/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

*

* This program is free software: you can redistribute it and/or modify

* it under the terms of the GNU Lesser General Public License as published by

* the Free Software Foundation, version 2.1 of the License.

* 

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

* GNU Lesser General Public License for more details.

*

* You should have received a copy of the GNU Lesser General Public License

* along with this program.  If not, 

* see "http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html/".

*

* Description:

*

*/

#ifndef CENTRALREPOSITORYHANDLER_H

#define CENTRALREPOSITORYHANDLER_H

#include <exception>

#include <e32base.h>

#include <centralrepository.h>

#include "settingshandlerbase.h"

#include "cenrepmonitor.h"

class XQSettingsKey;

class CRepository;

class CCentralRepositoryHandler : public CBase, public SettingsHandlerBase

{

public:

    static CCentralRepositoryHandler* NewL(TUid aUid);

    ~CCentralRepositoryHandler();

    TInt createKey(unsigned long key, const TInt& value);

    TInt createKey(unsigned long key, const TReal& value);

    TInt createKey(unsigned long key, const TDesC8& value);

    TInt createKey(unsigned long key, const TDesC16& value);

    TInt deleteKey(unsigned long key);

    TInt resetKey(unsigned long key);

    TInt resetRepository();

    TInt findKeyL(unsigned long partialKey, TUint32 mask, RArray<TUint32>& aFoundKeys);

    TInt findKeyL(unsigned long partialKey, TUint32 mask, const TInt& value, bool negative, RArray<TUint32>& aFoundKeys);

    TInt findKeyL(unsigned long partialKey, TUint32 mask, const TReal& value, bool negative, RArray<TUint32>& aFoundKeys);

    TInt findKeyL(unsigned long partialKey, TUint32 mask, const TDesC8& value, bool negative, RArray<TUint32>& aFoundKeys);

    TInt findKeyL(unsigned long partialKey, TUint32 mask, const TDesC16& value, bool negative, RArray<TUint32>& aFoundKeys);

    TInt startTransaction(CRepository::TTransactionMode transactionMode);

    TInt commitTransaction();

    void cancelTransaction();

    void failTransaction();

    TInt transactionState() const;

private:

    CCentralRepositoryHandler(TUid aUid);

    void ConstructL();

protected:  //From SettingsHandlerBase

    void setObserver(MSettingsHandlerObserver* observer);

    bool handleStartMonitoring(const XQSettingsKey& key, XQSettingsManager::Type type, MSettingsHandlerObserver& observer, TInt& error);

    bool handleStopMonitoring(const XQSettingsKey& key, TInt& error);

    TInt getValue(unsigned long key, TInt& value);

    TInt getValue(unsigned long key, TReal& value);

    void getValueL(unsigned long key, RBuf8& value);

    void getValueL(unsigned long key, RBuf16& value);

    TInt setValue(unsigned long key, const TInt& value);

    TInt setValue(unsigned long key, const TReal& value);

    TInt setValue(unsigned long key, const TDesC8& value);

    TInt setValue(unsigned long key, const TDesC16& value);

private:

    TUid m_uid;

    CRepository* iRepository;

    MSettingsHandlerObserver* m_observer;

    QHash<unsigned long int, CCenRepMonitor*> m_monitors;

};

#endif //CENTRALREPOSITORYHANDLER_H