/*************************************************************************
 *
 * 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
 *
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 *
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 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
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 * 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>
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#ifndef _FLBYTES_HXX
#define _FLBYTES_HXX

#ifndef _TOOLS_DEBUG_HXX
#include <tools/debug.hxx>
#endif
#ifndef _STREAM_HXX
#include <tools/stream.hxx>
#endif

namespace binfilter
{

//============================================================================
class SvSyncLockBytes: public SvOpenLockBytes
{
	SvAsyncLockBytesRef m_xAsyncLockBytes;

public:
	TYPEINFO();

	/// Create a synchronous wrapper around existing asynchronous lock bytes.
	///
	/// @param pTheAsyncLockBytes  Must not be null.
	inline SvSyncLockBytes(SvAsyncLockBytes * pTheAsyncLockBytes);

	/// Create a synchronous wrapper around an existing stream.
	///
	/// @descr  This is like first creating asynchronous lock bytes around the
	/// stream and than creating a synchronous wrapper around the asynchronous
	/// lock bytes.
	///
	/// @param pStream  Must not be null.
	///
	/// @param bOwner  True if these lock bytes own the stream (delete it on
	/// destruction).
	SvSyncLockBytes(SvStream * pStream, BOOL bOwner):
		m_xAsyncLockBytes(new SvAsyncLockBytes(pStream, bOwner)) {}

	virtual const SvStream * GetStream() const
	{ return m_xAsyncLockBytes->GetStream(); }

	virtual void SetSynchronMode(BOOL bSync = TRUE)
	{ m_xAsyncLockBytes->SetSynchronMode(bSync); }

	virtual BOOL IsSynchronMode() const
	{ return m_xAsyncLockBytes->IsSynchronMode(); }

	virtual ErrCode ReadAt(ULONG nPos, void * pBuffer, ULONG nCount,
						   ULONG * pRead) const;

	virtual ErrCode WriteAt(ULONG nPos, const void * pBuffer, ULONG nCount,
							ULONG * pWritten);

	virtual ErrCode Flush() const { return m_xAsyncLockBytes->Flush(); }

	virtual ErrCode SetSize(ULONG nSize)
	{ return m_xAsyncLockBytes->SetSize(nSize); }

	virtual ErrCode LockRegion(ULONG nPos, ULONG nCount, LockType eType)
	{ return m_xAsyncLockBytes->LockRegion(nPos, nCount, eType); }

	virtual ErrCode UnlockRegion(ULONG nPos, ULONG nCount, LockType eType)
	{ return m_xAsyncLockBytes->UnlockRegion(nPos, nCount, eType); }

	virtual ErrCode Stat(SvLockBytesStat * pStat, SvLockBytesStatFlag eFlag)
		const
	{ return m_xAsyncLockBytes->Stat(pStat, eFlag); }

	virtual ErrCode FillAppend(const void * pBuffer, ULONG nCount,
							   ULONG * pWritten)
	{ return m_xAsyncLockBytes->FillAppend(pBuffer, nCount, pWritten); }

	virtual ULONG Tell() const { return m_xAsyncLockBytes->Tell(); }

	virtual ULONG Seek(ULONG nPos)
	{ return m_xAsyncLockBytes->Seek(nPos); }

	virtual void Terminate() { m_xAsyncLockBytes->Terminate(); }
};

inline SvSyncLockBytes::SvSyncLockBytes(SvAsyncLockBytes *
										 pTheAsyncLockBytes):
	m_xAsyncLockBytes(pTheAsyncLockBytes)
{
	DBG_ASSERT(m_xAsyncLockBytes.Is(),
			   "SvSyncLockBytes::SvSyncLockBytes(): Null");
}

SV_DECL_IMPL_REF(SvSyncLockBytes);
}

#endif
