/*

* Copyright (c) 2007 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:  

*     Active object to listen list type settings from CenRep 

*     (KCRUidMuiuSettings / KMuiuMailMessageListType )

*

*/

#ifndef __MCELISTBOXTYPEOBSERVER_H__

#define __MCELISTBOXTYPEOBSERVER_H__

//  INCLUDES

#include <e32base.h>

// FORWARD DECLARATIONS

class CRepository;

// CLASS DECLARATION

class MMceListboxTypeObserver

    {

    public:

        /**

        * Called when setting value changes

        * @param aListboxType: new value

        */

       virtual void ListboxTypeChangedL() = 0;

    };

enum TMceMessageListType

    {

    EMceListTypeOneRow = 0,

    EMceListTypeTwoRow

    };

/**

*  CMceListboxTypeObserver

*

*

*/

class CMceListboxTypeObserver : public CActive

    {

    public:  // Constructors and destructor

        /**

        * Constructor

        * @param aObserver: observer, which is notified

        *    when setting value changes.

        */

        static CMceListboxTypeObserver* NewL(

            MMceListboxTypeObserver& aObserver,

            TUint32 aSetting );

    private:

        /**

        * C++ constructor.

        */

        CMceListboxTypeObserver(

            MMceListboxTypeObserver& aObserver,

            TUint32 aSetting );

        /**

        * Symbian constructor

        */

        void ConstructL( );

    public:

        /**

        * Destructor.

        */

        virtual ~CMceListboxTypeObserver();

    public: // New functions

        /**

        * @return: current listbox type (one row / two row)

        * TODO: enum for that?

        */

        TInt ListboxType() const;

    private:  // Functions from CActive

        /**

        * From CActive

        */

        virtual void DoCancel();

        /**

        * From CActive

        */

        virtual void RunL();

        /**

        * From CActive

        */

        virtual TInt RunError( TInt aError );

    private: //Data

        MMceListboxTypeObserver&    iObserver;

        TInt                        iListType;

        CRepository*                iRepository;

        TUint32                     iSetting;

    };

#endif      // __MCELISTBOXTYPEOBSERVER_H__

// End of File