// 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:

//

#ifndef _HTTPTRANSACTION_H

#define _HTTPTRANSACTION_H

#include <http.h>

class CHttpExampleUtils;

class CBrowserTransaction;

class CHtmlHandler;

class MBrowserTransactionObserver 

	{

	public:

		virtual void OnTransactionCreateL ( const TDesC8& aUri, TBool aParseHtml ) = 0;

		virtual void OnTransactionClose ( CBrowserTransaction* aTrans ) = 0;

	};

// -------------------------------------------------------------------

class CBrowserTransaction : public CBase, public MHTTPTransactionCallback

	{

	public:

		enum TMimeType

			{

			eXml,

			eHtml,

			eUnknown				

			};

		virtual ~CBrowserTransaction();

		static CBrowserTransaction* NewLC ( RHTTPSession& aSession, 

											CHttpExampleUtils& aTestUtils,

											MBrowserTransactionObserver* aObserver,

											const TDesC& aFilePath,

											TBool aParseHtml  = EFalse  );

		static CBrowserTransaction* NewL ( 	RHTTPSession& aSession, 

											CHttpExampleUtils& aTestUtils,

											MBrowserTransactionObserver* aObserver,	

											const TDesC& aFilePath,

											TBool aParseHtml  = EFalse  );

		void CreateTransactionL ( const TDesC8& aUri );

		void StartTransactionL ();

		//

		// methods from MHTTPTransactionCallback

		//

		virtual void MHFRunL(RHTTPTransaction aTransaction, const THTTPEvent& aEvent);

		virtual TInt MHFRunError(TInt aError, RHTTPTransaction aTransaction, const THTTPEvent& aEvent);

	protected:

		CBrowserTransaction( RHTTPSession& aSession, CHttpExampleUtils& aTestUtils, MBrowserTransactionObserver* aObserver, TBool aParseHtml  = EFalse  );

		void ConstructL ( const TDesC& aFilePath );

	private:	

		void ExtractContentTypeL ( RHTTPResponse& aResponse, RStringF& aContentTypeValue );

		void LoadPluginL ( TMimeType aType );

		void SetAcceptHdrL ();

		TMimeType GetMimeType ( const RStringF& aType );

	private:

		RHTTPTransaction iTransaction;	

		RHTTPSession& iSession;	

		MBrowserTransactionObserver* iTransObserver;	

		CHttpExampleUtils& iTestUtils;

		HBufC* iFilePath;

		RFs iFileServer;

		RFile iRespBodyFile;

		MHTTPDataSupplier* iRespBody;	

		CHtmlHandler *iHtmlHandler;

		TBool iParseHtml;

		TBool iSavingBody;

	};

#endif // _HTTPTRANSACTION_H