/*

 * Copyright (c) 2007 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 is the implementation of the CallAudioControlProperty class.

 *

 */

// INCLUDE FILES

#include "CallAudioControlCommon.h"

#include "CallAudioControlProperty.h"

#include "CallAudioControlImpl.h"

// -----------------------------------------------------------------------------

// CCallAudioControlProperty::NewL

//

// -----------------------------------------------------------------------------

//

CCallAudioControlProperty* CCallAudioControlProperty::NewL(

        CCallAudioControlImpl* aImplParent, const TUid aUid,

        const TUint32 aKey, TAction aAction)

    {

    CCallAudioControlProperty* self =

            new (ELeave) CCallAudioControlProperty();

    CleanupStack::PushL(self);

    self->ConstructL(aImplParent, aUid, aKey, aAction);

    CleanupStack::Pop(self);

    return self;

    }

// -----------------------------------------------------------------------------

// CCallAudioControlProperty::CCallAudioControlProperty

// C++ constructor.

// -----------------------------------------------------------------------------

//

CCallAudioControlProperty::CCallAudioControlProperty() :

    CActive(EPriorityNormal) // , iSubscribed(EFalse)

    {

    }

// -----------------------------------------------------------------------------

// CCallAudioControlProperty::ConstructL

// Symbian 2nd phase constructor can leave.

// -----------------------------------------------------------------------------

//

void CCallAudioControlProperty::ConstructL(

        CCallAudioControlImpl* aImplParent, const TUid aUid,

        const TUint32 aKey, TAction aAction)

    {

    CAC_TRACE1(_L("CCallAudioControlProperty::ConstructL enter"));

    iImplParent = aImplParent;

    iAction = aAction;

    //Attach to P&S variable:

    User::LeaveIfError(iProperty.Attach(aUid, aKey));

    CActiveScheduler::Add(this);

    CAC_TRACE1(_L("CCallAudioControlProperty::ConstructL exit"));

    }

// -----------------------------------------------------------------------------

// CCallAudioControlProperty::DestructL

// Destructor

// -----------------------------------------------------------------------------

//

CCallAudioControlProperty::~CCallAudioControlProperty()

    {

    CAC_TRACE2(_L("CCallAudioControlProperty[%x]::~CCallAudioControlProperty enter"),this);

    // Cancel possibly outstanding asynchronous requests

    Cancel();

    // Release the property handle

    iProperty.Close();

    CAC_TRACE2(_L("CCallAudioControlProperty[%x]::~CCallAudioControlProperty exit"),this);

    }

// ---------------------------------------------------------

// CCallAudioControlProperty::Subscribe

// ?implementation_description

// (other items were commented in a header).

// ---------------------------------------------------------

//

void CCallAudioControlProperty::Subscribe()

    {

    CAC_TRACE2(_L("CCallAudioControlProperty[%x]::Subscribe"),this);

    if (!IsActive())

        {

        iProperty.Subscribe(iStatus);

        SetActive();

        }

    // iSubscribed = ETrue;

    CAC_TRACE2(_L("CCallAudioControlProperty[%x]::Subscribe: SetActive..."),this);

    }

// ---------------------------------------------------------

// CCallAudioControlProperty::Unsubscribe

// ?implementation_description

// (other items were commented in a header).

// ---------------------------------------------------------

//

void CCallAudioControlProperty::Unsubscribe()

    {

    CAC_TRACE2(_L("CCallAudioControlProperty[%x]::Unsubscribe"),this);

    iProperty.Cancel();

    Cancel();

    // iSubscribed = EFalse;

    }

// -----------------------------------------------------------------------------

// CCallAudioControlProperty::Get

// -----------------------------------------------------------------------------

//

TInt CCallAudioControlProperty::Get(TInt& aValue)

    {

    CAC_TRACE2(_L("CCallAudioControlProperty[%x]::Get"), this);

    TInt error = iProperty.Get(aValue);

    return error;

    }

// -----------------------------------------------------------------------------

// CCallAudioControlProperty::Set

// -----------------------------------------------------------------------------

//

TInt CCallAudioControlProperty::Set(TInt aValue)

    {

    CAC_TRACE2(_L("CCallAudioControlProperty[%x]::Set"), this);

    TInt error = iProperty.Set(aValue);

    return error;

    }

//

// Methods required for CActive

//

// -----------------------------------------------------------------------------

// CCallAudioControlProperty::DoCancel

// -----------------------------------------------------------------------------

//

void CCallAudioControlProperty::DoCancel()

    {

    iProperty.Cancel();

    }

// -----------------------------------------------------------------------------

// CCallAudioControlProperty::RunL

// -----------------------------------------------------------------------------

//

void CCallAudioControlProperty::RunL()

    {

    CAC_TRACE2(_L("CCallAudioControlProperty[%x]::RunL enter"), this);

    TInt value;

    TInt err(KErrNone);

    if ( iStatus.Int() != KErrCancel )

        {    

        // Set self up for future notifications:

        // iSubscribed = EFalse;

        Subscribe();

        err = iProperty.Get(value);

        if (err != KErrNone)

            {

            CAC_TRACE3(_L("CCallAudioControlProperty[%x]::RunL ERROR From Get: %d"), this, err);

            }

        else

            {

            CAC_TRACE2(_L("RunL: New value = %d..."), value);

            // Notify CallAudioControl of change:

            if (iImplParent != NULL)

                {

                CAC_TRACE1(_L("RunL: Calling NotifyL on CACImpl..."));

                iImplParent->NotifyL(iAction, err, value);

                }

            }

        }

    CAC_TRACE2(_L("CCallAudioControlProperty[%x]::RunL exit"), this);

    }

// -----------------------------------------------------------------------------

// CCallAudioControlProperty::RunError

// -----------------------------------------------------------------------------

//

TInt CCallAudioControlProperty::RunError()

    {

    return KErrNone;

    }

// End of file