1/*
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3 *           (C) 1999 Antti Koivisto (koivisto@kde.org)
4 *           (C) 2000 Dirk Mueller (mueller@kde.org)
5 * Copyright (C) 2004, 2005, 2006, 2010, 2011 Apple Inc. All rights reserved.
6 * Copyright (C) 2010 Google Inc. All rights reserved.
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16 * Library General Public License for more details.
17 *
18 * You should have received a copy of the GNU Library General Public License
19 * along with this library; see the file COPYING.LIB.  If not, write to
20 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
21 * Boston, MA 02110-1301, USA.
22 *
23 */
24
25#ifndef HTMLOptionElement_h
26#define HTMLOptionElement_h
27
28#include "HTMLElement.h"
29
30namespace WebCore {
31
32class HTMLDataListElement;
33class HTMLSelectElement;
34
35class HTMLOptionElement FINAL : public HTMLElement {
36public:
37    static PassRefPtr<HTMLOptionElement> create(Document*);
38    static PassRefPtr<HTMLOptionElement> create(const QualifiedName&, Document*);
39    static PassRefPtr<HTMLOptionElement> createForJSConstructor(Document*, const String& data, const String& value,
40       bool defaultSelected, bool selected, ExceptionCode&);
41
42    virtual String text() const;
43    void setText(const String&, ExceptionCode&);
44
45    int index() const;
46
47    String value() const;
48    void setValue(const String&);
49
50    bool selected();
51    void setSelected(bool);
52
53#if ENABLE(DATALIST_ELEMENT)
54    HTMLDataListElement* ownerDataListElement() const;
55#endif
56    HTMLSelectElement* ownerSelectElement() const;
57
58    String label() const;
59    void setLabel(const String&);
60
61    bool ownElementDisabled() const { return m_disabled; }
62
63    virtual bool isDisabledFormControl() const OVERRIDE;
64
65    String textIndentedToRespectGroupLabel() const;
66
67    void setSelectedState(bool);
68
69private:
70    HTMLOptionElement(const QualifiedName&, Document*);
71
72    virtual bool supportsFocus() const OVERRIDE;
73    virtual bool isFocusable() const OVERRIDE;
74    virtual bool rendererIsNeeded(const NodeRenderingContext&) { return false; }
75    virtual void attach(const AttachContext& = AttachContext()) OVERRIDE;
76    virtual void detach(const AttachContext& = AttachContext()) OVERRIDE;
77
78    virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
79
80    virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE;
81    virtual void accessKeyAction(bool);
82
83    virtual void childrenChanged(bool changedByParser = false, Node* beforeChange = 0, Node* afterChange = 0, int childCountDelta = 0);
84
85    // <option> never has a renderer so we manually manage a cached style.
86    void updateNonRenderStyle();
87    virtual RenderStyle* nonRendererStyle() const OVERRIDE;
88    virtual PassRefPtr<RenderStyle> customStyleForRenderer() OVERRIDE;
89
90    void didRecalcStyle(StyleChange) OVERRIDE;
91
92    String collectOptionInnerText() const;
93
94    bool m_disabled;
95    bool m_isSelected;
96    RefPtr<RenderStyle> m_style;
97};
98
99HTMLOptionElement* toHTMLOptionElement(Node*);
100const HTMLOptionElement* toHTMLOptionElement(const Node*);
101void toHTMLOptionElement(const HTMLOptionElement*); // This overload will catch anyone doing an unnecessary cast.
102
103#ifdef NDEBUG
104
105// The debug versions of these, with assertions, are not inlined.
106
107inline HTMLOptionElement* toHTMLOptionElement(Node* node)
108{
109    return static_cast<HTMLOptionElement*>(node);
110}
111
112inline const HTMLOptionElement* toHTMLOptionElement(const Node* node)
113{
114    return static_cast<const HTMLOptionElement*>(node);
115}
116
117#endif
118
119} // namespace
120
121#endif
122