/*

* 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:  Calculates directory size

*

*/

#ifndef CFILEMANAGERACTIVESIZE_H

#define CFILEMANAGERACTIVESIZE_H

// INCLUDES

#include <e32base.h>

#include <AknWaitNoteWrapper.h>

// FORWARD DECLARATIONS

class CDirScan;

// CLASS DECLARATION

/**

*  

*  Calculates folder size, one folder at time.

*

*  @lib FileManagerEngine.lib

*  @since 2.0

*/

NONSHARABLE_CLASS(CFileManagerActiveSize) : public CBase, 

                                            public MAknBackgroundProcess

    {

    public:

        /**

        * Two-phased constructor.

        */

        static CFileManagerActiveSize* NewL(

            RFs& aFs, const TDesC& aRootFolder );

        /**

        * Destructor.

        */

        ~CFileManagerActiveSize();

    public: // From MAknBackgroundProcess

        /**

         * Completes one cycle of the process.

         */

        void StepL();

        /**

         * Return true when the process is done.

         */

        TBool IsProcessDone() const;

    public:

        /**

        * Get the result, size of the folder

        * @since 2.0

        * @return Size of the folder in bytes

        */

        TInt64 GetFolderSize() const;

    private:

        /**

        * C++ default constructor.

        */

        CFileManagerActiveSize( RFs& aFs );

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL( const TDesC& aRootFolder );

    private: // Data

        /// Own: Used to go through all the folders in given directory

        CDirScan* iDirScan;

        /// Own: CDirScan returns this

        CDir* iDir;

        /// File Server session

        RFs& iFs;

        /// When all folders are through, this is set

        TBool iProcessDone;

        /// Index to currently checked CDir item

        TInt iFileCounter;

        // Folder Size

        TInt64 iSize;

    };

#endif      // CFILEMANAGERACTIVESIZE_H

// End of File