diff -r 000000000000 -r 8466d47a6819 emailuis/uicomponents/src/fsinteractioninterval.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/emailuis/uicomponents/src/fsinteractioninterval.cpp	Thu Dec 17 08:39:21 2009 +0200
@@ -0,0 +1,82 @@
+/*
+* Copyright (c) 2006-2007 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:  CFsInteractionInterval is a utility class that can be used 
+*                as specify intervals that adapt to user input.
+*
+*/
+
+
+#include "emailtrace.h"
+#include "fsinteractioninterval.h"  // Class definition
+
+
+CFsInteractionInterval::CFsInteractionInterval(TReal32 aScalar)
+        : iScalar(aScalar), iLastTimeMs(0)
+    {
+    FUNC_LOG;
+    iLastTime.UniversalTime();
+    }
+
+
+void CFsInteractionInterval::SetScalar(TReal32 aScalar)
+    {
+    FUNC_LOG;
+    iScalar = aScalar;
+    }
+    
+    
+TReal32 CFsInteractionInterval::Scalar() const
+    {
+    FUNC_LOG;
+    return iScalar;
+    }
+    
+
+TInt CFsInteractionInterval::Interval(TInt aIntervalTime)
+    {
+    FUNC_LOG;
+    TTime now;
+    
+    now.UniversalTime();
+    
+    TInt64 delta;
+    TUint32 elapsed(0);
+    
+    delta = now.MicroSecondsFrom( iLastTime ).Int64() / 1000;
+    elapsed = delta;
+    
+    if(iScalar * elapsed < aIntervalTime)
+        {
+        // The last movement is probably still going on.
+        aIntervalTime = TInt(elapsed * iScalar);
+        }
+    
+    iLastTime = now;
+    return aIntervalTime;
+    /*
+    TUint32 now = CHuiStatic::MilliSecondsSinceStart();
+    TUint32 elapsed = now - iLastTimeMs;
+    
+    if(iScalar * elapsed < aIntervalTime)
+        {
+        // The last movement is probably still going on.
+        aIntervalTime = TInt(elapsed * iScalar);
+        }
+        
+    iLastTimeMs = now;
+    
+    return aIntervalTime;
+    */
+    }
+