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 31namespace WebCore { 32 33using namespace HTMLNames; 34 35inline HTMLLegendElement::HTMLLegendElement(const QualifiedName& tagName, Document* document, HTMLFormElement* form) 36 : HTMLFormControlElement(tagName, document, form) 37{ 38 ASSERT(hasTagName(legendTag)); 39} 40 41PassRefPtr<HTMLLegendElement> HTMLLegendElement::create(const QualifiedName& tagName, Document* document, HTMLFormElement* form) 42{ 43 return adoptRef(new HTMLLegendElement(tagName, document, form)); 44} 45 46bool HTMLLegendElement::supportsFocus() const 47{ 48 return HTMLElement::supportsFocus(); 49} 50 51const AtomicString& HTMLLegendElement::formControlType() const 52{ 53 DEFINE_STATIC_LOCAL(const AtomicString, legend, ("legend")); 54 return legend; 55} 56 57HTMLFormControlElement* 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 80void 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 90void HTMLLegendElement::accessKeyAction(bool sendToAnyElement) 91{ 92 if (HTMLFormControlElement* control = associatedControl()) 93 control->accessKeyAction(sendToAnyElement); 94} 95 96} // namespace 97