Remove remaining HTML elements

sky/engine/core/html/HTMLStyleElement.cpp

-/*
- * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
- *           (C) 1999 Antti Koivisto (koivisto@kde.org)
- *           (C) 2001 Dirk Mueller (mueller@kde.org)
- * Copyright (C) 2003, 2010 Apple Inc. All rights reserved.
- *           (C) 2007 Rob Buis (buis@kde.org)
- *
- * 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 "sky/engine/core/html/HTMLStyleElement.h"
-
-#include "gen/sky/core/HTMLNames.h"
-#include "sky/engine/core/css/MediaList.h"
-#include "sky/engine/core/css/MediaQueryEvaluator.h"
-#include "sky/engine/core/dom/Document.h"
-#include "sky/engine/core/dom/Element.h"
-#include "sky/engine/core/dom/StyleEngine.h"
-#include "sky/engine/core/dom/Text.h"
-#include "sky/engine/core/dom/shadow/ShadowRoot.h"
-#include "sky/engine/core/frame/LocalFrame.h"
-#include "sky/engine/platform/TraceEvent.h"
-
-namespace blink {
-
-inline HTMLStyleElement::HTMLStyleElement(Document& document)
-    : HTMLElement(HTMLNames::styleTag, document)
-{
-}
-
-HTMLStyleElement::~HTMLStyleElement()
-{
-    if (m_sheet)
-        m_sheet->clearOwnerNode();
-    if (m_sheet)
-        clearSheet();
-}
-
-PassRefPtr<HTMLStyleElement> HTMLStyleElement::create(Document& document)
-{
-    return adoptRef(new HTMLStyleElement(document));
-}
-
-void HTMLStyleElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
-{
-    if (name == HTMLNames::mediaAttr && inDocument() && document().isActive() && m_sheet) {
-        m_sheet->setMediaQueries(MediaQuerySet::create(value));
-        document().styleResolverChanged();
-    } else {
-        HTMLElement::parseAttribute(name, value);
-    }
-}
-
-void HTMLStyleElement::insertedInto(ContainerNode* insertionPoint)
-{
-    HTMLElement::insertedInto(insertionPoint);
-    if (!inActiveDocument())
-        return;
-    treeScope().scopedStyleResolver().addStyleSheetCandidateNode(*this);
-    process();
-}
-
-void HTMLStyleElement::removedFrom(ContainerNode* insertionPoint)
-{
-    HTMLElement::removedFrom(insertionPoint);
-
-    if (!insertionPoint->inActiveDocument())
-        return;
-
-    TreeScope* containingScope = containingShadowRoot();
-    TreeScope& scope = containingScope ? *containingScope : insertionPoint->treeScope();
-
-    scope.scopedStyleResolver().removeStyleSheetCandidateNode(*this);
-
-    RefPtr<CSSStyleSheet> removedSheet = m_sheet.get();
-
-    if (m_sheet)
-        clearSheet();
-    if (removedSheet)
-        document().styleResolverChanged();
-}
-
-void HTMLStyleElement::childrenChanged(const ChildrenChange& change)
-{
-    HTMLElement::childrenChanged(change);
-    process();
-}
-
-const AtomicString& HTMLStyleElement::media() const
-{
-    return getAttribute(HTMLNames::mediaAttr);
-}
-
-void HTMLStyleElement::clearSheet()
-{
-    ASSERT(m_sheet);
-    m_sheet.release()->clearOwnerNode();
-}
-
-void HTMLStyleElement::process()
-{
-    if (!inActiveDocument())
-        return;
-
-    TRACE_EVENT0("blink", "StyleElement::process");
-
-    if (m_sheet)
-        clearSheet();
-
-    RefPtr<MediaQuerySet> mediaQueries = MediaQuerySet::create(media());
-
-    MediaQueryEvaluator screenEval("screen", true);
-    if (screenEval.eval(mediaQueries.get())) {
-        if (hasOneTextChild())
-            toText(firstChild())->atomize();
-        m_sheet = document().styleEngine()->createSheet(this, textContent());
-        m_sheet->setMediaQueries(mediaQueries.release());
-    }
-
-    document().styleResolverChanged();
-}
-
-}