/*

* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  Implementation of ReadRequestAO class.

*

*/

#include <mmfdatabuffer.h>

#include "ReadWriteRequestAO.h"

#include "CacheSource.h"

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

: CActive(CActive::EPriorityStandard),

iSource(aSource),

iType(aType),

iError(KErrNone)

    {

    CActiveScheduler::Add(this);

    }

CReadWriteRequestAO::~CReadWriteRequestAO()

    {

    Cancel();

    }

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

    {

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

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

void CReadWriteRequestAO::ConstructL()

    {

    }

void CReadWriteRequestAO::SetActive()

    {

    if (!IsActive())

        {

        CActive::SetActive();

        }

    }

TInt CReadWriteRequestAO::Error()

    {

    return iError;

    }

// From CActive

void CReadWriteRequestAO::RunL()

    {

    // Save the error code

    iError = iStatus.Int();

    // Signal the observer that this request is serviced

    iSource.ReadRequestComplete(this,iStatus);

    }

void CReadWriteRequestAO::DoCancel()

    {

    if(iStatus.Int() != KErrNone)

        {

        TRequestStatus* status = &iStatus;

        User::RequestComplete(status,KErrCancel);

        }

    }

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

    {

    return KErrNone;

    }

CMMFDataBuffer* CReadWriteRequestAO::Buffer()

    {

    return static_cast<CMMFDataBuffer*>(iBuffer);        

    }

TInt CReadWriteRequestAO::SetBuffer(CMMFBuffer* aBuffer)

    {

    iBuffer = aBuffer; 

    return KErrNone;   

    }

CReadWriteRequestAO::TRequestType CReadWriteRequestAO::RequestType()

    {

    return iType;       

    }

// End of File