/*

* Copyright (c) 2002-2004 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 RACCESSORYSUBSESSIONBASE_H

#define RACCESSORYSUBSESSIONBASE_H

#include <e32base.h>

// FORWARD DECLARATIONS

class TAccPolGenericID;

class RAccessoryServer;

class CAccPolAccessoryPolicy;

// CLASS DECLARATION

/**

*  Base class for Accessory Server sub-sessions.

*

*  This class is not intended for user derivation.

*

*  @lib AccClient.lib

*  @since S60 3.1

*/

class RAccessorySubsessionBase : public RSubSessionBase

    {

    public:

        /**

        * Creates a new sub-session within an existing session.

        * Pure virtual function which derived classes must implement.

        *

        * @since S60 3.1

        * @param aSession The session to which this sub-session will belong.

        * @return KErrNone if successful, system-wide error code if failed.

        */

        virtual TInt CreateSubSession( RAccessoryServer& aSession ) = 0;

        /**

        * Closes the sub-session.

        * Pure virtual function which derived classes must implement.

        *

        * @since S60 3.1

        * @return KErrNone if successful, system-wide error code if failed.

        * @see CreateSubSession()

        */

        virtual TInt CloseSubSession() = 0;

    protected:

        /**

        * C++ default constructor.

        */

        IMPORT_C RAccessorySubsessionBase();

};

#endif // RACCESSORYSUBSESSIONBASE_H