diff -r 000000000000 -r ba25891c3a9e ncdengine/provider/client/inc/ncdnodeupgradeproxy.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ncdengine/provider/client/inc/ncdnodeupgradeproxy.h	Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,203 @@
+/*
+* Copyright (c) 2006-2008 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 CNcdNodeUpgradeProxy class
+*
+*/
+
+
+#ifndef C_NCD_NODE_UPGRADE_PROXY_H
+#define C_NCD_NODE_UPGRADE_PROXY_H
+
+
+// For the streams
+#include <s32mem.h>
+// For array
+#include <e32cmn.h>
+
+#include "ncdinterfacebaseproxy.h"
+#include "ncdnodeupgrade.h"
+
+class CNcdNodeMetadataProxy;
+class CNcdNodeManagerProxy;
+class MNcdNodeDependencyInfo;
+class CNcdAttributes;
+
+/**
+ *  This class implements the functionality for the
+ *  MNcdNodeUpgrade interfaces. The interface is provided for
+ *  API users.
+ *
+ *  @since S60 v3.2
+ */
+class CNcdNodeUpgradeProxy : public CNcdInterfaceBaseProxy, 
+                             public MNcdNodeUpgrade
+    {
+
+public:
+
+    /**
+     * @param aSession The session between the client proxy and the
+     * corresponding server object.
+     * @param aHandle The handle which identifies the server object
+     * that this proxy uses.
+     * @param aMetadata Owns and uses the information of this proxy.
+     * The metadata also keeps track of the refence counts of its objects. 
+     * And handles the deletion of these objects when the total reference 
+     * count reaches zero.
+     * @return CNcdNodeUpgradeProxy* Pointer to the created object 
+     * of this class.
+     */
+    static CNcdNodeUpgradeProxy* NewL(
+        MCatalogsClientServer& aSession,
+        TInt aHandle,
+        CNcdNodeMetadataProxy& aMetadata );
+
+    /**
+     * @param aSession The session between the client proxy and the
+     * corresponding server object.
+     * @param aHandle The handle which identifies the server object
+     * that this proxy uses.
+     * @param aMetadata Owns and uses the information of this proxy.
+     * The metadata also keeps track of the refence counts of its objects. 
+     * And handles the deletion of these objects when the total reference 
+     * count reaches zero.
+     * @return CNcdNodeUpgradeProxy* Pointer to the created object 
+     * of this class.
+     */
+    static CNcdNodeUpgradeProxy* NewLC(
+        MCatalogsClientServer& aSession, 
+        TInt aHandle,
+        CNcdNodeMetadataProxy& aMetadata );
+
+
+    /**
+     * Destructor.
+     * The destructor is set public. So, the node that owns the Upgrade may
+     * delete it directly when the reference count of the node reaches zero
+     * and the destructor of the node is called.
+     */
+    virtual ~CNcdNodeUpgradeProxy();
+
+
+    /**
+     * @return CNcdNodeManagerProxy& Node manager can be used to create nodes.
+     */
+    CNcdNodeManagerProxy& NodeManager() const;
+     
+
+    /**
+     * Gets the data for descriptors from the server side. This function is
+     * called to update proxy data. The function uses the protected virtual
+     * internalize functions. So, the child classes may provide their own
+     * implementations for internalizations of certain metadata.
+     */
+    void InternalizeL();
+    
+
+public: // MNcdNodeUpgrade
+
+    /**
+     * @see MNcdNodeUpgrade::Name
+     */
+    virtual const TDesC& Name() const;
+
+    /**
+     * @see MNcdNodeUpgrade::Uid
+     */
+    virtual TUid Uid() const;
+
+    /**
+     * @see MNcdNodeUpgrade::Version
+     */
+    virtual const TDesC& Version() const;
+
+    /**
+     * @see MNcdNodeUpgrade::UpgradeableNodeL
+     */ 
+    virtual MNcdNode* UpgradeableNodeL() const;
+
+
+    /**
+     * @see MNcdNodeUpgrade::UpgradeType
+     */ 
+    virtual MNcdNodeUpgrade::TUpgradeType UpgradeType() const;
+
+protected:
+
+    /**
+     * Constructor
+     *
+     * @param aSession The session between the client proxy and the
+     * corresponding server object.
+     * @param aHandle The handle which identifies the server object
+     * that this proxy uses.
+     * @param aMetadata Owns and uses the information of this proxy.
+     * The metadata also keeps track of the refence counts of its objects. 
+     * And handles the deletion of these objects when the total reference 
+     * count reaches zero.
+     * @return CNcdNodeUpgradeProxy* Pointer to the created object 
+     * of this class.
+     */
+    CNcdNodeUpgradeProxy(
+        MCatalogsClientServer& aSession,
+        TInt aHandle,
+        CNcdNodeMetadataProxy& aMetadata );
+
+    /**
+     * ConstructL
+     */
+    virtual void ConstructL();
+    
+    
+    /**
+     * @return RPointerArray Contains the info about the nodes
+     * or contents that this node may upgrade.
+     */
+    const RPointerArray<MNcdNodeDependencyInfo>& UpgradeTargets() const;
+    
+
+    // These functions are used to update the data of this class object
+
+    /**
+     * @param aStream This stream will contain all the data content for
+     * this class object. The stream is gotten from the server side. The
+     * memeber variables will be updated according to the data from
+     * the stream. 
+     */
+    virtual void InternalizeDataL( RReadStream& aStream );
+
+
+private:
+
+    // Prevent if not implemented
+    CNcdNodeUpgradeProxy( const CNcdNodeUpgradeProxy& aObject );
+    CNcdNodeUpgradeProxy& operator =( const CNcdNodeUpgradeProxy& aObject );
+
+    // Internalizes the upgrade target array from given stream.
+    void InternalizeUpgradeArrayL( RReadStream& aStream );  
+    
+    // Refreshes iUpgradeType
+    void RefreshUpgradeType();
+    
+private: // data
+
+    CNcdNodeManagerProxy& iNodeManager;
+
+    RPointerArray<MNcdNodeDependencyInfo> iUpgradeTargets;
+    TUpgradeType iUpgradeType;    
+    CNcdAttributes* iUpgradeData;
+    };
+
+
+#endif // C_NCD_NODE_UPGRADE_PROXY_H