/*

* Copyright (c) 2010 Ixonos Plc.

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the "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:

* Ixonos Plc

*

* Description:  

*

*/

#ifndef JPEGROTATORIMPL_H

#define JPEGROTATORIMPL_H

// INCLUDES

#include "JpegRotator.h"

#include "MJpRotateCallBack.h"

// debug log writer

//#include "imageeditordebugutils.h"

// CONSTANTS

// FORWARD DECLARATIONS

class CJpRotate;

/*	CLASS: 	CJpegRotatorImpl

*

*	CJpegRotatorImpl

*	Internal representation of CJpegRotator

*

*/

class CJpegRotatorImpl : public CBase, public MJpRotateCallBack

{

public:

/** @name Methods:*/

//@{

	/** NewL factory method, pops cleanup stack

	*

	*	@param - aFsSession

	*	@return pointer to created CJpegRotatorImpl object

	*/

	static CJpegRotatorImpl * NewL (RFs& aFsSession);

	/** Destructor

	*

	*	@param -

	*	@return -

	*/

	~CJpegRotatorImpl ();

	/** PrepareRotateFileL

	*

	*	@param aRotationMode - 

	*	@param aSourceFileName - 

	*	@param aTargetFileName -

	*	@param aHandleExifData -

	*	@return -

	*/

    void PrepareRotateFileL (

        const TDesC& aSourceFileName,

        const TDesC& aTargetFileName,

        CJpegRotator::TRotationMode aRotationMode,

        TBool aHandleExifData

        );

	/** Start asynchronous rotate

	*

	*	@param - aStatus

    *   @param - aStatus

	*/

    void StartAsyncRotate (TRequestStatus& aStatus, TBool aForceLossyMode);

	/** Start asynchronous rotate

	*

	*	@param - aStatus

	*/

    void StartAsyncLosslessRotate (TRequestStatus& aStatus);

	/** Finish asynchronous rotate

	*

	*	@param - aError

	*	@return -

	*/

    void FinishAsyncRotate (TInt aError);

	/** IsLosslessRotatePossible

    *

    *   Check if the image dimensions are suitable for the use of

    *   rajpeg lossless rotate (divisible by 8)

	*/

    TBool IsLosslessRotatePossible() const;

	/** Cancel

    *   

    *   Set cancel flag.

	*/

    void Cancel ();

    /** SetExifData

	*

	*	@see MImageEditorExifHandlerObserver

	*/

	void SetExifData (TUint8* aExifData, TUint aDataSize);

    /** GetThumbnailImageL

	*

	*	@see MImageEditorExifHandlerObserver

	*/

	void GetThumbnailImageL (

        TUint8*& aThumbnailData, 

        TUint& aDataSize, 

        const TSize& aThumbnailResolution

        );

    /** SetJpegCommentL

	*

	*	@see MImageEditorExifHandlerObserver

	*/

    void SetJpegCommentL (const TDesC8& aComment);

    /** GetOutputImageSize

	*

	*	@see MImageEditorExifHandlerObserver

	*/

	void GetOutputImageSize ( TInt& aWidth, TInt& aHeight ) const;

    /** JpRotateStatus

	*

	*	@see MJpRotateCallBack

	*/

    void JpRotateStatus( TInt aCount, TInt aTotal );

//@}

protected:

/** @name Methods:*/

//@{

//@}

private:

/** @name Methods:*/

//@{

	/** Default constructor

	*

	*	@param - aFsSession

	*	@return -

	*/

	CJpegRotatorImpl (RFs& aFsSession);

	/** Second phase constructor, may leave

	*

	*	@param -

	*	@return -

	*/

	void ConstructL ();

	/** Cleanup

	*

	*	@param -

	*	@return -

	*/

	void Cleanup ();

    /** AsyncRotate

	*

	*	@param - 

	*	@return -

	*/

    static TInt AsyncRotate (TAny* aThis);

    /** AsyncLosslessRotate

	*

	*	@param - 

	*	@return -

	*/

    static TInt AsyncLosslessRotate (TAny* aThis);

    /** DoRotateL

	*

	*	@param - 

	*	@return -

	*/

    void DoRotateL ();

    /** DoLosslessRotateL

	*

	*	@param - 

	*	@return -

	*/

    void DoLosslessRotateL ();

	/** GetSourceImagePropertiesL

	*

	*	@param - 

	*	@return -

	*/

    void GetSourceImagePropertiesL ( const TDesC& aFileName );

	/** PostRotate

	*

	*/

    void PostRotate ();

//@}

/** @name Members:*/

//@{

    /// File Server session handle

    RFs& 						iFsSession;

    /// Source and target files

    TFileName					iSourceFileName;

    TFileName					iTargetFileName;

    /// Current rotate mode 

    TInt        				iRotationMode;

    /// Rotator

    CJpRotate*                  iRotator;

    /// Do we update EXIF data or not?

    TBool 						iHandleExifData;

    /// Quality factor of the original image

    TUint						iOriginalJpegQualityFactor;

    /// Size of the source image

    TSize 						iSourceImageSize;

    /// 

    TRequestStatus *			iCallerStatus;

    ///

    CAsyncCallBack *			iCallBack;

    ///

    TCallBack                   iCb;

    /// Lossless mode

    TBool                       iLosslessMode;

    /// Cancel flag

    TBool                       iCancelled;

#if defined (LOG_TIMING)

    TTime                       iStartTime;

    TTime                       iSavingStartTime;

    TTime                       iFinishTime;

#endif

//@}

};

#endif

// End of File