1 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #ifndef DISPCTRL_CLIENT_H_

    17 #define DISPCTRL_CLIENT_H_

    18 

    19 #include <graphics/displaycontrolbase.h>

    20 

    21 /**

    22  * Window Server client interface for display control.

    23  * 

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

    25  * session buffer as part of their behavior.

    26  * 

    27  * Setting the display configuration successfully shall cause the screen mode

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

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

    30  * 

    31  * @publishedPartner

    32  * @prototype

    33  */

    34 class MDisplayControl : public MDisplayControlBase

    35 	{

    36 public:

    37 	enum	

    38 		{

    39 		KUidDisplayControl =  0x10286499, 	  //To    0x1028649A

    40 		ETypeId=	 KUidDisplayControl 

    41 		};

    42 public:

    43 	/** 

    44 	 * Returns whether changes in the display will trigger an EEventDisplayChanged 

    45 	 * event to be issued.

    46 	 *

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

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

    49 	 * detected), and when the available resolutions change.

    50 	 *

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

    52 	 *	

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

    54 	 */

    55 	virtual TBool DisplayChangeEventsEnabled() const =0;

    56 	/** 

    57 	 * Determines whether changes in the display will trigger an EEventDisplayChanged 

    58 	 * event to be issued.

    59 	 * 

    60 	 * @see DisplayChangeEventsEnabled

    61 	 * 

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

    63 	 */	

    64 	virtual void EnableDisplayChangeEvents(TBool aEnable) =0;

    65 	};

    66 

    67 

    68 #endif /*DISPCTRL_CLIENT_H_*/