IWidgetCreator.h

//========================================================================================
// 
// $File$
// 
// Owner: Bernd Paradies
// 
// $Author$
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// $DateTime$
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// Copyright 1997-2010 Adobe Systems Incorporated. All rights reserved.
// 
// NOTICE: Adobe permits you to use, modify, and distribute this file in accordance 
// with the terms of the Adobe license agreement accompanying it. If you have received
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//========================================================================================

#ifndef __IWidgetCreator__
#define __IWidgetCreator__

#include "IPMUnknown.h"
#include "widgetid.h"

class IControlView;

//----------------------------------------------------------------------------------------
// Interface IWidgetCreator
//----------------------------------------------------------------------------------------

class IWidgetCreator : public IPMUnknown
{
public:
 enum { kDefaultIID = IID_IWIDGETCREATOR };


 virtual IControlView * CreateChildOf( IControlView *pParent ) = 0; 


 virtual IControlView * QueryWidget( IControlView *pParent = 0 ) = 0;

 virtual ClassID GetWidgetClassID() const = 0;

 virtual WidgetID GetWidgetID() const = 0;
 
 inline IControlView * QueryChildOf( IControlView *pParent ); 

 virtual void RecalcWidget() = 0;
};

//---------------------------------------------------------------
// inline CWidgetCreator::QueryChildOf
//---------------------------------------------------------------

inline IControlView *IWidgetCreator::QueryChildOf( IControlView *pParent )
{
 IControlView *pView = this->QueryWidget( pParent );
 if( !pView )
 pView = CreateChildOf( pParent );
 return pView;
}

#endif