1/*
2 * Copyright (C) 2008 Apple Inc. All Rights Reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef ScrollbarThemeQt_h
27#define ScrollbarThemeQt_h
28
29#include "ScrollbarTheme.h"
30
31#include <QtCore/qglobal.h>
32
33QT_BEGIN_NAMESPACE
34class QStyle;
35QT_END_NAMESPACE
36
37namespace WebCore {
38
39class ScrollbarThemeQt : public ScrollbarTheme {
40public:
41    virtual ~ScrollbarThemeQt();
42
43    virtual bool paint(Scrollbar*, GraphicsContext*, const IntRect& damageRect);
44    virtual void paintScrollCorner(ScrollView*, GraphicsContext*, const IntRect& cornerRect);
45
46    virtual ScrollbarPart hitTest(Scrollbar*, const PlatformMouseEvent&);
47
48    virtual bool shouldCenterOnThumb(Scrollbar*, const PlatformMouseEvent&);
49
50    virtual void invalidatePart(Scrollbar*, ScrollbarPart);
51
52    virtual int thumbPosition(Scrollbar*);
53    virtual int thumbLength(Scrollbar*);
54    virtual int trackPosition(Scrollbar*);
55    virtual int trackLength(Scrollbar*);
56
57    virtual int scrollbarThickness(ScrollbarControlSize = RegularScrollbar);
58
59    QStyle* style() const;
60};
61
62}
63#endif
64