/*

* Copyright (c) 2010 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:  Harvester message plugin

 *

*/

#ifndef CMESSAGEDATAHANDLER_H

#define CMESSAGEDATAHANDLER_H

//  INCLUDES 

#include <e32base.h>

#include <msvapi.h>

#include "cmessageplugin.h"

// FORWARD DECLARATIONS

class CMmsClientMtm;

class CSmsClientMtm;

class CClientMtmRegistry;

class CSmtpClientMtm;

class CPop3ClientMtm;

class CImap4ClientMtm;

class CMessageDataHandler : public CActive

	{

	/**

	 * Construction

	 * @return Harvester image plugin

	 */

	static CMessageDataHandler* NewL(CMessagePlugin& aMessagePlugin,

			CMsvSession& aSession);

	/**

	 * Destruction

	 */

	virtual ~CMessageDataHandler();

	/**

	 * Set a item to be indexed.

	 * @param TMsvId& aMessageId Id of message

	 * @param TCPixActionType aActionType Action type of item

	 * @param TMsvId& aFolderId Id of the folder where message is located

	 */

	void GatherDataL(TMsvId& aMessageId, TCPixActionType aActionType, TMsvId& aFolderId);

private:

	//From CActive

	/**

	 * From CACtive.

	 */

	void DoCancel();

	/**

	 * From CACtive.

	 */

	void RunL();

	/**

	 * From CActive.

	 * @param aError Leave code from RunL()

	 * @return Error code, KErrNone if error was handled successfully.

	 */

	TInt RunError(TInt aError);

	/**

	 * Check if the message is valid and what type it is.

	 * @param TMsvId aIdToCheck Id of the message

	 * @param TMsgInfo& aMessageType Reference to put message type

	 * @return TInt error, if any

	 */

	TInt IsValidMessageType(TMsvId aIdToCheck, TMsgType& aMessageType);

	/**

	 * Launch the next request. 

	 */

	void HandleNextRequest();

private:

	/**

	 * Private constructor

	 */

	CMessageDataHandler(CMessagePlugin& aMessagePlugin, CMsvSession& aSession);

	/**

	 * 2nd phase construction

	 */

	void ConstructL();

	/**

	 * Create a message item to be indexed based on the params.

	 * @param TMsvId& aMsvId Id of the item to be indexed

	 * @param TCPixActionType aAction type of the indexing event

	 * @param TFolderId& aFolderId Id of the folder where indexed message is located

	 */

	 void CreateMessageIndexItemL(const TMsvId& aMsvId, TCPixActionType aActionType, const TMsvId& aFolderId);

	 /**

	  * Creates general message excerpt

	  */

	 HBufC* CreateExcerptLC(const TDesC& aFromAddress, 

							const CDesCArray& aRecipientArray,

							const TDesC& aSubject,

							const TDesC& aBodyText,

							const TMsvId& aFolderId);

	 CSearchDocument* CreateSmsDocumentL(const TMsvId& aMsvId, const TMsvId& aFolderId);

	 CSearchDocument* CreateMmsDocumentL(const TMsvId& aMsvId, const TMsvId& aFolderId);

	 CSearchDocument* CreateEmailDocumentL(const TMsvId& aMsvId, const TMsvId& aFolderId);

	 TUint TextFileCharsetL(RFs aFs, RFile aFile);

	 void ConvertToUcs2FromUtfL(RFs& aFs,

								  TDes& aUcs2Text,

								  const TDesC8& aUtfText,

								  TUint aMibCharset);

	 TBool IsTextUcs2(const TDesC8& aText);

	 TBool TextContainsUtf8Bom(const TDesC8& aText);

private:

	class TMessageItem

		{

		public:

			TMessageItem(TMsvId aMessageId, TCPixActionType aActionType, TMsvId aFolderId)

				{

				iMessageId = aMessageId;

				iActionType = aActionType;

				iFolderId = aFolderId;

				}

			;

		public:

			TMsvId iMessageId;

			TCPixActionType iActionType;

			TMsvId iFolderId;

		};

private:

	// Message plugin handle

	CMessagePlugin& iMessagePlugin;

	// Session Message server session, own

	CMsvSession& iMsvSession;

	// Messages to be handled

	RArray<TMessageItem> iMessageArray;

	// Data sources

	CClientMtmRegistry*         iMtmReg;

	CMmsClientMtm*              iMmsMtm;

	CSmsClientMtm*              iSmsMtm;

	CSmtpClientMtm*             iSmtpMtm;                 // client for opening smtp

	CPop3ClientMtm*				iPop3Mtm;                   // client for opening pop3

	CImap4ClientMtm*			iImap4Mtm;                  // client for opening imap4

	RFs							iFs;

	};

#endif // CMESSAGEDATAHANDLER_H

// End of File