--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/serviceproviders/sapi_contacts_vpbk/contactservice/inc/contactsynccallback.h	Fri Jul 03 15:51:24 2009 +0100
@@ -0,0 +1,85 @@
+/*
+* 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 the License "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:  callback class implemented for synchronous api's.
+*
+*/
+
+
+#ifndef C_CONTACTSYNCCALLBACK_H
+#define C_CONTACTSYNCCALLBACK_H
+
+#include <e32std.h>
+#include "contactcallback.h"
+/**
+ *class CContactSyncCallback
+ *class to implement the callback class which is needed in cases of synchronous implementation of the api's.
+ */
+ 
+class CContactSyncCallback: public CBase ,public MContactCallback
+    {
+     public:
+         /**
+          *Default constructor.
+          */
+         CContactSyncCallback();
+          /**
+           *Destructor.
+           */
+         ~CContactSyncCallback();
+         /**
+          *Getter method to get a pointer to the iterator does a shallow copy.
+          *@return value CContactIter*, an iterator class pointer.
+          */
+         CContactIter* GetIter();
+         /**
+          *Getter method to get error code.
+          *@return value TInt, integer error code KErrNone if no error
+          *occured else can be any system wide error code.
+          */
+         TInt GetErrorCode();
+         /**
+          *setter method for the wait shceduler shallow copy owned by core class.
+          *@return void.
+          */
+         void SetWaitScheduler(CActiveSchedulerWait *aWaitScheduler);         
+         
+         /**
+          *virtual method inherited from the MContactCallback interface class
+          *called by the core class if any event occurs in the asynchronous call.
+          *@param aError error code.
+          *@param aTransId trasaction Id of the asychronous call.
+          *@return void.
+          */
+         virtual void HandleReturnValue(TOperationEvent aEvent, const TInt& aError, TInt aTransId );
+         /**
+          *virtual method inherited from the MContactCallback interface class
+          *called by the core class if any  asynchronous call completes successfully .
+          *@param aError error code.
+          *@param aIter pointer to the CContactIter class.
+          *@param aTransId trasaction Id of the asychronous call.
+          *@return void.
+          */
+         virtual void HandleReturnIter( const TInt& aError, CContactIter* aIter, TInt aTransId );
+     private:
+        //Pointer to the CContactIter class.
+        CContactIter* iIter;
+        //Integer error code.
+        TInt iError;
+        //Scheduler pointer owned by core class used by this class
+        CActiveSchedulerWait *iWaitScheduler;
+    public:
+        TInt iErrKey;    
+    };
+
+#endif    //C_CONTACTSYNCCALLBACK_H
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