| /* |
| * 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 "core/html/HTMLFieldSetElement.h" |
| |
| #include "core/HTMLNames.h" |
| #include "core/dom/ElementTraversal.h" |
| #include "core/dom/NodeListsNodeData.h" |
| #include "core/html/HTMLCollection.h" |
| #include "core/html/HTMLFormControlsCollection.h" |
| #include "core/html/HTMLLegendElement.h" |
| #include "core/html/HTMLObjectElement.h" |
| #include "core/layout/LayoutFieldset.h" |
| #include "wtf/StdLibExtras.h" |
| |
| namespace blink { |
| |
| using namespace HTMLNames; |
| |
| inline HTMLFieldSetElement::HTMLFieldSetElement(Document& document, |
| HTMLFormElement* form) |
| : HTMLFormControlElement(fieldsetTag, document, form), |
| m_documentVersion(0) {} |
| |
| HTMLFieldSetElement* HTMLFieldSetElement::create(Document& document, |
| HTMLFormElement* form) { |
| return new HTMLFieldSetElement(document, form); |
| } |
| |
| DEFINE_TRACE(HTMLFieldSetElement) { |
| visitor->trace(m_associatedElements); |
| HTMLFormControlElement::trace(visitor); |
| } |
| |
| bool HTMLFieldSetElement::matchesValidityPseudoClasses() const { |
| return true; |
| } |
| |
| bool HTMLFieldSetElement::isValidElement() { |
| const FormAssociatedElement::List& elements = associatedElements(); |
| for (unsigned i = 0; i < elements.size(); ++i) { |
| if (elements[i]->isFormControlElement()) { |
| HTMLFormControlElement* control = |
| toHTMLFormControlElement(elements[i].get()); |
| if (!control->checkValidity(0, CheckValidityDispatchNoEvent)) |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| bool HTMLFieldSetElement::isSubmittableElement() { |
| return false; |
| } |
| |
| void HTMLFieldSetElement::invalidateDisabledStateUnder(Element& base) { |
| for (HTMLFormControlElement& element : |
| Traversal<HTMLFormControlElement>::descendantsOf(base)) |
| 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(const ChildrenChange& change) { |
| HTMLFormControlElement::childrenChanged(change); |
| for (HTMLLegendElement& legend : |
| Traversal<HTMLLegendElement>::childrenOf(*this)) |
| invalidateDisabledStateUnder(legend); |
| } |
| |
| bool HTMLFieldSetElement::supportsFocus() const { |
| return HTMLElement::supportsFocus() && !isDisabledFormControl(); |
| } |
| |
| const AtomicString& HTMLFieldSetElement::formControlType() const { |
| DEFINE_STATIC_LOCAL(const AtomicString, fieldset, ("fieldset")); |
| return fieldset; |
| } |
| |
| LayoutObject* HTMLFieldSetElement::createLayoutObject(const ComputedStyle&) { |
| return new LayoutFieldset(this); |
| } |
| |
| HTMLLegendElement* HTMLFieldSetElement::legend() const { |
| return Traversal<HTMLLegendElement>::firstChild(*this); |
| } |
| |
| HTMLFormControlsCollection* HTMLFieldSetElement::elements() { |
| return ensureCachedCollection<HTMLFormControlsCollection>(FormControls); |
| } |
| |
| 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>::descendantsOf(*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; |
| } |
| |
| short HTMLFieldSetElement::tabIndex() const { |
| return HTMLElement::tabIndex(); |
| } |
| |
| } // namespace blink |