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:  Class for observing changes in central repository values

    15 *

    16 */

    17 

    18 

    19 

    20 // INCLUDE FILES

    21 #include <mpxcenrepobserver.h>

    22 #include <mpxcenrepwatcher.h>

    23 

    24 // -----------------------------------------------------------------------------

    25 // Two-phased constructor.

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

    27 //

    28 EXPORT_C CMPXCenRepWatcher* CMPXCenRepWatcher::NewL(const TUid& aRepositoryUid,

    29                                           TUint32 aId,

    30                                        MMPXCenRepObserver* aObserver)

    31     {

    32     CMPXCenRepWatcher* self = new(ELeave) CMPXCenRepWatcher(

    33         aRepositoryUid, aId, aObserver);

    34     CleanupStack::PushL(self);

    35     self->ConstructL();

    36     CleanupStack::Pop(self);

    37     return self;

    38     }

    39 

    40 // -----------------------------------------------------------------------------

    41 // C++ default constructor can NOT contain any code, that

    42 // might leave.

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

    44 //

    45 CMPXCenRepWatcher::CMPXCenRepWatcher(const TUid& aRepositoryUid,

    46                                      TUint32 aId,

    47                                      MMPXCenRepObserver* aObserver)

    48 :   CActive(EPriorityStandard), 

    49     iRepository(NULL), 

    50     iRepositoryUid(aRepositoryUid), 

    51     iId(aId), 

    52     iObserver(aObserver)

    53     {

    54     }

    55 

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

    57 // Symbian 2nd phase constructor can leave.

    58 // -----------------------------------------------------------------------------

    59 //

    60 void CMPXCenRepWatcher::ConstructL()

    61     {

    62     iRepository = CRepository::NewL(iRepositoryUid);

    63     CActiveScheduler::Add( this );

    64     User::LeaveIfError(iRepository->NotifyRequest(iId, iStatus));

    65     SetActive();

    66     }

    67 

    68 // Destructor

    69 EXPORT_C CMPXCenRepWatcher::~CMPXCenRepWatcher()

    70     {

    71     Cancel();

    72     delete iRepository;

    73     iObserver = NULL;

    74     }

    75     

    76 // -----------------------------------------------------------------------------

    77 // CMPXCenRepWatcher::CurrentValueL

    78 // -----------------------------------------------------------------------------

    79 //

    80 EXPORT_C TInt CMPXCenRepWatcher::CurrentValueL()

    81     {

    82     TInt res = 0;

    83     User::LeaveIfError(iRepository->Get(iId, res));

    84     return res;

    85     }    

    86 

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

    88 // CMPXCenRepWatcher::SetValueL

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

    90 //

    91 EXPORT_C void CMPXCenRepWatcher::SetValueL(TInt aNewValue)

    92     {

    93     User::LeaveIfError(iRepository->Set(iId, aNewValue));

    94     }    

    95     

    96 // -----------------------------------------------------------------------------

    97 // CMPXCenRepWatcher::RunL

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

    99 //

   100 void CMPXCenRepWatcher::RunL()

   101     {

   102     User::LeaveIfError(iRepository->NotifyRequest(iId, iStatus));

   103     SetActive();

   104 

   105     iObserver->HandleSettingChange(iRepositoryUid, iId);

   106     }

   107 

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

   109 // CMPXCenRepWatcher::DoCancel

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

   111 //

   112 void CMPXCenRepWatcher::DoCancel()

   113     {

   114     iRepository->NotifyCancel(iId);

   115     }

   116 

   117 

   118 // End of File