// RootLayer.h : Declaration of the cRootLayer

#ifndef __ROOTLAYER_H_
#define __ROOTLAYER_H_

#include "resource.h"       // main symbols

// This special layer implements no sinks, it is merely a container
// layer for the bar manager and the window manager - it server no other purpose
// than to forward event on and avoid redundant looping in the manager object.

#include "SinkImpl.h"

class cView;

/////////////////////////////////////////////////////////////////////////////
// cRootLayer
class ATL_NO_VTABLE cRootLayer : 
	public CComObjectRootEx<CComMultiThreadModel>,
	public ILayerImpl< cRootLayer >,
   public IPanelSink,
   public cNoEventsImpl,
   public IRootLayer
{
public:
	cRootLayer()
      : m_nNextViewID( 1000 )
	{
	}

   CComPtr< IBarManager > m_pBars;
   CComPtr< IPanel > m_pPanel;

   typedef std::list< cView * > cViewList;
   cViewList m_views;
   long m_nNextViewID;

   void addView( cView *pView, ILayer *pRootLayer );
   void removeView( cView *pView );

   void onCreate();
   void onDestroy();

BEGIN_COM_MAP(cRootLayer)
   COM_INTERFACE_ENTRY(IPanelSink)
   COM_INTERFACE_ENTRY(IRootLayer)
   COM_INTERFACE_ENTRY(ILayer)
END_COM_MAP()

public:
   // IRootLayer Methods
	STDMETHOD(CreateView)(ViewParams *pParams, ILayer *pLayer, /*[out, retval]*/ IView **ppView);
	STDMETHOD(SelectBar)(long nID);
	STDMETHOD(LoadView)(BSTR strXML, /*[out, retval]*/ IView **ppView);
	STDMETHOD(LoadViewObject)(IUnknown *pSchema, /*[out, retval]*/ IView **ppView);

   // IPanelSink Methods
   STDMETHOD(PanelDeactivate)( long nViewID );
};

#endif //__ROOTLAYER_H_