/*

* 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:    Unit tests

*

*/

#ifndef ___T_GLXNOTIFICATION_H__

#define ___T_GLXNOTIFICATION_H__

//  EXTERNAL INCLUDES

#include <e32std.h>

//  INTERNAL INCLUDES

//  FORWARD DECLARATIONS

/**

 * Notification of change

 */

class TNotification

    {

    public:

        enum TNotificationType

            {

            ERemove,

            EAdd,

            EFocus,

            ESelection,

            EEndMarker // Last notification

            };

        // Data needs to be a simple struct with no member functions, to allow 

        // arrays to be easily declared 

        struct TData

            {

            TNotificationType iType;

            TInt iAtIndex; // Old focus index for EFocus

            TInt iData; // count for ERemove and EAdd, NGlxListDefs::TFocusChangeType for EFocus, TBool for ESelection

            };

    public:

        TNotification( TData aData );

        TBool operator==( const TNotification::TData& aNotification ) const;

        TBool operator!=( const TNotification::TData& aNotification ) const;

    private:

        TData iData;

    };

// Marker to signal the end of notifications list

#define END_MARKER TNotification::EEndMarker, 0, 0 // { EEndMarker, 0, 0 };

const TNotification::TData KEndMarkerData = { END_MARKER };

const TNotification KEndMarker = KEndMarkerData;

#endif      //  ___T_GLXNOTIFICATION_H__