// Copyright (c) 1997-2009 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:

//

#include "EIKSCNCL.H"

#include <coemain.h>

#include <eiksvdef.h>

#include <eikdef.h>

#include <eikenv.h>

#include <eiksrvs.h>

CEikScreenClearerWin::CEikScreenClearerWin()

	{}

CEikScreenClearerWin::~CEikScreenClearerWin()

	{

	iEikonEnv->WsSession().Flush();

	if (iEikSrvStatus == KErrNone)

		{

		iEikSrv.UnblankScreen();

		iEikSrv.Close();

		}

	}

void CEikScreenClearerWin::ConstructL()

// Use eikserv to blank the screen if possible, otherwise create a blank window.

	{

	// try to open eiksrvs thread to see if it exists

	if (RThread().Name().Compare(EIKAPPUI_SERVER_THREAD_NAME)!=0)

		{

		// check if the server is present

		TFindServer find(EIKAPPUI_SERVER_NAME);

 		TFullName name;

 		iEikSrvStatus = (find.Next(name) == KErrNone ? iEikSrv.Connect() : KErrNotFound); 

		}

	else

		iEikSrvStatus = KErrInUse;		// this thread is eiksrv !

	if (iEikSrvStatus == KErrNone)

		iEikSrv.BlankScreen();

	else

		{

		CreateWindowL();

		SetBlank();

		SetExtentToWholeScreen();

		ActivateL();

		SetPointerCapture(ETrue);

		DrawableWindow()->ClaimPointerGrab();

		DrawNow();

		}

	iCoeEnv->WsSession().PurgePointerEvents();

	}

EXPORT_C CEikScreenClearerWin* CEikScreenClearerWin::NewLC()

	{

	CEikScreenClearerWin* self = new(ELeave) CEikScreenClearerWin;

	CleanupStack::PushL(self);

	self->ConstructL();

	return self;

	}