/*

* Copyright (c) 2009 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 manager for managing file copy op

*

*/

#ifndef CMRFILEMANAGER_H

#define CMRFILEMANAGER_H

// INCLUDES

#include <e32base.h>

#include <f32file.h> // RFs

#include <s32file.h> // Streams

#include <badesca.h> // CDesCArrayFlat

// FORWARD DECLARATIONS

class MDesC16Array;

// CLASS DECLARATIONS

/**

 * Notification interface for copy operation

 */

class MMRFileManObserver

	{

	public:

		virtual void NotifyStartL( const TDesC& aFilename ) = 0;

		virtual void NotifyProgress( TInt aBytesCopied ) = 0;

		virtual void NotifyEnd() = 0;

		virtual void NotifyError( TInt aError ) = 0;

	protected:

		virtual ~MMRFileManObserver(){}

	};

/**

 * Class for managing async file copy operations

 */

NONSHARABLE_CLASS( CMRFileManager ) : public CActive

	{

	public: // c'tor and d'tor

		static CMRFileManager* NewL( RFs& aFs );

		~CMRFileManager();

	public: // Interface

		void CopyFilesL( MDesC16Array& aFilenameArray );

		void CopyFileL( const TDesC& aSourceFilename, const TDesC& aDestFilename );

		void CopyFileL( RFile& aSource, RFile& aDest );

		void CancelOp();

		void SetObserver( MMRFileManObserver& aObserver );

		MDesC16Array& CopiedFiles() const;

	public: // From CActive

		void RunL();

		TInt RunError( TInt aError );

		void DoCancel();

	private: // Impl

		CMRFileManager( RFs& aFs );

		void ConstructL();

		void AsyncOp();

		void CopyFileL();

		void PrepareNextFileL();

	private: // Data

		enum TState

			{

			ECopyFile,

			ECancelled,

			EDone

			} iState;

		RFs& iFs;

		///

		RFileReadStream iReadStream;

		///

		RFileWriteStream iWriteStream;

		/// Own:

		CDesCArrayFlat* iFileArray;

		/// Own:

		CDesCArrayFlat* iOutputFileArray;

		/// Own: current file index

		TInt iFileIndex;

		/// Own:

		HBufC* iCurrentFilename;

		/// Own:

		HBufC* iTempFilename;

		/// Ref:

		MMRFileManObserver* iObserver;

	};

#endif // CMRFILEMANAGER_H

// End of file