/*

* 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:  Open state

*

*/

#ifndef CVTENGSTATEOPEN_H

#define CVTENGSTATEOPEN_H

//  INCLUDES

#include "CVtEngStateBase.h"

// FORWARD DECLARATIONS

class CVtEngStateManager;

// CLASS DECLARATION

/**

*  Open state class

*

*  @lib videoteleng

*  @since 2.6

*/

NONSHARABLE_CLASS( CVtEngStateOpen ) : public CVtEngStateBase

    {

    public:  // Constructors and destructor

        /**

        * C++ constructor.

        */

        CVtEngStateOpen( 

            CVtEngStateManager& aStateManager,

            CVtEngEventManager& aEventManager );

        /**

        * Destructor.

        */

        virtual ~CVtEngStateOpen();

    public: // From CVtEngStateBase

        /**

        * Updates state. May result to state transition

        */

        virtual void UpdateL();

        /**

        * Validates a command.

        */

        TBool ValidateCommand(

            const TVtEngCommandId aCommandId );

        /**

        * @see CVtEngStateBase

        */

        virtual MVtEngSessionInfo::TSessionState State() const;

        /**

        * @see CVtEngStateBase::HandleL

        */

        TBool HandleL( CVtEngOperation& aOp );

    private:

        /**

        * Changes audio routing

        * @param aOp audio routing or null if value should

        *        be read from settings

        */

        void RouteAudioL( 

            CVtEngOperation* aOp );

        /**

        * Uses extension framework to complete

        * from operation.

        * @since S60 v3.2

        * @param aOp audio routing or null 

        */    

        void CallExtensionL( CVtEngOperation* aOp );    

    private:

        /**

        * Handles state transition to open.

        */

        void DoOpenL();

    };

#endif      // CVTENGSTATEOPEN_H

// End of File