--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/emailuis/emailui/src/ceuiexitguardian.cpp	Thu Dec 17 08:39:21 2009 +0200
@@ -0,0 +1,152 @@
+/*
+* 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;
+
+    delete iIdle;
+    }
+
+// ---------------------------------------------------------------------------
+// CEUiExitGuardian::ConstructL
+//
+// ---------------------------------------------------------------------------
+//
+void CEUiExitGuardian::ConstructL()
+    {
+    FUNC_LOG;
+
+    iIdle = CIdle::NewL(CActive::EPriorityStandard);
+    }
+
+// ---------------------------------------------------------------------------
+// CEUiExitGuardian::EnterLC
+//
+// ---------------------------------------------------------------------------
+//
+void CEUiExitGuardian::EnterLC()
+    {
+    FUNC_LOG;
+
+    if (iExitPending)
+        {
+        User::Leave(KErrNotReady);
+        }
+    iEnterCount++;
+    CleanupStack::PushL(TCleanupItem(Exit, this));
+    }
+
+// ---------------------------------------------------------------------------
+// CEUiExitGuardian::Exit
+//
+// ---------------------------------------------------------------------------
+//
+void CEUiExitGuardian::Exit(TAny* aPtr)
+    {
+    FUNC_LOG;
+
+    reinterpret_cast<CEUiExitGuardian*>(aPtr)->DoExit();
+    }
+
+// ---------------------------------------------------------------------------
+// CEUiExitGuardian::DoExit
+//
+// ---------------------------------------------------------------------------
+//
+void CEUiExitGuardian::DoExit()
+    {
+    FUNC_LOG;
+
+    iEnterCount--;
+    if (iExitPending && !iEnterCount && !iIdle->IsActive())
+        {
+        // Start async exit processing to rewind recursion before the actual
+        // exit
+        iIdle->Start( TCallBack( IdleCallBack, this ) );
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CEUiExitGuardian::IdleCallBack
+//
+// ---------------------------------------------------------------------------
+//
+TInt CEUiExitGuardian::IdleCallBack( TAny* aPtr )
+    {
+    FUNC_LOG;
+
+    reinterpret_cast<CEUiExitGuardian*>( aPtr )->iAppUi.ExitNow();
+    return KErrNone;
+    }
+
+// ---------------------------------------------------------------------------
+// CEUiExitGuardian::ExitApplication
+//
+// ---------------------------------------------------------------------------
+//
+TInt CEUiExitGuardian::ExitApplication()
+    {
+    FUNC_LOG;
+
+    TInt result( KRequestPending );
+    iExitPending = ETrue;
+    if (!iEnterCount)
+        {
+        result = KErrNone;
+        iAppUi.ExitNow();
+        }
+    return result;
+    }
+
+// end of file