/*

* Copyright (c) 2006 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: HttpHandler is used for HTTP connection components testing

*

*/

#ifndef HTTPHANDLER_H

#define HTTPHANDLER_H

// INCLUDES

#include <in_sock.h>

#include <http.h>

#include <http/mhttpauthenticationcallback.h>

// CONSTANTS

const TInt KMaxContentTypeSize = 64;

// FORWARD DECLARATIONS

class MUINotify;

class CHttpEventHandler;

class CSettingData;

// CLASS DECLARATION

/**

*  CHttpClient

*  

*  Class for initiating HTTP transaction.

*/

class CHttpClient : public CBase, public MHTTPDataSupplier, 

public MHTTPAuthenticationCallback

{

public:

    virtual ~CHttpClient();

    static CHttpClient* NewLC(MUINotify& aConsole);

    static CHttpClient* NewL(MUINotify& aConsole);

    /**

    * Start http request

    */

    void InvokeHttpMethodL(const CSettingData* aData, TBool aHasBody, TBool aIsSecure);

    /**

    * Set connection info for HTTP FW session

    */

    void SetHttpConnectionInfoL( TBool aUseOwnConnection, 

                                 RConnection& aConnection, 

                                 RSocketServ& aSocketServ );

    /**

    * Set throughput calculation on or off.

    */

    void SetPerformance(const TBool aValue);

    /**

    * Methods inherited from MHTTPDataSupplier

    */

    virtual TBool GetNextDataPart(TPtrC8& aDataPart);

    virtual void ReleaseData();

    virtual TInt OverallDataSize();

    virtual TInt Reset();

    /**

    * Methods inherited from MHTTPAuthenticationCallback

    */

    virtual TBool GetCredentialsL(const TUriC8& aURI, RString aRealm, 

        RStringF aAuthenticationType,

        RString& aUsername, 

        RString& aPassword);

protected:

    CHttpClient(MUINotify& aConsole);

    void ConstructL();

private:

    enum TMenuItems

    {

        EGet,

            EPost,

            EHead,

            ETrace,

            EToggleVerbosity,

            EQuit

    };

    /**

    * Display performance information when sending POST.

    */

    void DisplayTimeElapsed();

    /**

    * Set HTTP request header for http fw.

    */

    void SetHeaderL(RHTTPHeaders aHeaders, TInt aHdrField, const TDesC8& aHdrValue);

private:

    RHTTPSession         iHttpSession;

    TTime                iLastTimeStamp;

    TInt                 iDataChunkCount;

    RHTTPTransaction     iTrans;

    CHttpEventHandler*   iTransObs;

    HBufC8*              iReqBodySubmitBuffer;

    TPtr8                iReqBodySubmitBufferPtr;

    TBool                iNoMoreDate;

    MUINotify&           iConsole;

    CSettingData*        iSettingData;

    TBool                iDoPerformance;

    TBuf<KMaxContentTypeSize> iReqBodyContentType; // not used now

};

/**

*  CHttpEventHandler

*  

*  Handles all events for the active HTTP transaction.

*/

class CHttpEventHandler : public CBase, public MHTTPTransactionCallback

{

public:

    virtual ~CHttpEventHandler();

    static CHttpEventHandler* NewLC(MUINotify& aConsole);

    static CHttpEventHandler* NewL(MUINotify& aConsole);

    /**

    * Turn performance measurement on/off

    */

    void SetPerformance(const TBool aValue){iDoPerformance = aValue;};

    /**

    * Methods from MHTTPTransactionCallback

    */

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

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

protected:

    CHttpEventHandler(MUINotify& aConsole);

    void ConstructL();

private:

    void DumpRespHeadersL(RHTTPTransaction& aTrans);

    void DumpRespBody(RHTTPTransaction& aTrans);

    MHTTPDataSupplier*   iRespBody;

    MUINotify&           iConsole; // console for displaying text etc

    TTime                iStartTime;

    TBool                iDoPerformance;

};

#endif // HTTPHANDLER_H