// Copyright (c) 2006-2009 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:

//

/**

 @file

 @publishedPartner

 @released

*/

#ifndef HCTLBASE_H

#define HCTLBASE_H

#include <e32base.h>

/**

The ECOM interface definition for the HCTL Plugin.

This class is intended to be derived from.

*/

class CHCTLBase : public CBase

	{

public:

	/**

	Attempt to load specified implementation

	*/

	IMPORT_C static CHCTLBase* NewL(TUid aImplementationUid);

	/**

	Attempt to load single instance implementation

	*/

	IMPORT_C static CHCTLBase* NewL();

    IMPORT_C ~CHCTLBase();

public:

	/**

	Retrieves an instance of an interface to functionality provided by the HCTL.

	@param aUid UID of the API to be retrieved.

	@return A pointer to the instance of the interface specified by aUid.

	*/

	virtual TAny* Interface(TUid aUid) = 0;

protected:

    IMPORT_C CHCTLBase();

private: // owned

	/**

	UID set by ECOM when the instance is created. Used when the instance is

	destroyed.

	*/

	TUid iInstanceId;

	/**

	Pad for BC-friendly future change.

	*/

	TAny* iPad;

	};

#endif // HCTLBASE_H