imservices/instantmessagingcache/imcacheserver/inc/mimcachemessageheader.h
author hgs
Wed, 03 Nov 2010 09:32:20 +0530
changeset 51 61fad867f68e
permissions -rw-r--r--
201041
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/*
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* Copyright (c) 2008 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:   base call of header class
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*
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*/
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#ifndef MIMCACHEMESSAGEHEADER_H
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#define MIMCACHEMESSAGEHEADER_H
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//INCLUDES
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#include <e32std.h>
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#include <e32base.h>
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//FORWARD DECLARATIONS
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class CIMCacheMessageBase;
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// CLASS DECLARATION
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/**
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 *  Interface for header information of history file
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 *  @lib imcacheserver.exe
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 *  @since 5.0
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 */
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class MIMCacheMessageHeader
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    {
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	public:
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		/**
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		 * Destructor.
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		 */
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		virtual ~MIMCacheMessageHeader() {};
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    public: // Interface
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		/**
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		 *	service id
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		 *	@return a service id
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		 */
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		 virtual TInt ServiceId() const = 0;
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		/**
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		 *	user id of recipient 
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		 *	@return recipient user id
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		 */
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		virtual const TDesC& BuddyId() const = 0;
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		/**
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		 *	return total message count
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		 */
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		virtual TInt MessageCount() const = 0 ;
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		/**
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		 * get message at given index 
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		 * @param aIndex index
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		 */
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		virtual CIMCacheMessageBase* GetMessage(TInt aIndex )  = 0;
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		/**
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		 * append message
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		 * @param aMessge message to append
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		 */
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        virtual void AppendMessageL(CIMCacheMessageBase* aMessge)  = 0 ; 
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     	/**
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		 * UnreadMessageCount 
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		 * @return unread message count
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		 */
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        virtual TInt UnreadMessageCount() const = 0 ;  
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         /**
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        * check wheather chat started or not
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        * @return ETrue started
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        */
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        virtual TBool IsChatStarted() = 0 ;
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        /**
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        * set chat started 
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        * @param aStarted, a boolean value to set
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         */
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        virtual void SetChatStarted(TBool aStarted ) = 0 ;
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      	/**
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        * mark all message read
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        */
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        virtual void MarkAllRead() = 0 ;
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	    };
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#endif      // MIMCACHEMESSAGEHEADER_H
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// End of File