| /* |
| * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
| * (C) 1999 Antti Koivisto (koivisto@kde.org) |
| * (C) 2001 Dirk Mueller (mueller@kde.org) |
| * Copyright (C) 2004, 2005, 2006, 2010 Apple Inc. All rights reserved. |
| * (C) 2006 Alexey Proskuryakov (ap@nypop.com) |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| * |
| */ |
| |
| #include "config.h" |
| #include "core/html/HTMLFieldSetElement.h" |
| |
| #include "core/HTMLNames.h" |
| #include "core/dom/ElementTraversal.h" |
| #include "core/html/HTMLCollection.h" |
| #include "core/html/HTMLFormControlsCollection.h" |
| #include "core/html/HTMLLegendElement.h" |
| #include "core/html/HTMLObjectElement.h" |
| #include "core/rendering/RenderFieldset.h" |
| #include "wtf/StdLibExtras.h" |
| |
| namespace WebCore { |
| |
| using namespace HTMLNames; |
| |
| inline HTMLFieldSetElement::HTMLFieldSetElement(Document& document, HTMLFormElement* form) |
| : HTMLFormControlElement(fieldsetTag, document, form) |
| , m_documentVersion(0) |
| { |
| ScriptWrappable::init(this); |
| } |
| |
| PassRefPtrWillBeRawPtr<HTMLFieldSetElement> HTMLFieldSetElement::create(Document& document, HTMLFormElement* form) |
| { |
| return adoptRefWillBeNoop(new HTMLFieldSetElement(document, form)); |
| } |
| |
| void HTMLFieldSetElement::trace(Visitor* visitor) |
| { |
| #if ENABLE(OILPAN) |
| visitor->trace(m_associatedElements); |
| #endif |
| HTMLFormControlElement::trace(visitor); |
| } |
| |
| void HTMLFieldSetElement::invalidateDisabledStateUnder(Element& base) |
| { |
| for (Element* element = ElementTraversal::firstWithin(base); element; element = ElementTraversal::next(*element, &base)) { |
| if (element->isFormControlElement()) |
| toHTMLFormControlElement(element)->ancestorDisabledStateWasChanged(); |
| } |
| } |
| |
| void HTMLFieldSetElement::disabledAttributeChanged() |
| { |
| // This element must be updated before the style of nodes in its subtree gets recalculated. |
| HTMLFormControlElement::disabledAttributeChanged(); |
| invalidateDisabledStateUnder(*this); |
| } |
| |
| void HTMLFieldSetElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta) |
| { |
| HTMLFormControlElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta); |
| for (HTMLLegendElement* legend = Traversal<HTMLLegendElement>::firstChild(*this); legend; legend = Traversal<HTMLLegendElement>::nextSibling(*legend)) |
| invalidateDisabledStateUnder(*legend); |
| } |
| |
| bool HTMLFieldSetElement::supportsFocus() const |
| { |
| return HTMLElement::supportsFocus(); |
| } |
| |
| const AtomicString& HTMLFieldSetElement::formControlType() const |
| { |
| DEFINE_STATIC_LOCAL(const AtomicString, fieldset, ("fieldset", AtomicString::ConstructFromLiteral)); |
| return fieldset; |
| } |
| |
| RenderObject* HTMLFieldSetElement::createRenderer(RenderStyle*) |
| { |
| return new RenderFieldset(this); |
| } |
| |
| HTMLLegendElement* HTMLFieldSetElement::legend() const |
| { |
| return Traversal<HTMLLegendElement>::firstChild(*this); |
| } |
| |
| PassRefPtrWillBeRawPtr<HTMLFormControlsCollection> HTMLFieldSetElement::elements() |
| { |
| return toHTMLFormControlsCollection(ensureCachedHTMLCollection(FormControls).get()); |
| } |
| |
| void HTMLFieldSetElement::refreshElementsIfNeeded() const |
| { |
| uint64_t docVersion = document().domTreeVersion(); |
| if (m_documentVersion == docVersion) |
| return; |
| |
| m_documentVersion = docVersion; |
| |
| m_associatedElements.clear(); |
| |
| for (HTMLElement* element = Traversal<HTMLElement>::firstWithin(*this); element; element = Traversal<HTMLElement>::next(*element, this)) { |
| if (isHTMLObjectElement(*element)) { |
| m_associatedElements.append(toHTMLObjectElement(element)); |
| continue; |
| } |
| |
| if (!element->isFormControlElement()) |
| continue; |
| |
| m_associatedElements.append(toHTMLFormControlElement(element)); |
| } |
| } |
| |
| const FormAssociatedElement::List& HTMLFieldSetElement::associatedElements() const |
| { |
| refreshElementsIfNeeded(); |
| return m_associatedElements; |
| } |
| |
| } // namespace |