// Copyright (c) 2002-2009 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:

 //

 #ifndef __LOGCHNGE_H__

 #define __LOGCHNGE_H__

 #include <logwrap.h>

 // Classes referenced

 class TLogConfig;

 class CLogServRecentList;

 class CLogServRecentListManager;

 class MLogServDatabaseTransactionInterface;

 class CLogDuplicate;

 class CLogFilter;

 class RLogEventDbTable;

 /**

 This class provides functions for updating properties of particular event.

 The database record holding the event data will be updated.

 @see MLogServDatabaseTransactionInterface

 @see CLogServRecentList

 @see CLogDuplicate

 @see CLogEvent

 @internalComponent

 */

 class CLogChangeEvent : public CLogActive

 	{

 public:

 	static CLogChangeEvent* NewL(MLogServDatabaseTransactionInterface& aDatabase, TInt aPriority);

 	~CLogChangeEvent();

 	//

 public:

 	void StartL(const CLogEvent& aEvent, 

 	            const CLogServRecentList* aRecentList, 

 	            TRequestStatus& aStatus, 

 	            const RMessage2& aMessage);

 	//

 private:

 	CLogChangeEvent(MLogServDatabaseTransactionInterface& aDatabase, TInt aPriority);

 	void ConstructL();

 	//

 	void DoRunL();

 	void DoComplete(TInt& aStatus);

 	void ResetDuplicatesL();

 	void UpdateDuplicateEventsL();

 	void DoChangeEventL();

 	void DoChangeL(RLogEventDbTable& aTbl, TLogStringId aDirectionId, TLogStringId aStatusId);

 	//

 	enum TLogChangeState

 		{

 		ELogNone = 0,

 		ELogChangeEvent,

 		ELogPurgeRecent

 		};

 	//

 private:

 	MLogServDatabaseTransactionInterface& iDatabase;

 	CLogEvent* iEvent;

 	TLogChangeState iState;

 	const CLogServRecentList* iRecentList;

 	TInt iOldRecentList;

 	//

 	CLogDuplicate* iDuplicate;

 	CLogFilter* iDuplicateFilter;

 	//

 	const RMessage2* iMessage;

 	};

 //**********************************

 // CLogChangeConfig

 //**********************************

 class CLogChangeConfig : public CLogActive

 /**

 @internalComponent

 */

 	{

 public:

 	static CLogChangeConfig* NewL(MLogServDatabaseTransactionInterface& aDatabase, const CLogServRecentListManager& aRecentSetup, TInt aPriority);

 	~CLogChangeConfig();

 	//

 public:

 	void StartL(const TLogConfig& aConfig, TRequestStatus& aStatus);

 	//

 private:

 	CLogChangeConfig(MLogServDatabaseTransactionInterface& aDatabase, const CLogServRecentListManager& aRecentSetup, TInt aPriority);

 	//

 	void DoRunL();

 	void DoComplete(TInt& aStatus);

 	//

 	enum TLogChangeState

 		{

 		ELogNone,

 		ELogChange,

 		ELogPurgeRecent

 		};

 	//

 private:

 	MLogServDatabaseTransactionInterface& iDatabase;

 	const TLogConfig* iConfig;

 	const CLogServRecentListManager& iRecentSetup;

 	TLogChangeState iState;

 	TInt iRecent;

 	};

 #endif