1 /*

     2 * Copyright (c) 2004 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:    LandmarksUi Content File -    Interface for storing and restoring listbox UI status

    15 *

    16 */

    17 

    18 

    19 

    20 

    21 

    22 

    23 

    24 #ifndef MLMKLISTMEMENTO_H

    25 #define MLMKLISTMEMENTO_H

    26 

    27 //  INCLUDES

    28 #include <e32base.h>

    29 

    30 // FORWARD DECLARATIONS

    31 class CEikListBox;

    32 class CLmkListProviderBase;

    33 

    34 // CLASS DECLARATION

    35 

    36 /**

    37 * MLmkListMemento class. Interface for storing and restoring

    38 * listbox UI status (e.g. current item index).

    39 * Methods in this class are non-leaving since this functionality is

    40 * just supplementary, error situations should be handled by memento.

    41 */

    42 class MLmkListMemento

    43     {

    44     public: // Constructors and destructors

    45         /**

    46         * Destructor

    47         */

    48         virtual ~MLmkListMemento() {};

    49 

    50     public: // New functions

    51         /**

    52         * Store listbox state

    53         * @param aListbox

    54         * @param aProvider

    55         * @param aFiltered

    56         */

    57         virtual void Store( const CEikListBox& aListBox,

    58                             const CLmkListProviderBase& aProvider,

    59                             TBool aFiltered ) = 0;

    60 

    61         /**

    62         * Restore listbox state

    63         * @param aListbox

    64         * @param aProvider

    65         * @param aFiltered

    66         */

    67         virtual void Restore( const CEikListBox& aListBox,

    68                               const CLmkListProviderBase& aProvider,

    69                               TBool aFiltered ) = 0;

    70     };

    71 

    72 #endif      // MLMKLISTMEMENTO_H

    73 

    74 // End of File