gecko/layout/forms/nsISelectControlFrame.h

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 * The Initial Developer of the Original Code is
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 *   Mats Palmgren <mats.palmgren@bredband.net>
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#ifndef nsISelectControlFrame_h___
#define nsISelectControlFrame_h___

#include "nsISupports.h"

// IID for the nsISelectControlFrame class
// f8a1b329-d0d8-4bd5-a9ab-08c3c0f2f166
#define NS_ISELECTCONTROLFRAME_IID \
{ 0xf8a1b329, 0xd0d8, 0x4bd5, \
 { 0xa9, 0xab, 0x08, 0xc3, 0xc0, 0xf2, 0xf1, 0x66 } }

class nsIDOMHTMLOptionElement;

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

public:
  NS_DECLARE_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;

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

};

NS_DEFINE_STATIC_IID_ACCESSOR(nsISelectControlFrame,
                              NS_ISELECTCONTROLFRAME_IID)

#endif