1 /*

     2 * Copyright (c) 2008-2009 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: Listen cellular data usage key changes in central repository.

    15 *

    16 */

    17 

    18 #ifndef MPMDATAUSAGEWATCHER_H

    19 #define MPMDATAUSAGEWATCHER_H

    20 

    21 //  INCLUDES

    22 #include <e32base.h>

    23 

    24 class CRepository;

    25 class CMPMServer;

    26 

    27 /**

    28  *  Class for accessing central repository.

    29  *  Follows KCurrentCellularDataUsage key in central repository.

    30  *  @since 5.2

    31  */

    32 class CMpmDataUsageWatcher : public CActive

    33     {

    34 

    35 public:

    36 

    37     /**

    38     * New for calling the two-phased constructor.

    39     */

    40     static CMpmDataUsageWatcher* NewL( CMPMServer* aServer );

    41 

    42     /**

    43     * Destructor.

    44     */

    45     virtual ~CMpmDataUsageWatcher();

    46 

    47     /**

    48      * Start to listen for events.

    49      */

    50     void StartL();

    51     

    52     /**

    53     * Active object's RunL.

    54     */

    55     void RunL();

    56 

    57     /**

    58     * Active object's RunError.

    59     */

    60     TInt RunError( TInt aError );

    61 

    62     /**

    63     * Active object's DoCancel.

    64     */

    65     void DoCancel();

    66 

    67 private:

    68 

    69     /**

    70     * C++ default constructor.

    71     */

    72     CMpmDataUsageWatcher( CMPMServer* aServer );

    73 

    74     /**

    75     * Symbian 2nd phase constructor.

    76     */

    77     void ConstructL();

    78 

    79 private: // data

    80 

    81     /**

    82      * Central repository handle.

    83      * Own.

    84      */

    85     CRepository* iRepository;

    86 

    87     /**

    88      * Data usage value.

    89      */

    90     TInt iCellularDataUsage;     // type: TCmCellularDataUsage

    91 

    92     /**

    93      * Pointer to the MPM Server object.

    94      * Not own.

    95      */

    96     CMPMServer* iServer;

    97 

    98     };

    99 

   100 #endif // MPMDATAUSAGEWATCHER_H