1/*
2 * Copyright (C) 2009 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 AccessibilitySlider_h
30#define AccessibilitySlider_h
31
32#include "core/accessibility/AccessibilityMockObject.h"
33#include "core/accessibility/AccessibilityRenderObject.h"
34
35namespace WebCore {
36
37class HTMLInputElement;
38
39class AccessibilitySlider : public AccessibilityRenderObject {
40
41public:
42    static PassRefPtr<AccessibilitySlider> create(RenderObject*);
43    virtual ~AccessibilitySlider() { }
44
45protected:
46    explicit AccessibilitySlider(RenderObject*);
47
48private:
49    HTMLInputElement* element() const;
50    virtual AccessibilityObject* elementAccessibilityHitTest(const IntPoint&) const OVERRIDE;
51
52    virtual AccessibilityRole roleValue() const OVERRIDE { return SliderRole; }
53    virtual bool isSlider() const OVERRIDE { return true; }
54    virtual bool isControl() const OVERRIDE { return true; }
55
56    virtual void addChildren() OVERRIDE;
57
58    virtual bool canSetValueAttribute() const OVERRIDE { return true; }
59    const AtomicString& getAttribute(const QualifiedName& attribute) const;
60
61    virtual void setValue(const String&) OVERRIDE;
62    virtual float valueForRange() const OVERRIDE;
63    virtual float maxValueForRange() const OVERRIDE;
64    virtual float minValueForRange() const OVERRIDE;
65    virtual AccessibilityOrientation orientation() const OVERRIDE;
66};
67
68class AccessibilitySliderThumb : public AccessibilityMockObject {
69
70public:
71    static PassRefPtr<AccessibilitySliderThumb> create();
72    virtual ~AccessibilitySliderThumb() { }
73
74    virtual AccessibilityRole roleValue() const OVERRIDE { return SliderThumbRole; }
75
76    virtual LayoutRect elementRect() const OVERRIDE;
77
78private:
79    AccessibilitySliderThumb();
80
81    virtual bool computeAccessibilityIsIgnored() const OVERRIDE;
82};
83
84
85} // namespace WebCore
86
87#endif // AccessibilitySlider_h
88