| /* |
| * Copyright (C) 1999 Lars Knoll ([email protected]) |
| * (C) 1999 Antti Koivisto ([email protected]) |
| * (C) 2001 Dirk Mueller ([email protected]) |
| * Copyright (C) 2004-2022 Apple Inc. All rights reserved. |
| * (C) 2006 Alexey Proskuryakov ([email protected]) |
| * Copyright (C) 2018 Google Inc. All rights reserved. |
| * |
| * 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 "HTMLLegendElement.h" |
| |
| #include "ElementIterator.h" |
| #include "HTMLFieldSetElement.h" |
| #include "HTMLNames.h" |
| #include "SelectionRestorationMode.h" |
| #include <wtf/TZoneMallocInlines.h> |
| |
| namespace WebCore { |
| |
| WTF_MAKE_TZONE_ALLOCATED_IMPL(HTMLLegendElement); |
| |
| inline HTMLLegendElement::HTMLLegendElement(const QualifiedName& tagName, Document& document) |
| : HTMLElement(tagName, document) |
| { |
| ASSERT(hasTagName(HTMLNames::legendTag)); |
| } |
| |
| Ref<HTMLLegendElement> HTMLLegendElement::create(const QualifiedName& tagName, Document& document) |
| { |
| return adoptRef(*new HTMLLegendElement(tagName, document)); |
| } |
| |
| HTMLFormElement* HTMLLegendElement::form() const |
| { |
| // According to the specification, If the legend has a fieldset element as |
| // its parent, then the form attribute must return the same value as the |
| // form attribute on that fieldset element. Otherwise, it must return null. |
| RefPtr fieldset = dynamicDowncast<HTMLFieldSetElement>(parentNode()); |
| return fieldset ? fieldset->form() : nullptr; |
| } |
| |
| RefPtr<HTMLFormElement> HTMLLegendElement::formForBindings() const |
| { |
| // FIXME: The downcast should be unnecessary, but the WPT was written before https://github.com/WICG/webcomponents/issues/1072 was resolved. Update once the WPT has been updated. |
| return dynamicDowncast<HTMLFormElement>(retargetReferenceTargetForBindings(form())); |
| } |
| |
| } // namespace |
