// 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;

 	}