--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ncdengine/engine/transport/inc/catalogstransportoperation.h	Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,111 @@
+/*
+* 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:  
+*
+*/
+	
+
+#ifndef M_CATALOGSTRANSPORTOPERATION_H
+#define M_CATALOGSTRANSPORTOPERATION_H
+
+
+/**
+* Operation progress information
+*/
+class TCatalogsTransportProgress	
+    {
+    public:
+        /**
+        * Constructor
+        */
+        TCatalogsTransportProgress( TInt aState, TInt32 aProgress, 
+            TInt32 aMaxProgress ) :
+            iState( aState ), 
+            iProgress( aProgress ), 
+            iMaxProgress( aMaxProgress )
+            {			
+            }
+	
+    public:
+        TUint iState;         // State of the operation
+        TInt32 iProgress;     // Progress of the current state
+        TInt32 iMaxProgress;  // Maximum progress value for the current state
+    };
+
+
+/**
+* Transport Operation interface	
+*/
+class MCatalogsTransportOperation //: public MCatalogsBase	
+    {        
+    public:
+
+        /**
+         * AddRef
+         * Increases the reference counter by given value.
+         *
+         * @param aNum is the number by which the reference count is increased.
+         * @return TInt the new reference count value.
+         */
+        virtual TInt AddRef() = 0;		
+        
+        /**
+         * Release
+         * Releases a reference. Deletes the object if the reference count
+         * reaches 0. 
+         * Notice that destructor is defined as protected. So, the object of
+         * this interface can be deleted using this function and only after 
+         * reference count is zero.
+         *
+         * @return Reference count after release
+         */
+        virtual TInt Release() = 0;
+        
+        /**
+         * Returns the number of registered references to the object 
+         * that implements the MCatalogBase interfaces.
+         *
+         * @return TInt Reference count     
+         */
+        virtual TInt RefCount() const = 0;
+
+
+        /**
+        * Cancel operation
+        *
+        * @return Error code
+        */
+        virtual TInt Cancel() = 0;
+
+
+        /**
+        * Progress information getter
+        *
+        * @return Progress information
+        */
+        virtual TCatalogsTransportProgress Progress() const = 0;
+        
+    protected:
+    
+        /**
+        * Protected destructor
+        */
+        virtual ~MCatalogsTransportOperation() 
+            {
+            }
+	
+	};
+	
+	
+#endif //  M_CATALOGSTRANSPORTOPERATION_H