/*

* Copyright (c) 2005-2009 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 "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members

* which accompanies this distribution, and is available

* at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

* @file

* This contains ActiveCallback.h

*

*/

#ifndef __ACTIVE_CALLBACK_H__

#define __ACTIVE_CALLBACK_H__

#include <e32base.h>

class MActiveCallback

/**

 * @internalComponent

 * @test

 *

 * Asynchronus completion callback

 */

	{

public:

	/**

	 * Method from which CActiveCallback informs the user RunL call

	 *

	 * @param	aActive - the object that the RunL has completed on

	 * @param	aIndex - asynchronous command index

	 *

	 * @leave	system wide error

	 */

	virtual void	RunL(CActive* aActive, TInt aIndex) = 0;

	/**

	 * Method from which CActiveCallback informs the user DoCancel call

	 *

	 * @param	aActive - the object that the RunL has completed on

	 * @param	aIndex - asynchronous command index

	 *

	 * @leave	system wide error

	 */

	virtual void	DoCancel(CActive* aActive, TInt aIndex) = 0;

	};

class CActiveCallback : public CActive

/**

 * @internalComponent

 * @test

 *

 * @see		CActive

 *

 * Test Active Notification class

 *

 */

	{

public:

	IMPORT_C virtual ~CActiveCallback();

	IMPORT_C static CActiveCallback*	NewL(MActiveCallback& aCallback, TInt aPriority=EPriorityStandard);

	IMPORT_C static CActiveCallback*	NewLC(MActiveCallback& aCallback, TInt aPriority=EPriorityStandard);

	IMPORT_C void	Activate( TInt aIndex );

	IMPORT_C void	KickState();

	IMPORT_C void	RunL();

	IMPORT_C void	DoCancel();

protected:

	IMPORT_C CActiveCallback(MActiveCallback& aCallback, TInt aPriority);

	IMPORT_C void	ConstructL();

private:

	/**

	* This is internal and not intended for use.

	*/

	MActiveCallback&	iCallback;

	TInt				iIndex;

	};

#endif /* __ACTIVE_CALLBACK_H__ */