cbs/CbsServer/ServerInc/MCbsDbTopicListObserver.H
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 31 Aug 2010 15:45:17 +0300
branchRCL_3
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/*
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* Copyright (c) 2003 Nokia Corporation and/or its subsidiary(-ies). 
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  Virtual class defining an interface for an observer which gets
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*                notified when the topic list is changed. 
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*
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*/
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#ifndef     MCBSDBTOPICLISTOBSERVER_H
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#define     MCBSDBTOPICLISTOBSERVER_H
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//  INCLUDES
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#include <e32base.h>
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#include "CbsCommon.h"
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//  CLASS DECLARATION 
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/**
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*   This class defines the interface for topic list observers.
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*/
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class MCbsDbTopicListObserver
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    {
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    public:        // New functions
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        /**
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        *   Indicates that the topic list has been initialized.
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        */
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        virtual void TopicListInitializedIndL() = 0;
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        /**
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        *   Indicates that a new topic has been added.
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        *
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        *   @param  aNumber         Number of the topic that has been added
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        */
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        virtual void TopicAddedIndL( const TCbsDbTopicNumber& aNumber ) = 0;
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        /**
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        *   Indicates that a topic has been deleted.
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        *
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        *   @param  aNumber         Number of the topic that was deleted.
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        */
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        virtual void TopicDeletedIndL( const TCbsDbTopicNumber& aNumber ) = 0;
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        /**
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        *   Indicates that a topic has been modified.
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        *
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        *   @param  aNumber         Number of the topic that has been modified.
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        */
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        virtual void TopicModifiedIndL( const TCbsDbTopicNumber& aNumber ) = 0;
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        /**
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        *   Indicates that a topic has received a new message.
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        *
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        *   @param  aNumber         Number of the topic that has received 
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        *                           a new message.
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        */
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        virtual void TopicNewMessageReceivedIndL( 
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            const TCbsDbMessageHandle& aNumber ) = 0;
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    };
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#endif      //  MCBSDBTOPICLISTOBSERVER_H   
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// End of File