--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/PECengine/PresenceManager2/SrcNWSessionSlot/CPEngNWSessionOperation.h	Thu Dec 17 08:41:52 2009 +0200
@@ -0,0 +1,154 @@
+/*
+* Copyright (c) 2004 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:  NWSessionOperation base class.
+*
+*/
+
+#ifndef CPENGNWSESSIONOPERATION_H
+#define CPENGNWSESSIONOPERATION_H
+
+//  INCLUDES
+#include <E32Base.h>
+
+
+
+// FORWARD DECLARATIONS
+class MPEngNWSessionOperationOwner;
+class CPEngNWSessionSlot2;
+class MPEngNWSessionOperationObserver2;
+class CPEngNWSessionSlotID2;
+class CPEngTransactionStatus;
+class CPEngNWSessionProxy;
+
+
+
+// CLASS DECLARATION
+
+/**
+ * NWSessionOperation base class.
+ *
+ * Provides:
+ * - adding to scheduler
+ * - protection against nested canceling
+ * - operation owning services
+ *
+ *  @lib
+ *  @since 3.0
+ */
+NONSHARABLE_CLASS( CPEngNWSessionOperation ) : public CActive
+    {
+public:  // destructor
+
+    /**
+     * Destructor.
+     */
+    virtual ~CPEngNWSessionOperation();
+
+protected: //Constructor
+
+    /**
+     * Constructor.
+     */
+    CPEngNWSessionOperation( TInt aPriority,
+                             CPEngNWSessionProxy& aNWSessionProxy,
+                             CPEngNWSessionSlot2& aInterface,
+                             MPEngNWSessionOperationObserver2& aObserver );
+
+    /**
+     * Symbian OS base class constructor.
+     */
+    void BaseConstructL();
+
+
+public:  // New external services
+
+    /**
+     * Sets the operation owner.
+     * Owner can be set just once.
+     */
+    void SetOwner( MPEngNWSessionOperationOwner& aOperationOwner );
+
+    /**
+     * Cancels the operation if operation active
+     * and not yet cancelled.
+     *
+     * Deletes also the operation object.
+     */
+    void CancelOpD();
+
+
+protected:  // Services for derived implementations
+
+
+    /**
+     *
+     */
+    void HandleOperationIssued( TInt aError, TInt aNWSessionSlotOp );
+
+    /**
+     *
+     */
+    void NotifyObserverFromCancel();
+
+
+
+
+protected:  // Template methods for derived implementations
+
+    /**
+     * Notifies derived implementation from
+     * operation complete or failure with error.
+     */
+    virtual void DoHandleOpCompleted( TInt aError ) = 0;
+
+
+
+
+private:  // Implementation
+
+    void RunL();
+    TInt RunError( TInt aError );
+    //DoCancel() is implemented by the derived classes
+
+
+protected:  // Data
+
+    //REF:
+    CPEngNWSessionProxy&    iNWSessionProxy;
+
+
+
+private:  // Data
+
+    //REF: The implemented interface
+    CPEngNWSessionSlot2&     iInterface;
+
+    //REF: The observer
+    MPEngNWSessionOperationObserver2&  iObserver;
+
+    //OWN: Is cancel call running?
+    TBool   iCancelling;
+
+    //REF: Operation owner
+    MPEngNWSessionOperationOwner*   iOperationOwner;
+
+    //OWN: Transaction status container for result
+    CPEngTransactionStatus*     iTransactionStatus;
+
+    //OWN: Session Slot operation identifier
+    TInt    iNWSessionSlotOp;
+    };
+
+
+#endif  //CPENGNWSESSIONOPERATION_H