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/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2008 by Sun Microsystems, Inc.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * $RCSfile: cacheoptions.hxx,v $
 * $Revision: 1.6 $
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org 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 version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/

#ifndef INCLUDED_SVTOOLS_CACHEOPTIONS_HXX
#define INCLUDED_SVTOOLS_CACHEOPTIONS_HXX

//_________________________________________________________________________________________________________________
//  includes
//_________________________________________________________________________________________________________________

#include "svtools/svldllapi.h"
#include <sal/types.h>
#include <osl/mutex.hxx>
#include <rtl/ustring.hxx>

//_________________________________________________________________________________________________________________
//  forward declarations
//_________________________________________________________________________________________________________________

/*-************************************************************************************************************//**
    @short          forward declaration to our private date container implementation
    @descr          We use these class as internal member to support small memory requirements.
                    You can create the container if it is neccessary. The class which use these mechanism
                    is faster and smaller then a complete implementation!
*//*-*************************************************************************************************************/

class SvtCacheOptions_Impl;

//_________________________________________________________________________________________________________________
//  declarations
//_________________________________________________________________________________________________________________

/*-************************************************************************************************************//**
    @short          collect informations about startup features
    @descr          -

    @implements     -
    @base           -

    @devstatus      ready to use
*//*-*************************************************************************************************************/

class SVL_DLLPUBLIC SvtCacheOptions
{
    //-------------------------------------------------------------------------------------------------------------
    //  public methods
    //-------------------------------------------------------------------------------------------------------------

    public:

        //---------------------------------------------------------------------------------------------------------
        //  constructor / destructor
        //---------------------------------------------------------------------------------------------------------

        /*-****************************************************************************************************//**
            @short      standard constructor and destructor
            @descr      This will initialize an instance with default values.
                        We implement these class with a refcount mechanism! Every instance of this class increase it
                        at create and decrease it at delete time - but all instances use the same data container!
                        He is implemented as a static member ...

            @seealso    member m_nRefCount
            @seealso    member m_pDataContainer

            @param      -
            @return     -

            @onerror    -
        *//*-*****************************************************************************************************/

         SvtCacheOptions();
        ~SvtCacheOptions();

        //---------------------------------------------------------------------------------------------------------
        //  interface
        //---------------------------------------------------------------------------------------------------------

        /*-****************************************************************************************************//**
            @short      interface methods to get and set value of config key "org.openoffice.Office.Common/_3D-Engine/..."
            @descr      These options describe internal states to enable/disable features of installed office.

                        GetWriterOLE_Objects()
                        SetWriterOLE_Objects()              =>  set the number of Writer OLE objects to be cached

                        GetDrawingEngineOLE_Objects()
                        SetDrawingEngineOLE_Objects()       =>  set the number of DrawingEngine OLE objects to be cached

                        GetGraphicManagerTotalCacheSize()
                        SetGraphicManagerTotalCacheSize()   =>  set the maximum cache size used by GraphicManager to cache graphic objects

                        GetGraphicManagerObjectCacheSize()
                        SetGraphicManagerObjectCacheSize()  =>  set the maximum cache size for one GraphicObject to be cached by GraphicManager

            @seealso    configuration package "org.openoffice.Office.Common/_3D-Engine"
        *//*-*****************************************************************************************************/

        sal_Int32   GetWriterOLE_Objects() const;
        sal_Int32   GetDrawingEngineOLE_Objects() const;
        sal_Int32   GetGraphicManagerTotalCacheSize() const;
        sal_Int32   GetGraphicManagerObjectCacheSize() const;
        sal_Int32   GetGraphicManagerObjectReleaseTime() const;

        void        SetWriterOLE_Objects( sal_Int32 nObjects );
        void        SetDrawingEngineOLE_Objects( sal_Int32 nObjects );
        void        SetGraphicManagerTotalCacheSize( sal_Int32 nTotalCacheSize );
        void        SetGraphicManagerObjectCacheSize( sal_Int32 nObjectCacheSize );
        void        SetGraphicManagerObjectReleaseTime( sal_Int32 nReleaseTimeSeconds );

    //-------------------------------------------------------------------------------------------------------------
    //  private methods
    //-------------------------------------------------------------------------------------------------------------

    private:

        /*-****************************************************************************************************//**
            @short      return a reference to a static mutex
            @descr      These class use his own static mutex to be threadsafe.
                        We create a static mutex only for one ime and use at different times.

            @seealso    -

            @param      -
            @return     A reference to a static mutex member.

            @onerror    -
        *//*-*****************************************************************************************************/

        SVL_DLLPRIVATE static ::osl::Mutex& GetOwnStaticMutex();

    //-------------------------------------------------------------------------------------------------------------
    //  private member
    //-------------------------------------------------------------------------------------------------------------

    private:

        /*Attention

            Don't initialize these static member in these header!
            a) Double dfined symbols will be detected ...
            b) and unresolved externals exist at linking time.
            Do it in your source only.
         */

        static SvtCacheOptions_Impl*    m_pDataContainer    ;   /// impl. data container as dynamic pointer for smaller memory requirements!
        static sal_Int32                m_nRefCount         ;   /// internal ref count mechanism

};      // class SvtOptions3D

#endif // #ifndef INCLUDED_SVTOOLS_CACHEOPTIONS_HXX