// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

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

// which accompanies this distribution, and is available

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

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

// RWsTextCursor and associated classes definitions

// 

//

#ifndef __TCURSOR_H__

#define __TCURSOR_H__

#include "server.h"

#include "cliwin.h"

#include "sprite.h"

class RWsTextCursor;

class CEventQueue;

class CWsRenderStage;

class MWsTextCursor;

class TCursorSprite

	{

public:

	static void SetFocus(RWsTextCursor* aFocus,CWsClientWindow* aWin=NULL);

	static void Hide();

	static void Reveal();

	static void SetCurrentCursor(RWsTextCursor* aFocus, CWsClientWindow* aWin);

	static TBool IsStandardCursorActive();

private:

	static RWsTextCursor *iCurrentCursor;

	static TBool iHidden;

	};

class RWsTextCursor : public MWsWindowTreeNode, public MWsStandardTextCursor

	{

public:

	friend class TCursorSprite;

public:

	void ConstructL(CWsWindowGroup *aOwner);

	void Close();

	void SetL(const TWsWinCmdSetTextCursor &aSet, TBool aClipped);

	void Cancel();

	void WindowDisconnected(CWsWindow *aWin);

	void LostFocus();

	void ReceivedFocus();

	inline CWsWindow* Win() const;

	TRect RectRelativeToScreen() const;

	TRect RectRelativeToWindow() const;

	void Enable();

	void Disable();

	TBool IsStandardCursorActive();

	TBool IsFlashing() const;

	void Draw(const TRegion& aRegion);

	TFlashState CurrentCursorFlashState() const;

	void CreateNode();

	void ReleaseNode();

	void SendState(MWsWindowTreeObserver& aWindowTreeObserver) const;

public:

	enum TInternalFlags

		{

		EHasFocus	= 0x00000001,

		EActiveNode	= 0x00000002

		};

public: // from MWsWindowTreeNode

	MWsWindowTreeNode::TType NodeType() const;

	const MWsWindow* Window() const;

	const MWsSprite* Sprite() const;

	const MWsStandardTextCursor* StandardTextCursor() const;

	const MWsWindowGroup* WindowGroup() const;

	const MWsWindowTreeNode* ParentNode() const;

public: // from MWsStandardTextCursor

	TInt Type() const;

	TRect Rect() const;

	TRect ClipRect() const;

    TUint Flags() const;

	TRgb Color() const;

	TTimeIntervalMicroSeconds32 FlashInterval() const;

private:

	void Clear();

	void doDraw(const TRegion& aRegion);

	void ScheduleReDrawNow();

	void UpdateAttributes(TPoint aPos, TPoint aAbsPos, TSize aSize, TInt aType, TUint aFlags, TRect aClipRect, TRgb aColor, CWsCustomTextCursor* aCustomTextCursor, CWsClientWindow* aWin);

	void NotifyObserver(MWsWindowTreeObserver::TAttributes aAttribute) const;

private:

	CWsWindowGroup *iGroupWin;

	CWsClientWindow *iWin;

	TUint iInternalFlags;

	TInt iType;

	TPoint iPos;

	TPoint iAbsPos;

	TSize iSize;

    TUint iFlags;

	TRgb iColor;

	TRect iClipRect;

	TTime iNextCursorUpdate;

	RWsRegion iDrawRegion;

	CWsCustomTextCursor* iCustomTextCursor;

	};

class CWsPointerCursor : public CWsSpriteBase

	{

public:

	CWsPointerCursor(CWsClient *aOwner);

	~CWsPointerCursor();

	void ConstructL(const TWsClCmdCreatePointerCursor &aParams);

	void CommandL(TInt aOpcode, const TAny *aCmdData);

	void CloseObject();

	void Close();

	void Open();

private:

	TInt iAccessCount;

	};

class CWsCustomTextCursor : public CWsSpriteBase

	{

public:

	CWsCustomTextCursor(CWsClient* aOwner, RWsSession::TCustomTextCursorAlignment aAlignment);

	~CWsCustomTextCursor();

	void ConstructL(TInt aFlags);

	void CommandL(TInt aOpcode, const TAny* aCmdData);

	void CompleteL(CWsWindow* aWin, TBool aFlash, TBool aClipSprite, const TPoint& aClipOffset, const TSize& aClipSize);

	void SetPositionNoRedraw(const TPoint& aPos);

	inline RWsSession::TCustomTextCursorAlignment Alignment() const;

	inline void SetWindow(CWsClientWindow* aWin);

private:

	RWsSession::TCustomTextCursorAlignment iAlignment;

	};

inline CWsWindow* RWsTextCursor::Win() const

	{

	return iWin;

	}

inline RWsSession::TCustomTextCursorAlignment CWsCustomTextCursor::Alignment() const

	{

	return iAlignment;

	}

inline void CWsCustomTextCursor::SetWindow(CWsClientWindow* aWin)

	{

	iWin=aWin;

	}

#endif