1 /*

     2  * mlcvtenginecommandmanager.h

     3  *

     4  *  Created on: Jun 29, 2009

     5  *      Author: z51wang

     6  */

     7 

     8 #ifndef M_LCVTENGINECOMMANDMANAGER_H

     9 #define M_LCVTENGINECOMMANDMANAGER_H

    10 

    11 //  INCLUDES

    12 #include    <e32base.h>

    13 

    14 // FORWARD DECLARATIONS

    15 class MVtEngCommandObserver;

    16 

    17 // CLASS DECLARATION

    18 

    19 /**

    20 *  Command manager class for Video Telephone application.

    21 *

    22 *  @since Series 60 2.6

    23 */

    24 class MLcVtEngineCommandManager

    25     {

    26     public: // New functions

    27 

    28         /**

    29         * Adds observer.

    30         * @param aObserver observer to be added.

    31         */

    32         virtual void AddObserverL( MVtEngCommandObserver& aObserver ) = 0;

    33 

    34         /**

    35         * Removes observer.

    36         * @param aObserver observer to be removed.

    37         */

    38         virtual void RemoveObserver( MVtEngCommandObserver& aObserver ) = 0;

    39 

    40     };

    41 

    42 

    43 #endif /* M_LCVTENGINECOMMANDMANAGER_H */