/*

* Copyright (c) 2002-2006 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:  Goes through folder tree one item at time

*

*/

#ifndef CFILEMANAGERFILESYSTEMITERATOR_H

#define CFILEMANAGERFILESYSTEMITERATOR_H

// INCLUDES

#include <e32base.h>

#include <f32file.h>

#include "Mfilemanageritemiterator.h"

class CFileManagerEngine;

/**

*  Goes through all the folder items of given folder. Implements the

*  MFileManagerItemIterator.

*

*  @lib FileManagerEngine.lib

*  @since 2.0

*/

NONSHARABLE_CLASS(CFileManagerFileSystemIterator) :

        public CBase,

        public MFileManagerItemIterator

    {

    public:

        /**

        * Two-phased constructor.

        */

        static CFileManagerFileSystemIterator* NewL( 

            RFs& aFs, 

            const TDesC& aSrcDir, 

            const TDesC& aDstDir,

            CFileManagerEngine& aEngine );

        /**

        * Destructor.

        */

        ~CFileManagerFileSystemIterator();

    public: // From MFileManagerItemIterator        

        void CurrentL(

            HBufC** aSrc, HBufC** aDst, TFileManagerTypeOfItem& aItemType );

        TBool NextL();

    public:

        /**

        * returns localized path 

        * @since 2.0

        * @return reference to localized path string

        */

        TPtrC   LocalizedAbbreviatedPath();

    private:

        /**

        * C++ default constructor.

        */

        CFileManagerFileSystemIterator(

            const TDesC& aDstDir, CFileManagerEngine& aEngine );

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL(  RFs& aFs, const TDesC& aSrcDir );

    private:

        // Own: With this folders are scan through

        CDirScan* iDirScan;

        // Own: CDirScan returns this, contains one folder content at time

        CDir*     iDir;

        // Index to current CDir array item which is processed

        TInt      iCount;

        // Own: Current item source fullpath

        // reserved here so that caller can then use this via reference

        HBufC*    iSrc;

        // Own: Current item destination fullpath

        // reserved here so that caller can then use this via reference

        HBufC*    iDst;

        // Ref: Destination directory

        const TDesC& iDstDir;

        // Set when all folders are gone through

        TBool     iFolderScanDone;

        // Own: Source directory 

        HBufC*    iSrcDir;

        // Ref: File Manager engine

        CFileManagerEngine& iEngine;

        // Own: Localized Abbreviated Path

        TFileName iLocalizedAbbreviatedPath;

    };

#endif // CFILEMANAGERFILESYSTEMITERATOR_H