/* -*- 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 nsIRadioControlFrame_h___
#define nsIRadioControlFrame_h___

#include "nsISupports.h"
class nsIStyleContext;

// IID for the nsIRadioControlFrame class
// {06450E00-24D9-11d3-966B-00105A1B1B76}
#define NS_IRADIOCONTROLFRAME_IID    \
{ 0x6450e00, 0x24d9, 0x11d3,  \
  { 0x96, 0x6b, 0x0, 0x10, 0x5a, 0x1b, 0x1b, 0x76 } }


/** 
  * nsIRadioControlFrame is the common interface radio buttons.
  * @see nsFromControlFrame and its base classes for more info
  */
class nsIRadioControlFrame : public nsISupports {

public:
  NS_DEFINE_STATIC_IID_ACCESSOR(NS_IRADIOCONTROLFRAME_IID)

  /**
   * Sets the Pseudo Style Contexts for the Radio button
   *
   */

   NS_IMETHOD SetRadioButtonFaceStyleContext(nsIStyleContext *aRadioButtonFaceStyleContext) = 0;

  /**
   * When a user clicks on a radiobutton the value needs to be set after the onmouseup
   * and before the onclick event is processed via script. The EVM always lets script
   * get first crack at the processing, and script can cancel further processing of 
   * the event by return null.
   *
   * This means the radiobutton needs to have it's new value set before it goes to script 
   * to process the onclick and then if script cancels the event it needs to be set back.
   * In Nav and IE there is a flash of it being set and then unset
   * 
   * We have added this extra method to the radiobutton so nsHTMLInputElement can get
   * the content of the currently selected radiobutton for that radio group
   *
   * That way if it is cancelled then the original radiobutton can be set back
   */

   NS_IMETHOD GetRadioGroupSelectedContent(nsIContent ** aRadioBtn) = 0;


};

#endif