--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/multimediacommsengine/mmceshared/src/mcecomserializationcontext.cpp	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,125 @@
+/*
+* Copyright (c) 2005 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:    
+*
+*/
+
+
+
+
+#include "mcecomserializationcontext.h"
+#include "mcecommediasink.h"
+#include "mcecommediasource.h"
+
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+
+// -----------------------------------------------------------------------------
+// MMceComSerializationContext::MMceComSerializationContext
+// -----------------------------------------------------------------------------
+//
+MMceComSerializationContext::MMceComSerializationContext( RReadStream& aReadStream )
+    : iSinkCache( RPointerArray<CBase>( KMceArrayGranularity ) ),
+      iSourceCache( RPointerArray<CBase>( KMceArrayGranularity ) ),
+      iReadStream( &aReadStream ),
+      iWriteStream( NULL )
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// MMceComSerializationContext::MMceComSerializationContext
+// -----------------------------------------------------------------------------
+//
+MMceComSerializationContext::MMceComSerializationContext( RWriteStream& aWriteStream )
+    : iSinkCache( RPointerArray<CBase>( KMceArrayGranularity ) ),
+      iSourceCache( RPointerArray<CBase>( KMceArrayGranularity ) ),
+      iReadStream( NULL ),
+      iWriteStream( &aWriteStream )
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// MMceComSerializationContext::Close
+// -----------------------------------------------------------------------------
+//
+void MMceComSerializationContext::Close()
+    {
+    iSinkCache.Reset();
+    iSourceCache.Reset();
+    iSinkCache.Close();
+    iSourceCache.Close();
+    }
+    
+// -----------------------------------------------------------------------------
+// MMceComSerializationContext::IsCached
+// -----------------------------------------------------------------------------
+//
+TBool MMceComSerializationContext::IsCached( CBase* aItem )
+    {
+    TBool found = EFalse;
+    TInt index = 0;
+    
+    while( !found && index < iSinkCache.Count() )
+        {
+        found = iSinkCache[ index++ ] == aItem;
+        }
+
+    index = 0;        
+    while( !found && index < iSourceCache.Count() )
+        {
+        found = iSourceCache[ index++ ] == aItem;
+        }
+    
+    return found;
+    
+    }
+    
+// -----------------------------------------------------------------------------
+// MMceComSerializationContext::ReadStream
+// -----------------------------------------------------------------------------
+//
+RReadStream& MMceComSerializationContext::ReadStream()
+    {
+    return *iReadStream;
+    }
+
+// -----------------------------------------------------------------------------
+// MMceComSerializationContext::WriteStream
+// -----------------------------------------------------------------------------
+//
+RWriteStream& MMceComSerializationContext::WriteStream()
+    {
+    return *iWriteStream;
+    }
+
+
+// -----------------------------------------------------------------------------
+// MMceComSerializationContext::SinkCache
+// -----------------------------------------------------------------------------
+//
+RPointerArray<CBase>& MMceComSerializationContext::SinkCache()
+    {
+    return iSinkCache;
+    }
+
+// -----------------------------------------------------------------------------
+// MMceComSerializationContext::SourceCache
+// -----------------------------------------------------------------------------
+//
+RPointerArray<CBase>& MMceComSerializationContext::SourceCache()
+    {
+    return iSourceCache;
+    }
+