1/*
2 * Copyright (C) 2010 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 *
8 * 1.  Redistributions of source code must retain the above copyright
9 *     notice, this list of conditions and the following disclaimer.
10 * 2.  Redistributions in binary form must reproduce the above copyright
11 *     notice, this list of conditions and the following disclaimer in the
12 *     documentation and/or other materials provided with the distribution.
13 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14 *     its contributors may be used to endorse or promote products derived
15 *     from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#ifndef AccessibilityScrollbar_h
30#define AccessibilityScrollbar_h
31
32#include "AccessibilityMockObject.h"
33
34namespace WebCore {
35
36class Scrollbar;
37
38class AccessibilityScrollbar : public AccessibilityMockObject {
39public:
40    static PassRefPtr<AccessibilityScrollbar> create(Scrollbar*);
41
42    Scrollbar* scrollbar() const { return m_scrollbar.get(); }
43
44private:
45    explicit AccessibilityScrollbar(Scrollbar*);
46
47    virtual bool canSetValueAttribute() const { return true; }
48    virtual bool canSetNumericValue() const { return true; }
49
50    virtual bool isAccessibilityScrollbar() const { return true; }
51    virtual LayoutRect elementRect() const;
52
53    virtual AccessibilityRole roleValue() const { return ScrollBarRole; }
54    virtual AccessibilityOrientation orientation() const;
55    virtual Document* document() const;
56    virtual bool isEnabled() const;
57
58    // Assumes float [0..1]
59    virtual void setValue(float);
60    virtual float valueForRange() const;
61
62    RefPtr<Scrollbar> m_scrollbar;
63};
64
65} // namespace WebCore
66
67#endif // AccessibilityScrollbar_h
68