81 lines
2.7 KiB
C++
81 lines
2.7 KiB
C++
/*************************************************************************
|
|
*
|
|
* 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: laycache.hxx,v $
|
|
* $Revision: 1.5 $
|
|
*
|
|
* 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 _LAYCACHE_HXX
|
|
#define _LAYCACHE_HXX
|
|
|
|
#include <tools/solar.h>
|
|
|
|
class SwDoc;
|
|
class SwLayCacheImpl;
|
|
class SvStream;
|
|
|
|
/*************************************************************************
|
|
* class SwLayoutCache
|
|
*
|
|
* This class allows to save layout information in the file and it contains
|
|
* this information after loading of a file.
|
|
* Call Write(..) with a stream and the document to save and the page break
|
|
* information of the document will be written.
|
|
* Call Read(..) with a stream and the member pLayCacheImpl will
|
|
* read the information from the stream and store it in an internal structur.
|
|
* There's a simple locking mechanism at these classes,
|
|
* if somebody reads the information, he increments the lock count by 1,
|
|
* during the Read(..) function the lock count will set to $8000.
|
|
*
|
|
**************************************************************************/
|
|
|
|
class SwLayoutCache
|
|
{
|
|
SwLayCacheImpl *pImpl;
|
|
USHORT nLockCount;
|
|
public:
|
|
SwLayoutCache() : pImpl( NULL ), nLockCount( 0 ) {}
|
|
~SwLayoutCache();
|
|
|
|
void Read( SvStream &rStream );
|
|
void Write( SvStream &rStream, const SwDoc& rDoc );
|
|
|
|
void ClearImpl();
|
|
sal_Bool IsLocked() const { return nLockCount > 0; }
|
|
USHORT& GetLockCount() { return nLockCount; }
|
|
SwLayCacheImpl *LockImpl()
|
|
{ if( nLockCount & 0x8000 ) return NULL;
|
|
if ( pImpl )
|
|
++nLockCount;
|
|
return pImpl; }
|
|
void UnlockImpl() { --nLockCount; }
|
|
|
|
#ifndef PRODUCT
|
|
sal_Bool CompareLayout( const SwDoc& rDoc ) const;
|
|
#endif
|
|
};
|
|
|
|
#endif
|