1 /*
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3 * (C) 1999 Antti Koivisto (koivisto@kde.org)
4 * (C) 2001 Dirk Mueller (mueller@kde.org)
5 * Copyright (C) 2004, 2005, 2006, 2010 Apple Inc. All rights reserved.
6 * (C) 2006 Alexey Proskuryakov (ap@nypop.com)
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 #include "config.h"
26 #include "HTMLLegendElement.h"
27
28 #include "HTMLNames.h"
29 #include <wtf/StdLibExtras.h>
30
31 namespace WebCore {
32
33 using namespace HTMLNames;
34
HTMLLegendElement(const QualifiedName & tagName,Document * document,HTMLFormElement * form)35 inline HTMLLegendElement::HTMLLegendElement(const QualifiedName& tagName, Document* document, HTMLFormElement* form)
36 : HTMLFormControlElement(tagName, document, form)
37 {
38 ASSERT(hasTagName(legendTag));
39 }
40
create(const QualifiedName & tagName,Document * document,HTMLFormElement * form)41 PassRefPtr<HTMLLegendElement> HTMLLegendElement::create(const QualifiedName& tagName, Document* document, HTMLFormElement* form)
42 {
43 return adoptRef(new HTMLLegendElement(tagName, document, form));
44 }
45
supportsFocus() const46 bool HTMLLegendElement::supportsFocus() const
47 {
48 return HTMLElement::supportsFocus();
49 }
50
formControlType() const51 const AtomicString& HTMLLegendElement::formControlType() const
52 {
53 DEFINE_STATIC_LOCAL(const AtomicString, legend, ("legend"));
54 return legend;
55 }
56
associatedControl()57 HTMLFormControlElement* HTMLLegendElement::associatedControl()
58 {
59 // Check if there's a fieldset belonging to this legend.
60 ContainerNode* fieldset = parentNode();
61 while (fieldset && !fieldset->hasTagName(fieldsetTag))
62 fieldset = fieldset->parentNode();
63 if (!fieldset)
64 return 0;
65
66 // Find first form element inside the fieldset that is not a legend element.
67 // FIXME: Should we consider tabindex?
68 Node* node = fieldset;
69 while ((node = node->traverseNextNode(fieldset))) {
70 if (node->isElementNode()) {
71 Element* element = static_cast<Element*>(node);
72 if (!element->hasLocalName(legendTag) && element->isFormControlElement())
73 return static_cast<HTMLFormControlElement*>(element);
74 }
75 }
76
77 return 0;
78 }
79
focus(bool)80 void HTMLLegendElement::focus(bool)
81 {
82 if (isFocusable())
83 Element::focus();
84
85 // To match other browsers' behavior, never restore previous selection.
86 if (HTMLFormControlElement* control = associatedControl())
87 control->focus(false);
88 }
89
accessKeyAction(bool sendToAnyElement)90 void HTMLLegendElement::accessKeyAction(bool sendToAnyElement)
91 {
92 if (HTMLFormControlElement* control = associatedControl())
93 control->accessKeyAction(sendToAnyElement);
94 }
95
96 } // namespace
97