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 HTMLProgressElement_h
22#define HTMLProgressElement_h
23
24#if ENABLE(PROGRESS_ELEMENT)
25#include "LabelableElement.h"
26
27namespace WebCore {
28
29class ProgressValueElement;
30class RenderProgress;
31
32class HTMLProgressElement FINAL : public LabelableElement {
33public:
34    static const double IndeterminatePosition;
35    static const double InvalidPosition;
36
37    static PassRefPtr<HTMLProgressElement> create(const QualifiedName&, Document*);
38
39    double value() const;
40    void setValue(double, ExceptionCode&);
41
42    double max() const;
43    void setMax(double, ExceptionCode&);
44
45    double position() const;
46
47    virtual bool canContainRangeEndPoint() const { return false; }
48
49private:
50    HTMLProgressElement(const QualifiedName&, Document*);
51    virtual ~HTMLProgressElement();
52
53    virtual bool areAuthorShadowsAllowed() const OVERRIDE { return false; }
54    virtual bool shouldAppearIndeterminate() const OVERRIDE;
55    virtual bool supportLabels() const OVERRIDE { return true; }
56
57    virtual RenderObject* createRenderer(RenderArena*, RenderStyle*);
58    virtual bool childShouldCreateRenderer(const NodeRenderingContext&) const OVERRIDE;
59    RenderProgress* renderProgress() const;
60
61    virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
62
63    virtual void attach(const AttachContext& = AttachContext()) OVERRIDE;
64
65    void didElementStateChange();
66    virtual void didAddUserAgentShadowRoot(ShadowRoot*) OVERRIDE;
67    bool isDeterminate() const;
68
69    ProgressValueElement* m_value;
70};
71
72inline bool isHTMLProgressElement(Node* node)
73{
74    ASSERT(node);
75    return node->hasTagName(HTMLNames::progressTag);
76}
77
78inline HTMLProgressElement* toHTMLProgressElement(Node* node)
79{
80    ASSERT_WITH_SECURITY_IMPLICATION(!node || isHTMLProgressElement(node));
81    return static_cast<HTMLProgressElement*>(node);
82}
83
84} // namespace
85
86#endif
87#endif
88