/*

* Copyright (c) 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 IRSEARCHCRITERIADB_H

#define IRSEARCHCRITERIADB_H

#include <QObject>

#include <QEvent>

#include <QStringList>

#include "irqenums.h"

/* use this macro to limit the length of the input string */

#define CRITERIA_UPLIMIT_LENGTH 127

class QSqlDatabase;

class IRSearchCriteriaDB : public QObject

{

	Q_OBJECT

public:

    explicit IRSearchCriteriaDB(int aMaxCount = 100);     

	~IRSearchCriteriaDB();

	IRQError addOneCriteria(const QString& aCriteria);

    bool getAllCriteria(QStringList& aStrList) const;

    bool isAlreadyExist(const QString& aCriteria) const;

signals:

    void dataAdded();   

private:		

    void createDBConnection();

    bool deleteSomeCriteria();

private:

	  QSqlDatabase         *iDB;  	 

	  int          iMaxCount;					

};

#endif