1 // Copyright (c) 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 

    17 

    18 /**

    19  @file

    20  @test

    21  @internalComponent - Internal Symbian test code 

    22 */

    23 

    24 #ifndef __TWINDOWS_H__

    25 #define __TWINDOWS_H__

    26 

    27 #include <e32base.h>

    28 

    29 class TWsEvent;

    30 class TWsRedrawEvent;

    31 class RWindowTreeNode;

    32 class RWindow;

    33 class RWindowGroup;

    34 class RBlankWindow;

    35 class RBackedUpWindow;

    36 class RWsSession;

    37 class CWindowGc;

    38 class CWsScreenDevice;

    39 

    40 /**

    41  * The class handles redrawing of the window tree node standard class 

    42  */

    43 class CTWindowTreeNode : public CBase

    44 	{

    45 public:

    46 	virtual void Event(TWsEvent & aEvent) = 0;

    47 	virtual void Redraw(TWsRedrawEvent & aEvent) = 0;

    48 	virtual RWindowTreeNode* WindowTreeNode() 	{ return iWin; }

    49 protected:

    50 	RWindowTreeNode* iWin;

    51 	};

    52 

    53 /**

    54  * The class handles redrawing of the window window group

    55  */

    56 class CTWindowGroup : public CTWindowTreeNode

    57 	{

    58 public:

    59 	static CTWindowGroup* NewL(RWsSession& aWs, CWsScreenDevice* aScreenDevice);

    60 	~CTWindowGroup();

    61 	void Event(TWsEvent & aEvent);

    62 	void Redraw(TWsRedrawEvent & aEvent);

    63 	RWindowGroup* WindowGroup() { return reinterpret_cast<RWindowGroup*>(iWin); }

    64 private:

    65 	CTWindowGroup();

    66 	void ConstructL(RWsSession & aWs, CWsScreenDevice* aScreenDevice);

    67 	};

    68 

    69 /**

    70  * Base class for windows.

    71  */

    72 class CTWindow : public CTWindowTreeNode

    73 	{

    74 public:

    75 	static CTWindow* NewL(RWsSession& aWs, CTWindowTreeNode& aGroup, CWindowGc& aGc);

    76 	~CTWindow();

    77 	void Event(TWsEvent & aEvent);

    78 	void Redraw(TWsRedrawEvent & aEvent);

    79 	RWindow* Window() { return reinterpret_cast<RWindow*>(iWin); }

    80 	virtual void Draw();

    81 private:

    82 	CWindowGc& iGc;

    83 private:

    84 	CTWindow(CWindowGc& aGc);

    85 	void ConstructL(RWsSession& aWs, CTWindowTreeNode& aGroup);

    86 	};

    87 

    88 #endif //__TWINDOWS_H__