1/*
2 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library 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 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public License
15 * along with this library; see the file COPYING.LIB.  If not, write to
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
18 *
19 */
20
21#ifndef AccessibilityProgressIndicator_h
22#define AccessibilityProgressIndicator_h
23
24#if ENABLE(PROGRESS_ELEMENT) || ENABLE(METER_ELEMENT)
25#include "AccessibilityRenderObject.h"
26
27namespace WebCore {
28
29#if ENABLE(METER_ELEMENT)
30class HTMLMeterElement;
31class RenderMeter;
32#endif
33
34#if ENABLE(PROGRESS_ELEMENT)
35class HTMLProgressElement;
36class RenderProgress;
37#endif
38
39class AccessibilityProgressIndicator : public AccessibilityRenderObject {
40public:
41#if ENABLE(PROGRESS_ELEMENT)
42    static PassRefPtr<AccessibilityProgressIndicator> create(RenderProgress*);
43#endif
44#if ENABLE(METER_ELEMENT)
45    static PassRefPtr<AccessibilityProgressIndicator> create(RenderMeter*);
46#endif
47
48private:
49    virtual AccessibilityRole roleValue() const { return ProgressIndicatorRole; }
50
51    virtual bool isProgressIndicator() const { return true; }
52
53    virtual float valueForRange() const;
54    virtual float maxValueForRange() const;
55    virtual float minValueForRange() const;
56
57#if ENABLE(PROGRESS_ELEMENT)
58    explicit AccessibilityProgressIndicator(RenderProgress*);
59    HTMLProgressElement* progressElement() const;
60#endif
61#if ENABLE(METER_ELEMENT)
62    explicit AccessibilityProgressIndicator(RenderMeter*);
63    HTMLMeterElement* meterElement() const;
64#endif
65
66    virtual bool computeAccessibilityIsIgnored() const;
67};
68
69
70} // namespace WebCore
71
72#endif // ENABLE(PROGRESS_ELEMENT) || ENABLE(METER_ELEMENT)
73
74#endif // AccessibilityProgressIndicator_h
75