230 lines
8.7 KiB
C++
230 lines
8.7 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) 2004-2019 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 "HTMLBodyElement.h"
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#include "CSSImageValue.h"
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#include "CSSParser.h"
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#include "CSSValueKeywords.h"
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#include "DOMWindow.h"
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#include "DOMWrapperWorld.h"
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#include "EventNames.h"
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#include "HTMLFrameElement.h"
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#include "HTMLIFrameElement.h"
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#include "HTMLNames.h"
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#include "HTMLParserIdioms.h"
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#include "StyleProperties.h"
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#include <wtf/IsoMallocInlines.h>
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#include <wtf/NeverDestroyed.h>
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namespace WebCore {
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WTF_MAKE_ISO_ALLOCATED_IMPL(HTMLBodyElement);
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using namespace HTMLNames;
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HTMLBodyElement::HTMLBodyElement(const QualifiedName& tagName, Document& document)
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: HTMLElement(tagName, document)
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{
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ASSERT(hasTagName(bodyTag));
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}
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Ref<HTMLBodyElement> HTMLBodyElement::create(Document& document)
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{
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return adoptRef(*new HTMLBodyElement(bodyTag, document));
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}
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Ref<HTMLBodyElement> HTMLBodyElement::create(const QualifiedName& tagName, Document& document)
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{
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return adoptRef(*new HTMLBodyElement(tagName, document));
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}
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HTMLBodyElement::~HTMLBodyElement() = default;
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bool HTMLBodyElement::hasPresentationalHintsForAttribute(const QualifiedName& name) const
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{
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if (name == backgroundAttr || name == marginwidthAttr || name == leftmarginAttr || name == marginheightAttr || name == topmarginAttr || name == bgcolorAttr || name == textAttr || name == bgpropertiesAttr)
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return true;
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return HTMLElement::hasPresentationalHintsForAttribute(name);
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}
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void HTMLBodyElement::collectPresentationalHintsForAttribute(const QualifiedName& name, const AtomString& value, MutableStyleProperties& style)
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{
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if (name == backgroundAttr) {
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String url = stripLeadingAndTrailingHTMLSpaces(value);
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if (!url.isEmpty()) {
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auto imageValue = CSSImageValue::create(document().completeURL(url), LoadedFromOpaqueSource::No);
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imageValue.get().setInitiator(localName());
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style.setProperty(CSSProperty(CSSPropertyBackgroundImage, WTFMove(imageValue)));
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}
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} else if (name == marginwidthAttr || name == leftmarginAttr) {
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addHTMLLengthToStyle(style, CSSPropertyMarginRight, value);
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addHTMLLengthToStyle(style, CSSPropertyMarginLeft, value);
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} else if (name == marginheightAttr || name == topmarginAttr) {
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addHTMLLengthToStyle(style, CSSPropertyMarginBottom, value);
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addHTMLLengthToStyle(style, CSSPropertyMarginTop, value);
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} else if (name == bgcolorAttr) {
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addHTMLColorToStyle(style, CSSPropertyBackgroundColor, value);
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} else if (name == textAttr) {
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addHTMLColorToStyle(style, CSSPropertyColor, value);
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} else if (name == bgpropertiesAttr) {
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if (equalLettersIgnoringASCIICase(value, "fixed"))
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addPropertyToPresentationalHintStyle(style, CSSPropertyBackgroundAttachment, CSSValueFixed);
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} else
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HTMLElement::collectPresentationalHintsForAttribute(name, value, style);
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}
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HTMLElement::EventHandlerNameMap HTMLBodyElement::createWindowEventHandlerNameMap()
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{
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static const QualifiedName* const table[] = {
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&onafterprintAttr.get(),
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&onbeforeprintAttr.get(),
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&onbeforeunloadAttr.get(),
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&onblurAttr.get(),
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&onerrorAttr.get(),
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&onfocusAttr.get(),
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&onfocusinAttr.get(),
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&onfocusoutAttr.get(),
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&onhashchangeAttr.get(),
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&onlanguagechangeAttr.get(),
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&onloadAttr.get(),
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&onmessageAttr.get(),
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&onofflineAttr.get(),
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&ononlineAttr.get(),
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&onorientationchangeAttr.get(),
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&onpagehideAttr.get(),
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&onpageshowAttr.get(),
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&onpopstateAttr.get(),
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&onresizeAttr.get(),
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&onscrollAttr.get(),
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&onstorageAttr.get(),
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&onunloadAttr.get(),
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&onwebkitmouseforcechangedAttr.get(),
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&onwebkitmouseforcedownAttr.get(),
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&onwebkitmouseforceupAttr.get(),
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&onwebkitmouseforcewillbeginAttr.get(),
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&onwebkitwillrevealbottomAttr.get(),
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&onwebkitwillrevealleftAttr.get(),
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&onwebkitwillrevealrightAttr.get(),
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&onwebkitwillrevealtopAttr.get(),
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};
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EventHandlerNameMap map;
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populateEventHandlerNameMap(map, table);
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return map;
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}
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const AtomString& HTMLBodyElement::eventNameForWindowEventHandlerAttribute(const QualifiedName& attributeName)
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{
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static NeverDestroyed<EventHandlerNameMap> map = createWindowEventHandlerNameMap();
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return eventNameForEventHandlerAttribute(attributeName, map.get());
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}
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void HTMLBodyElement::parseAttribute(const QualifiedName& name, const AtomString& value)
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{
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if (name == vlinkAttr || name == alinkAttr || name == linkAttr) {
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if (value.isNull()) {
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if (name == linkAttr)
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document().resetLinkColor();
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else if (name == vlinkAttr)
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document().resetVisitedLinkColor();
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else
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document().resetActiveLinkColor();
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} else {
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Color color = CSSParser::parseColor(value, !document().inQuirksMode());
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if (color.isValid()) {
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if (name == linkAttr)
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document().setLinkColor(color);
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else if (name == vlinkAttr)
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document().setVisitedLinkColor(color);
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else
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document().setActiveLinkColor(color);
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}
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}
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invalidateStyleForSubtree();
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return;
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}
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if (name == onselectionchangeAttr) {
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document().setAttributeEventListener(eventNames().selectionchangeEvent, name, value, mainThreadNormalWorld());
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return;
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}
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auto& eventName = 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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Node::InsertedIntoAncestorResult HTMLBodyElement::insertedIntoAncestor(InsertionType insertionType, ContainerNode& parentOfInsertedTree)
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{
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HTMLElement::insertedIntoAncestor(insertionType, parentOfInsertedTree);
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if (!insertionType.connectedToDocument)
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return InsertedIntoAncestorResult::Done;
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if (!is<HTMLFrameElementBase>(document().ownerElement()))
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return InsertedIntoAncestorResult::Done;
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return InsertedIntoAncestorResult::NeedsPostInsertionCallback;
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}
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void HTMLBodyElement::didFinishInsertingNode()
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{
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ASSERT(is<HTMLFrameElementBase>(document().ownerElement()));
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auto ownerElement = makeRef(*document().ownerElement());
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// FIXME: It's surprising this is web compatible since it means marginwidth and marginheight attributes
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// appear or get overwritten on body elements of a document embedded through <iframe> or <frame>.
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// Better to find a way to do addHTMLLengthToStyle based on the attributes from the frame element,
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// without modifying the body element's attributes. Could also add code so we can respond to updates
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// to the frame element attributes.
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auto marginWidth = ownerElement->attributeWithoutSynchronization(marginwidthAttr);
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if (!marginWidth.isNull())
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setAttributeWithoutSynchronization(marginwidthAttr, marginWidth);
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auto marginHeight = ownerElement->attributeWithoutSynchronization(marginheightAttr);
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if (!marginHeight.isNull())
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setAttributeWithoutSynchronization(marginheightAttr, marginHeight);
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}
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bool HTMLBodyElement::isURLAttribute(const Attribute& attribute) const
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{
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return attribute.name() == backgroundAttr || HTMLElement::isURLAttribute(attribute);
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}
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bool HTMLBodyElement::supportsFocus() const
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{
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return hasEditableStyle() || HTMLElement::supportsFocus();
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}
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void HTMLBodyElement::addSubresourceAttributeURLs(ListHashSet<URL>& urls) const
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{
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HTMLElement::addSubresourceAttributeURLs(urls);
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addSubresourceURL(urls, document().completeURL(attributeWithoutSynchronization(backgroundAttr)));
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}
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} // namespace WebCore
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