sl@0: // Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // Password handling
sl@0: // 
sl@0: //
sl@0: 
sl@0: #include <e32std.h>
sl@0: #include "W32STD.H"
sl@0: #include "server.h"
sl@0: #include "rootwin.h"
sl@0: #include "windowgroup.h"
sl@0: #include "password.h"
sl@0: 
sl@0: TBool CWsPassword::iPasswordModeActive=EFalse;
sl@0: TPasswordMode CWsPassword::iPasswordMode=EPasswordCancel;
sl@0: CWsClientWindow *CWsPassword::iPasswordWindow=NULL;
sl@0: TInt CWsPassword::iPrevPasswordDay=-1;
sl@0: 
sl@0: void CWsPassword::WindowDestroyed(CWsClientWindow *aWindow)
sl@0: 	{
sl@0: 	if (aWindow==iPasswordWindow)
sl@0: 		CancelPasswordWindow();
sl@0: 	}
sl@0: 
sl@0: void CWsPassword::CancelPasswordWindow()
sl@0: 	{
sl@0: 	iPasswordWindow=NULL;
sl@0: 	iPasswordModeActive=EFalse;
sl@0: 	}
sl@0: 
sl@0: void CWsPassword::SetPasswordWindowL(CWsClientWindow *aWindow, TPasswordMode aPasswordMode)
sl@0: 	{
sl@0: 	TBool triggerNow=EFalse;
sl@0: 	if (aPasswordMode==EPasswordAlwaysTriggerNow || aPasswordMode==EPasswordOnceADayTriggerNow)
sl@0: 		{
sl@0: 		triggerNow=ETrue;
sl@0: 		if (aPasswordMode==EPasswordOnceADayTriggerNow)
sl@0: 			aPasswordMode=EPasswordOnceADay;
sl@0: 		else
sl@0: 			aPasswordMode=EPasswordAlways;
sl@0: 		}
sl@0: 	if (aPasswordMode==EPasswordCancel)
sl@0: 		{
sl@0: 		if (aWindow!=iPasswordWindow)
sl@0: 			aWindow->OwnerPanic(EWservPanicPassword);
sl@0: 		CancelPasswordWindow();
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		if (iPasswordWindow && iPasswordWindow!=aWindow)
sl@0: 			User::Leave(KErrInUse);
sl@0: 		if (aPasswordMode!=EPasswordAlways && aPasswordMode!=EPasswordOnceADay && aPasswordMode!=EPasswordNone)
sl@0: 			aWindow->OwnerPanic(EWservPanicPassword);
sl@0: 		iPasswordWindow=aWindow;
sl@0: 		}
sl@0: 	iPasswordMode=aPasswordMode;
sl@0: 	if (iPasswordMode==EPasswordOnceADay)
sl@0: 		iPrevPasswordDay=-1;	// Force a password to be displayed on the this switch on
sl@0: 	if (triggerNow)
sl@0: 		SwitchOn();
sl@0: 	}
sl@0: 
sl@0: TInt CWsPassword::Day()
sl@0: //
sl@0: // Return the current day taking into account the password midnight offset
sl@0: //
sl@0: 	{
sl@0: 	TTime now;
sl@0: 	now.HomeTime();
sl@0: 	now-=TTimeIntervalHours(EPasswordMidnightOffset);
sl@0: 	return(now.DateTime().Day());
sl@0: 	}
sl@0: 
sl@0: void CWsPassword::SwitchOn()
sl@0: 	{
sl@0: 	if (!iPasswordModeActive && iPasswordWindow && iPasswordMode!=EPasswordNone)
sl@0: 		{
sl@0: 		if (iPasswordMode==EPasswordOnceADay)
sl@0: 			{
sl@0: 			TInt oldDay=iPrevPasswordDay;
sl@0: 			iPrevPasswordDay=Day();
sl@0: 			if (iPrevPasswordDay==oldDay)
sl@0: 				return;		// No password display needed
sl@0: 			}
sl@0: 		iPasswordModeActive=ETrue;
sl@0: 		iPasswordWindow->WinGroup()->QueueEvent(EEventPassword);
sl@0: 		iPasswordWindow->WinGroup()->SetOrdinalPriority(0,KPasswordWindowGroupPriority);
sl@0: 		iPasswordWindow->SetOrdinalPosition(0);
sl@0: 		iPasswordWindow->SetVisible(ETrue);
sl@0: //
sl@0: 		iPasswordWindow->RootWindow()->InvalidateWholeScreen();
sl@0: 		iPasswordWindow->RootWindow()->ClearDisplay();
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: void CWsPassword::PasswordEntered(CWsClient *aClient)
sl@0: 	{
sl@0: 	if (!iPasswordWindow || aClient!=iPasswordWindow->WsOwner())
sl@0: 		aClient->PPanic(EWservPanicPassword);
sl@0: 	iPasswordModeActive=EFalse;
sl@0: 	}