/*************************************************************************
 *
 * 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: svt_cacheoptions.cxx,v $
 * $Revision: 1.4 $
 *
 * 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.
 *
 ************************************************************************/

// MARKER(update_precomp.py): autogen include statement, do not remove

#ifndef GCC
#endif

//_________________________________________________________________________________________________________________
//	includes
//_________________________________________________________________________________________________________________

#include "cacheoptions.hxx"

#ifndef _UTL_CONFIGMGR_HXX_
#include <unotools/configmgr.hxx>
#endif
#ifndef _UTL_CONFIGITEM_HXX_
#include <unotools/configitem.hxx>
#endif
#ifndef _TOOLS_DEBUG_HXX
#include <tools/debug.hxx>
#endif
#ifndef _COM_SUN_STAR_UNO_ANY_HXX_
#include <com/sun/star/uno/Any.hxx>
#endif
#ifndef _COM_SUN_STAR_UNO_SEQUENCE_HXX_
#include <com/sun/star/uno/Sequence.hxx>
#endif

//_________________________________________________________________________________________________________________
//	namespaces
//_________________________________________________________________________________________________________________

using namespace ::utl;
using namespace ::rtl;
using namespace ::osl;
using namespace ::com::sun::star::uno;

namespace binfilter
{

//_________________________________________________________________________________________________________________
//	const
//_________________________________________________________________________________________________________________

#define	ROOTNODE_START			   			OUString(RTL_CONSTASCII_USTRINGPARAM("Office.Common/Cache"	))
#define	DEFAULT_WRITEROLE					20
#define	DEFAULT_DRAWINGOLE					20
#define	DEFAULT_GRFMGR_TOTALSIZE			10000000
#define	DEFAULT_GRFMGR_OBJECTSIZE			2400000
#define	DEFAULT_GRFMGR_OBJECTRELEASE	    600
											
#define	PROPERTYNAME_WRITEROLE				OUString(RTL_CONSTASCII_USTRINGPARAM("Writer/OLE_Objects"))
#define	PROPERTYNAME_DRAWINGOLE				OUString(RTL_CONSTASCII_USTRINGPARAM("DrawingEngine/OLE_Objects"))
#define	PROPERTYNAME_GRFMGR_TOTALSIZE		OUString(RTL_CONSTASCII_USTRINGPARAM("GraphicManager/TotalCacheSize"))
#define	PROPERTYNAME_GRFMGR_OBJECTSIZE		OUString(RTL_CONSTASCII_USTRINGPARAM("GraphicManager/ObjectCacheSize"))
#define PROPERTYNAME_GRFMGR_OBJECTRELEASE   OUString(RTL_CONSTASCII_USTRINGPARAM("GraphicManager/ObjectReleaseTime"))

#define	PROPERTYHANDLE_WRITEROLE			0
#define	PROPERTYHANDLE_DRAWINGOLE			1
#define	PROPERTYHANDLE_GRFMGR_TOTALSIZE		2
#define	PROPERTYHANDLE_GRFMGR_OBJECTSIZE	3
#define PROPERTYHANDLE_GRFMGR_OBJECTRELEASE 4

#define	PROPERTYCOUNT						5

class SvtCacheOptions_Impl : public ConfigItem
{
public:

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

	 SvtCacheOptions_Impl();
	~SvtCacheOptions_Impl();

//---------------------------------------------------------------------------------------------------------
//	overloaded methods of baseclass
//---------------------------------------------------------------------------------------------------------

	virtual void	Commit();

//---------------------------------------------------------------------------------------------------------
//	public interface
//---------------------------------------------------------------------------------------------------------

	sal_Int32		GetDrawingEngineOLE_Objects() const;

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

private:

	static Sequence< OUString > impl_GetPropertyNames();

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

private:

		sal_Int32	mnWriterOLE;
		sal_Int32	mnDrawingOLE;
		sal_Int32	mnGrfMgrTotalSize;
		sal_Int32	mnGrfMgrObjectSize;
        sal_Int32   mnGrfMgrObjectRelease;
};

//_________________________________________________________________________________________________________________
//	definitions
//_________________________________________________________________________________________________________________

//*****************************************************************************************************************
//	constructor
//*****************************************************************************************************************
SvtCacheOptions_Impl::SvtCacheOptions_Impl() :
	ConfigItem( ROOTNODE_START	),
	mnWriterOLE( DEFAULT_WRITEROLE ),
	mnDrawingOLE( DEFAULT_DRAWINGOLE ),
	mnGrfMgrTotalSize( DEFAULT_GRFMGR_TOTALSIZE ),
	mnGrfMgrObjectSize( DEFAULT_GRFMGR_OBJECTSIZE ),
    mnGrfMgrObjectRelease( DEFAULT_GRFMGR_OBJECTRELEASE )
{
	Sequence< OUString >	seqNames( impl_GetPropertyNames() );
	Sequence< Any >			seqValues	= GetProperties( seqNames )	;

	DBG_ASSERT( !(seqNames.getLength()!=seqValues.getLength()), "SvtCacheOptions_Impl::SvtCacheOptions_Impl()\nI miss some values of configuration keys!\n" );

	// Copy values from list in right order to ouer internal member.
	sal_Int32 nPropertyCount = seqValues.getLength();
	sal_Int32 nProperty	= 0;
	
	for( nProperty=0; nProperty<nPropertyCount; ++nProperty )
	{
		if( seqValues[ nProperty ].hasValue() )
		{
			switch( nProperty )
			{
				case PROPERTYHANDLE_WRITEROLE:
				{
					if( seqValues[ nProperty ].getValueTypeClass() == TypeClass_LONG )
						seqValues[nProperty] >>= mnWriterOLE;
				}
				break;

				case PROPERTYHANDLE_DRAWINGOLE:
				{
					if( seqValues[ nProperty ].getValueTypeClass() == TypeClass_LONG )
						seqValues[nProperty] >>= mnDrawingOLE;
				}
				break;

				case PROPERTYHANDLE_GRFMGR_TOTALSIZE:
				{
					if( seqValues[ nProperty ].getValueTypeClass() == TypeClass_LONG )
						seqValues[nProperty] >>= mnGrfMgrTotalSize;
				}
				break;

				case PROPERTYHANDLE_GRFMGR_OBJECTSIZE:
				{
					if( seqValues[ nProperty ].getValueTypeClass() == TypeClass_LONG )
						seqValues[nProperty] >>= mnGrfMgrObjectSize;
				}
				break;

				case PROPERTYHANDLE_GRFMGR_OBJECTRELEASE:
				{
					if( seqValues[ nProperty ].getValueTypeClass() == TypeClass_LONG )
						seqValues[nProperty] >>= mnGrfMgrObjectRelease;
				}
				break;
			}
		}
	}
}

//*****************************************************************************************************************
//	destructor
//*****************************************************************************************************************
SvtCacheOptions_Impl::~SvtCacheOptions_Impl()
{
	if( IsModified() )
		Commit();
}

//*****************************************************************************************************************
//	Commit
//*****************************************************************************************************************
void SvtCacheOptions_Impl::Commit()
{
	Sequence< OUString >	aSeqNames( impl_GetPropertyNames() );
	Sequence< Any >			aSeqValues( aSeqNames.getLength() );
	
	for( sal_Int32 nProperty = 0, nCount = aSeqNames.getLength(); nProperty < nCount; ++nProperty )
	{
        switch( nProperty )
        {
            case PROPERTYHANDLE_WRITEROLE:
				aSeqValues[nProperty] <<= mnWriterOLE;
			break;

            case PROPERTYHANDLE_DRAWINGOLE:
				aSeqValues[nProperty] <<= mnDrawingOLE;
			break;

            case PROPERTYHANDLE_GRFMGR_TOTALSIZE:
				aSeqValues[nProperty] <<= mnGrfMgrTotalSize;
			break;

            case PROPERTYHANDLE_GRFMGR_OBJECTSIZE:
				aSeqValues[nProperty] <<= mnGrfMgrObjectSize;
			break;

            case PROPERTYHANDLE_GRFMGR_OBJECTRELEASE:
				aSeqValues[nProperty] <<= mnGrfMgrObjectRelease;
			break;
        }
	}

	PutProperties( aSeqNames, aSeqValues );
}

//*****************************************************************************************************************
//	public method
//*****************************************************************************************************************
sal_Int32 SvtCacheOptions_Impl::GetDrawingEngineOLE_Objects() const
{
	return mnDrawingOLE;
}

//*****************************************************************************************************************
//	private method
//*****************************************************************************************************************
Sequence< OUString > SvtCacheOptions_Impl::impl_GetPropertyNames()
{
	// Build static list of configuration key names.
	static const OUString pProperties[] =
	{
		PROPERTYNAME_WRITEROLE,
		PROPERTYNAME_DRAWINGOLE,
		PROPERTYNAME_GRFMGR_TOTALSIZE,
		PROPERTYNAME_GRFMGR_OBJECTSIZE,
		PROPERTYNAME_GRFMGR_OBJECTRELEASE
	};
	// Initialize return sequence with these list ...
	static const Sequence< OUString > seqPropertyNames( pProperties, PROPERTYCOUNT );
	// ... and return it.
	return seqPropertyNames;
}

//*****************************************************************************************************************
//	initialize static member
//	DON'T DO IT IN YOUR HEADER!
//	see definition for further informations
//*****************************************************************************************************************
SvtCacheOptions_Impl*	SvtCacheOptions::m_pDataContainer = NULL;
sal_Int32				SvtCacheOptions::m_nRefCount = 0;

//*****************************************************************************************************************
//	constructor
//*****************************************************************************************************************
SvtCacheOptions::SvtCacheOptions()
{
    // Global access, must be guarded (multithreading!).
    MutexGuard aGuard( GetOwnStaticMutex() );
	// Increase ouer refcount ...
	++m_nRefCount;
	// ... and initialize ouer data container only if it not already!
    if( m_pDataContainer == NULL )
	{
        m_pDataContainer = new SvtCacheOptions_Impl();
	}
}

//*****************************************************************************************************************
//	destructor
//*****************************************************************************************************************
SvtCacheOptions::~SvtCacheOptions()
{
    // Global access, must be guarded (multithreading!)
    MutexGuard aGuard( GetOwnStaticMutex() );
	// Decrease ouer refcount.
	--m_nRefCount;
	// If last instance was deleted ...
	// we must destroy ouer static data container!
    if( m_nRefCount <= 0 )
	{
		delete m_pDataContainer;
		m_pDataContainer = NULL;
	}
}

//*****************************************************************************************************************
//	public method
//*****************************************************************************************************************
sal_Int32 SvtCacheOptions::GetDrawingEngineOLE_Objects() const
{
    MutexGuard aGuard( GetOwnStaticMutex() );
	return m_pDataContainer->GetDrawingEngineOLE_Objects();
}

//*****************************************************************************************************************
//	private method
//*****************************************************************************************************************
Mutex& SvtCacheOptions::GetOwnStaticMutex()
{
	// Initialize static mutex only for one time!
    static Mutex* pMutex = NULL;
	// If these method first called (Mutex not already exist!) ...
    if( pMutex == NULL )
    {
		// ... we must create a new one. Protect follow code with the global mutex -
		// It must be - we create a static variable!
        MutexGuard aGuard( Mutex::getGlobalMutex() );
		// We must check our pointer again - because it can be that another instance of ouer class will be fastr then these!
        if( pMutex == NULL )
        {
			// Create the new mutex and set it for return on static variable.
            static Mutex aMutex;
            pMutex = &aMutex;
        }
    }
	// Return new created or already existing mutex object.
    return *pMutex;
}
}
