/*

* Copyright (c) 2002-2004 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:  Utility. Creates progress info string from given data.

*

*/

#ifndef PROGRESSINFOCREATOR_H

#define PROGRESSINFOCREATOR_H

//  INCLUDES

#include <e32base.h>

#include <e32def.h>

#include <e32std.h>

// FORWARD DECLARATIONS

class CCoeEnv;

// CLASS DECLARATION

/**

*  Utility.

*  It requires that DownloadMgrUiLib.rsc be loaded!

*

*  @lib Download Manager UI Lib

*  @since Series 60 2.8

*/

NONSHARABLE_CLASS( CProgressInfoCreator ) : public CBase

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        */

        static CProgressInfoCreator* NewL();

        /**

        * Destructor.

        */

        virtual ~CProgressInfoCreator();

    public: // New functions

        /**

        * Construct progress info string containing size info according 

        * to the specification.

        * @param aSize The size in bytes.

        * @param aResult The result is written into this buffer. Must be great enough!

        * @return None.

        */      

        void ProgressInfo( TInt32 aSize, TDes& aResult );

        /**

        * Construct progress info string containing percentage and size info.

        * @param aPartialSize The partial size in bytes.

        * @param aFullSize The full size in bytes.

        * @param aResult The result is written into this buffer. Must be great enough!

        * @return None.

        */      

        void ProgressInfo( TInt32 aPartialSize, TInt32 aFullSize, TDes& aResult );

        /**

        * Divides the given parameters, and returns the result

        * as a formatted string.

        * @param aNumerator The numerator of the division.

        * @param aDenominator The denominator of the division.

        * @param aResult The result is written into this buffer. Must be great enough!

        * @return None.

        */      

		void Division( TInt aNumerator, TInt aDenominator, TDes& aResult );

    protected: // Constructors

        /**

        * C++ default constructor.

        */

        CProgressInfoCreator();

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL();

    private:  // Data

        CCoeEnv& iCoeEnv; ///< Reference to CONE environment.

        HBufC* iUnitKbFormatString; ///< Owned.

        HBufC* iUnitMbFormatString; ///< Owned.

        HBufC* iUnitPcFormatString; ///< Owned.

        /**

        * Formatted MB. 4 characters are enough, but allocate a bigger buffer. 

        * It is a result buffer of DivisionL() method.

        */

        TBuf<16> iFormattedMegaBytes;

        /**

        * 7 characters should be enough, but allocate a bigger buffer.

        * It is a result buffer of ProgressInfoL(2) method.

        */

        TBuf<16> iPartialSizeString;

        /** 

        * Temporary buffers for the DivisionL() method.

        * Max 3 characters for the quotient + 1 for the separator + 

        * 2 for the remainder = 6 characters.

        */

        TBuf<6> iDivResult;

        TUint64 iTUint64Helper1;

        TUint64 iTUint64Helper2;

    };

#endif /* PROGRESSINFOCREATOR_H */