diff -r 000000000000 -r ba25891c3a9e iaupdate/IAD/engine/controller/inc/iaupdatecontentoperation.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/iaupdate/IAD/engine/controller/inc/iaupdatecontentoperation.h	Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,146 @@
+/*
+* 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:   CIAUpdateContentOperation 
+*
+*/
+
+
+#ifndef IA_UPDATE_CONTENT_OPERATION_H
+#define IA_UPDATE_CONTENT_OPERATION_H
+
+
+#include <e32base.h>
+#include "iaupdateoperation.h"
+
+class CIAUpdateBaseNode;
+class MIAUpdateContentOperationObserver;
+
+
+/**
+ * CIAUpdateContentOperation is an abstract base class
+ * for node content operations.
+ */
+class CIAUpdateContentOperation : public CBase,
+                                  public MIAUpdateOperation
+    {
+
+public:
+
+    /**
+     * Destructor
+     */
+    virtual ~CIAUpdateContentOperation();
+
+
+public: // MIAUpdateOperation 
+
+    /**
+     * @see MIAUpdateOperation::StartOperationL
+     *
+     * @note Notice, return value is always EFalse 
+     * because this implementation does only checkings but
+     * does not start operation. Also, iInUse flag is left
+     * to EFalse. So, it is child classes resonsibility set the
+     * correct iInUse flag if operation is started. 
+     *
+     * @return TBool EFalse always.
+     */
+    virtual TBool StartOperationL();
+ 
+    /**
+     * @see MIAUpdateOperation::StartOperationL
+     */
+    virtual void CancelOperation() = 0;
+
+
+protected:
+
+    /**
+     * Constructor
+     *
+     * @param aNode Node of this operation.
+     * @param aObserver The observer whose call back will be called
+     * when operation is finished.     
+     */ 
+    CIAUpdateContentOperation( CIAUpdateBaseNode& aNode,
+                               MIAUpdateContentOperationObserver& aObserver );
+
+    /**
+     * 2nd. phase constructor
+     */ 
+    virtual void ConstructL();
+
+
+    /**
+     * Called when operation completes.
+     *
+     * @param aError Error code
+     */
+    void OperationComplete( TInt aError );
+    
+
+    /**
+     * Called when operation progresses.
+     */
+    void OperationProgress( TInt aProgress, TInt aMaxProgress );
+    
+
+    /**
+     * @return CIAUpdateBaseNode& Node whose operation is going on.
+     */
+    CIAUpdateBaseNode& Node() const;
+
+
+    /**
+     * @return MIAUpdateContentOperationObserver& Operation observer.
+     */    
+    MIAUpdateContentOperationObserver& Observer() const; 
+
+
+    /**
+     * @return TBool ETrue if the operation is going on. Else EFalse. 
+     */
+    TBool OperationInUse() const;
+
+
+    /**
+     * @param aInUse ETrue if the operation is going on. Else EFalse. 
+     */
+    void SetOperationInUse( TBool aInUse );
+
+
+private:
+    
+    // Prevent these if not implemented
+    CIAUpdateContentOperation( 
+        const CIAUpdateContentOperation& aObject );
+    CIAUpdateContentOperation& operator =( 
+        const CIAUpdateContentOperation& aObject );
+
+    
+private: // data
+
+    // The node that is given when the operation is created.
+    CIAUpdateBaseNode& iNode;
+
+    // The observer that is given when the operation is created.
+    MIAUpdateContentOperationObserver& iObserver;
+
+    // This flag informs if the operation is going on.
+    TBool iInUse;
+
+    };
+
+#endif // IA_UPDATE_CONTENT_OPERATION_H
+