1 /**

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

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    17 

    18 

    19 

    20 /**

    21  @file

    22 */

    23 

    24 #ifndef WS_DISP_CHANGE_NOTIFY

    25 #define WS_DISP_CHANGE_NOTIFY

    26 

    27 

    28 #include <graphics/wsdisplaycontrol.h>

    29 #include <e32base.h>

    30 #include <e32cmn.h>

    31 #include "EVENT.H"

    32 

    33 class CWsDisplayChangeNotifier : public CActive

    34 	{

    35 	public:

    36 		static CWsDisplayChangeNotifier* NewL(MWsDisplayControl* aNextLevelInterface, CScreen *aOwner);

    37 		void IssueNotificationRequest();

    38 		void CancelNotificationRequest();

    39 		~CWsDisplayChangeNotifier();

    40 	protected:

    41 		void ConstructL();

    42 		virtual void RunL();

    43 		virtual void DoCancel();

    44 	private:

    45 		CWsDisplayChangeNotifier(MWsDisplayControl* aNextLevelInterface, CScreen *aOwner);

    46 		TBool IsResListEqual(RArray<MWsDisplayControl::TResolution>& aResListA, RArray<MWsDisplayControl::TResolution>& aResListB);

    47 		

    48 		TRequestStatus* iRsStatus;

    49 		MWsDisplayControl* iNextLevelInterface;

    50 		CScreen *iOwner;

    51 		CEventQueueRetry *iRetry;

    52 				

    53 		RArray<MWsDisplayControl::TResolution> iLastResList;

    54 		TInt iLastErr;

    55 	};

    56 

    57 class CWsConfigChangeNotifier : public CActive

    58 	{

    59 	public:

    60 		static CWsConfigChangeNotifier* NewL(MWsDisplayControl* aNextLevelInterface, CScreen *aOwner);

    61 		void IssueNotificationRequest();

    62 		void CancelNotificationRequest();

    63 		~CWsConfigChangeNotifier();

    64 	protected:

    65 		void ConstructL();

    66 		virtual void RunL();

    67 		virtual void DoCancel();

    68 	private:

    69 		CWsConfigChangeNotifier(MWsDisplayControl* aNextLevelInterface, CScreen *aOwner);

    70 		TBool IsConfigEqual(TDisplayConfiguration& aConfigA, TDisplayConfiguration& aConfigB);

    71 		

    72 		TRequestStatus* iRsStatus;

    73 		MWsDisplayControl* iNextLevelInterface;

    74 		CScreen *iOwner;

    75 		CEventQueueRetry *iRetry;

    76 		

    77 		TDisplayConfiguration iLastConfig;

    78 	};

    79 

    80 #endif