// Copyright (c) 1999-2009 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:

//

#ifndef __VWSADDOB_H__

#define __VWSADDOB_H__

/**

 * The MVwsViewAdditionObserver class specifies an interface for making callbacks when a view is added to

 * the server. This enables server event processing which relies on applications being started and new views

 * being added.

 *

 * @internalComponent

 */ 

class MVwsViewAdditionObserver

	{

public:

	virtual void HandleViewAdded(const TVwsViewId& aViewId, const TThreadId& aNewViewClientThreadId)=0;

	};

/*

 * MVwsDeactivationObserver.

 *

 * @internalComponent

 */ 

class MVwsDeactivationObserver

	{

public:

	virtual void HandleDeactivationL(const TVwsViewId& aDeactivatedViewId, const TVwsViewId& aActivatedViewId)=0;

	};

/*

 * MVwsActivationObserver.

 *

 * @internalComponent

 */ 

class MVwsActivationObserver

	{

public:

	virtual void HandleActivationL(const TVwsViewId& aActivatedViewId, const TVwsViewId& ViewIdToBeDeactivated)=0;

	};

#endif