// Copyright (c) 2005-2009 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

 @internalTechnology

*/

#ifndef IMAGEFRAMEBODY_H

#define IMAGEFRAMEBODY_H

#include <imageframe.h>

/**

CBody class implements the functionality declared in CImageFrame class.

It can be created as a wrapper around a RChunk or a descriptor.

*/

NONSHARABLE_CLASS( CImageFrame::CBody ): public CBase 

    {

    friend class CImageFrame;

private: 

    static CBody* NewL(CImageFrame& aHandle, const TDes8& aBuffer, TInt aMaxBufferSize);

    static CBody* NewL(CImageFrame& aHandle, const TDes8& aBuffer, TInt aMaxBufferSize,

				 	   	const TSize& aFrameSize, const TFrameFormatBase& aFrameFormat, const TFrameLayoutBase& aFrameLayout); 

	static CBody* NewL(CImageFrame& aHandle, const RChunk* aBuffer, TInt aMaxBufferSize, TInt aDataOffset);

	static CBody* NewL(CImageFrame& aHandle, const RChunk* aBuffer, TInt aMaxBufferSize,

					  TInt aDataOffset,	const TSize& aFrameSize, const TFrameFormatBase& aFrameFormat,const TFrameLayoutBase& aFrameLayout); 

 	~CBody();

	const TFrameFormatBase& FrameFormat() const;	

	void SetFrameFormatL(const TFrameFormatBase& aFormat);

	const TFrameLayoutBase& FrameLayout() const;	

	void SetFrameLayoutL(const TFrameLayoutBase& aFrameLayout);

	const TSize& FrameSizeInPixels() const;	

	void SetFrameSizeInPixels(const TSize& aFrameSize);

	TDes8& Data();

	const TDesC8& Data() const;

	RChunk& DataChunk();

	TInt DataOffset() const;

	TInt MaxBufferSize() const;

	TBool IsChunk() const;

    explicit CBody(CImageFrame& aHandle);

	CBody(CImageFrame& aHandle, const TDes8& aBuffer);

	void StoreChunkL(const RChunk* aBuffer, TInt aMaxBufferSize, TInt aDataOffset);

	void SetMaxSizeL(TInt aMaxBufferSize);	 

	void StoreAddParamL(const TSize& aFrameSize, const TFrameFormatBase& aFrameFormat, const TFrameLayoutBase& aFrameLayout);  

	void SetDefaultFormatL();

private:

	CImageFrame& 		iHandle; 

	//  Frame size in pixels        	 

   	TSize 				iFrameSize;

   	//  Image Frame specific layout		 

	TFrameLayoutBase* 	iLayout; 

	//  Image Frame format	  

	TFrameFormatBase*	iFormat; 

	//  pointer to the RChunk, represented by the CImageFrameRChunk object

    RChunk* 			iDataChunk;

    //  offset of the data from the start of the chunk

    TInt    			iDataOffset;

    //  8-bit pointer to the data.

    TPtr8				iBufferPtr;

    //  The maximum size allocated to this object by its creator

    TInt                iMaxBufferSize;

    // stores the info about the type of the present object

    TBool               iIsChunk;

    };

#endif //IMAGEFRAMEBODY_H