1 /*

     2 * Copyright (c) 2004 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 the License "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:  Implementation of class CRequestCompleteCallback.   

    15 *

    16 */

    17 

    18 

    19 // INCLUDE FILES

    20 

    21 #include "RequestCompleteCallback.h"

    22 #include "CodUiPanic.h"

    23 

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

    25 

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

    27 // CRequestCompleteCallback::CRequestCompleteCallback()

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

    29 //

    30 CRequestCompleteCallback::CRequestCompleteCallback()

    31 : CActive( CActive::EPriorityStandard )

    32     {

    33     CActiveScheduler::Add( this );

    34     }

    35 

    36 // ---------------------------------------------------------

    37 // CRequestCompleteCallback::~CRequestCompleteCallback()

    38 // ---------------------------------------------------------

    39 //

    40 CRequestCompleteCallback::~CRequestCompleteCallback()

    41     {

    42     Cancel();

    43     }

    44 

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

    46 // CRequestCompleteCallback::CallbackOnCompletion()

    47 // ---------------------------------------------------------

    48 //

    49 void CRequestCompleteCallback::CallbackOnCompletion

    50 ( const TCallBack& aCallback )

    51     {

    52     __ASSERT_DEBUG( !IsActive(), CodUiPanic( ECodUiRequestPending ) );

    53     iCallback = aCallback;

    54     SetActive();

    55     }

    56 

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

    58 // CRequestCompleteCallback::DoCancel()

    59 // ---------------------------------------------------------

    60 //

    61 void CRequestCompleteCallback::DoCancel()

    62     {

    63     // The request should have been completed/Cancelled already, this object

    64     // cannot cancel it. If still pending, panic now (rather than hang).

    65     __ASSERT_ALWAYS( iStatus != KRequestPending, \

    66         CodUiPanic( ECodUiRequestPending ) );

    67     }

    68 

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

    70 // CRequestCompleteCallback::RunL()

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

    72 //

    73 void CRequestCompleteCallback::RunL()

    74     {

    75 #ifdef _DEBUG

    76     // Debug-only variable.

    77     TBool ret =

    78 #endif

    79     iCallback.CallBack();

    80     // This object cannot renew the request itself. Therefore, callbacks

    81     // must return EFalse.

    82     __ASSERT_DEBUG( !ret, CodUiPanic( ECodUiInvalidCallback ) );

    83     }