/*

* 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:  CCFCmd class declaration.

*

*/

#ifndef C_CFCMD_H

#define C_CFCMD_H

// SYSTEM INCLUDE FILES

#include <e32base.h>

// USER INCLUDE FILES

// FORWARD DECLARATIONS

class MCFContextSubscriptionListener;

// DATA TYPES

// CLASS DECLARATION

/**

 * Abstract base class for commands.

 *

 * @lib CFServer

 * @since S60 5.0

 */

NONSHARABLE_CLASS( CCFCmd ) : public CBase

    {

public:

    /**

     * C++ destructor.

     */

    virtual ~CCFCmd( );

public:

    /**

     * Executes the command.

     *

     * @since S60 5.0

     * @param None.

     * @return None.

     */

    virtual void ExecuteL() = 0;

    /**

     * Logs the error using error trace macros.

     *

     * @since S60 5.0

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

     * @return None.

     */

    virtual void LogError( TInt aError );

    /**

     * Returns the singly linked list's link offset.

     *

     * @since S60 5.0

     * @param None.

     * @return Singly linked list's link offset.

     */

    static TInt SglQueLinkOffset();

protected:

    CCFCmd();

private: // Data

    // Singly linked list link object.

    TSglQueLink iSlink;

    };

#endif // C_CFCMD_H