// Copyright (c) 2007-2009 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:

//

#ifndef __CMSVPLAINBODYTEXTQUEUEENTRY_H__

#define __CMSVPLAINBODYTEXTQUEUEENTRY_H__

#include "cqueueentrybase.h"

#include "cstoreutilities.h"

class CMsvPlainBodyText;

/**

Used to hold chunk info when sorting chunks into the correct order.

@internalComponent

@prototype

*/

class CPlainBodyChunkInfo : public CBase

	{

public:

	static CPlainBodyChunkInfo* NewL(TInt aChunkNumber,HBufC8* aData);

	~CPlainBodyChunkInfo();

private:

	CPlainBodyChunkInfo(TInt aChunkNumber,HBufC8* aData);

	void ConstructL();

public:

	TInt iChunkNumber;

	HBufC8* iData;	

	};

/**

Used for requests to store body text.

@internalComponent

@prototype

*/

class CMsvPlainBodyTextQueueEntry : public CQueueEntryBase

	{

public:                            

	static CMsvPlainBodyTextQueueEntry* NewL(TInt aTotalChunks,CImapMailStore& aParent,CMsvServerEntry& aServerEntry,CImapSettings& aImapSettings,CFetchBodyInfo& aFetchBodyInfo,TInt aLogId,MMailStoreObserver& aObserver,MChunkOutOfOrderObserver& aChunkObserver, TBool aBinaryCap);

	~CMsvPlainBodyTextQueueEntry();

	TBool AddChunkL(HBufC8* aData,TInt aChunkNumber, TInt aExtraFetchRequestCount);

protected:

	virtual void RunL();

	virtual TInt RunError(TInt aError);

private:

	void ConstructL();

	CMsvPlainBodyTextQueueEntry(TInt aTotalChunks,CImapMailStore& aParent,CMsvServerEntry& aServerEntry,CImapSettings& aImapSettings,CFetchBodyInfo& aFetchBodyInfo,TInt aLogId,MMailStoreObserver& aObserver,MChunkOutOfOrderObserver& aChunkObserver, TBool aBinaryCap);

	static TInt CompareChunks(const CPlainBodyChunkInfo& aChunkBodyInfo1, const CPlainBodyChunkInfo& aChunkBodyInfo2);

private:

	/** Total no. of chunks to be fetched.*/

	TInt 								iTotalChunks;

	TInt 								iNextExpectedChunk;

	TImEncodingType 					iEncoding;

	/** The charsetid for the message being fetched.*/

	TUint 								iCharsetId;

	/** For a partial fetch this is the amount of data not being fetched */

	TInt32  							iBodyPartRemainingSize;

	/** Array to store the incoming chunk before it is written to message store.*/

	RPointerArray<CPlainBodyChunkInfo> 	iDataArray;

	/** Utility class for decoding the incoming data.*/

	CStoreUtilities* 					iStoreUtilities;

	CImapSettings& 						iImapSettings;

	TInt 								iLogId;

	/** The message store class to store received chunks.*/

	CMsvPlainBodyText* 					iPlainBodyText;

	CMsvStore* 							iStore;

	/** Observer to handle the receival of out of order chunks.*/

	MChunkOutOfOrderObserver& 			iChunkObserver;

	/** Indicates if the chunk is written to store so that it can be removed from the buffer array.*/

	TBool 								iReadyToRemoveChunk;

	/** Buffer which contains the chunk */

	HBufC8* 				iDecodedData;

#if (defined SYMBIAN_EMAIL_CAPABILITY_SUPPORT)		

	/** Flag to check if BINARY capability is set */

	TBool iBinaryCap;

	/** For message body download using Binary Fetch, this value indicates the extra Fetch Request given

	which is not required.

	*/

	TInt iExtraFetchRequestCount;

#endif

	};

#endif//_CMSVPLAINBODYTEXTQUEUEENTRY_H__