1 /*

     2 * Copyright (c) 2002 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:  Declaration of Notepad Model Observer Interface.

    15 *

    16 */

    17 

    18 

    19 #ifndef NPDMODELOBSERVER_H

    20 #define NPDMODELOBSERVER_H

    21 

    22 // CLASS DECLARATION

    23 /**

    24 * Observer interface of CNotepadModel.

    25 * MNotepadModelObserver is an interface to observe and handle the changes of

    26 * CNotepadModel.

    27 *  

    28 * @lib NpdLib.lib

    29 * @see CNotepadModel

    30 */

    31 class MNotepadModelObserver

    32     {

    33     public:

    34         enum TEvent

    35             {

    36             EDatabaseChanged = 1,

    37             EAbortDeletion,

    38             ECompleteDeletion,

    39             EProgressDeletion,

    40             EStartItemArrayChange,

    41             EAbortItemArrayChange,

    42             ECompleteItemArrayChange,

    43             EProgressItemArrayChange

    44             };

    45 

    46         /**

    47         * Handles a event of CNotepadModel.

    48         *

    49         * @param aEvent Type of an event.

    50         * @param aParam Optional parameter of an event.

    51         */ 

    52         virtual void HandleNotepadModelEventL(

    53             TEvent aEvent, 

    54             TInt aParam = 0 )=0;

    55     };

    56 

    57 #endif  // NPDMODELOBSERVER_H

    58 

    59 // End of File