1 /*

     2 * Copyright (c) 2005-2007 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:  Plug-in main class

    15 *

    16 */

    17 

    18 

    19 #ifndef SAPIDATAOBSERVER_H

    20 #define SAPIDATAOBSERVER_H

    21 

    22 // INCLUDE FILES

    23 #include <LiwCommon.h>

    24 

    25 class CSapiData;

    26 

    27 class CSapiDataObserver : public CBase, public MLiwNotifyCallback

    28     {

    29 public:

    30 

    31     /**

    32     * Part of the two phased constuction

    33     *

    34     * @param aInterface reference of the interface 

    35     * @param aData reference of the sapi data object

    36     * @return none

    37     */

    38     static CSapiDataObserver* NewL( MLiwInterface* aInterface, CSapiData* aData );

    39     

    40     /**

    41     * Destructor

    42     *

    43     * @param none

    44     * @return none

    45     */   

    46     ~CSapiDataObserver();

    47 

    48 private :

    49     

    50     /**

    51     * Constructor

    52     *

    53     * @param none

    54     * @return none

    55     */

    56     CSapiDataObserver();

    57     

    58     /**

    59     * Part of the two phased construction

    60     *

    61     * @param aInterface reference of the interface

    62     * @param aData reference of the sapi data object

    63     * @return void

    64     */

    65     void ConstructL( MLiwInterface* aInterface, CSapiData* aData );

    66        

    67 public:  //from MLiwNotifyCallbackc

    68     

    69     /**

    70     * Handles notifications caused by an asynchronous Execute*CmdL call

    71     * or an event.

    72     *

    73     * @param aCmdId The service command associated to the event.

    74     * @param aEventId occurred event, see LiwCommon.hrh.

    75     * @param aEventParamList Event parameters, if any, as defined per

    76     *        each event.

    77     * @param aInParamList Input parameters, if any, given in the

    78     *        related HandleCommmandL.

    79     * @return Error code for the call back.

    80     */

    81     virtual TInt HandleNotifyL(

    82         TInt aCmdId,

    83         TInt /*aEventId*/,

    84         CLiwGenericParamList& aEventParamList,

    85         const CLiwGenericParamList& /*aInParamList*/);

    86 

    87 public:

    88     

    89     /**

    90     * Registers to CPS for add, delete , update and execute notifications

    91     * @aFilter - filter for input parameter list

    92     * @return void.

    93     */

    94     void RegisterL( CLiwDefaultMap* aFilter, const TDesC& aRegistry );

    95 

    96     /**

    97     * Cancel all the registered notifications. 

    98     * @return void.

    99     */

   100     void ReleaseL();

   101         

   102 private:

   103         

   104     // Reference of 

   105     // Not owned

   106     MLiwInterface* iInterface;

   107     

   108     // Reference of the sapi data

   109     // Not owned

   110     CSapiData* iData;

   111     

   112     // Call back error code

   113     TInt iError;

   114         

   115     };

   116 

   117 #endif /*SAPIDATAOBSERVER_H*/