diff -r 000000000000 -r ba25891c3a9e iaupdate/IAD/engine/inc/iaupdatebasenode.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/iaupdate/IAD/engine/inc/iaupdatebasenode.h	Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,172 @@
+/*
+* Copyright (c) 2007-2008 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:   This file contains the header file of MIAUpdateBaseNode class 
+*
+*/
+
+
+
+#ifndef IA_UPDATE_BASE_NODE_H
+#define IA_UPDATE_BASE_NODE_H
+
+
+#include <e32cmn.h>
+
+class TIAUpdateVersion;
+
+
+/**
+ *
+ */
+class MIAUpdateBaseNode
+    {    
+    
+public:
+
+    /**
+     * Enumerates the importance of this node
+     **/
+    enum TImportance
+        {
+        ENormal,
+        ERecommended,
+        ECritical,
+        EMandatory,
+        EHidden
+        };
+
+
+    /**
+     * Together with Id, uniquely identifies the node metadata.
+     * @return const TDesC& Namespace
+     */ 
+    virtual const TDesC& MetaNamespace() const = 0;
+
+    /**
+     * Together with Namespace, uniquely identifies the node metadata.
+     * @return const TDesC& Id
+     */ 
+    virtual const TDesC& MetaId() const = 0;
+
+    /**
+     * @return const TUid& Uid of this node
+     **/
+    virtual const TUid& Uid() const = 0;
+        
+    /**
+     * @return const TDesC& The name of this node
+     **/
+    virtual const TDesC& Name() const = 0;
+    
+    /**
+     * @return const TDesC& The description for this node.
+     */
+    virtual const TDesC& Description() const = 0;
+
+    /** 
+     * @return TInt The size of the content in bytes.
+     * @exception Leaves with system wide error code if 
+     * the content size could not be calculated.
+     */
+    virtual TInt ContentSizeL() const = 0;
+
+    /**
+     * @return const TIAUpdateVersion& Specific version information 
+     * of this node.
+     **/
+    virtual const TIAUpdateVersion& Version() const = 0;
+    
+    /**
+     * @return TImportance the importance of this node
+     **/
+    virtual TImportance Importance() const = 0;
+    
+    virtual void SetImportance( TImportance aImportance ) = 0;
+    
+    /**
+     * @return const TDesC& the search criteria of the node content.
+     * This is mainly used for plug-ins to recognize if the
+     * content corresponds the search of some user application.
+     **/
+    virtual const TDesC& SearchCriteria() const = 0;
+    
+    /**
+     * @return TBool ETrue if reboot is needed after install 
+     */
+    virtual TBool RebootAfterInstall() const = 0;
+
+    /**
+     * @return TBool ETrue if the node should be hidden in the UI. 
+     * EFalse if the node can be shown.
+     */
+    virtual TBool Hidden() const = 0;
+
+    /**
+     * @param aSelected ETrue if the node is selected. Else EFalse.
+     **/
+    virtual void SetSelected( TBool aSelected ) = 0;
+
+    /**
+     * @return TBool ETrue if the node is selected. Else EFalse.
+     **/
+    virtual TBool IsSelected() const = 0;
+
+    /**
+     * @return TInt Error code of the last operation whose information 
+     * has been set into the purchase history.
+     * @exception Leaves with system wide error code
+     */
+    virtual TInt LastUpdateErrorCodeL() const = 0;
+
+    /**
+     * Sets the cancel information into NCD Purchase history.
+     * Usually this function can be used when the update flow has been finished 
+     * before this node has started its update operation. Also, notice that 
+     * the node may have some old history, for example fail or success. But after this
+     * operation, the information will be the latest purchase history information.
+     *
+     * @param aForceVisibleInHistory ETrue means that even if node would be at the moment
+     * hidden, it will be forced as visible in purchase history. EFalse means that
+     * items are saved normally in history.
+     * @exception Leaves with system wide error code
+     */
+    virtual void SetIdleCancelToPurchaseHistoryL( 
+        TBool aForceVisibleInHistory ) = 0;
+    
+    /**
+     * Updates the puchase history from the given info.
+     * This function can be used to update the purchase history after self
+     * updater has been used.
+     *
+     * @notice For normal nodes this function should not be used because purchase history
+     * is updated automatically. Mainly this can be used for self update nodes and
+     * service packs.
+     *
+     * @param aErrorCode The error code of the install operation of this node.
+     * @param aForceVisibleInHistory ETrue means that even if node would be at the moment
+     * hidden, it will be forced as visible in purchase history. EFalse means that
+     * items are saved normally in history.
+     * @exception Leaves with system wide error code
+     */
+    virtual void SetInstallStatusToPurchaseHistoryL( 
+        TInt aErrorCode, TBool aForceVisibleInHistory ) = 0;
+
+    
+protected:
+
+    virtual ~MIAUpdateBaseNode() { }
+        
+    };
+
+#endif  //  IA_UPDATE_BASE_NODE_H