/*

 * mlcvtenginecommandmanager.h

 *

 *  Created on: Jun 29, 2009

 *      Author: z51wang

 */

#ifndef M_LCVTENGINECOMMANDMANAGER_H

#define M_LCVTENGINECOMMANDMANAGER_H

//  INCLUDES

#include    <e32base.h>

// FORWARD DECLARATIONS

class MVtEngCommandObserver;

// CLASS DECLARATION

/**

*  Command manager class for Video Telephone application.

*

*  @since Series 60 2.6

*/

class MLcVtEngineCommandManager

    {

    public: // New functions

        /**

        * Adds observer.

        * @param aObserver observer to be added.

        */

        virtual void AddObserverL( MVtEngCommandObserver& aObserver ) = 0;

        /**

        * Removes observer.

        * @param aObserver observer to be removed.

        */

        virtual void RemoveObserver( MVtEngCommandObserver& aObserver ) = 0;

    };

#endif /* M_LCVTENGINECOMMANDMANAGER_H */