1 /*

     2 * Copyright (c) 2002, 2003 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: Property Observer class for handling property change events.  

    15 *

    16 */

    17 

    18 

    19 

    20 // INCLUDE FILES

    21 #include "PropertyObserver.h"

    22 

    23 

    24 // ============================ MEMBER FUNCTIONS ===============================

    25 

    26 // -----------------------------------------------------------------------------

    27 // CPropertyObserver::RunL

    28 // ?implementation_description

    29 // (other items were commented in a header).

    30 // -----------------------------------------------------------------------------

    31 //

    32 inline void CPropertyObserver::RunL(void)

    33 {

    34     if( iStatus.Int() == KErrNone )

    35     {

    36         Subscribe();

    37         NotifyCurrentValue();

    38     }

    39 }

    40 

    41 // -----------------------------------------------------------------------------

    42 // CPropertyObserver::DoCancel

    43 // ?implementation_description

    44 // (other items were commented in a header).

    45 // -----------------------------------------------------------------------------

    46 //

    47 inline void CPropertyObserver::DoCancel(void)

    48 {

    49     iProperty.Cancel();

    50 }

    51 

    52 // -----------------------------------------------------------------------------

    53 // CPropertyObserver::Subscribe

    54 // ?implementation_description

    55 // (other items were commented in a header).

    56 // -----------------------------------------------------------------------------

    57 //

    58 inline void CPropertyObserver::Subscribe(void)

    59 {

    60     iProperty.Subscribe( iStatus );

    61     SetActive();

    62 }

    63 

    64 // -----------------------------------------------------------------------------

    65 // CPropertyObserver::NotifyCurrentValue

    66 // ?implementation_description

    67 // (other items were commented in a header).

    68 // -----------------------------------------------------------------------------

    69 //

    70 inline void CPropertyObserver::NotifyCurrentValue(void)

    71 {

    72     TInt value(0);

    73 

    74     if( iSkipValue || iProperty.Get( iCategory, iKey, value ) == KErrNone )

    75     {

    76         iHandler.HandlePropertyChange( iCategory, iKey, value );

    77     }

    78 }

    79 

    80 

    81 // End of File