/*

* 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:  This file contains the implementation of asynchronous AO object.

*

*/

// INCLUDES

#include "AsyncAO.h"

using namespace multimedia;

CAsyncAO::CAsyncAO( MAsyncAOObserver& aObserver )

:CActive(CActive::EPriorityStandard),

iObserver(aObserver)

    {

    CActiveScheduler::Add(this);

    }

CAsyncAO::~CAsyncAO()

    {

    Cancel();

    }

CAsyncAO* CAsyncAO::NewL( MAsyncAOObserver& aObserver )

    {

    CAsyncAO* self = new (ELeave) CAsyncAO(aObserver);

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;

    }

void CAsyncAO::ConstructL()

    {

    // No Implementation

    }

TInt CAsyncAO::SetActive()

    {

    TInt status(KErrInUse);

    if (!CActive::IsActive())

        {

        CActive::SetActive();

        status = KErrNone;

        }

    return status;

    }

void CAsyncAO::RunL()

    {

    iObserver.Event(iStatus.Int());

    }

void CAsyncAO::DoCancel()

    {

    if(iStatus.Int() != KErrNone)

        {

        TRequestStatus* status = &iStatus;

        User::RequestComplete(status,KErrCancel);

        }

    }

TInt CAsyncAO::Error( TInt /* aError */ )

    {

    // RunL left. The client callback function left. Incorrect callback

    // implementation. So ignore the leave and continue

    return KErrNone;

    }

//  End of File