/*

* Copyright (c) 2004, 2005 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:  File handling utility. 

*

*/

#ifndef SVGTFILEMANGER_H

#define SVGTFILEMANGER_H

//  INCLUDES

#include <f32file.h>

#include <e32base.h>

// CONSTANTS

const TInt KSVGTOneSecond(1000000);

const TInt KSVGTOneMinute(60*KSVGTOneSecond);

const TInt KOneHourInSeconds(3600);

const TInt KSVGTPercent(100);

// CLASS DECLARATION

/**

*  CSVGTFileManager

*  File operations

*

*  @lib SVGTUIControl.lib

*  @since 3.0

*/

NONSHARABLE_CLASS(CSVGTFileManager) : public CActive, 

                                      public MFileManObserver

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        */

        IMPORT_C static CSVGTFileManager* NewL();

        /**

        * Destructor.

        */

        IMPORT_C virtual ~CSVGTFileManager();

    public: // New functions

        /**

        * Starts async copy operation

        * @since 3.0

        * @param aCallback Callback to UI side

        * @param anOld source

        * @param aNew target

        * @return KErrDiskFull if mmc full, KErrNone if succesful.

        */

        IMPORT_C TInt StartCopyOperationL( MSVGTUISaveListener* aCallback,  

                                        const TDesC& anOld,const TDesC& aNew );

        /**

        * Starts async copy operation

        * @since 3.0

        * @param aCallback Callback to UI side

        * @param aFileHandle source

        * @param aNew target

        * @return KErrDiskFull if mmc full, KErrNone if succesful.

        */

        IMPORT_C TInt StartCopyOperationL( MSVGTUISaveListener* aCallback,  

                                       RFile& aFileHandle, const TDesC& aNew );

        /**

        * Cancels async copy operation

        * @since 3.0

        * @return void

        */

        IMPORT_C void CancelCopy();

        /**

        * Sets iMove if moving is preferred instead of copy.

        * @param Document handler EGenericParamAllowMove parameter value.

        * @since 2.8

        */ 

        IMPORT_C void SetAllowMove( TInt32 aValue ); 

   public: // Functions from MFileManObserver

       /** @see MFileManObserver::NotifyFileManOperation */

       MFileManObserver::TControl NotifyFileManOperation();

   private: // Constructors

        /**

        * C++ default constructor.

        */

        CSVGTFileManager();

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL();

    private: // From CActive    

        /** @see CActive::RunL() */

        void RunL();

        /** @see CActive::DoCancel() */

        void DoCancel();

    private: // New fuctions

        /** 

        * Timer callback for UI progress update

        * @since 3.0

        * @param aPtr Pointer to callback class

        * @return KErrNone

        */

        static TInt ProgressUpdate(TAny* aPtr);

        /**

        * Do progress update 

        * @since 3.0

        * @return void

        */

        void DoProgressUpdate();

#ifdef SVGTVIEWERAPP_DBG_FLAG        

        void PrintDebugMsg( const TDesC&  aMsg );

#endif        

    private:    // Data

        TInt iFileSize;

        TInt iPosition;

        TBool iCancel;

        CFileMan* iFileMan;        

        MSVGTUISaveListener* iCallback; // not owned

        CPeriodic* iProgressUpdater;

        CEikonEnv* iEikEnv;

        TBool iMove; 

    };

#endif      // SVGTFILEMANGER_H 

// End of File