1 /*

     2 * Copyright (c) 2010 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:  This is the client side internal file to handle

    15 *               cache update notifications sent by the server using

    16 *               Publish and Subscribe framework.

    17 *

    18 */

    19 

    20 #ifndef CPSUPDATEHANDLER_H

    21 #define CPSUPDATEHANDLER_H

    22 

    23 #include <e32base.h>

    24 

    25 class CPSRequestHandler;

    26 

    27 

    28 class CPsUpdateHandler : public CActive

    29     {

    30 public:

    31     // Cancel and destroy

    32     ~CPsUpdateHandler();

    33 

    34     // Two-phased constructor.

    35     static CPsUpdateHandler* NewL( CPSRequestHandler& aRequestHandler, TInt aPsKey );

    36 

    37     // Two-phased constructor.

    38     static CPsUpdateHandler* NewLC( CPSRequestHandler& aRequestHandler, TInt aPsKey );

    39 

    40 private:

    41     // C++ constructor

    42     CPsUpdateHandler( CPSRequestHandler& aRequestHandler, TInt aPsKey );

    43 

    44     // Second-phase constructor

    45     void ConstructL();

    46 

    47 private: // From CActive

    48     // Handle completion

    49     void RunL();

    50 

    51     // How to cancel me

    52     void DoCancel();

    53 

    54 private:

    55     

    56     /**

    57     * Handle to RequestHandler through which observers will be notified

    58     */

    59     CPSRequestHandler& iRequestHandler;

    60     

    61     /**

    62     * P&S property handle to be observed

    63     */

    64     RProperty iProperty;

    65     

    66     /**

    67     * The P&S key observed by this handler object

    68     */

    69     TInt iPsKey;

    70     };

    71 

    72 #endif // CPSUPDATEHANDLER_H