--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/contacts_plat/predictivesearch_client_api/inc/MPsResultsObserver.h	Wed Sep 01 12:29:52 2010 +0100
@@ -0,0 +1,74 @@
+/*
+* Copyright (c) 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:  The observer interface which handles the predictive search
+*                results from the server.
+*
+*/
+
+
+#ifndef __M_PS_RESULTS_OBSERVER__ 
+#define __M_PS_RESULTS_OBSERVER__
+
+#include <CPcsDefs.h>
+#include <CPsPattern.h>
+
+// FORWARD DECLARATION
+class CPsClientData;
+
+// CLASS DECLARATION
+/**
+*  MPsResultsObserver
+*  Mixin class.
+*  Observer which handles updates from the predictive search server.
+*/
+class MPsResultsObserver
+{
+    public:
+
+        /**
+        * HandlePsResultsUpdateL.
+        * Handle updates from the server.
+        * 
+        * @param searchResults Search results returned from the server.
+        * @param searchSeqs    List of matching character sequences.
+        */
+        virtual void HandlePsResultsUpdate(RPointerArray<CPsClientData>& aSearchResults,
+                                           RPointerArray<CPsPattern>& aSearchSeqs) = 0;
+
+        /**
+        * HandlePsErrorL.
+        * Handle errors from the server.
+        * 
+        * @param aErrorCode Search errors returned from the server.
+        */
+        virtual void HandlePsError(TInt aErrorCode) = 0;
+
+        /**
+        * CachingStatus.
+        * Gets called when caching is completed, or cache has been modified after
+        * the initial caching. For update events, it's not guaranteed that function
+        * gets called separately for each modification in case there are several same kind of
+        * modifications happening in rapid sequence.
+        * Observers need to implement this function accordingly
+        * to take action after cache completion or update.
+        * @param aStatus - caching status
+        * @param aError - Any error that occurred while caching. 
+        *                 KErrNone if no error, else the error code
+        */
+        virtual void CachingStatus(TCachingStatus& aStatus, TInt& aError) = 0;
+};
+
+#endif // __M_PS_RESULTS_OBSERVER__
+
+// End of File