243 lines
8.0 KiB
C++
243 lines
8.0 KiB
C++
/*
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* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
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* (C) 1999 Antti Koivisto (koivisto@kde.org)
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* (C) 2000 Simon Hausmann (hausmann@kde.org)
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* (C) 2001 Dirk Mueller (mueller@kde.org)
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* Copyright (C) 2004-2017 Apple Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "config.h"
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#include "HTMLFrameSetElement.h"
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#include "CSSPropertyNames.h"
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#include "DOMWrapperWorld.h"
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#include "Document.h"
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#include "ElementIterator.h"
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#include "Event.h"
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#include "Frame.h"
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#include "FrameLoader.h"
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#include "FrameLoaderClient.h"
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#include "HTMLBodyElement.h"
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#include "HTMLCollection.h"
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#include "HTMLFrameElement.h"
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#include "HTMLNames.h"
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#include "HTMLParserIdioms.h"
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#include "Length.h"
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#include "MouseEvent.h"
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#include "RenderFrameSet.h"
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#include "Text.h"
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#include <wtf/IsoMallocInlines.h>
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namespace WebCore {
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WTF_MAKE_ISO_ALLOCATED_IMPL(HTMLFrameSetElement);
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using namespace HTMLNames;
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HTMLFrameSetElement::HTMLFrameSetElement(const QualifiedName& tagName, Document& document)
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: HTMLElement(tagName, document)
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, m_totalRows(1)
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, m_totalCols(1)
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, m_border(6)
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, m_borderSet(false)
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, m_borderColorSet(false)
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, m_frameborder(true)
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, m_frameborderSet(false)
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, m_noresize(false)
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{
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ASSERT(hasTagName(framesetTag));
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setHasCustomStyleResolveCallbacks();
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}
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Ref<HTMLFrameSetElement> HTMLFrameSetElement::create(const QualifiedName& tagName, Document& document)
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{
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return adoptRef(*new HTMLFrameSetElement(tagName, document));
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}
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bool HTMLFrameSetElement::hasPresentationalHintsForAttribute(const QualifiedName& name) const
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{
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if (name == bordercolorAttr)
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return true;
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return HTMLElement::hasPresentationalHintsForAttribute(name);
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}
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void HTMLFrameSetElement::collectPresentationalHintsForAttribute(const QualifiedName& name, const AtomString& value, MutableStyleProperties& style)
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{
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if (name == bordercolorAttr)
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addHTMLColorToStyle(style, CSSPropertyBorderColor, value);
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else
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HTMLElement::collectPresentationalHintsForAttribute(name, value, style);
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}
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void HTMLFrameSetElement::parseAttribute(const QualifiedName& name, const AtomString& value)
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{
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if (name == rowsAttr) {
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// FIXME: What is the right thing to do when removing this attribute?
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// Why not treat it the same way we treat setting it to the empty string?
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if (!value.isNull()) {
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m_rowLengths = newLengthArray(value.string(), m_totalRows);
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// FIXME: Would be nice to optimize the case where m_rowLengths did not change.
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invalidateStyleForSubtree();
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}
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return;
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}
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if (name == colsAttr) {
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// FIXME: What is the right thing to do when removing this attribute?
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// Why not treat it the same way we treat setting it to the empty string?
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if (!value.isNull()) {
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m_colLengths = newLengthArray(value.string(), m_totalCols);
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// FIXME: Would be nice to optimize the case where m_colLengths did not change.
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invalidateStyleForSubtree();
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}
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return;
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}
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if (name == frameborderAttr) {
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if (!value.isNull()) {
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if (equalLettersIgnoringASCIICase(value, "no") || value == "0") {
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m_frameborder = false;
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m_frameborderSet = true;
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} else if (equalLettersIgnoringASCIICase(value, "yes") || value == "1") {
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m_frameborderSet = true;
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}
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} else {
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m_frameborder = false;
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m_frameborderSet = false;
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}
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// FIXME: Do we need to trigger repainting?
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return;
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}
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if (name == noresizeAttr) {
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// FIXME: This should set m_noresize to false if the value is null.
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m_noresize = true;
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return;
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}
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if (name == borderAttr) {
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if (!value.isNull()) {
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m_border = parseHTMLInteger(value).value_or(0);
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m_borderSet = true;
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} else
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m_borderSet = false;
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// FIXME: Do we need to trigger repainting?
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return;
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}
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if (name == bordercolorAttr) {
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m_borderColorSet = !value.isEmpty();
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// FIXME: Clearly wrong: This can overwrite the value inherited from the parent frameset.
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// FIXME: Do we need to trigger repainting?
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return;
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}
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auto& eventName = HTMLBodyElement::eventNameForWindowEventHandlerAttribute(name);
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if (!eventName.isNull()) {
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document().setWindowAttributeEventListener(eventName, name, value, mainThreadNormalWorld());
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return;
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}
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HTMLElement::parseAttribute(name, value);
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}
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bool HTMLFrameSetElement::rendererIsNeeded(const RenderStyle& style)
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{
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// For compatibility, frames render even when display: none is set.
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// However, we delay creating a renderer until stylesheets have loaded.
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return !style.isNotFinal();
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}
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RenderPtr<RenderElement> HTMLFrameSetElement::createElementRenderer(RenderStyle&& style, const RenderTreePosition&)
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{
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if (style.hasContent())
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return RenderElement::createFor(*this, WTFMove(style));
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return createRenderer<RenderFrameSet>(*this, WTFMove(style));
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}
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RefPtr<HTMLFrameSetElement> HTMLFrameSetElement::findContaining(Element* descendant)
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{
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return ancestorsOfType<HTMLFrameSetElement>(*descendant).first();
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}
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void HTMLFrameSetElement::willAttachRenderers()
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{
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// Inherit default settings from parent frameset.
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// FIXME: This is not dynamic.
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const auto containingFrameSet = findContaining(this);
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if (!containingFrameSet)
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return;
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if (!m_frameborderSet)
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m_frameborder = containingFrameSet->hasFrameBorder();
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if (m_frameborder) {
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if (!m_borderSet)
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m_border = containingFrameSet->border();
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if (!m_borderColorSet)
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m_borderColorSet = containingFrameSet->hasBorderColor();
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}
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if (!m_noresize)
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m_noresize = containingFrameSet->noResize();
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}
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void HTMLFrameSetElement::defaultEventHandler(Event& event)
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{
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if (is<MouseEvent>(event) && !m_noresize && is<RenderFrameSet>(renderer())) {
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if (downcast<RenderFrameSet>(*renderer()).userResize(downcast<MouseEvent>(event))) {
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event.setDefaultHandled();
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return;
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}
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}
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HTMLElement::defaultEventHandler(event);
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}
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void HTMLFrameSetElement::willRecalcStyle(Style::Change)
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{
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if (needsStyleRecalc() && renderer())
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renderer()->setNeedsLayout();
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}
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Node::InsertedIntoAncestorResult HTMLFrameSetElement::insertedIntoAncestor(InsertionType insertionType, ContainerNode& parentOfInsertedTree)
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{
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HTMLElement::insertedIntoAncestor(insertionType, parentOfInsertedTree);
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return InsertedIntoAncestorResult::Done;
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}
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void HTMLFrameSetElement::removedFromAncestor(RemovalType removalType, ContainerNode& oldParentOfRemovedTree)
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{
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HTMLElement::removedFromAncestor(removalType, oldParentOfRemovedTree);
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}
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WindowProxy* HTMLFrameSetElement::namedItem(const AtomString& name)
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{
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auto frameElement = makeRefPtr(children()->namedItem(name));
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if (!is<HTMLFrameElement>(frameElement))
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return nullptr;
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return downcast<HTMLFrameElement>(*frameElement).contentWindow();
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}
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Vector<AtomString> HTMLFrameSetElement::supportedPropertyNames() const
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{
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// NOTE: Left empty as no specification defines this named getter and we
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// have not historically exposed these named items for enumeration.
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return { };
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}
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} // namespace WebCore
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