gecko/layout/forms/nsISelectControlFrame.h

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 *   Mats Palmgren <mats.palmgren@bredband.net>
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#ifndef nsISelectControlFrame_h___
#define nsISelectControlFrame_h___

#include "nsQueryFrame.h"

class nsIDOMHTMLOptionElement;

/** 
  * nsISelectControlFrame is the interface for combo boxes and listboxes
  */
class nsISelectControlFrame : public nsQueryFrame
{
public:
  NS_DECLARE_FRAME_ACCESSOR(nsISelectControlFrame)

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

  NS_IMETHOD AddOption(PRInt32 index) = 0;

  /**
   * Removes the option at index.  The caller must have a live script
   * blocker while calling this method.
   */
  NS_IMETHOD RemoveOption(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(PRInt32 aIndex, PRBool aSelected) = 0;

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

};

#endif