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https://github.com/flutter/flutter.git
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138 lines
4.0 KiB
C++
138 lines
4.0 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) 2001 Dirk Mueller (mueller@kde.org)
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* Copyright (C) 2003, 2010 Apple Inc. All rights reserved.
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* (C) 2007 Rob Buis (buis@kde.org)
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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 "core/html/HTMLStyleElement.h"
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#include "core/HTMLNames.h"
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#include "core/css/MediaList.h"
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#include "core/dom/Document.h"
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#include "core/events/Event.h"
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#include "core/events/EventSender.h"
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#include "core/dom/shadow/ShadowRoot.h"
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namespace blink {
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inline HTMLStyleElement::HTMLStyleElement(Document& document, bool createdByParser)
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: HTMLElement(HTMLNames::styleTag, document)
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, StyleElement(&document, createdByParser)
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{
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ScriptWrappable::init(this);
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}
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HTMLStyleElement::~HTMLStyleElement()
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{
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#if !ENABLE(OILPAN)
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StyleElement::clearDocumentData(document(), this);
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#endif
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}
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PassRefPtrWillBeRawPtr<HTMLStyleElement> HTMLStyleElement::create(Document& document, bool createdByParser)
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{
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return adoptRefWillBeNoop(new HTMLStyleElement(document, createdByParser));
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}
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void HTMLStyleElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
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{
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if (name == HTMLNames::mediaAttr && inDocument() && document().isActive() && m_sheet) {
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m_sheet->setMediaQueries(MediaQuerySet::create(value));
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document().modifiedStyleSheet(m_sheet.get());
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} else {
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HTMLElement::parseAttribute(name, value);
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}
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}
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void HTMLStyleElement::finishParsingChildren()
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{
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StyleElement::finishParsingChildren(this);
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HTMLElement::finishParsingChildren();
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}
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Node::InsertionNotificationRequest HTMLStyleElement::insertedInto(ContainerNode* insertionPoint)
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{
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HTMLElement::insertedInto(insertionPoint);
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if (insertionPoint->inDocument() && isInShadowTree()) {
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if (ShadowRoot* scope = containingShadowRoot())
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scope->registerScopedHTMLStyleChild();
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}
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return InsertionShouldCallDidNotifySubtreeInsertions;
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}
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void HTMLStyleElement::removedFrom(ContainerNode* insertionPoint)
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{
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HTMLElement::removedFrom(insertionPoint);
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if (!insertionPoint->inDocument())
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return;
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ShadowRoot* scopingNode = containingShadowRoot();
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if (!scopingNode)
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scopingNode = insertionPoint->containingShadowRoot();
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if (scopingNode)
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scopingNode->unregisterScopedHTMLStyleChild();
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TreeScope* containingScope = containingShadowRoot();
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StyleElement::removedFromDocument(document(), this, scopingNode, containingScope ? *containingScope : insertionPoint->treeScope());
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}
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void HTMLStyleElement::didNotifySubtreeInsertionsToDocument()
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{
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StyleElement::processStyleSheet(document(), this);
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}
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void HTMLStyleElement::childrenChanged(const ChildrenChange& change)
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{
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HTMLElement::childrenChanged(change);
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StyleElement::childrenChanged(this);
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}
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const AtomicString& HTMLStyleElement::media() const
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{
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return getAttribute(HTMLNames::mediaAttr);
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}
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const AtomicString& HTMLStyleElement::type() const
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{
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return getAttribute(HTMLNames::typeAttr);
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}
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ContainerNode* HTMLStyleElement::scopingNode()
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{
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if (!inDocument())
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return 0;
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if (isInShadowTree())
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return containingShadowRoot();
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return &document();
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}
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void HTMLStyleElement::trace(Visitor* visitor)
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{
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StyleElement::trace(visitor);
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HTMLElement::trace(visitor);
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}
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}
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