sl@0: // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // Interface for Render Stage Display Resolution
sl@0: // 
sl@0: //
sl@0: 
sl@0: #ifndef WSDISPLAYCONTROL_H_
sl@0: #define WSDISPLAYCONTROL_H_
sl@0: 
sl@0: /**
sl@0: @file
sl@0: @publishedpartner 
sl@0: @released
sl@0: */
sl@0: 
sl@0: #include <graphics/displaycontrolbase.h>
sl@0: #include <graphics/wsgraphicdrawerinterface.h>
sl@0: 
sl@0: class MWsDisplayControl: public MWsObjectProvider,public MDisplayControlBase
sl@0: 	{
sl@0: public:
sl@0: 	enum	
sl@0: 		{
sl@0: 		KUidWsDisplayControl =  0x10286497, 	  //To    0x1028649A
sl@0: 		ETypeId=				KUidWsDisplayControl,
sl@0: 		EWsObjectInterfaceId=	KUidWsDisplayControl
sl@0: 		};
sl@0: public:
sl@0: 	/**
sl@0: 	 * Asynchronous request to complete aStatus when a change of display is detected.
sl@0: 	 * 
sl@0: 	 * The request is completed when the connectedness of the display changes, or when
sl@0: 	 * the set of available resolutions changes.
sl@0: 	 * 
sl@0: 	 * @param aStatus Asynchronous request status.
sl@0: 	 */
sl@0: 	virtual void NotifyOnDisplayChange(TRequestStatus& aStatus)=0;
sl@0: 	/**
sl@0: 	 * Cancels a pending request to notify on display change.
sl@0: 	 * 
sl@0: 	 * If there is a pending notification request, the status value will be set to 
sl@0: 	 * KErrCancelled and it will be completed. If there is no pending request for 
sl@0: 	 * notification, the call will simply return.
sl@0: 	 */
sl@0: 	virtual void NotifyOnDisplayChangeCancel()=0;
sl@0: 	/**
sl@0: 	 * Asynchronous request to complete aStatus when a configuration change occurs.
sl@0: 	 * 
sl@0: 	 * The request is completed when a new configuration has been set, either 
sl@0: 	 * explicitly or by a render stage. Earlier render stages and the Window Server 
sl@0: 	 * can use this to update their state.
sl@0: 	 * 
sl@0: 	 * @param aStatus Asynchronous request status.
sl@0: 	 */
sl@0: 	virtual void NotifyOnConfigChange(TRequestStatus& aStatus)=0;
sl@0: 	/**
sl@0: 	 * Cancels a pending request to notify on configuration change.
sl@0: 	 * 
sl@0: 	 * If there is a pending notification request, the status value will be set to 
sl@0: 	 * KErrCancelled and it will be completed. If there is no pending request for 
sl@0: 	 * notification, the call will simply return.
sl@0: 	 */
sl@0: 	virtual void NotifyOnConfigChangeCancel()=0;
sl@0: 	};
sl@0: 
sl@0: #endif /*WSDISPLAYCONTROL_H_*/