1/*
2 *  Copyright (C) 2010 Igalia S.L.
3 *
4 *  This library is free software; you can redistribute it and/or
5 *  modify it under the terms of the GNU Lesser General Public
6 *  License as published by the Free Software Foundation; either
7 *  version 2 of the License, or (at your option) any later version.
8 *
9 *  This library is distributed in the hope that it will be useful,
10 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
11 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12 *  Lesser General Public License for more details.
13 *
14 *  You should have received a copy of the GNU Lesser General Public
15 *  License along with this library; if not, write to the Free Software
16 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
17 */
18
19
20#ifndef MainFrameScrollbarGtk_h
21#define MainFrameScrollbarGtk_h
22
23#include "GRefPtrGtk.h"
24#include "Scrollbar.h"
25#include <wtf/PassRefPtr.h>
26
27typedef struct _GtkAdjustment GtkAdjustment;
28
29namespace WebCore {
30
31class MainFrameScrollbarGtk : public Scrollbar {
32public:
33    static PassRefPtr<MainFrameScrollbarGtk> create(ScrollableArea*, ScrollbarOrientation, GtkAdjustment*);
34
35    ~MainFrameScrollbarGtk();
36    virtual void paint(GraphicsContext*, const IntRect&);
37    void detachAdjustment();
38    void attachAdjustment(GtkAdjustment*);
39
40protected:
41    virtual void updateThumbPosition();
42    virtual void updateThumbProportion();
43
44private:
45    MainFrameScrollbarGtk(ScrollableArea*, ScrollbarOrientation, GtkAdjustment*);
46    static void gtkValueChanged(GtkAdjustment*, MainFrameScrollbarGtk*);
47
48    GRefPtr<GtkAdjustment> m_adjustment;
49};
50
51}
52
53#endif // ScrollbarGtk_h
54