/*

* Copyright (c) 2007-2007 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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 CLiwIterable type

*

*/

#include <mclfitem.h>

#include <mclfitemlistmodel.h>

#include "mgitemslist.h"

#include "mgmediaitemfactory.h"

#include "mgmediaitem.h"

_LIT8( KMgFileNameAndPath, "FileNameAndPath" );

const TInt KStartItemIndex = -1;

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

// CMgItemsList::CMgItemsList

// Parameterised constructor

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

//

CMgItemsList::CMgItemsList( MCLFItemListModel* aItemListModel, TMgCmdId aCmdId )

            : iItemListModel(aItemListModel),

            	iCmdId(aCmdId),

              iCount(iItemListModel->ItemCount()),

              iCurrent(KStartItemIndex),

  						iMediaItem(NULL)

    {

    }

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

// CMgItemsList::NewL

// Two-phased constructor

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

//

CMgItemsList* CMgItemsList::NewL( MCLFItemListModel* aItemListModel, TMgCmdId aCmdId )

    {

    return new( ELeave ) CMgItemsList( aItemListModel, aCmdId );

    }

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

// CMgItemsList::~CMgItemsList

// Class destructor

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

//

CMgItemsList::~CMgItemsList()

    {

	delete iItemListModel;

  	delete iMediaItem;

	}

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

// CMgItemsList::Reset

// Resets the iterator to point to the beginning of list

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

//

void CMgItemsList::Reset()

    {

    iCurrent = KStartItemIndex;// if user resets the list

    }

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

// CMgItemsList::NextL

// Constructs the next media item in the form of a map

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

//

TBool CMgItemsList::NextL( TLiwVariant& aItem )

    {

    iCurrent++;

    if( iCurrent<iCount )

        {

        const MCLFItem& item = iItemListModel->Item( iCurrent );

        TPtrC fullPath;

        item.GetField( ECLFFieldIdFileNameAndPath, fullPath );

        CLiwDefaultMap *outputMap = CLiwDefaultMap::NewL();

        CleanupStack::PushL( outputMap );

        outputMap->InsertL( KMgFileNameAndPath,TLiwVariant( fullPath ) );

       // if( EMgGetFilesInfo == iCmdId )// if user requests for file metadata

            //{

            if( NULL == iMediaItem )

                {

            	iMediaItem = MgMediaItemFactory::GetMediaItemL( item );

       	        if( NULL == iMediaItem )

       	            {

       	    		return KErrNotSupported;

       	        	}

                }

           	iMediaItem->FillInfoL( outputMap, item );

            //}

	    aItem.SetL( TLiwVariant( outputMap ) );

	    if( outputMap )

		    {

		    outputMap->DecRef();

		    }

	    CleanupStack::Pop( outputMap );

        return ETrue;

        }

    else

        {

        return EFalse;

        }

    }