/*

* Copyright (c) 2006-2007 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:  ?Description

*

*/

#ifndef IRHTTPDATAPROVIDEROBSERVER_H

#define IRHTTPDATAPROVIDEROBSERVER_H

#include <e32cmn.h>

/**

 * MIRHttpDataProviderObserver

 * passes events and responses body data with this interface. 

 * An instance of this class must be provided for construction of 

 * CIRHttpDataProvider.

 */

class MIRHttpDataProviderObserver

    {

public:

    /** 

     *  void MIRHttpDataProviderObserver::HttpEventComplete()

     *  Used to indicate HTTP event completion

     */

    virtual void HttpEventComplete() = 0;

    /** 

     *  void MIRHttpDataProviderObserver::HttpHeaderReceived( 

	 *  const TDesC8& aHeaderData )

     *  Used to indicate HTTP header is received

     */

    virtual void HttpHeaderReceived( const TDesC8 &aHeaderData ) = 0;

    /** 

     *  HttpDateHeaderReceived(const TDesC8 &aHeader, const TTime& aTime );

     *  Used to indicate HTTP header is received

     *  to be set in the request header

     */

    virtual void HttpDateHeaderReceived(const TDesC8 &aHeader,

    	const TTime& aTime ) = 0;

    /** 

     *  void MIRHttpDataProviderObserver::HttpBodyReceived( 

     *  const TDesC8& aBodyData )

     *  Used to indicate HTTP body is received

     */

    virtual void HttpBodyReceived( const TDesC8 &aBodyData ) = 0;

    /** 

     *  void MIRHttpDataProviderObserver::HttpTransactionError(

     *  TInt aErrorCode)

     *  Used to indicate HTTP Transaction error

     */

    virtual void HttpTransactionError( TInt aErrorCode ) = 0;

    /** 

     *  void MIRHttpDataProviderObserver::HttpResponseCodeRecieved(

     *  TInt aResponseCode)

     *  Used to indicate HTTP response code recieved

     */

    virtual void HttpResponseCodeRecieved( TInt aResponseCode ) = 0;

    };

#endif // IRHTTPDATAPROVIDEROBSERVER_H