/*

* 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: Implements class TFsScrollBarFactory

*

*/

#include "emailtrace.h"

#include <alf/alfconstants.h>

#include <alf/alflayouthandlers.h>

#include "fsscrollbarfactory.h"

#include "fsscrollbarlayouthandler.h"

#include "fsscrollbarpluginconstants.h"

// ======== LOCAL FUNCTIONS ========

MAlfExtensionFactory* Instance()

    FUNC_LOG;

const TImplementationProxy ImplementationTable[] =

    IMPLEMENTATION_PROXY_ENTRY( KFsScrollbarImplementationId,

EXPORT_C const TImplementationProxy* ImplementationGroupProxy(

    TInt& aTableCount )

        / sizeof( TImplementationProxy ) ;

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

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

// From class MAlfExtensionFactory.

// Creates new instace of required type (unique for factory) Must not take

// ownership of created object.

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

//

MAlfExtension* TFsScrollbarFactory::CreateExtensionL(

    const TInt aObjectId,

    const TDesC8& aInitialParams,

    MAlfInterfaceProvider& aResolver )

    {

    FUNC_LOG;

    MAlfExtension* result( NULL );

    switch ( aObjectId )

        {

        case EFsScrollbarCreateScreenLayout:

            {

            TInt2* params = ( TInt2* )aInitialParams.Ptr();

            CHuiControl* owner( NULL );

            CHuiLayout* parentLayout( NULL );

            if ( !params->iInt1 )

                {

                User::Leave( KErrArgument );

                }

            else

                {

                // currently we must use concrete owner as interface does not

                // provide means to transfer ownership

                owner = ( CHuiControl* )aResolver.GetInterfaceL(

                    EHuiObjectTypeControl, params->iInt1 );

                }

            if (params->iInt2) // not compulsory

                {

                parentLayout = ( CHuiLayout* )aResolver.GetInterfaceL(

                    EHuiObjectTypeLayout, params->iInt2 );

                }

            result = CFsScrollbarLayoutHandler::NewL(

                aResolver, owner, parentLayout );

            break;

            }

        default:

            User::Leave( KErrNotSupported );

        }

    return result;

    }

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

// From class MAlfExtensionFactory.

// Free resources for instance, usually delete this

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

//

void TFsScrollbarFactory::Release()

    {

    FUNC_LOG;

    delete this;

    }