diff -r 3ab5c078b490 -r 0b3699f6c654 taskswitcher/backstepping/src/tsbacksteppingfilter.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/taskswitcher/backstepping/src/tsbacksteppingfilter.cpp	Fri Sep 17 08:32:18 2010 +0300
@@ -0,0 +1,73 @@
+/*
+* Copyright (c) 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:
+*
+*/
+#include "tsbacksteppingfilter.h"
+
+const TInt KBlockedApps [] = {0x100058b3/* <-- phoneui.exe */,
+                              0x2001843A/* <-- javainstaller */};
+
+// -----------------------------------------------------------------------------
+/** 
+ * CTsBacksteppingFilter::NewL
+ */
+CTsBacksteppingFilter* CTsBacksteppingFilter::NewL()
+    {
+    CTsBacksteppingFilter *self = new(ELeave)CTsBacksteppingFilter();
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+/** 
+ * CTsBacksteppingFilter::~CTsBacksteppingFilter
+ */
+CTsBacksteppingFilter::~CTsBacksteppingFilter()
+    {
+    iBlockedApps.Close();
+    }
+
+// -----------------------------------------------------------------------------
+/** 
+ * CTsBacksteppingFilter::isBlocked
+ */
+TBool CTsBacksteppingFilter::isBlocked( TUid aApplicationUid ) const
+    {
+    return KErrNotFound != iBlockedApps.Find( aApplicationUid );
+    }
+
+// -----------------------------------------------------------------------------
+/** 
+ * CTsBacksteppingFilter::CTsBacksteppingFilter
+ */
+CTsBacksteppingFilter::CTsBacksteppingFilter()
+    {
+    //No implementation required
+    }
+
+// -----------------------------------------------------------------------------
+/** 
+ * CTsBacksteppingFilter::ConstructL
+ */
+void CTsBacksteppingFilter::ConstructL()
+    {
+    const TInt count(sizeof( KBlockedApps ) / sizeof(TInt)); 
+    for( TInt offset(0);offset < count; ++offset )
+        {
+        iBlockedApps.AppendL(TUid::Uid(KBlockedApps[offset]));
+        }
+    }