/*

* Copyright (c) 2008 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:  Operation class for commands not originated by UI but

*                engine itself.

*

*/

#ifndef C_VTENGINTERNALOPERATION_H

#define C_VTENGINTERNALOPERATION_H

//  INCLUDES

#include <e32base.h>

#include "CVtEngOperation.h"

// FORWARD DECLARATIONS

class CVtEngCommandHandler;

class CVtEngHandlerContainer;

/**

*  Class for handling operation (command) originated engine itself.

*  Deviation from base class behavior: does not set itself as "active

*  operation" in command handler (observer of the operation). Also

*  response is given in synchronous manner.

*

*  @lib videoteleng

*  @since S60 5.0

*/

NONSHARABLE_CLASS( CVtEngInternalOperation ) : public CVtEngOperation

    {

public: // constructor and destructors

    /**

    * two-phase constructor

    * @param aCommandId command id

    * @param aHandlers handler container

    * @param aCommandHandler command handler

    * @param aDelete if ETrue command deletes itself after completion

    * @return internal operation

    */

    static CVtEngInternalOperation* NewL(

        TVtEngCommandId aCommandId,

        CVtEngHandlerContainer& aHandlers,

        MVtEngOperationObserver& aObserver,

        TBool aDelete = ETrue );

    /**

    * Destructor

    */

    ~CVtEngInternalOperation( );

public: // from CVtEngOperation

    /**

    * @see CVtEngOperation

    */

    virtual TBool ExecuteL();

    /**

    * @see CVtEngOperation

    */

    virtual void HandleOpComplete( const TInt aResult );

private:

    /**

    * c++ constructor

    */

    CVtEngInternalOperation(

        TVtEngCommandId aCommandId,

        CVtEngHandlerContainer& aHandlers,

        MVtEngOperationObserver& aObserver,

        TBool aDelete );

    };

#endif  // C_VTENGINTERNALOPERATION_H

// End of File