diff -r 000000000000 -r ff3b6d0fd310 cbs/CbsServer/ClientInc/RCbsTopicCollection.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cbs/CbsServer/ClientInc/RCbsTopicCollection.h	Tue Feb 02 01:11:09 2010 +0200
@@ -0,0 +1,154 @@
+/*
+* Copyright (c) 2003 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:  This file contains the header file of the RCbsTopicCollection class.
+*                This is the client-side subsession which handles requests regarding
+*                topic identities stored on CBS Server.
+*
+*
+*/
+
+
+
+#ifndef     RCBSTOPICCOLLECTION_H
+#define     RCBSTOPICCOLLECTION_H
+
+//  INCLUDES
+
+#include <e32base.h>
+#include "CbsCommon.h"
+
+//  FORWARD DECLARATIONS
+class RCbs;
+
+//  CLASS DECLARATION 
+
+/**
+*   This represents the client-side subsession to retrieve information 
+*   from topic collections.
+*/
+class RCbsTopicCollection 
+        : public RSubSessionBase
+    {
+    public:     // New functions
+        /**
+        *   Constructor.
+        */
+        RCbsTopicCollection();
+
+        /**
+        *   Creates a subsession to the server.
+        *
+        *   Note that the method must be called before any other method 
+        *   can be used.
+        *
+        *   @param  aServer             The base session.
+        *   @return                     Error code.
+        */
+        TInt Open( RCbs& aServer );
+
+        /**
+        *   Closes the subsession.
+        *
+        *   @return                     Error code.
+        */
+        TInt Close();
+
+        /**
+        *   Returns the total amount of topic information the topic collection
+        *   contains.
+        *
+        *   @param  aCount              It will contain the amount.
+        */
+        void GetTopicCount( TInt& aCount );
+
+        /**
+        *   Returns a topic information structure.
+        *
+        *   @param  aIndex              It is index to the topic info.
+        *   @param  aInfo               It will contain the information.
+        *   @return                     Error code.
+        */
+        TInt GetTopicInfo( TInt aIndex, TCbsTopicInfo& aInfo );
+
+        /**
+        *   Notifies the client next time when topic collection changes.
+        *   
+        *   @param  aStatus             It will be changed when topic collection
+        *                               changes.
+        */
+        void NotifyOnChange( TRequestStatus& aStatus );
+
+        /**
+        *   Cancels the pending request to notify.
+        */
+        void NotifyOnChangeCancel();
+
+        /**
+        *   Resets the iterator. Must be called prior any call to HasNextTopic() 
+        *   or NextTopic()!
+        */
+        void Start();
+
+        /**
+        *   Returns ETrue, if there is a topic not accessed with NextTopic()
+        *   
+        *   @return     ETrue, if there is a topic. EFalse if the end of the
+        *               collection has been reached.
+        */
+        TBool HasNextTopic();                          
+
+        /**
+        *   Returns the next topic in the topic collection skipping all topics with 
+        *   a topic number matching a topic already listed in the current topic list.
+        *   This function will return KErrNotFound if the collection is tried to 
+        *   access beyond the end of the list. Otherwise the error code will be 
+        *   the same returned by GetTopicInfo().
+        *
+        *   @param aInfo        The topic information will be stored here.
+        *   @return             The error code. KErrNotFound if there are no topics
+        *                       left.
+        */
+        TInt NextTopic( TCbsTopicInfo& aInfo );
+
+    private:
+        
+        /**
+        *   Returns information whether the topic was in topic list.
+        *   
+        *   @param 	aIndex      Topic index
+        *   @param  aInList     Was the topic in the list
+        *   @return             Error code. KErrNotFound, if topic
+        *                       didn't exist.
+        */
+        TInt TopicInList( TInt aIndex, TBool& aInList );
+
+    private:// prohibited functions
+        // Prohibited copy constructor
+        RCbsTopicCollection( const RCbsTopicCollection& );
+
+        // Prohibited assignment operator
+        RCbsTopicCollection& operator=( const RCbsTopicCollection& );
+
+    private:    // Data
+        //Iterator is used to point to the next unlisted topic in topic collection. 
+        //Unlisted topic is a topic which is not listed in the current topic list but 
+        //is awailable in the topic collection
+        TInt iIterator;     
+    };
+
+#endif      //  RCBSTOPICCOLLECTION_H
+            
+// End of File
+
+