// 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 "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

 @internalTechnology

*/

#ifndef SYMBIAN_FACTORYNOTIFY_H

#define SYMBIAN_FACTORYNOTIFY_H

#include <e32base.h>

#include <s32std.h>

#include <elements/factory.h>

namespace Factories

{

typedef TInt (*TFactoryNotifyFn)( TAny*, AFactoryObject& aObject, CFactoryBase& aFactory );

typedef void (*TAnyFn)(TAny*);

//could be as a const static table part of the class

class IFactoryNotify

/**

 @internalComponent

 */

	{

public:

	TBool operator==(const IFactoryNotify& aRhs) const

		{

		return (iThis == aRhs.iThis && iInterfaceVTable == aRhs.iInterfaceVTable);

		}

	IFactoryNotify( TAny* aThis, TAnyFn const& aInterfaceVTable ) :

		iThis( aThis ),

		iInterfaceVTable( &aInterfaceVTable )

		{

		}

		{

		if ( Check(1) )

			{

			((TInterfaceStateChangeFn)(iInterfaceVTable[1]))(iThis,aInfo);

			}

		}

	void NotifyDeletion(AFactoryObject& aObject, CFactoryBase& aFactory)

		{

		if ( Check(2) )

			{

			((TFactoryNotifyFn)(iInterfaceVTable[2]))(iThis, aObject, aFactory);

			}

		}

	TInt NotifyCreation(AFactoryObject& aObject, CFactoryBase& aFactory)

		{

		return ( Check(3) ) ?

			((TFactoryNotifyFn)(iInterfaceVTable[3]))(iThis, aObject, aFactory) :

			KErrNone;

		}

protected:

	TBool Check( TInt nFn )

		{

		return (TInt)iInterfaceVTable[0] >= nFn && iInterfaceVTable[nFn];

		}

protected:

	TAny* iThis;

	TAnyFn const* iInterfaceVTable;

	};

template <class TCLIENT>

class TFactoryNotify

/**

 @internalComponent

 */

	{

public:

	static void NotifyDeletion(TAny* aThis, AFactoryObject& aObject, CFactoryBase& aFactory);

	static TInt NotifyCreation(TAny* aThis, AFactoryObject& aObject, CFactoryBase& aFactory);

	};

template <class TCLIENT>

	{

	TCLIENT* me = (TCLIENT*)aThis;

	me->InterfaceStateChangeNotification(aInfo);

	}

template <class TCLIENT>

void TFactoryNotify<TCLIENT>::NotifyDeletion(TAny* aThis, AFactoryObject& aObject, CFactoryBase& aFactory)

	{

	TCLIENT* me = (TCLIENT*)aThis;

	me->NotifyDeletion(aObject, aFactory);

	}

template <class TCLIENT>

TInt TFactoryNotify<TCLIENT>::NotifyCreation(TAny* aThis, AFactoryObject& aObject, CFactoryBase& aFactory)

	{

	TCLIENT* me = (TCLIENT*)aThis;

	return me->NotifyCreation(aObject, aFactory);

	}

} //namespace Factories

#endif // SYMBIAN_FACTORYNOTIFY_H