1 // Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

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

     5 // which accompanies this distribution, and is available

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

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // Password handling

    15 // 

    16 //

    17 

    18 #include <e32std.h>

    19 #include <w32std.h>

    20 #include "server.h"

    21 #include "rootwin.h"

    22 #include "windowgroup.h"

    23 #include "password.h"

    24 

    25 TBool CWsPassword::iPasswordModeActive=EFalse;

    26 TPasswordMode CWsPassword::iPasswordMode=EPasswordCancel;

    27 CWsClientWindow *CWsPassword::iPasswordWindow=NULL;

    28 TInt CWsPassword::iPrevPasswordDay=-1;

    29 

    30 void CWsPassword::WindowDestroyed(CWsClientWindow *aWindow)

    31 	{

    32 	if (aWindow==iPasswordWindow)

    33 		CancelPasswordWindow();

    34 	}

    35 

    36 void CWsPassword::CancelPasswordWindow()

    37 	{

    38 	iPasswordWindow=NULL;

    39 	iPasswordModeActive=EFalse;

    40 	}

    41 

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

    43 	{

    44 	TBool triggerNow=EFalse;

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

    46 		{

    47 		triggerNow=ETrue;

    48 		if (aPasswordMode==EPasswordOnceADayTriggerNow)

    49 			aPasswordMode=EPasswordOnceADay;

    50 		else

    51 			aPasswordMode=EPasswordAlways;

    52 		}

    53 	if (aPasswordMode==EPasswordCancel)

    54 		{

    55 		if (aWindow!=iPasswordWindow)

    56 			aWindow->OwnerPanic(EWservPanicPassword);

    57 		CancelPasswordWindow();

    58 		}

    59 	else

    60 		{

    61 		if (iPasswordWindow && iPasswordWindow!=aWindow)

    62 			User::Leave(KErrInUse);

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

    64 			aWindow->OwnerPanic(EWservPanicPassword);

    65 		iPasswordWindow=aWindow;

    66 		}

    67 	iPasswordMode=aPasswordMode;

    68 	if (iPasswordMode==EPasswordOnceADay)

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

    70 	if (triggerNow)

    71 		SwitchOn();

    72 	}

    73 

    74 TInt CWsPassword::Day()

    75 //

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

    77 //

    78 	{

    79 	TTime now;

    80 	now.HomeTime();

    81 	now-=TTimeIntervalHours(EPasswordMidnightOffset);

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

    83 	}

    84 

    85 void CWsPassword::SwitchOn()

    86 	{

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

    88 		{

    89 		if (iPasswordMode==EPasswordOnceADay)

    90 			{

    91 			TInt oldDay=iPrevPasswordDay;

    92 			iPrevPasswordDay=Day();

    93 			if (iPrevPasswordDay==oldDay)

    94 				return;		// No password display needed

    95 			}

    96 		iPasswordModeActive=ETrue;

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

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

    99 		iPasswordWindow->SetOrdinalPosition(0);

   100 		iPasswordWindow->SetVisible(ETrue);

   101 //

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

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

   104 		}

   105 	}

   106 

   107 void CWsPassword::PasswordEntered(CWsClient *aClient)

   108 	{

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

   110 		aClient->PPanic(EWservPanicPassword);

   111 	iPasswordModeActive=EFalse;

   112 	}