diff -r a3a1ae9acec6 -r da5135c61bad emailuis/uicomponents/inc/tuicscrollbarmodel.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/emailuis/uicomponents/inc/tuicscrollbarmodel.h	Wed Mar 31 21:08:33 2010 +0300
@@ -0,0 +1,105 @@
+/*
+* 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: tuicscrollbarmodel.h
+*
+*/
+
+#ifndef T_UICSCROLLBARMODEL_H
+#define T_UICSCROLLBARMODEL_H
+
+#include <e32base.h>
+
+/**
+ * TUiCScrollBarModel
+ * 
+ */
+class TUiCScrollBarModel
+    {
+
+public:
+    
+    /**
+     * Constructor
+     */
+    TUiCScrollBarModel();
+
+public: // model
+
+    /**
+     * Set total height
+     */
+    void SetHeight( TInt aHeight );
+    
+    /**
+     * Total height
+     */
+    TInt Height() const;
+    
+    /**
+     * Set window height
+     */
+    void SetWindowHeight( TInt aHeight );
+    
+    /**
+     * Window height
+     */
+    TInt WindowHeight() const;
+    
+    /**
+     * Sets top position of the window
+     */
+    void SetWindowPosition( TInt aPosition );
+
+    /**
+     * Top position of the window
+     */
+    TInt WindowPosition() const;
+
+    /**
+     * Height of the thumb
+     */
+    TInt ThumbHeight() const;
+    
+    /**
+     * Position of thumb inside the window
+     */
+    TInt ThumbPosition() const;
+    
+    /**
+     * Returns ETrue if total height is greater than window height
+     */
+    TBool ScrollBarNeeded() const;
+
+private:
+    
+    /**
+     * Returns minimum thumb height (from layout data)
+     */
+    TInt MinimumThumbHeight() const;
+    
+    /**
+     * Returns calculated thumb height. Thumb height is calculated,
+     * unless this result is smaller than MinimumThumbHeight().
+     */
+    TInt CalculatedThumbHeight() const;
+
+private:
+
+    TInt iHeight;
+    TInt iWindowHeight;
+    TInt iWindowPosition;
+
+    };
+
+#endif /* T_UICSCROLLBARMODEL_H */