/*

* Copyright (c) 2010 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:  Wrapper class for Central Repository handling.

*               Using this helper class is most helpful when one class needs

*               to observe state changes in several repositories.

*/

#ifndef DIALERCENREPWRAPPER_H

#define DIALERCENREPWRAPPER_H

// INCLUDES

#include <e32std.h>

#include <e32base.h>

#include <cenrepnotifyhandler.h>

// CALLBACK INTERFACE

NONSHARABLE_CLASS( MDialerCenRepObserver )

    {

public:

    virtual void HandleRepositoryChange( TUid aRepository, TUint32 aKey ) = 0;

    };

// FORWARD DECLARATIONS

class CRepository;

// CLASS DECLARATION

/**

 *  CDialerCenRepWrapper

 * 

 */

NONSHARABLE_CLASS( CDialerCenRepWrapper ): 

    public CBase, public MCenRepNotifyHandlerCallback

    {

public: // constructors and destructor

    /**

     * Destructor.

     */

    ~CDialerCenRepWrapper();

    /**

     * Two-phased constructor.

     */

    static CDialerCenRepWrapper* NewL( 

            MDialerCenRepObserver& aObserver, TUid aRepository );

    /**

     * Two-phased constructor.

     */

    static CDialerCenRepWrapper* NewLC( 

            MDialerCenRepObserver& aObserver, TUid aRepository );

private: // consturctors

    /**

     * Constructor for performing 1st stage construction

     */

    CDialerCenRepWrapper( 

            MDialerCenRepObserver& aObserver, TUid aRepository );

    /**

     * Symbian default constructor for performing 2nd stage construction

     */

    void ConstructL();

public: // from MCenRepNotifyHandlerCallback

    /**

     * @see MCenRepNotifyHandlerCallback

     */

    void HandleNotifyGeneric( TUint32 aId );

public: // new methods

    /**

     * Get integer value from the repository.

     * @see CRepository::Get

     */

    TInt Get( TUint32 aKey, TInt& aValue );

    // Getters for other data types may be added here if needed

private: // data

    /** Observer is notified on repository changes */

    MDialerCenRepObserver& iObserver;

    /** UID of the repository */

    TUid iRepositoryId;

    /** Repository handle. Owned. */

    CRepository* iRepository;

    /** Helper for reacting to repository changes. */

    CCenRepNotifyHandler* iCenRepNotifyHandler;

    };

#endif // DIALERCENREPWRAPPER_H