// Copyright (c) 2008-2009 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:

// Interface for Render Stage Display Resolution

// 

//

#ifndef WSDISPLAYCONTROL_H_

#define WSDISPLAYCONTROL_H_

/**

@file

@publishedpartner 

@released

*/

#include <graphics/displaycontrolbase.h>

#include <graphics/wsgraphicdrawerinterface.h>

class MWsDisplayControl: public MWsObjectProvider,public MDisplayControlBase

	{

public:

	enum	

		{

		KUidWsDisplayControl =  0x10286497, 	  //To    0x1028649A

		ETypeId=				KUidWsDisplayControl,

		EWsObjectInterfaceId=	KUidWsDisplayControl

		};

public:

	/**

	 * Asynchronous request to complete aStatus when a change of display is detected.

	 * 

	 * The request is completed when the connectedness of the display changes, or when

	 * the set of available resolutions changes.

	 * 

	 * @param aStatus Asynchronous request status.

	 */

	virtual void NotifyOnDisplayChange(TRequestStatus& aStatus)=0;

	/**

	 * Cancels a pending request to notify on display change.

	 * 

	 * If there is a pending notification request, the status value will be set to 

	 * KErrCancelled and it will be completed. If there is no pending request for 

	 * notification, the call will simply return.

	 */

	virtual void NotifyOnDisplayChangeCancel()=0;

	/**

	 * Asynchronous request to complete aStatus when a configuration change occurs.

	 * 

	 * The request is completed when a new configuration has been set, either 

	 * explicitly or by a render stage. Earlier render stages and the Window Server 

	 * can use this to update their state.

	 * 

	 * @param aStatus Asynchronous request status.

	 */

	virtual void NotifyOnConfigChange(TRequestStatus& aStatus)=0;

	/**

	 * Cancels a pending request to notify on configuration change.

	 * 

	 * If there is a pending notification request, the status value will be set to 

	 * KErrCancelled and it will be completed. If there is no pending request for 

	 * notification, the call will simply return.

	 */

	virtual void NotifyOnConfigChangeCancel()=0;

	};

#endif /*WSDISPLAYCONTROL_H_*/