.props.children));
  },

  componentDidMount: function(node) {
    ReactEventEmitter.trapBubbledEvent(
      EventConstants.topLevelTypes.topSubmit,
      'submit',
      node
    );
  }
});

module.exports = ReactDOMForm;
