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 // -----------------------------------------------------------------------------

    19 //

    20 // -----------------------------------------------------------------------------

    21 //

    22 template <typename T>

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

    24                                                             TUint32 aKey,

    25                                                             MRadioRepositoryEntityObserver& aObserver,

    26                                                             CActive::TPriority aPriority )

    27     {

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

    29     CleanupStack::PushL( self );

    30     self->ConstructL();

    31     CleanupStack::Pop( self );

    32     return self;

    33     }

    34 

    35 // -----------------------------------------------------------------------------

    36 //

    37 // -----------------------------------------------------------------------------

    38 //

    39 template <typename T>

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

    41                                                    TUint32 aKey,

    42                                                    MRadioRepositoryEntityObserver& aObserver,

    43                                                    CActive::TPriority aPriority )

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

    45     {

    46     }

    47 

    48 // -----------------------------------------------------------------------------

    49 //

    50 // -----------------------------------------------------------------------------

    51 //

    52 template <typename T>

    53 void CRadioRepositoryEntity<T>::ConstructL()

    54     {

    55     iRepository = CRepository::NewL( iUid );

    56 

    57     CActiveScheduler::Add( this );

    58     RunL();

    59     }

    60 

    61 // -----------------------------------------------------------------------------

    62 //

    63 // -----------------------------------------------------------------------------

    64 //

    65 template <typename T>

    66 CRadioRepositoryEntity<T>::~CRadioRepositoryEntity()

    67     {

    68     Cancel();

    69     delete iRepository;

    70     }

    71 

    72 // -----------------------------------------------------------------------------

    73 // Sets the value of the key.

    74 // -----------------------------------------------------------------------------

    75 //

    76 template <typename T>

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

    78     {

    79     iValue = aValue;

    80     if ( aSavingEnabled )

    81         {

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

    83         }

    84     return KErrNone;

    85     }

    86 

    87 // -----------------------------------------------------------------------------

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

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

    90 //

    91 template <typename T>

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

    93     {

    94     return iValue;

    95     }

    96 

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

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

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

   100 //

   101 template <typename T>

   102 void CRadioRepositoryEntity<T>::UpdateL()

   103     {

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

   105     }

   106 

   107 // -----------------------------------------------------------------------------

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

   109 // -----------------------------------------------------------------------------

   110 //

   111 template <typename T>

   112 void CRadioRepositoryEntity<T>::RunL()

   113     {

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

   115     SetActive();

   116 

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

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

   119     }

   120 

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

   122 // Cancels all pending notifications.

   123 // -----------------------------------------------------------------------------

   124 //

   125 template <typename T>

   126 void CRadioRepositoryEntity<T>::DoCancel()

   127     {

   128     iRepository->NotifyCancel( iKey );

   129     }