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diff --git a/slideshow/source/inc/expressionnodefactory.hxx b/slideshow/source/inc/expressionnodefactory.hxx
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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#ifndef INCLUDED_SLIDESHOW_EXPRESSIONNODEFACTORY_HXX
+#define INCLUDED_SLIDESHOW_EXPRESSIONNODEFACTORY_HXX
+
+#include "expressionnode.hxx"
+
+#include <basegfx/vector/b2dsize.hxx>
+#include <basegfx/range/b2drectangle.hxx>
+
+
+/* Definition of ExpressionNodeFactory class */
+
+namespace slideshow
+{
+    namespace internal
+    {
+        /** ExpressionNode factory
+
+            This class can be used to generate a wide variety of
+            ExpressionNode objects, e.g. when parsing SMIL function
+            expressions.
+        */
+        class ExpressionNodeFactory
+        {
+        public:
+            static ExpressionNodeSharedPtr createConstantValueExpression( double rConstantValue );
+
+            static ExpressionNodeSharedPtr createValueTExpression    ();
+
+            static ExpressionNodeSharedPtr createPlusExpression      ( const ExpressionNodeSharedPtr&   rLHS,
+                                                                       const ExpressionNodeSharedPtr&   rRHS );
+            static ExpressionNodeSharedPtr createMinusExpression     ( const ExpressionNodeSharedPtr&   rLHS,
+                                                                       const ExpressionNodeSharedPtr&   rRHS );
+            static ExpressionNodeSharedPtr createMultipliesExpression( const ExpressionNodeSharedPtr&   rLHS,
+                                                                       const ExpressionNodeSharedPtr&   rRHS );
+            static ExpressionNodeSharedPtr createDividesExpression   ( const ExpressionNodeSharedPtr&   rLHS,
+                                                                       const ExpressionNodeSharedPtr&   rRHS );
+
+            /** Composes two ExpressionNode function.
+
+                The resulting expression will calculate
+                rOuterFunction( rInnerFunction(t) ).
+             */
+            static ExpressionNodeSharedPtr createComposedExpression  ( const ExpressionNodeSharedPtr&   rOuterFunction,
+                                                                       const ExpressionNodeSharedPtr&   rInnerFunction );
+
+            static ExpressionNodeSharedPtr createMinExpression      ( const ExpressionNodeSharedPtr&    rOuterFunction,
+                                                                      const ExpressionNodeSharedPtr&    rInnerFunction );
+
+            static ExpressionNodeSharedPtr createMaxExpression      ( const ExpressionNodeSharedPtr&    rOuterFunction,
+                                                                      const ExpressionNodeSharedPtr&    rInnerFunction );
+        };
+    }
+}
+
+#endif /* INCLUDED_SLIDESHOW_EXPRESSIONNODEFACTORY_HXX */