/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 *
 * The contents of this file are subject to the Netscape 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/NPL/
 *
 * 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 Netscape are
 * Copyright (C) 1998 Netscape Communications Corporation. All
 * Rights Reserved.
 *
 * Contributor(s): 
 */

#ifndef nsISelectControlFrame_h___
#define nsISelectControlFrame_h___

#include "nsISupports.h"

// IID for the nsISelectControlFrame class
#define NS_ISELECTCONTROLFRAME_IID    \
{ 0x162a2ae3, 0x5a79, 0x11d3,  \
  { 0x96, 0xea, 0x0, 0x60, 0xb0, 0xfb, 0x99, 0x56 } }
// {162A2AE3-5A79-11d3-96EA-0060B0FB9956}

/** 
  * 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(nsIPresContext* aPresContext, PRInt32 index) = 0;

  /**
   * Removes the option at index
   */

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

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

  /**
   * Sets the select state of the option at index
   */
  NS_IMETHOD DoneAddingContent(PRBool aIsDone) = 0;

  /**
   * Notification that an option has been disabled
   */

  NS_IMETHOD OptionDisabled(nsIContent * aContent) = 0;

  /**
   * This only applies to Comboboxes, no-op for ListBoxes
   */
  NS_IMETHOD MakeSureSomethingIsSelected(nsIPresContext* aPresContext) = 0;

};

#endif