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)
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.
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.
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.
26 #include "core/html/HTMLLegendElement.h"
28 #include "HTMLNames.h"
29 #include "core/dom/ElementTraversal.h"
30 #include "core/html/HTMLFieldSetElement.h"
31 #include "core/html/HTMLFormControlElement.h"
35 using namespace HTMLNames;
38 inline HTMLLegendElement::HTMLLegendElement(Document& document)
39 : HTMLElement(legendTag, document)
41 ScriptWrappable::init(this);
44 PassRefPtr<HTMLLegendElement> HTMLLegendElement::create(Document& document)
46 return adoptRef(new HTMLLegendElement(document));
49 HTMLFormControlElement* HTMLLegendElement::associatedControl()
51 // Check if there's a fieldset belonging to this legend.
52 Element* fieldset = parentElement();
53 while (fieldset && !fieldset->hasTagName(fieldsetTag))
54 fieldset = fieldset->parentElement();
58 // Find first form element inside the fieldset that is not a legend element.
59 // FIXME: Should we consider tabindex?
60 Element* element = fieldset;
61 while ((element = ElementTraversal::next(*element, fieldset))) {
62 if (element->isFormControlElement())
63 return toHTMLFormControlElement(element);
69 void HTMLLegendElement::focus(bool, FocusType type)
72 Element::focus(true, type);
74 // To match other browsers' behavior, never restore previous selection.
75 if (HTMLFormControlElement* control = associatedControl())
76 control->focus(false, type);
79 void HTMLLegendElement::accessKeyAction(bool sendMouseEvents)
81 if (HTMLFormControlElement* control = associatedControl())
82 control->accessKeyAction(sendMouseEvents);
85 HTMLFormElement* HTMLLegendElement::form() const
87 // According to the specification, If the legend has a fieldset element as
88 // its parent, then the form attribute must return the same value as the
89 // form attribute on that fieldset element. Otherwise, it must return null.
90 ContainerNode* fieldset = parentNode();
91 if (!fieldset || !fieldset->hasTagName(fieldsetTag))
94 return toHTMLFieldSetElement(fieldset)->formOwner();