/*

* Copyright (c) 2002 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: 

*      Declaration of class CHttpWapSession.

*      

*

*/

#ifndef HTTP_WAP_SESSION_H

#define HTTP_WAP_SESSION_H

// INCLUDES

#include <e32base.h>

#include <http/mhttpsessioneventcallback.h>

#include "HttpSessionBase.h"

// CLASS DECLARATION

/**

* WAP Session.

*/

NONSHARABLE_CLASS( CHttpWapSession )

: public CHttpSessionBase,

  public MHTTPSessionEventCallback

    {

    public:     // Constructors and destructor.

        /**

        * Two phased constructor. Leaves on failure.

        * @param aGateway WAP gateway.

        * @return The created session.

        */      

        static CHttpWapSession* NewL( const TDesC8& aGateway );

        /**

        * Destructor.

        */

        virtual ~CHttpWapSession();

    public:     // from CHttpSessionBase

        /**

        * Connect session.

        * @param aStatus Completes when done.

        */

        virtual void ConnectL( TRequestStatus* aStatus );

        /**

        * Disconnect session. Safe to call if not connected. Use this to

        * cancel an outstanding ConnectL.

        */

        virtual void Disconnect();

    protected:    // Constructors and destructor.

        /**

        * Constructor.

        */

        CHttpWapSession();

        /**

        * Second phase constructor. Leaves on failure.

        * @param aGateway WAP gateway.

        */      

        void ConstructL( const TDesC8& aGateway );

        /**

        * Handle session event.

        * @param aEvent The event that has occurred.

        */

        void MHFSessionRunL( const THTTPSessionEvent& aEvent );

        /**

        * Handle errors occured in MHFSessionRunL().

        * @param aError The leave code that MHFSessionRunL left with.

        * @param aEvent The Event that was being processed.

        * @return KErrNone.

        */

        TInt MHFSessionRunError

            ( TInt aError, const THTTPSessionEvent& aEvent );

    private:    // new methods

        /**

        * Clean up and notify parent.

        * @param aResult Result of the operation.

        */

        void Done( TInt aResult );

        /**

        * Get a shared string from the session stringpool.

        * @param aId Id of string.

        * @return Shared string from HTTP string table. No need to close.

        */

        inline RStringF StringF( HTTP::TStrings aId );

    private:    // types

        enum TState         ///< State.

            {

            EInit,          ///< Initial state (session is not open).

            EConnecting,    ///< Connecting.

            EConnected,     ///< Session is open and connected.

            EDisconnecting  ///< Disconnecting.

            };

    private:    // data

        TState iState;                  ///< State.

        TRequestStatus* iParentStatus;  ///< Parent status.

        RStringF iGateway;              ///< Gateway. Owned.

        TBool iGatewayOpen;             ///< ETrue if gateway string is open.

        CActiveSchedulerWait* iWait;    ///< Wait object (for disconnect).

    };

#include "HttpWapSession.inl"

#endif /* def HTTP_WAP_SESSION_H */