--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/emailuis/emailui/src/ceuiexitguardian.cpp	Wed Sep 01 12:28:57 2010 +0100
@@ -0,0 +1,124 @@
+/*
+* Copyright (c) 2007-2008 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:  FreestyleEmailUi exit guardian implementation.
+*
+*/
+
+#include "FreestyleEmailUiAppui.h"
+#include "ceuiexitguardian.h"
+#include "emailtrace.h"
+
+
+// ---------------------------------------------------------------------------
+// CEUiExitGuardian::NewL
+//
+// ---------------------------------------------------------------------------
+//
+CEUiExitGuardian* CEUiExitGuardian::NewL( CFreestyleEmailUiAppUi& aAppUi )
+    {
+    FUNC_LOG;
+
+    CEUiExitGuardian* self = new (ELeave) CEUiExitGuardian( aAppUi );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// CEUiExitGuardian::CEUiExitGuardian
+//
+// ---------------------------------------------------------------------------
+//
+CEUiExitGuardian::CEUiExitGuardian( CFreestyleEmailUiAppUi& aAppUi )
+    : iAppUi( aAppUi )
+    {
+    FUNC_LOG;
+    }
+
+// ---------------------------------------------------------------------------
+// CEUiExitGuardian::~CEUiExitGuardian
+//
+// ---------------------------------------------------------------------------
+//
+CEUiExitGuardian::~CEUiExitGuardian()
+    {
+    FUNC_LOG;
+
+    if ( iPeriodicTimer )
+        {
+        iPeriodicTimer->Cancel();
+        delete iPeriodicTimer;
+        }
+    }
+
+
+// ---------------------------------------------------------------------------
+// CEUiExitGuardian::ConstructL
+//
+// ---------------------------------------------------------------------------
+//
+void CEUiExitGuardian::ConstructL()
+    {
+    FUNC_LOG;
+
+    iPeriodicTimer = CPeriodic::NewL( CActive::EPriorityStandard );
+    iPeriodicTimerStarted = EFalse;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CEUiExitGuardian::PeriodicCallBack
+//
+// ---------------------------------------------------------------------------
+//
+TInt CEUiExitGuardian::PeriodicCallBack( TAny* aPtr )
+    {
+    FUNC_LOG;
+
+    reinterpret_cast<CEUiExitGuardian*>(aPtr)->TryExitApplication();
+    return KErrNone;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CEUiExitGuardian::TryExitApplication
+//
+// ---------------------------------------------------------------------------
+//
+TInt CEUiExitGuardian::TryExitApplication()
+    {
+    FUNC_LOG;
+    const TInt KDelay = 200*1000; // 200 ms
+    
+    TInt ret = KRequestPending;
+
+    CActiveScheduler* scheduler = CActiveScheduler::Current();
+    TInt nestedLevelCount = scheduler->StackDepth();
+    if ( nestedLevelCount == 1 )
+        {
+        iPeriodicTimer->Cancel();
+        iAppUi.ExitNow();
+        ret = KErrNone;
+        }
+    else if ( !iPeriodicTimerStarted )
+        {
+        iPeriodicTimer->Start( KDelay, KDelay, TCallBack(PeriodicCallBack, this) );
+        iPeriodicTimerStarted = ETrue;
+        }
+    
+    return ret;
+    }
+
+// end of file