1 /*

     2 * Copyright (c) 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:

    15 *

    16 */

    17 

    18 // System includes

    19 #include <centralrepository.h>

    20 

    21 // -----------------------------------------------------------------------------

    22 //

    23 // -----------------------------------------------------------------------------

    24 //

    25 template <typename T>

    26 EXPORT_C CRadioRepositoryEntity<T>* CRadioRepositoryEntity<T>::NewL( const TUid& aUid,

    27                                                             TUint32 aKey,

    28                                                             MRadioRepositoryEntityObserver& aObserver,

    29                                                             CActive::TPriority aPriority )

    30     {

    31     LEVEL3( LOG_METHOD_AUTO );

    32     CRadioRepositoryEntity<T>* self = new ( ELeave ) CRadioRepositoryEntity<T>( aUid, aKey, aObserver, aPriority );

    33     CleanupStack::PushL( self );

    34     self->ConstructL();

    35     CleanupStack::Pop( self );

    36     return self;

    37     }

    38 

    39 // -----------------------------------------------------------------------------

    40 //

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

    42 //

    43 template <typename T>

    44 CRadioRepositoryEntity<T>::CRadioRepositoryEntity( const TUid& aUid,

    45                                                    TUint32 aKey,

    46                                                    MRadioRepositoryEntityObserver& aObserver,

    47                                                    CActive::TPriority aPriority )

    48     : CRadioRepositoryEntityBase( aUid, aKey, aObserver, aPriority )

    49     {

    50     LEVEL3( LOG_METHOD_AUTO );

    51     }

    52 

    53 // -----------------------------------------------------------------------------

    54 //

    55 // -----------------------------------------------------------------------------

    56 //

    57 template <typename T>

    58 void CRadioRepositoryEntity<T>::ConstructL()

    59     {

    60     LEVEL3( LOG_METHOD_AUTO );

    61     iRepository = CRepository::NewL( iUid );

    62 

    63     CActiveScheduler::Add( this );

    64     iRepository->Get( iKey, iValue );

    65     User::LeaveIfError( iRepository->NotifyRequest( iKey, iStatus ) );

    66     SetActive();

    67     }

    68 

    69 // -----------------------------------------------------------------------------

    70 //

    71 // -----------------------------------------------------------------------------

    72 //

    73 template <typename T>

    74 EXPORT_C CRadioRepositoryEntity<T>::~CRadioRepositoryEntity()

    75     {

    76     LEVEL3( LOG_METHOD_AUTO );

    77     Cancel();

    78     delete iRepository;

    79     }

    80 

    81 // -----------------------------------------------------------------------------

    82 // Sets the value of the key.

    83 // -----------------------------------------------------------------------------

    84 //

    85 template <typename T>

    86 TInt CRadioRepositoryEntity<T>::SetValue( const T& aValue, TBool aSavingEnabled )

    87     {

    88     LEVEL3( LOG_METHOD_AUTO );

    89     iValue = aValue;

    90     if ( aSavingEnabled )

    91         {

    92         return iRepository->Set( iKey, aValue );

    93         }

    94     return KErrNone;

    95     }

    96 

    97 // -----------------------------------------------------------------------------

    98 // Returns the cached copy of the key's value.

    99 // -----------------------------------------------------------------------------

   100 //

   101 template <typename T>

   102 const T& CRadioRepositoryEntity<T>::Value() const

   103     {

   104     LEVEL3( LOG_METHOD_AUTO );

   105     return iValue;

   106     }

   107 

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

   109 // Forcibly updates the cached value from the repository.

   110 // -----------------------------------------------------------------------------

   111 //

   112 template <typename T>

   113 void CRadioRepositoryEntity<T>::UpdateL()

   114     {

   115     LEVEL3( LOG_METHOD_AUTO );

   116     User::LeaveIfError( iRepository->Get( iKey, iValue ) );

   117     }

   118 

   119 // -----------------------------------------------------------------------------

   120 // Executed when the key's value is changed.

   121 // -----------------------------------------------------------------------------

   122 //

   123 template <typename T>

   124 void CRadioRepositoryEntity<T>::RunL()

   125     {

   126     LEVEL3( LOG_METHOD_AUTO );

   127     User::LeaveIfError( iRepository->NotifyRequest( iKey, iStatus ) );

   128     SetActive();

   129 

   130     TInt err = iRepository->Get( iKey, iValue );

   131     iObserver.HandleRepositoryValueChangeL( iUid, iKey, iValue, err );

   132     }

   133 

   134 // -----------------------------------------------------------------------------

   135 // Cancels all pending notifications.

   136 // -----------------------------------------------------------------------------

   137 //

   138 template <typename T>

   139 void CRadioRepositoryEntity<T>::DoCancel()

   140     {

   141     LEVEL3( LOG_METHOD_AUTO );

   142     iRepository->NotifyCancel( iKey );

   143     }