/*

* Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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:   WlanDfc declaration

*

*/

/*

* %version: 4 %

*/

#ifndef WLANDFC_H

#define WLANDFC_H

#include <wlandfc.h>

#include "wlanobject.h"

class WlanOsa;

struct WlanDfcImpl;

/**

 *  concrete DFC context object

 *

 *

 *  @lib wlanosa.lib

 *  @since S60 v3.2

 */

class WlanDfc : public MWlanDfc, public WlanObject

    {

    friend class WlanDfcImpl;

public:

    /**

     * Destructor.

     *

     * @since S60 v3.2

     */

    virtual ~WlanDfc();

	/**

	 * Constructor.

	 *

	 * @since S60 v3.2

     * @param aOsa wlanosa object

     * @param aDfcQueue Pointer to the DFC queue to use

	 */

    explicit WlanDfc( 

        WlanOsa& aOsa, 

        void* aDfcQueue );

protected:

// from base class MWlanDfc

    /**

     * From MWlanDfc.

     * Enqueue a dfc for execution. 

     * Either succeeds or has no effect.

     * Calling this method for allready queued dfc has no effect

     *

     * @since S60 v3.2

     * @param aDfcClient client interface

     * @param aCtx context passed back in client callback

     */

     virtual void Enqueue( MWlanDfcClient& aDfcClient, TInt aCtx );

    /**

     * From MWlanDfc.

     * Dequeue a queued dfc. 

     * Either succeeds or has no effect.

     * Calling this method for non queued dfc has no effect 

     *

     * @since S60 v3.2

     */

     virtual void Dequeue();

private:

    // Prohibit copy constructor.

    WlanDfc( const WlanDfc& );

    // Prohibit assigment operator.

    WlanDfc& operator= ( const WlanDfc& );

    /**

     * DFC execution entry

     *

     * @since S60 v3.2

     */

    void RealDfc();

    /**

     * Extracts implementation details

     *

     * @since S60 v3.2

     * @return implementation details

     */

    inline WlanDfcImpl& Pimpl();

private: // data

    /**

     * implementation

     * Own.  

     */

    WlanDfcImpl* iPimpl;

    };

#include "osadfc.inl"

#endif // WLANDFC_H