--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/epoc32/include/app/MVPbkSingleContactLinkOperationObserver.h	Wed Mar 31 12:33:34 2010 +0100
@@ -0,0 +1,96 @@
+/*
+* Copyright (c) 2004-2007 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:  An observer interface for asynchronous single contact link
+*                operations
+*
+*/
+
+
+#ifndef MVPBKSINGLECONTACTLINKOPERATIONOBSERVER_H
+#define MVPBKSINGLECONTACTLINKOPERATIONOBSERVER_H
+
+// INCLUDES
+#include <e32cmn.h>
+
+// FORWARD DECLARATIONS
+class MVPbkContactOperationBase;
+class MVPbkContactLink;
+
+// CLASS DECLARATIONS
+
+/**
+ * An observer interface for asynchronous single contact link operations.
+ * 
+ * The interface is used in asynchronous operations that are related
+ * to one contact link.
+ */
+class MVPbkSingleContactLinkOperationObserver
+    {
+    public:  // Interface
+        /**
+         * Called when the operation is completed.
+         *
+         * A client has the operation as a member and it can delete the operation
+         * instance in this function call. If the implementation of the store
+         * calls the function from the operation instance it must not handle
+         * any member data after calling it.
+         *
+         * @param aOperation The completed operation.
+         * @param aLink    The contact link returned by the operation.
+         *                 A client must take the ownership immediately.
+         *
+         *                  NOTE:
+         *                  If you use CleanupStack for MVPbkContactLink
+         *                  Use CleanupDeletePushL from e32base.h.
+         *                  (Do Not Use CleanupStack::PushL(TAny*) because
+         *                  then the virtual destructor of the M-class
+         *                  won't be called when the object is deleted).
+         */
+        virtual void VPbkSingleContactLinkOperationComplete(
+                MVPbkContactOperationBase& aOperation,
+                MVPbkContactLink* aLink ) = 0;
+
+        /**
+         * Called if the operation fails.
+         *
+         * A client has the operation as a member and it can delete the operation
+         * instance in this function call. If the implementation of the store
+         * calls the function from the operation instance it must not handle
+         * any member data after calling it.
+         *
+         * @param aOperation The failed operation.
+         * @param aError An error code of the failure.
+         */
+        virtual void VPbkSingleContactLinkOperationFailed(
+                MVPbkContactOperationBase& aOperation, 
+                TInt aError ) = 0;
+
+        /**
+         * Returns an extension point for this interface or NULL.
+         *
+         * @param aExtensionUid no extensions defined currently.
+         * @return An extension point for this interface or NULL.
+         */
+        virtual TAny* SingleContactLinkOperationObserverExtension( 
+                TUid /*aExtensionUid*/ ) { return NULL; }
+
+    protected:  // Destructor
+        virtual ~MVPbkSingleContactLinkOperationObserver() { }
+
+    };
+
+#endif // MVPBKSINGLECONTACTLINKOPERATIONOBSERVER_H
+
+//End of file
+