1 /*

     2 * Copyright (c) 2008 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:  CCFCmd class declaration.

    15 *

    16 */

    17 

    18 

    19 #ifndef C_CFCMD_H

    20 #define C_CFCMD_H

    21 

    22 

    23 // SYSTEM INCLUDE FILES

    24 #include <e32base.h>

    25 

    26 // USER INCLUDE FILES

    27 

    28 // FORWARD DECLARATIONS

    29 class MCFContextSubscriptionListener;

    30 

    31 // DATA TYPES

    32 

    33 // CLASS DECLARATION

    34 

    35 /**

    36  * Abstract base class for commands.

    37  *

    38  * @lib CFServer

    39  * @since S60 5.0

    40  */

    41 NONSHARABLE_CLASS( CCFCmd ) : public CBase

    42     {

    43 public:

    44 

    45     /**

    46      * C++ destructor.

    47      */

    48     virtual ~CCFCmd( );

    49 

    50 public:

    51 

    52     /**

    53      * Executes the command.

    54      *

    55      * @since S60 5.0

    56      * @param None.

    57      * @return None.

    58      */

    59     virtual void ExecuteL() = 0;

    60 

    61     /**

    62      * Logs the error using error trace macros.

    63      *

    64      * @since S60 5.0

    65      * @param aError is the leave code from a call to ExecuteL.

    66      * @return None.

    67      */

    68     virtual void LogError( TInt aError );

    69 

    70     /**

    71      * Returns the singly linked list's link offset.

    72      *

    73      * @since S60 5.0

    74      * @param None.

    75      * @return Singly linked list's link offset.

    76      */

    77     static TInt SglQueLinkOffset();

    78 

    79 protected:

    80 

    81     CCFCmd();

    82 

    83 private: // Data

    84 

    85     // Singly linked list link object.

    86     TSglQueLink iSlink;

    87     };

    88 

    89 #endif // C_CFCMD_H