// Copyright (c) 2003-2009 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 __CHTTPCONNECTFILTER_H__

#define __CHTTPCONNECTFILTER_H__

#include <e32base.h>

#include <http/mhttpfilter.h>

#include <http/rhttpsession.h>

#include <stringpool.h>

#include "mhttpconnectobserver.h"

#include "thttpconnectcallback.h"

class CHttpConnectFilter : public CBase, 

						   public MHTTPFilter,

						   public MHttpConnectObserver

	{

public:

	static CHttpConnectFilter* NewL(RHTTPSession aSession);

	virtual ~CHttpConnectFilter();

private:	// methods from MHTTPFilterBase

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

	virtual void MHFSessionRunL(const THTTPSessionEvent& aEvent);

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

	virtual TInt MHFSessionRunError(TInt aError, const THTTPSessionEvent& aEvent);

private:	// methods from MHTTPFilter

	virtual void MHFUnload(RHTTPSession aSession, THTTPFilterHandle aHandle);

	virtual void MHFLoad(RHTTPSession aSession, THTTPFilterHandle aHandle);

private:	// methods from MHttpConnectObserver

	virtual void ConnectCompleteL(TInt aConnectId);

	virtual void ConnectErrorL(TInt aConnectId);

	virtual void FailPendingTransactions(TInt aConnectId);	

private:

	class TPendingTransaction

		{

	public:

		inline TPendingTransaction();

		inline TPendingTransaction(RHTTPTransaction aTransaction, TInt aId);

	public:

		RHTTPTransaction	iPendingTransaction;

		TInt				iConnectId;

		};

private:

	CHttpConnectFilter(RHTTPSession aSession);

	void ConstructL();

	TInt FindConnectRequest(RStringF aTunnelHost, RStringF aProxy);

	TInt CreateConnectTransactionL(RStringF aTunnelHost, RStringF aProxy, RStringF aUserAgent, RStringF aProfile);

	void CloseConnectTransaction(TInt aConnectId);

private:

	TInt			iLoadCount;

	RHTTPSession	iSession;

	const TStringTable& iStringTable;

	RStringPool		iStringPool;

	THttpConnectCallback	iCallback;

	RArray<RHTTPTransaction>	iConnectTransactions;

	RArray<TPendingTransaction>	iPendingTransactions;

	RHTTPTransaction	iNewConnectTransaction;

	TBool				iCloseConnectTransaction;

	};

inline CHttpConnectFilter::TPendingTransaction::TPendingTransaction()

	{

	}

inline CHttpConnectFilter::TPendingTransaction::TPendingTransaction(

																   RHTTPTransaction	aTransaction, 

																   TInt				aId

																   )

: iPendingTransaction(aTransaction), iConnectId(aId)

	{

	}

#endif	//__CHTTPCONNECTFILTER_H_