--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/inc/MPEngContactListTransactionObserver2.h	Thu Dec 17 08:41:52 2009 +0200
@@ -0,0 +1,123 @@
+/*
+* 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:  Observer interface to listen contact list transaction completion.
+*
+*/
+
+#ifndef __MPENGCONTACTLISTTRANSACTIONOBSERVER2_H
+#define __MPENGCONTACTLISTTRANSACTIONOBSERVER2_H
+
+//  INCLUDES
+#include <E32Std.h>
+
+
+// FORWARD DECLARATIONS
+class CPEngContactListTransaction2;
+class MPEngTransactionStatus2;
+
+
+
+// CLASS DECLARATION
+
+/**
+ * Observer interface to receive presence contact list
+ * transaction completion events.
+ *
+ * @since 3.0
+ */
+class MPEngContactListTransactionObserver2
+    {
+    public: //Observer methods
+
+
+        /**
+         * Transaction complete handler.
+         *
+         * Called by CPEngContactListTransaction2 to handle contact list
+         * transaction complete. If this method leaves, error code is
+         * reported back to HandleContactListTransactionError().
+         *
+         * @since 3.0
+         * @param aStatus Transaction status container holding result from
+         *        transaction. Container ownership remains on the notfier.
+         * @param aTransaction The transaction object where notification
+         *        is coming from. No ownership transferred.
+         * @param aTransactionOperation ID of the completed transaction.
+         *        Transaction operation IDs are listed in
+         *        PEngPresenceEngineConsts2.h TPEngTransactionOperation
+         *        enumeration. Client can use transaction ID to figure
+         *        out what operation completed.
+         */
+        virtual void HandleContactListTransactionCompleteL(
+            MPEngTransactionStatus2& aStatus,
+            CPEngContactListTransaction2& aTransaction,
+            TInt aTransactionOperation ) = 0;
+
+
+        /**
+         * Failure handler.
+         *
+         * Called to handle leave errors from
+         * HandleContactListTransactionCompleteL().
+         *
+         * @since 3.0
+         * @param aError The leave error from transaction complete handling.
+         * @param aTransaction The transaction object which event
+         *        handling failed.
+         * @param aTransactionOperation ID of the transaction operation.
+         *        which event handling failed. Transaction operation
+         *        IDs are listed in PEngPresenceEngineConsts2.h
+         *        TPEngTransactionOperation enumeration.
+         */
+        virtual void HandleContactListTransactionError(
+            TInt aError,
+            CPEngContactListTransaction2& aTransaction,
+            TInt aTransactionOperation ) = 0;
+
+
+
+    private: //Extensions
+
+        /**
+         * Reserved virtual table slots for future use.
+         * Do not implement this.
+         *
+         * @since 3.0
+         */
+        virtual TInt ContactListTransactionReserved() {
+            return KErrNotSupported;
+            }
+
+
+
+    protected:  //Destructor
+
+        /**
+         * Protected destructor.
+         * Observers can't be destroyed via this interface.
+         */
+        virtual ~MPEngContactListTransactionObserver2() { }
+
+    };
+
+
+
+#endif //__MPENGCONTACTLISTTRANSACTIONOBSERVER2_H
+
+
+//End of file
+
+
+
+