/*

* Copyright (c) 2009 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:

*

*/

// INCLUDE FILES

#include "menuengobjectfactory.h"

#include "menuengobject.h"

#include "menuengflags.h"

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

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

// CMenuEngObjectFactory::~CMenuEngObjectFactory

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

//

CMenuEngObjectFactory::~CMenuEngObjectFactory()

    {

    }

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

// CMenuEngObjectFactory::NewL

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

//

CMenuEngObjectFactory* CMenuEngObjectFactory::NewL( CMenuEng& aEng )

    {

    CMenuEngObjectFactory* factory =

        new (ELeave) CMenuEngObjectFactory( aEng );

    return factory;

    }

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

// CMenuEngObjectFactory::CMenuEngObjectFactory

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

//

CMenuEngObjectFactory::CMenuEngObjectFactory( CMenuEng& aEng )

: iEng( aEng )

    {

    }

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

// CMenuEngObjectFactory::GetContentObjectAndSetContextL

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

//

CGECOObjectBase* CMenuEngObjectFactory::GetContentObjectAndSetContextL

( const TDesC& aTypeIdentifier )

    {

    // Notes:

    // Here we create an object for all nodes, even for the ones we don't know.

    // (We can't check the type because of extensibility).

    // This is a problem, as not all XML nodes are part of the menu structure,

    // for example the "appshell:data" is not.

    //

    // Is it a solution to use an *exclusion* list of types here??

    CMenuEngObject* object = CMenuEngObject::NewL( iEng, aTypeIdentifier );

    SetContext( object );

    return object;

    }

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

// CMenuEngObjectFactory::InitializeObjectL

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

//

void CMenuEngObjectFactory::InitializeObjectL

( MGECOAttributeProvider& aAttributeProvider )

    {

    if ( iContext )

        {

        CMenuEngObject* context = (CMenuEngObject*)iContext;

        TPtrC name;

        TPtrC value;

        TBool localized;

        context->Reset();

        const TInt count = aAttributeProvider.NumAttributes();

        for ( TInt i = 0; i < count; i++ )

            {

            aAttributeProvider.AttributeDetailsL( i, name, value, localized );

            if ( KMenuAttrId() == name )

                {

                // "id" -> internal attribute, convert to integer.

                context->SetId( MenuEngId::AsInt( value ) );

                }

            else if ( KMenuAttrFlags() == name )

                {

                // "flags" -> internal attribute, convert to integer.

                context->SetFlags( MenuEngFlags::AsInt( value ), ETrue );

                CGECODefaultObject* defaultContext = (CGECODefaultObject*)context;

                defaultContext->RemoveAttribute(KMenuAttrFlags);

                }

            else

                {

                // Other attributes stored normally, in the object.

                context->SetInitialAttributeL( name, value, localized );

                }

            }

        }

    }

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

// CMenuEngObjectFactory::SetContext

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

//

TInt CMenuEngObjectFactory::SetContext( CGECOObjectBase* aContext )

    {

    iContext = aContext;

    return KErrNone;

    }

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

// CMenuEngObjectFactory::NumAttributes

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

//

TInt CMenuEngObjectFactory::NumAttributes()

    {

    TInt count = 0;

    if ( iContext )

        {

        count = 1; // We always have the ID.

        CMenuEngObject* context = (CMenuEngObject*)iContext;

        count += context->NumAttributes();

        if ( context->Flags( ETrue ) )

            {

            // Flags, if any, are written to XML as an attribute

            // named "flags".

            // The object cannot have an attribute with that name.

            count++;

            }

        }

    return count;

    }

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

// CMenuEngObjectFactory::AttributeDetailsL

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

//

void CMenuEngObjectFactory::AttributeDetailsL(

    const TInt aIndex,

    TPtrC& aAttrName, 

    TPtrC& aAttrValue,

    TBool& aIsLocalized )

    {

    if ( iContext )

        {

        CMenuEngObject* context = (CMenuEngObject*)iContext;

        if ( aIndex < context->NumAttributes() )

            {

            // External attributes retrieved normally, from the object.

            (void)context->GetAttribute

                ( aIndex, aAttrName, aAttrValue, aIsLocalized );

            }

        else if ( aIndex == context->NumAttributes() )

            {

            // "id" -> internal attribute, convert to string.

            MenuEngId::AsString( context->Id(), iBuf );

            aAttrName.Set( KMenuAttrId() );

            aAttrValue.Set( iBuf );

            aIsLocalized = EFalse;

            }

        else

            {

            // "flags" -> internal attribute, convert to string.

            __ASSERT_DEBUG( context->Flags( ETrue ), User::Invariant() );

            MenuEngFlags::AsString( context->Flags( ETrue ), iBuf );

            aAttrName.Set( KMenuAttrFlags() );

            aAttrValue.Set( iBuf );

            aIsLocalized = EFalse;

            }

        }

    }

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

// CMenuEngObjectFactory::AttributeDetailsL

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

//

void CMenuEngObjectFactory::AttributeDetailsL(

    const TInt aIndex,

    TPtrC& aAttrName, 

    TPtrC& aAttrValue )

    {

    CGECODefaultObjectFactory::AttributeDetailsL( aIndex, aAttrName, aAttrValue);

    }

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

// CMenuEngObjectFactory::HasTextData

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

//

TBool CMenuEngObjectFactory::HasTextData()

    {

    return EFalse;

    }

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

// CMenuEngObjectFactory::TextDetailsL

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

//

void CMenuEngObjectFactory::TextDetailsL

( TPtrC& /*aText*/, TBool& /*aIsLocalized*/ )

    {

    }

//  End of File