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#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