/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "nsIDOMHTMLElement.idl"
#include "nsIDOMHTMLCollection.idl"

interface nsIDOMHTMLOptionElement;
interface nsIDOMHTMLSelectElement;

/**
 * The nsIDOMHTMLOptionsCollection interface is the interface to a
 * collection of [X]HTML option elements.
 *
 * This interface is trying to follow the DOM Level 2 HTML specification:
 * http://www.w3.org/TR/DOM-Level-2-HTML/
 *
 * with changes from the work-in-progress WHATWG HTML specification:
 * http://www.whatwg.org/specs/web-apps/current-work/
 */

// Introduced in DOM Level 2:
[uuid(4173cc53-30f6-4d12-a770-981ba53164e2)]
interface nsIDOMHTMLOptionsCollection : nsISupports
{
           attribute unsigned long   length;
                                        // raises(DOMException) on setting

  // FIXME item should just be inherited from nsIDOMHTMLCollection
  nsIDOMNode         item(in unsigned long index);

  // FIXME namedItem (and getNamedItem) should return a NodeList if there are
  //       multiple matching items
  nsIDOMNode namedItem(in DOMString name);

           attribute long             selectedIndex;

  [noscript] void    setOption(in unsigned long index,
                               in nsIDOMHTMLOptionElement option);

  [noscript] readonly attribute nsIDOMHTMLSelectElement select;

  // This add method implementation means the following
  // since IDL doesn't support overloading.
  //   void add(in nsIDOMHTMLOptionElement,
  //            [optional] in nsIDOMHTMLOptionElement)
  //   void add(in nsIDOMHTMLOptionElement, in long)
  void                      add(in nsIDOMHTMLOptionElement option,
                                [optional] in nsIVariant before);
  void                      remove(in long index);
};
