--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mtpdataproviders/mtpimagedp/mediasyncserver/src/cmediasyncdatawriter.cpp	Tue Feb 02 01:11:40 2010 +0200
@@ -0,0 +1,101 @@
+// Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+/**
+ @file
+ @internalTechnology
+*/
+
+#include <e32base.h> 
+
+#include "cmediasyncdatawriter.h"
+
+CMediaSyncDataWriter* CMediaSyncDataWriter::NewLC(const RChunk& aChunk)
+    {
+    CMediaSyncDataWriter* self = new(ELeave) CMediaSyncDataWriter();
+    CleanupStack::PushL(self);
+    self->ConstructL(aChunk);
+    return self;
+    }
+
+CMediaSyncDataWriter::~CMediaSyncDataWriter()
+    {
+    
+    }
+
+CMediaSyncDataWriter::CMediaSyncDataWriter()
+    {
+    
+    }
+
+void CMediaSyncDataWriter::ConstructL(const RChunk& aChunk)
+    {
+    TUint8* base = aChunk.Base();    
+    User::LeaveIfNull(base);
+    
+    iHeaderInfo = reinterpret_cast<TDataHeaderInfo*>(base);
+    iHeaderInfo->iCount = 0;
+    iWriteBase = base + sizeof(TDataHeaderInfo);
+    iMaxSize = aChunk.MaxSize() - sizeof(TDataHeaderInfo);    
+    iOffset = 0;
+    }
+
+TInt CMediaSyncDataWriter::FreeSpaceBytes()
+    {
+    return (iMaxSize - iOffset);
+    }
+
+inline void CMediaSyncDataWriter::CheckBufferCapacityL(TInt aReqSize)
+    {
+    if (aReqSize > (iMaxSize - iOffset))
+        {
+        User::Leave(KErrOverflow);
+        }
+    }
+
+void CMediaSyncDataWriter::AppendEntryL(TUint32 aObjectId, TUint8 aType, const TDesC& aUri)
+    {    
+    //copy object id       
+    CheckBufferCapacityL(sizeof(TUint32));
+    Mem::Copy((iWriteBase + iOffset), &aObjectId, sizeof(TUint32));
+    iOffset += sizeof(TUint32);
+    
+    //copy notification type
+    CheckBufferCapacityL(sizeof(TUint8));
+    Mem::Copy((iWriteBase + iOffset), &aType, sizeof(TUint8));
+    iOffset += sizeof(TUint8);
+    
+    //copy uri length
+    CheckBufferCapacityL(sizeof(TUint8));
+    TUint8 uriLen = aUri.Length();
+    Mem::Copy((iWriteBase + iOffset), &uriLen, sizeof(TUint8));
+    iOffset += sizeof(TUint8);
+    if (uriLen > 0)
+        {
+        //copy uri content
+        CheckBufferCapacityL(aUri.Size());
+        TPtr8 ptr(reinterpret_cast<TUint8*>(const_cast<TUint16*>(aUri.Ptr())), aUri.Size(), aUri.Size());
+        Mem::Copy((iWriteBase + iOffset), ptr.Ptr(), ptr.Size());
+        iOffset += ptr.Size();
+        }
+    
+    ++iHeaderInfo->iCount;
+    }
+
+    
+    
+
+
+