/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (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.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Mats Palmgren <mats.palmgren@bredband.net>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
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 * the provisions above, a recipient may use your version of this file under
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 *
 * ***** END LICENSE BLOCK ***** */

#ifndef nsISelectControlFrame_h___
#define nsISelectControlFrame_h___

#include "nsISupports.h"

// IID for the nsISelectControlFrame class
// 264dc2f5-1cca-47dd-9ebc-699c430be00a
#define NS_ISELECTCONTROLFRAME_IID \
{ 0x264dc2f5, 0x1cca, 0x47dd, \
  { 0x9e, 0xbc, 0x69, 0x9c, 0x43, 0x0b, 0xe0, 0x0a } }

class nsIDOMHTMLOptionElement;

/** 
  * nsISelectControlFrame is the interface for combo boxes and listboxes
  */
class nsISelectControlFrame : public nsISupports {

public:
  NS_DEFINE_STATIC_IID_ACCESSOR(NS_ISELECTCONTROLFRAME_IID)

  /**
   * Adds an option to the list at index
   */

  NS_IMETHOD AddOption(nsPresContext* aPresContext, PRInt32 index) = 0;

  /**
   * Removes the option at index
   */

  NS_IMETHOD RemoveOption(nsPresContext* aPresContext, PRInt32 index) = 0; 

  /**
   * Sets the select state of the option at index
   */
  NS_IMETHOD GetOptionSelected(PRInt32 index, PRBool* value) = 0;

  /**
   * Sets whether the parser is done adding children
   * @param aIsDone whether the parser is done adding children
   */
  NS_IMETHOD DoneAddingChildren(PRBool aIsDone) = 0;

  /**
   * Notify the frame when an option is selected
   */
  NS_IMETHOD OnOptionSelected(nsPresContext* aPresContext,
                              PRInt32 aIndex,
                              PRBool aSelected) = 0;

  /**
   * For the content model to tell if there's a dummy frame or not
   */
  NS_IMETHOD GetDummyFrame(nsIFrame** aFrame) = 0;
  NS_IMETHOD SetDummyFrame(nsIFrame* aFrame) = 0;

  /**
   * Notify the frame when selectedIndex was changed
   */
  NS_IMETHOD OnSetSelectedIndex(PRInt32 aOldIndex, PRInt32 aNewIndex) = 0;

};

#endif
