xref: /AOO41X/main/svl/source/items/cntwall.cxx (revision cdf0e10c4e3984b49a9502b011690b615761d4a3)

/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * 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
#include "precompiled_svl.hxx"

#include <tools/debug.hxx>
#include <tools/string.hxx>
#include <tools/stream.hxx>
#include <tools/vcompat.hxx>

#include <svl/cntwall.hxx>

#define CNTWALLPAPERITEM_STREAM_MAGIC   ( (sal_uInt32)0xfefefefe )
#define CNTWALLPAPERITEM_STREAM_SEEKREL (-( (long)( sizeof( sal_uInt32 ) ) ) )

TYPEINIT1( CntWallpaperItem, SfxPoolItem );

// -----------------------------------------------------------------------
CntWallpaperItem::CntWallpaperItem( sal_uInt16 which )
	: SfxPoolItem( which ), _nColor( COL_TRANSPARENT ), _nStyle( 0 )
{
}

// -----------------------------------------------------------------------
CntWallpaperItem::CntWallpaperItem( sal_uInt16 which, SvStream& rStream, sal_uInt16 nVersion )
	: SfxPoolItem( which ), _nColor( COL_TRANSPARENT ), _nStyle( 0 )
{
	sal_uInt32 nMagic = 0;
	rStream >> nMagic;
	if ( nMagic == CNTWALLPAPERITEM_STREAM_MAGIC )
	{
		// Okay, data were stored by CntWallpaperItem.

		readUnicodeString(rStream, _aURL, nVersion >= 1);
		// !!! Color stream operators do not work - they discard any
		// transparency info !!!
		_nColor.Read( rStream, sal_True );
		rStream >> _nStyle;
	}
	else
	{
		rStream.SeekRel( CNTWALLPAPERITEM_STREAM_SEEKREL );

		// Data were stored by SfxWallpaperItem ( SO < 6.0 ). The only
		// thing we can do here is to get the URL and to position the stream.

		{
			// "Read" Wallpaper member - The version compat object positions
			// the stream after the wallpaper data in its dtor. We must use
			// this trick here as no VCL must be used here ( No Wallpaper
			// object allowed ).
			VersionCompat aCompat( rStream, STREAM_READ );
		}

		// Read SfxWallpaperItem's string member _aURL.
		readUnicodeString(rStream, _aURL, false);

		// "Read" SfxWallpaperItem's string member _aFilter.
		ByteString aDummy;
		rStream.ReadByteString(aDummy);
	}
}

// -----------------------------------------------------------------------
CntWallpaperItem::CntWallpaperItem( const CntWallpaperItem& rItem ) :
	SfxPoolItem( rItem ),
	_aURL( rItem._aURL ),
	_nColor( rItem._nColor ),
	_nStyle( rItem._nStyle )
{
}

// -----------------------------------------------------------------------
CntWallpaperItem::~CntWallpaperItem()
{
}

// -----------------------------------------------------------------------
int CntWallpaperItem::operator==( const SfxPoolItem& rItem ) const
{
	DBG_ASSERT( SfxPoolItem::operator==( rItem ), "unequal type" );

	const CntWallpaperItem& rWallItem = (const CntWallpaperItem&)rItem;

	if( ( rWallItem._nStyle == _nStyle ) &&
		( rWallItem._nColor == _nColor ) &&
		( rWallItem._aURL == _aURL ) )
		return sal_True;
	else
		return sal_False;
}

//============================================================================
// virtual
sal_uInt16 CntWallpaperItem::GetVersion(sal_uInt16) const
{
	return 1; // because it uses SfxPoolItem::read/writeUnicodeString()
}

// -----------------------------------------------------------------------
SfxPoolItem* CntWallpaperItem::Create( SvStream& rStream, sal_uInt16 nVersion) const
{
	return new CntWallpaperItem( Which(), rStream, nVersion );
}

// -----------------------------------------------------------------------
SvStream& CntWallpaperItem::Store( SvStream& rStream, sal_uInt16 ) const
{
	rStream << CNTWALLPAPERITEM_STREAM_MAGIC;
	writeUnicodeString(rStream, _aURL);
	// !!! Color stream operators do not work - they discard any
	// transparency info !!!
	// ??? Why the hell Color::Write(...) isn't const ???
	SAL_CONST_CAST( CntWallpaperItem*, this )->_nColor.Write( rStream, sal_True );
	rStream << _nStyle;

	return rStream;
}

// -----------------------------------------------------------------------
SfxPoolItem* CntWallpaperItem::Clone( SfxItemPool* ) const
{
	return new CntWallpaperItem( *this );
}

//----------------------------------------------------------------------------
// virtual
sal_Bool CntWallpaperItem::QueryValue( com::sun::star::uno::Any&,sal_uInt8 ) const
{
    DBG_ERROR("Not implemented!");
	return sal_False;
}

//----------------------------------------------------------------------------
// virtual
sal_Bool CntWallpaperItem::PutValue( const com::sun::star::uno::Any&,sal_uInt8 )
{
    DBG_ERROR("Not implemented!");
	return sal_False;
}