/*************************************************************************
 *
 *  $RCSfile: previewbase.hxx,v $
 *
 *  $Revision: 1.2 $
 *
 *  last change: $Author: rt $ $Date: 2003-10-06 15:57:29 $
 *
 *  The Contents of this file are made available subject to the terms of
 *  either of the following licenses
 *
 *         - GNU Lesser General Public License Version 2.1
 *         - Sun Industry Standards Source License Version 1.1
 *
 *  Sun Microsystems Inc., October, 2000
 *
 *  GNU Lesser General Public License Version 2.1
 *  =============================================
 *  Copyright 2000 by Sun Microsystems, Inc.
 *  901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License version 2.1, as published by the Free Software Foundation.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *  MA  02111-1307  USA
 *
 *
 *  Sun Industry Standards Source License Version 1.1
 *  =================================================
 *  The contents of this file are subject to the Sun Industry Standards
 *  Source License Version 1.1 (the "License"); You may not use this file
 *  except in compliance with the License. You may obtain a copy of the
 *  License at http://www.openoffice.org/license.html.
 *
 *  Software provided under this License is provided on an "AS IS" basis,
 *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
 *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
 *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
 *  See the License for the specific provisions governing your rights and
 *  obligations concerning the Software.
 *
 *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
 *
 *  Copyright: 2000 by Sun Microsystems, Inc.
 *
 *  All Rights Reserved.
 *
 *  Contributor(s): _______________________________________
 *
 *
 ************************************************************************/

#ifndef _PREVIEWBASE_HXX_
#define _PREVIEWBASE_HXX_

#ifndef _SAL_TYPES_H_
#include <sal/types.h>
#endif

#ifndef _COM_SUN_STAR_UNO_SEQUENCE_HXX_
#include <com/sun/star/uno/Sequence.hxx>
#endif

#ifndef _COM_SUN_STAR_UNO_RUNTIMEEXCEPTION_HPP_
#include <com/sun/star/uno/RuntimeException.hpp>
#endif

#ifndef _COM_SUN_STAR_LANG_ILLEGALARGUMENTEXCEPTION_HPP_
#include <com/sun/star/lang/IllegalArgumentException.hpp>
#endif

#ifndef _COM_SUN_STAR_UNO_ANY_HXX_
#include <com/sun/star/uno/Any.hxx>
#endif

#include <windows.h>

//---------------------------------------------
// Common interface for previews
//---------------------------------------------

class PreviewBase
{
public:
    PreviewBase();

    // dtor
    virtual ~PreviewBase();

    virtual sal_Int32 SAL_CALL getTargetColorDepth()
        throw (::com::sun::star::uno::RuntimeException);

    virtual sal_Int32 SAL_CALL getAvailableWidth()
        throw (::com::sun::star::uno::RuntimeException);

    virtual sal_Int32 SAL_CALL getAvailableHeight()
        throw (::com::sun::star::uno::RuntimeException);

    virtual void SAL_CALL setImage( sal_Int16 aImageFormat, const ::com::sun::star::uno::Any& aImage )
        throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);

    virtual sal_Bool SAL_CALL setShowState( sal_Bool bShowState )
        throw (::com::sun::star::uno::RuntimeException);

    virtual sal_Bool SAL_CALL getShowState()
        throw (::com::sun::star::uno::RuntimeException);

    virtual void SAL_CALL getImage(sal_Int16& aImageFormat,com::sun::star::uno::Any& aImage);

    sal_Int16 SAL_CALL getImaginaryShowState() const;

    virtual HWND SAL_CALL getWindowHandle() const;

protected:
    ::com::sun::star::uno::Any m_ImageData;
    sal_Int16                  m_ImageFormat;
    sal_Bool                   m_bShowState;
};


#endif
