1 /*

     2 * Copyright (c) 2008 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 @file

    21 @internalComponent

    22 */

    23 

    24 #ifndef WINDOWMANAGER_H_

    25 #define WINDOWMANAGER_H_

    26 

    27 #include <e32msgqueue.h>

    28 #include <w32std.h>

    29 

    30 /**

    31  * Encapsulates the resources used to provide a window to render to via Graphic Surfaces.

    32  * Proxies certain methods so that they can be used by arbitary threads.

    33  */

    34 class CWindowManager : public CActive

    35 	{

    36 private:

    37 	enum TCommand

    38 		{

    39 		ERegisterSurface,

    40 		ESetBackgroundSurface

    41 		};

    42 	

    43 	struct TMessage

    44 		{

    45 		TCommand iCommand;

    46 		TAny* iParam1;

    47 		TInt iParam2;

    48 		};

    49 	

    50 public:

    51 	static CWindowManager* NewL();

    52 	~CWindowManager();

    53 	

    54 	TSize ScreenSize() const;

    55 	

    56 	TInt RegisterSurface(TSurfaceId& aSurfaceId);

    57 	TInt SetBackgroundSurface(TSurfaceConfiguration& aSurfaceConfig, TBool aTriggerRedraw);

    58 	void Flush();

    59 	

    60 private:

    61 	CWindowManager();

    62 	void ConstructL();

    63 	

    64 	void RunL();

    65 	void DoCancel();

    66 	

    67 	TInt RunCommand(TCommand aCommand, TAny* aParam1, TInt aParam2 = 0);

    68 	TInt DoCommand(TCommand aCommand, TAny* aParam1, TInt aParam2);

    69 	

    70 private:

    71 	RMsgQueue<TMessage> iMsgQueue;

    72 	RSemaphore iSemaphore;

    73 	TInt iReturnCode;

    74 	TThreadId iCreatorThreadId;

    75 	

    76 	RWsSession iWsSession;

    77 	CWsScreenDevice* iWsSd;		// Screen Device for this WServ session.

    78 	RWindowGroup iWindowGroup;	// Window group of the AO windows.

    79 	RWindow* iWindow;

    80 	TSize iScreenSize;

    81 	};

    82 

    83 #endif /* WINDOWMANAGER_H_ */