Move HTMLContentElement & HTMLShadowElement out of shadow/

Source/core/html/shadow/HTMLContentElement.cpp

-/*
- * Copyright (C) 2011 Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "core/html/shadow/HTMLContentElement.h"
-
-#include "HTMLNames.h"
-#include "core/css/parser/BisonCSSParser.h"
-#include "core/css/SelectorChecker.h"
-#include "core/css/SiblingTraversalStrategies.h"
-#include "core/dom/QualifiedName.h"
-#include "core/dom/shadow/ElementShadow.h"
-#include "core/dom/shadow/ShadowRoot.h"
-
-namespace WebCore {
-
-using namespace HTMLNames;
-
-PassRefPtr<HTMLContentElement> HTMLContentElement::create(Document& document)
-{
-    return adoptRef(new HTMLContentElement(document));
-}
-
-HTMLContentElement::HTMLContentElement(Document& document)
-    : InsertionPoint(contentTag, document)
-    , m_shouldParseSelect(false)
-    , m_isValidSelector(true)
-{
-    ScriptWrappable::init(this);
-}
-
-HTMLContentElement::~HTMLContentElement()
-{
-}
-
-void HTMLContentElement::parseSelect()
-{
-    ASSERT(m_shouldParseSelect);
-
-    BisonCSSParser parser(CSSParserContext(document(), 0));
-    parser.parseSelector(m_select, m_selectorList);
-    m_shouldParseSelect = false;
-    m_isValidSelector = validateSelect();
-    if (!m_isValidSelector) {
-        CSSSelectorList emptyList;
-        m_selectorList.adopt(emptyList);
-    }
-}
-
-void HTMLContentElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
-{
-    if (name == selectAttr) {
-        if (ShadowRoot* root = containingShadowRoot())
-            root->owner()->willAffectSelector();
-        m_shouldParseSelect = true;
-        m_select = value;
-    } else
-        InsertionPoint::parseAttribute(name, value);
-}
-
-bool HTMLContentElement::validateSelect() const
-{
-    ASSERT(!m_shouldParseSelect);
-
-    if (m_select.isNull() || m_select.isEmpty())
-        return true;
-
-    if (!m_selectorList.isValid())
-        return false;
-
-    for (const CSSSelector* selector = m_selectorList.first(); selector; selector = m_selectorList.next(*selector)) {
-        if (!selector->isCompound())
-            return false;
-    }
-
-    return true;
-}
-
-static inline bool checkOneSelector(const CSSSelector& selector, const Vector<Node*, 32>& siblings, int nth)
-{
-    Element* element = toElement(siblings[nth]);
-    SelectorChecker selectorChecker(element->document(), SelectorChecker::CollectingCSSRules);
-    SelectorChecker::SelectorCheckingContext context(selector, element, SelectorChecker::VisitedMatchEnabled);
-    ShadowDOMSiblingTraversalStrategy strategy(siblings, nth);
-    return selectorChecker.match(context, strategy) == SelectorChecker::SelectorMatches;
-}
-
-bool HTMLContentElement::matchSelector(const Vector<Node*, 32>& siblings, int nth) const
-{
-    for (const CSSSelector* selector = selectorList().first(); selector; selector = CSSSelectorList::next(*selector)) {
-        if (checkOneSelector(*selector, siblings, nth))
-            return true;
-    }
-    return false;
-}
-
-}