// 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:

 //

 #ifndef DISPCTRL_CLIENT_H_

 #define DISPCTRL_CLIENT_H_

 #include <graphics/displaycontrolbase.h>

 /**

  * Window Server client interface for display control.

  * 

  * All functions in MDisplayControlBase will automatically flush the client-server

  * session buffer as part of their behavior.

  * 

  * Setting the display configuration successfully shall cause the screen mode

  * index to change to one of the last two entries (dependent on rotation) and that

  * mode's size information shall be updated as necessary.

  * 

  * @publishedPartner

  * @prototype

  */

 class MDisplayControl : public MDisplayControlBase

 	{

 public:

 	enum	

 		{

 		KUidDisplayControl =  0x10286499, 	  //To    0x1028649A

 		ETypeId=	 KUidDisplayControl 

 		};

 public:

 	/** 

 	 * Returns whether changes in the display will trigger an EEventDisplayChanged 

 	 * event to be issued.

 	 *

 	 * Events will be triggered configuration changes that have taken place on 

 	 * the display, when a display has been connected / disconnected (if it can be 

 	 * detected), and when the available resolutions change.

 	 *

 	 * This function always causes a flush of the window server buffer.

 	 *	

 	 * @return ETrue if display change events are enabled, EFalse otherwise

 	 */

 	virtual TBool DisplayChangeEventsEnabled() const =0;

 	/** 

 	 * Determines whether changes in the display will trigger an EEventDisplayChanged 

 	 * event to be issued.

 	 * 

 	 * @see DisplayChangeEventsEnabled

 	 * 

 	 * @param aEnable ETrue to enable display change events, EFalse to disable them

 	 */	

 	virtual void EnableDisplayChangeEvents(TBool aEnable) =0;

 	};

 #endif /*DISPCTRL_CLIENT_H_*/