/*

* Copyright (c) 2004 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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: 

*     This file contains the definition of transaction observer of Download Mgr Server.

*

*/

#ifndef __DOWNLOADMGR_TRANSOBSERVER_H__

#define __DOWNLOADMGR_TRANSOBSERVER_H__

#include <e32base.h>

#include <f32file.h>

#include <http.h>

// FORWARD DECLARATIONS

class RHttpDownload;

// CLASS DECLARATION

/**

*  Handles the responses of the asyncron services.

*  It can be created by a RHttpDownloadMgr session or 

*  RHttpDownload subsession.

*

*  @lib -

*  @since Series 60 2.8

*/

NONSHARABLE_CLASS( CTransactionObserver ) : public CBase,

                                            public MHTTPTransactionCallback

	{

    public:

        /**

        * Two-phased constructor.

        */

        static CTransactionObserver* NewL( RHttpDownload* aDownload );

        /**

        * Destructor.

        */

        virtual ~CTransactionObserver();

    public: // From MHTTPTransactionCallback

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

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

    public:

        /**

        * .

        * @param -

        * @return None.

        */

    private:

        /**

        * C++ default constructor.

        */

        CTransactionObserver( RHttpDownload* aDownload );

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL();

    private:

        RHttpDownload* iDownload;  ///< NOT Owned.

	};

#endif /* __DOWNLOADMGR_TRANSOBSERVER_H__ */