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/**

  Eric D Vaughan
  A frame that can have multiple children. Only one child may be displayed at one time. So the
  can be flipped though like a Stack of cards.
 
**/

#ifndef nsStackFrame_h___
#define nsStackFrame_h___

#include "nsBoxFrame.h"

class nsStackFrame : public nsBoxFrame
{
public:
  NS_DECL_FRAMEARENA_HELPERS

  friend nsIFrame* NS_NewStackFrame(nsIPresShell* aPresShell,
                                    nsStyleContext* aContext);

#ifdef NS_DEBUG
  NS_IMETHOD GetFrameName(nsAString& aResult) const
  {
    return MakeFrameName(NS_LITERAL_STRING("Stack"), aResult);
  }
#endif

  NS_IMETHOD BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
                                         const nsRect&           aDirtyRect,
                                         const nsDisplayListSet& aLists);

protected:
  nsStackFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
}; // class nsStackFrame



#endif

