--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ncdengine/engine/inc/catalogsbaseimpl.h	Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,80 @@
+/*
+* Copyright (c) 2006 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:   Contains MCatalogsBase implementation base class definition
+*
+*/
+
+
+#ifndef C_CATALOGS_BASE_IMPL_H
+#define C_CATALOGS_BASE_IMPL_H
+
+#include <e32cmn.h>
+#include <e32base.h>
+#include "catalogsbase.h"
+#include "catalogsdebug.h"
+
+template< class CBaseClass >
+class CCatalogsMetaBase : public CBaseClass
+    {
+    };
+
+template<>
+class CCatalogsMetaBase< CActive > : public CActive
+    {
+public:
+
+    CCatalogsMetaBase() :
+      CActive( EPriorityStandard )
+        {}
+    };
+
+template< class CBaseClass >
+class CCatalogsBase : public CCatalogsMetaBase< CBaseClass >, public virtual MCatalogsBase
+    {
+public:
+    CCatalogsBase()
+        : iRefCount( 0 )
+        {
+        }
+
+    TInt AddRef() const
+        { 
+        DLTRACEIN(("this: %X, base-ptr: %X, refcount: %d", this, 
+            static_cast<const MCatalogsBase*>( this ), iRefCount+1));
+        return ++iRefCount;
+        }
+
+    TInt Release() const
+        { 
+        DLTRACEIN(("this: %X, base-ptr: %X", this, 
+            static_cast<const MCatalogsBase*>( this )));
+
+        TInt result = --iRefCount; 
+        DLTRACE(("refCount = %d", result));
+        if( result == 0 ) 
+            {
+            DLTRACE(("deleting this: %X, base-ptr: %X", this, 
+                static_cast<const MCatalogsBase*>( this )));
+            delete this; 
+            }
+        return result;
+        }
+
+protected:
+    
+    mutable TInt iRefCount;
+    
+    };
+
+#endif // C_CATALOGS_BASE_IMPL_H