/*

* 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:  CVtUiFeatureBase implementation.

*

*/

// INCLUDE FILES

#include    "cvtuifeaturebase.h"

#include    "mvtuifeature.h"

#include    "cvtuicommandpolicymanager.h"

#include    <cvtlogger.h>

#include    "cvtuifeaturemanager.h"

// ============================ MEMBER FUNCTIONS ===============================

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

// CVtUiFeatureBase::CVtUiFeatureBase

// C++ constructor can NOT contain any code, that

// might leave.

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

//

CVtUiFeatureBase::CVtUiFeatureBase( TVtUiFeatureId aId,

    CVtUiFeatureManager& aFeatureManager ) : iId( aId ), 

    iFeatureManager ( aFeatureManager ),

    iFeatureState ( EUnprepared )

    {

    __VTPRINTENTER( "CVtUiFeatureBase.CVtUiFeatureBase" )

    __VTPRINTEXIT( "CVtUiFeatureBase.CVtUiFeatureBase" )

    }

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

// CVtUiFeatureBase::BaseConstructL

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

//

void CVtUiFeatureBase::StartL()

	{

	if ( iFeatureState == EUnprepared )

		{

		iAsyncCallback->Cancel();

		InitFeatureL();

		}

	}

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

// CVtUiFeatureBase::BaseConstructL

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

//

void CVtUiFeatureBase::BaseConstructL()

    {

    __VTPRINTENTER( "CVtUiFeatureBase.BaseConstructL" )

    iAsyncCallback = 

    	new ( ELeave ) CAsyncCallBack ( CActive::EPriorityLow );

    iAsyncCallback->Set( TCallBack( &DoInitFeaturesL, this ) );

    iAsyncCallback->CallBack(); 

    __VTPRINTEXIT( "CVtUiFeatureBase.BaseConstructL" )

    }

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

// CVtUiFeatureBase::~CVtUiFeatureBase

// Destructor.

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

//

CVtUiFeatureBase::~CVtUiFeatureBase()

    {

    __VTPRINTENTER( "CVtUiFeatureBase.~" )

    delete iAsyncCallback;

    __VTPRINTEXIT( "CVtUiFeatureBase.~" )

    }

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

// CVtUiFeatureBase::State

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

//

MVtUiFeature::TVtUiFeatureState CVtUiFeatureBase::State() const

    {

    __VTPRINTENTER( "CVtUiFeatureBase.State" )

    __VTPRINTEXITR( "CVtUiFeatureBase.State. %d", (TInt)iFeatureState )

    return iFeatureState;

    }

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

// CVtUiFeatureBase::Id

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

//

TVtUiFeatureId CVtUiFeatureBase::Id() const

    {

    __VTPRINTENTER( "CVtUiFeatureBase.Id" )

    __VTPRINTEXITR( "CVtUiFeatureBase.Id %d", iId )

    return iId;

    }

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

// CVtUiFeatureBase::DoInitFeaturesL

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

//  

TInt CVtUiFeatureBase::DoInitFeaturesL( TAny* aAny )

    {

    __VTPRINTENTER( "CVtUiFeatureBase.DoInitFeaturesL" )

    CVtUiFeatureBase* self = static_cast< CVtUiFeatureBase* >( aAny );

    self->InitFeatureL();

    __VTPRINTEXIT( "CVtUiFeatureBase.DoInitFeaturesL" )

    return KErrNone;

    }