1 /*

     2 * Copyright (c) 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 "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:  Subscriber (Publish & Subscribe)

    15 *

    16 */

    17 

    18 

    19 // INCLUDES

    20 #include "CFileManagerPropertySubscriber.h"

    21 #include "FileManagerDebug.h"

    22 

    23 // ============================= MEMBER FUNCTIONS =============================

    24 

    25 // ----------------------------------------------------------------------------

    26 // CFileManagerPropertySubscriber::NewL()

    27 //

    28 // ----------------------------------------------------------------------------

    29 CFileManagerPropertySubscriber* CFileManagerPropertySubscriber::NewL(

    30         MFileManagerPropertyObserver& aObserver,

    31         const TUid& aCategory,

    32         const TUint aKey )

    33     {

    34     CFileManagerPropertySubscriber* self = new (ELeave)

    35         CFileManagerPropertySubscriber(

    36             aObserver, aCategory, aKey );

    37     CleanupStack::PushL( self );

    38     self->ConstructL();

    39     CleanupStack::Pop( self );

    40     return self;

    41     }

    42 

    43 // ----------------------------------------------------------------------------

    44 // CFileManagerPropertySubscriber::ConstructL()

    45 //

    46 // ----------------------------------------------------------------------------

    47 void CFileManagerPropertySubscriber::ConstructL()

    48     {

    49     CActiveScheduler::Add( this );

    50     User::LeaveIfError( iProperty.Attach( iCategory, iKey ) );

    51     Subscribe();

    52     }

    53 

    54 // ----------------------------------------------------------------------------

    55 // CFileManagerPropertySubscriber::Subscribe()

    56 //

    57 // ----------------------------------------------------------------------------

    58 void CFileManagerPropertySubscriber::Subscribe()

    59     {

    60     iProperty.Subscribe( iStatus );

    61     SetActive();

    62     }

    63 

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

    65 // CFileManagerPropertySubscriber::CFileManagerPropertySubscriber()

    66 //

    67 // ----------------------------------------------------------------------------

    68 CFileManagerPropertySubscriber::CFileManagerPropertySubscriber(

    69         MFileManagerPropertyObserver& aObserver,

    70         const TUid& aCategory,

    71         const TUint aKey ) :

    72     CActive( EPriorityStandard ),

    73     iObserver( aObserver ),

    74     iCategory( aCategory),

    75     iKey( aKey )

    76     {

    77     }

    78 

    79 // ----------------------------------------------------------------------------

    80 // CFileManagerPropertySubscriber::RunL()

    81 //

    82 // ----------------------------------------------------------------------------

    83 void CFileManagerPropertySubscriber::RunL()

    84     {

    85     Subscribe();

    86     iObserver.PropertyChangedL( iCategory, iKey );

    87     }

    88 

    89 // ----------------------------------------------------------------------------

    90 // CFileManagerPropertySubscriber::DoCancel()

    91 //

    92 // ----------------------------------------------------------------------------

    93 void CFileManagerPropertySubscriber::DoCancel()

    94     {

    95     iProperty.Cancel();

    96     }

    97 

    98 // ----------------------------------------------------------------------------

    99 // CFileManagerPropertySubscriber::RunError()

   100 //

   101 // ----------------------------------------------------------------------------

   102 TInt CFileManagerPropertySubscriber::RunError( TInt aError )

   103     {    

   104     ERROR_LOG1( "CFileManagerPropertySubscriber::RunError()-error=%d", aError )

   105     return aError;

   106     }

   107 

   108 // ----------------------------------------------------------------------------

   109 // CFileManagerPropertySubscriber::~CFileManagerPropertySubscriber()

   110 //

   111 // ----------------------------------------------------------------------------

   112 CFileManagerPropertySubscriber::~CFileManagerPropertySubscriber()

   113     {

   114     Cancel();

   115     iProperty.Close();

   116     }

   117 

   118 // End of File

   119 

   120