1 /*

     2 * Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  Interface for commands

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef MCACOMMAND_H

    21 #define MCACOMMAND_H

    22 

    23 //  INCLUDES

    24 #include <e32std.h>

    25 #include "MCACommandObserver.h"

    26 

    27 

    28 

    29 // FORWARD DECLARATIONS

    30 

    31 

    32 

    33 // CLASS DECLARATION

    34 /**

    35 *

    36 *

    37 */

    38 class MCACommand

    39     {

    40 

    41     public: // New functions

    42         /**

    43         * Executes the command.

    44         *

    45         */

    46         virtual void ExecuteCommandL() = 0;

    47 

    48         /**

    49         * Cancels the command execution, only for asynchronous commands.

    50         *

    51         */

    52         virtual void CancelCommand() = 0;

    53 

    54         /**

    55         * Sets command observer.

    56         * @param aObserver Reference to the command observer.

    57         */

    58         virtual void SetObserver( MCACommandObserver& aObserver ) = 0;

    59 

    60         /**

    61         * @return ETrue if the command is asynchronous, otherwise EFalse.

    62         */

    63         virtual TBool IsAsynchronous() = 0;

    64 

    65         virtual ~MCACommand() {}

    66     };

    67 

    68 #endif      // MCACOMMAND_H

    69 

    70 // End of File