/** @file

* Copyright (c) 2005-2006 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:  UPnP container class implementation

*

*/

// INCLUDE FILES

#include    <upnpstring.h>

#include    <e32base.h>

#include    "upnpcontainer.h"

#include    "upnpitem.h"

#include    "upnpobjectlist.h"

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

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

// CUpnpContainer::CUpnpContainer

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

// might leave.

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

//

CUpnpContainer::CUpnpContainer()

    {

    }

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

// CUpnpContainer::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CUpnpContainer::ConstructL(  )

    {

    CUpnpObject::ConstructL(  );

    iObjects = CUpnpObjectList::NewL();

    }

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

// CUpnpContainer::NewL

// Two-phased constructor.

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

//

EXPORT_C CUpnpContainer* CUpnpContainer::NewL()

    {

    CUpnpContainer* self = new( ELeave ) CUpnpContainer;

    CleanupStack::PushL( self );

    self->ConstructL( );

    CleanupStack::Pop();

    return self;

    }

// Destructor

CUpnpContainer::~CUpnpContainer()

    {

    delete iObjects;

    }

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

// CUpnpContainer::AppendObjectL

// Appends object to internal array.

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

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

//

EXPORT_C void CUpnpContainer::AppendObjectL( CUpnpObject& aNewObject )

    {

    // Set the parent Id to this container 

    aNewObject.SetParentIdL( Id() );

    iObjects->AppendObjectL( aNewObject );

    }

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

// CUpnpContainer::RemoveObjectL

// Removes object from internal array according to ID.

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

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

//

EXPORT_C void CUpnpContainer::RemoveObjectL( const TDesC8& aObjectId )

    {

    iObjects->RemoveAndDestroy(aObjectId);

    }

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

// CUpnpContainer::FindObject

// Finds object from internal array according to id. Is recursive, so goes down

// the object tree.

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

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

//

EXPORT_C CUpnpObject* CUpnpContainer::FindObject( const TDesC8& aObjectId )

    {

    CUpnpObject* ret = NULL;

    if ( Id() == aObjectId )

        {

        ret = this;

        }

    else

        {

        for (TInt i = 0; i < iObjects->ObjectCount(); i++ )

            {

            if ( (*iObjects)[i]->ObjectType() == EUPnPContainer )

                {

                // Containers can contain more stuff --> recursive action needed.

                CUpnpObject* tmp = (static_cast<CUpnpContainer*>((*iObjects)[i]))

                                    ->FindObject( aObjectId );

                if ( tmp )

                    {

                    ret = tmp;

                    break;

                    }

                }

            else

                {

                // Need to check items

                if ( (*iObjects)[i]->Id() == aObjectId )

                    {

                    ret = (*iObjects)[i];

                    break;

                    }

                }

            }

        }

    return ret;

    }

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

// CUpnpContainer::ObjectCount

// Counts objects (including containers) from the object tree (recursive / not 

// recursive)

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

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

//

EXPORT_C TInt CUpnpContainer::ObjectCount()

    {

    return iObjects->ObjectCount();

    }

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

// CUpnpContainer::ExternalizeL

// Writes the content to stream.

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

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

//

EXPORT_C void CUpnpContainer::ExternalizeL( RWriteStream& aStream ) const

    {

    BaseExternalizeL( aStream );

    }

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

// CUpnpContainer::InternalizeL

// Fills container information from stream

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

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

//	

EXPORT_C void CUpnpContainer::InternalizeL( RReadStream& aStream )

    {

    BaseInternalizeL( aStream );

    }

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

// CUpnpContainer::ObjectType

// Returns item-type

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

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

//

TUPnPObjectType CUpnpContainer::ObjectType() const

    {

    return EUPnPContainer;

    }

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

// CUpnpContainer::ObjectType

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

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

//

EXPORT_C CUpnpObject* CUpnpContainer::operator[](TInt aIndex)

    {

    return (*iObjects)[aIndex];

    }

//  End of File