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:  Implementation of ReadRequestAO class.

    15 *

    16 */

    17 

    18 

    19 #include <mmfdatabuffer.h>

    20 #include "ReadWriteRequestAO.h"

    21 #include "CacheSource.h"

    22 

    23 CReadWriteRequestAO::CReadWriteRequestAO(CCacheSource& aSource,TRequestType aType )

    24 : CActive(CActive::EPriorityStandard),

    25 iSource(aSource),

    26 iType(aType),

    27 iError(KErrNone)

    28     {

    29     CActiveScheduler::Add(this);

    30     }

    31 

    32 CReadWriteRequestAO::~CReadWriteRequestAO()

    33     {

    34     Cancel();

    35     }

    36 

    37 CReadWriteRequestAO* CReadWriteRequestAO::NewL( CCacheSource& aSource,TRequestType aType )

    38     {

    39     CReadWriteRequestAO* self = new (ELeave)CReadWriteRequestAO( aSource,aType );

    40     CleanupStack::PushL( self );

    41     self->ConstructL();

    42     CleanupStack::Pop( self );

    43     return self;

    44     }

    45 

    46 void CReadWriteRequestAO::ConstructL()

    47     {

    48     }

    49 

    50 void CReadWriteRequestAO::SetActive()

    51     {

    52     if (!IsActive())

    53         {

    54         CActive::SetActive();

    55         }

    56     }

    57 

    58 TInt CReadWriteRequestAO::Error()

    59     {

    60     return iError;

    61     }

    62 

    63 // From CActive

    64 void CReadWriteRequestAO::RunL()

    65     {

    66     // Save the error code

    67     iError = iStatus.Int();

    68     // Signal the observer that this request is serviced

    69     iSource.ReadRequestComplete(this,iStatus);

    70     }

    71 

    72 void CReadWriteRequestAO::DoCancel()

    73     {

    74     if(iStatus.Int() != KErrNone)

    75         {

    76         TRequestStatus* status = &iStatus;

    77         User::RequestComplete(status,KErrCancel);

    78         }

    79     }

    80 

    81 TInt CReadWriteRequestAO::RunError( TInt /*aError*/ )

    82     {

    83     return KErrNone;

    84     }

    85 

    86 CMMFDataBuffer* CReadWriteRequestAO::Buffer()

    87     {

    88     return static_cast<CMMFDataBuffer*>(iBuffer);        

    89     }

    90 

    91 TInt CReadWriteRequestAO::SetBuffer(CMMFBuffer* aBuffer)

    92     {

    93     iBuffer = aBuffer; 

    94     return KErrNone;   

    95     }

    96 

    97 CReadWriteRequestAO::TRequestType CReadWriteRequestAO::RequestType()

    98     {

    99     return iType;       

   100     }

   101 

   102 // End of File

   103