1 /*

     2 * Copyright (c) 2008 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:  Execute command without blocking the process. Needed for

    15 *                touch UI implementation.

    16 *

    17 */

    18 

    19 #include <e32base.h>

    20 #include <mcmdexec.h>

    21 #include "ccmdexec.h"

    22 

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

    24 // C++ default constructor can NOT contain any code, that might leave.

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

    26 //

    27 CCmdExec::CCmdExec(MCmdExec& aOwner) :

    28     CActive( CActive::EPriorityStandard ),

    29     iOwner(aOwner)

    30     {

    31     CActiveScheduler::Add(this);

    32     }

    33 

    34 // ----------------------------------------------------------------------------

    35 // Destructor.

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

    37 //

    38 CCmdExec::~CCmdExec()

    39     {

    40     Cancel();

    41     }

    42 

    43 void CCmdExec::Execute()

    44     {

    45     // Cancel possible previous request

    46     Cancel();

    47     

    48     // Do request

    49     TRequestStatus *requestStatus = &iStatus;

    50     User::RequestComplete(requestStatus, KErrNone);

    51     SetActive();

    52     }

    53             

    54 void CCmdExec::RunL()

    55     {

    56     iOwner.Execute();

    57     }

    58 

    59 TInt CCmdExec::RunError( TInt aError )

    60     {

    61     if (aError != 0)

    62         iOwner.HandleLeaveError( aError );

    63     return KErrNone;

    64     }

    65 

    66 void CCmdExec::DoCancel()

    67     {

    68     

    69     }