/*

* Copyright (c) 2006 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 VUICLISTQUERYDIALOG_H

#define VUICLISTQUERYDIALOG_H

// INCLUDES

#include <aknlistquerydialog.h>

// CLASS DECLARATION

/**

* 

*

*/

NONSHARABLE_CLASS( CListQueryDialog ) : public CAknListQueryDialog,

										public MEikScrollBarObserver

{

    public:     // Constructors and destructor

        /**

        * Symbian two-phased constructor.

        */

        static CListQueryDialog* NewL( TInt *aIndex,

                                       CListQueryDialog** aSelf,

                                       MEikCommandObserver* aObserver = NULL,

                                       TInt aMenuTitleResourceId = NULL );

        /**

        * Destructor.

        */

        virtual ~CListQueryDialog();

    public:  // New functions

        /**

        * Checks if menu is currently visible

        * @return ETrue if menu is visible

        */

        TBool IsMenuVisible();

        /**

        * Sets optional menu commands hidden or visible

        * @param aHidden ETrue if commands should be hidden else EFalse

        */

        void SetCommandVisibility( TBool aHidden );

    protected:  // Functions from base classes

        /**

        * From CAknListQueryDialog

        * @see CAknListQueryDialog for more information.

        */

        void PostLayoutDynInitL();

        /**

        * From CAknListQueryDialog

        * @see CAknListQueryDialog for more information.

        */

        TBool OkToExitL( TInt aButtonId );

        /**

        * From CAknListQueryDialog

        * @see CAknListQueryDialog for more information.

        */

        void ProcessCommandL( TInt aCommandId );

        /**

        * From CAknListQueryDialog

        * @see CAknListQueryDialog for more information.

        */

        void DynInitMenuPaneL( TInt aResourceId, CEikMenuPane* aMenuPane );

        /**

        * From CAknListQueryDialog

        * @see CAknListQueryDialog for more information.

        */

        void HandleListBoxEventL( CEikListBox* aListBox, TListBoxEvent aEventType );

        /**

        * From MEikScrollBarObserver

        * @see MEikScrollBarObserver for more information.

        */

        void HandleScrollEventL( CEikScrollBar* aScrollBar, TEikScrollEvent aEventType );

    private:  // New functions

        /**

        * C++ default constructor.

        */

        CListQueryDialog( MEikCommandObserver* aObserver,

                          TInt aMenuTitleResourceId,

                          TInt *aIndex,

                          CListQueryDialog** aSelf );

        /**

        * Symbian OS 2nd phase constructor.

        */

        virtual void ConstructL();

    private:    // Data

        // State of optionally visible menu commands

        TBool                   iCommandsHidden;

        // Menu command observer

        MEikCommandObserver*    iObserver;

        // Options menu resource id

        TInt                    iMenuResourceId;

        // Address of self pointer

        CListQueryDialog**      iSelf;

};

#endif  // VUICLISTQUERYDIALOG_H

// End of File