1/*
2 *  Copyright (C) 2007, 2009 Holger Hans Peter Freyther zecke@selfish.org
3 *  Copyright (C) 2010 Gustavo Noronha Silva <gns@gnome.org>
4 *  Copyright (C) 2010 Collabora Ltd.
5 *  Copyright (C) 2010, 2011 Igalia S.L.
6 *
7 *  This library is free software; you can redistribute it and/or
8 *  modify it under the terms of the GNU Lesser General Public
9 *  License as published by the Free Software Foundation; either
10 *  version 2 of the License, or (at your option) any later version.
11 *
12 *  This library is distributed in the hope that it will be useful,
13 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
14 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15 *  Lesser General Public License for more details.
16 *
17 *  You should have received a copy of the GNU Lesser General Public
18 *  License along with this library; if not, write to the Free Software
19 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
20 */
21
22#include "config.h"
23#include "MainFrameScrollbarGtk.h"
24
25#include "GtkVersioning.h"
26#include "IntRect.h"
27#include "ScrollableArea.h"
28#include <gtk/gtk.h>
29
30using namespace WebCore;
31
32PassRefPtr<MainFrameScrollbarGtk> MainFrameScrollbarGtk::create(ScrollableArea* scrollableArea, ScrollbarOrientation orientation)
33{
34    return adoptRef(new MainFrameScrollbarGtk(scrollableArea, orientation));
35}
36
37// A MainFrameScrollbar is just a non-painting scrollbar. Otherwise it is fully
38// functional. A non-painting scrollbar allows a main-frame ScrollView to use
39// a containing GtkScrolledWindow as its user interface. The ChromeClient in the
40// WebKit layer just listens for scrolling and sizing changes and updates its
41// container (the GtkScrolledWindow) accordingly. The ScrollView is responsible
42// for deciding whether or not to create a MainFrameScrollbar or native scrollbar.
43MainFrameScrollbarGtk::MainFrameScrollbarGtk(ScrollableArea* scrollableArea, ScrollbarOrientation orientation)
44    : Scrollbar(scrollableArea, orientation, RegularScrollbar)
45{
46    // We don't want to take up any space.
47    resize(0, 0);
48}
49
50void MainFrameScrollbarGtk::paint(GraphicsContext*, const IntRect&)
51{
52    // Main frame scrollbars are not painted by WebCore.
53    return;
54}
55