1 /*

     2 * Copyright (c) 2005-2006 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 the License "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:  CLandmarkObserver class for handling async requests

    15 *

    16 */

    17 

    18 

    19 #ifndef __CLANDMARKOBSERVER_H__

    20 #define __CLANDMARKOBSERVER_H__

    21 

    22 #include <e32base.h>

    23 #include "mlandmarkobserver.h"

    24 

    25 //FORWARD DECLARATION

    26 class CLiwGenericParamList;

    27 class CLandmarkInterface;

    28 

    29 /**

    30 * CLandmarkObserver

    31 * This class acts as an observer for all asynchronous requests. After the request

    32 * is completed, it checks for error and packs it in output param list. If there

    33 * is no error, then the iterator is also packed into the output param list.

    34 */

    35 // CLASS DECLARATION

    36 NONSHARABLE_CLASS(CLandmarkObserver): public CBase, public MLandmarkObserver

    37     {

    38     public: // New methods

    39 

    40         /**

    41         * NewL.

    42         * Two-phased constructor.

    43         * Create a CLandmarkObserver object.

    44         * @param aLmIface The CLandmarkInterface instance.

    45         * @return A pointer to the newly created instance of CLandmarkObserver.

    46         */

    47         static CLandmarkObserver* NewL( CLandmarkInterface* aLmIface );

    48 

    49         /**

    50         * ~CLandmarkObserver

    51         * Destructor.

    52         */

    53         ~CLandmarkObserver() {}

    54 

    55     public:// from MLandmarkObserver

    56 

    57         // HandleLandmarkItemsL.

    58         // Notifies client of state change and calls MLiwNotifyCallback::HandleNotifyL().

    59         void HandleLandmarkItemsL( CPosLmItemIterator* aIterator,

    60             TInt32 aTransactionId, TInt aError, const TDesC& aDatabaseUri );

    61 

    62         // HandleCategoryItemsL.

    63         // Notifies client of state change and calls MLiwNotifyCallback::HandleNotifyL().

    64         void HandleCategoryItemsL( CPosLmItemIterator* aIterator,

    65             TInt32 aTransactionId, TInt aError, const TDesC& aDatabaseUri );

    66 

    67     private: // Constructors

    68 

    69         /**

    70         * CLandmarkObserver.

    71         * C++ default constructor.

    72         * @param aLmIface The CLandmarkInterface instance.

    73         */

    74         CLandmarkObserver( CLandmarkInterface* aLmIface );

    75 

    76     private: //Data        

    77         

    78         /**

    79         * iLmIface

    80         * Handle to CLandmarkInterface instance.

    81         */

    82         CLandmarkInterface* iLmIface;

    83     };

    84 

    85 #endif // __CLANDMARKOBSERVER_H__

    86 

    87 // End of File