// 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:

// Password handling

// 

//

#include <e32std.h>

#include "W32STD.H"

#include "server.h"

#include "rootwin.h"

#include "windowgroup.h"

#include "password.h"

TBool CWsPassword::iPasswordModeActive=EFalse;

TPasswordMode CWsPassword::iPasswordMode=EPasswordCancel;

CWsClientWindow *CWsPassword::iPasswordWindow=NULL;

TInt CWsPassword::iPrevPasswordDay=-1;

void CWsPassword::WindowDestroyed(CWsClientWindow *aWindow)

	{

	if (aWindow==iPasswordWindow)

		CancelPasswordWindow();

	}

void CWsPassword::CancelPasswordWindow()

	{

	iPasswordWindow=NULL;

	iPasswordModeActive=EFalse;

	}

void CWsPassword::SetPasswordWindowL(CWsClientWindow *aWindow, TPasswordMode aPasswordMode)

	{

	TBool triggerNow=EFalse;

	if (aPasswordMode==EPasswordAlwaysTriggerNow || aPasswordMode==EPasswordOnceADayTriggerNow)

		{

		triggerNow=ETrue;

		if (aPasswordMode==EPasswordOnceADayTriggerNow)

			aPasswordMode=EPasswordOnceADay;

		else

			aPasswordMode=EPasswordAlways;

		}

	if (aPasswordMode==EPasswordCancel)

		{

		if (aWindow!=iPasswordWindow)

			aWindow->OwnerPanic(EWservPanicPassword);

		CancelPasswordWindow();

		}

	else

		{

		if (iPasswordWindow && iPasswordWindow!=aWindow)

			User::Leave(KErrInUse);

		if (aPasswordMode!=EPasswordAlways && aPasswordMode!=EPasswordOnceADay && aPasswordMode!=EPasswordNone)

			aWindow->OwnerPanic(EWservPanicPassword);

		iPasswordWindow=aWindow;

		}

	iPasswordMode=aPasswordMode;

	if (iPasswordMode==EPasswordOnceADay)

		iPrevPasswordDay=-1;	// Force a password to be displayed on the this switch on

	if (triggerNow)

		SwitchOn();

	}

TInt CWsPassword::Day()

//

// Return the current day taking into account the password midnight offset

//

	{

	TTime now;

	now.HomeTime();

	now-=TTimeIntervalHours(EPasswordMidnightOffset);

	return(now.DateTime().Day());

	}

void CWsPassword::SwitchOn()

	{

	if (!iPasswordModeActive && iPasswordWindow && iPasswordMode!=EPasswordNone)

		{

		if (iPasswordMode==EPasswordOnceADay)

			{

			TInt oldDay=iPrevPasswordDay;

			iPrevPasswordDay=Day();

			if (iPrevPasswordDay==oldDay)

				return;		// No password display needed

			}

		iPasswordModeActive=ETrue;

		iPasswordWindow->WinGroup()->QueueEvent(EEventPassword);

		iPasswordWindow->WinGroup()->SetOrdinalPriority(0,KPasswordWindowGroupPriority);

		iPasswordWindow->SetOrdinalPosition(0);

		iPasswordWindow->SetVisible(ETrue);

//

		iPasswordWindow->RootWindow()->InvalidateWholeScreen();

		iPasswordWindow->RootWindow()->ClearDisplay();

		}

	}

void CWsPassword::PasswordEntered(CWsClient *aClient)

	{

	if (!iPasswordWindow || aClient!=iPasswordWindow->WsOwner())

		aClient->PPanic(EWservPanicPassword);

	iPasswordModeActive=EFalse;

	}