/*

* 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:  Base class for states

*

*/

#ifndef CVTENGSTATEALERTING_H

#define CVTENGSTATEALERTING_H

//  INCLUDES

#include "CVtEngStateBase.h"

//#include <?include_file>

// CONSTANTS

//const ?type ?constant_var = ?constant;

// MACROS

//#define ?macro ?macro_def

// DATA TYPES

//enum ?declaration

//typedef ?declaration

//extern ?data_type;

// FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

class CVtEngStateManager;

// CLASS DECLARATION

/**

*  Alerting state class

*

*  @lib videoteleng

*  @since 2.6

*/

NONSHARABLE_CLASS( CVtEngStateAlerting ) : public CVtEngStateBase

    {

    public:  // Constructors and destructor

        /**

        * C++ constructor.

        */

        CVtEngStateAlerting( 

            CVtEngStateManager& aStateManager,

            CVtEngEventManager& aEventManager );

        /**

        * Destructor.

        */

        virtual ~CVtEngStateAlerting();

    public: // From CVtEngStateBase

        /**

        * Updates state. May result to state transition

        */

        virtual void UpdateL();

        /**

        * Validates a command.

        */

        virtual TBool ValidateCommand(

            const TVtEngCommandId aCommandId );

        /**

        * @see CVtEngStateBase

        */

        virtual MVtEngSessionInfo::TSessionState State() const;

        /**

        *

        */

        virtual TBool HandleL( CVtEngOperation& aOp );

    private:

        /**

        * Handles state transition to alerting.

        */

        void DoOpenL();

    };

#endif      // CVTENGSTATEALERTING_H

// End of File