#ifndef __DW_STACKINGCONTEXTMGR_HH__
#define __DW_STACKINGCONTEXTMGR_HH__

#ifndef __INCLUDED_FROM_DW_CORE_HH__
#   error Do not include this file directly, use "core.hh" instead.
#endif

#include "../lout/container.hh"

#include <limits.h>

namespace dw {

namespace core {

class OOFAwareWidget;

/**
 * \brief ...
 */
class StackingContextMgr
{
private:
   lout::container::typed::Vector<Widget> *scWidgets;
   int minZIndex, maxZIndex;

   void draw (View *view, Rectangle *area, int startZIndex, int endZIndex);
   
public:
   StackingContextMgr (Widget *widget);
   ~StackingContextMgr ();

   inline static bool isEstablishingStackingContext (Widget *widget) {
      return widget->getStyle()->position != style::POSITION_STATIC &&
         widget->getStyle()->zIndex != style::Z_INDEX_AUTO;
   }

   void addChildSCWidget (Widget *widget);

   void drawBottom (View *view, Rectangle *area);
   void drawTop (View *view, Rectangle *area);
};

} // namespace core

} // namespace dw

#endif // __DW_STACKINGCONTEXTMGR_HH__