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diff --git a/Source/WebCore/platform/gtk/MainFrameScrollbarGtk.h b/Source/WebCore/platform/gtk/MainFrameScrollbarGtk.h
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+/*
+ * Copyright (C) 2010 Igalia S.L.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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 for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+
+#ifndef MainFrameScrollbarGtk_h
+#define MainFrameScrollbarGtk_h
+
+#include "GRefPtrGtk.h"
+#include "Scrollbar.h"
+#include <wtf/PassRefPtr.h>
+
+typedef struct _GtkAdjustment GtkAdjustment;
+
+namespace WebCore {
+
+class MainFrameScrollbarGtk : public Scrollbar {
+public:
+ ~MainFrameScrollbarGtk();
+ virtual void paint(GraphicsContext*, const IntRect&);
+ void detachAdjustment();
+ void attachAdjustment(GtkAdjustment*);
+ static PassRefPtr<MainFrameScrollbarGtk> create(ScrollbarClient*, ScrollbarOrientation, GtkAdjustment*);
+
+protected:
+ virtual void updateThumbPosition();
+ virtual void updateThumbProportion();
+
+private:
+ MainFrameScrollbarGtk(ScrollbarClient*, ScrollbarOrientation, GtkAdjustment*);
+ static void gtkValueChanged(GtkAdjustment*, MainFrameScrollbarGtk*);
+
+ GRefPtr<GtkAdjustment> m_adjustment;
+};
+
+}
+
+#endif // ScrollbarGtk_h