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:  Callback interface class.

    15 *

    16 */

    17 

    18 

    19 #ifndef MLPDRESULTHANDLER_H

    20 #define MLPDRESULTHANDLER_H

    21 

    22 // INCLUDES

    23 #include <e32def.h>

    24 

    25 // FORWARD DECLARATIONS

    26 class CLpdQueryLauncherBase;

    27 

    28 

    29 // CLASS DECLARATION

    30 

    31 /**

    32 *  Observer pattern for handling dialog result. Used by several

    33 *  classes deriving from CLpdQueryLauncherBase.

    34 *

    35 *  @lib locverifierdlg.lib

    36 *  @since 2.1

    37 */

    38 class MLpdResultHandler

    39     {

    40     public: // New functions

    41 

    42         /**

    43         * Pure virtual observer method.

    44         * @param aResultCode

    45         */        

    46         virtual void HandleVerificationResultL( TInt aResultCode ) = 0;

    47 

    48         /**

    49         * Pure virtual observer method.

    50         * @param aResultCode

    51         */        

    52         virtual void HandleNotificationResultL( TInt aResultCode ) = 0;

    53 

    54         /**

    55         * Pure virtual observer method. Called if leave occurred in other

    56         * callback methods. Used because it is not acceptable to propagate

    57         * leave to AVKON dialog, plugin must clean up and continue with

    58         * handling of request queue.

    59         * @param aError code

    60         */        

    61         virtual void HandleLeave( TInt aError ) = 0;

    62     };

    63 

    64 #endif      // MLPDRESULTHANDLER_H   

    65             

    66 // End of File