/*

* 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:  

*

*/

#ifndef TEXTTOSPEECHSETTINGITEMLIST_H

#define TEXTTOSPEECHSETTINGITEMLIST_H

#include <aknsettingitemlist.h>

class MEikCommandObserver;

class CTextToSpeechSettingItemListSettings;

/**

 * CTextToSpeechSettingItemList 

 */

class CTextToSpeechSettingItemList : public CAknSettingItemList

    {

    public: 

        CTextToSpeechSettingItemList( CTextToSpeechSettingItemListSettings& settings, 

                                      MEikCommandObserver* aCommandObserver );

        virtual ~CTextToSpeechSettingItemList();

        // overrides of CAknSettingItemList

        CAknSettingItem* CreateSettingItemL( TInt id );

        void EditItemL ( TInt aIndex, TBool aCalledFromMenu );

        virtual TKeyResponse OfferKeyEventL( const TKeyEvent& aKeyEvent, 

                                             TEventCode aType );

        // utility function for menu

        void ChangeSelectedItemL();

        void LoadSettingValuesL();

    private:

        // override of CAknSettingItemList

        void SizeChanged();

        void LoadLanguagesL();

        void LoadVoicesL( TBool aResetSelection );

        void HandleSliderVisibility();

    private:

        // current settings values

        CTextToSpeechSettingItemListSettings&   iSettings;

        CTextToSpeechEngine*                    iEngine;

        MEikCommandObserver*                    iCommandObserver;

    };

#endif // TEXTTOSPEECHSETTINGITEMLIST_H