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42d362ff6b
This removes ::trace, traceAfterDispatch and finalizeGarbageCollectedObject. R=abarth@chromium.org Review URL: https://codereview.chromium.org/723253004
134 lines
3.9 KiB
C++
134 lines
3.9 KiB
C++
/*
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* (C) 1999-2003 Lars Knoll (knoll@kde.org)
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* (C) 2002-2003 Dirk Mueller (mueller@kde.org)
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* Copyright (C) 2002, 2005, 2006, 2008, 2012 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 "core/css/CSSStyleRule.h"
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#include "core/css/parser/BisonCSSParser.h"
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#include "core/css/CSSSelector.h"
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#include "core/css/CSSStyleSheet.h"
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#include "core/css/PropertySetCSSStyleDeclaration.h"
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#include "core/css/StylePropertySet.h"
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#include "core/css/StyleRule.h"
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#include "wtf/text/StringBuilder.h"
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namespace blink {
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typedef HashMap<const CSSStyleRule*, String> SelectorTextCache;
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static SelectorTextCache& selectorTextCache()
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{
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DEFINE_STATIC_LOCAL(SelectorTextCache, cache, ());
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return cache;
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}
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CSSStyleRule::CSSStyleRule(StyleRule* styleRule, CSSStyleSheet* parent)
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: CSSRule(parent)
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, m_styleRule(styleRule)
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{
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}
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CSSStyleRule::~CSSStyleRule()
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{
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#if !ENABLE(OILPAN)
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if (m_propertiesCSSOMWrapper)
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m_propertiesCSSOMWrapper->clearParentRule();
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#endif
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if (hasCachedSelectorText()) {
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selectorTextCache().remove(this);
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setHasCachedSelectorText(false);
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}
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}
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CSSStyleDeclaration* CSSStyleRule::style() const
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{
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if (!m_propertiesCSSOMWrapper) {
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m_propertiesCSSOMWrapper = StyleRuleCSSStyleDeclaration::create(m_styleRule->mutableProperties(), const_cast<CSSStyleRule*>(this));
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}
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return m_propertiesCSSOMWrapper.get();
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}
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String CSSStyleRule::generateSelectorText() const
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{
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StringBuilder builder;
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for (const CSSSelector* selector = m_styleRule->selectorList().first(); selector; selector = CSSSelectorList::next(*selector)) {
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if (selector != m_styleRule->selectorList().first())
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builder.appendLiteral(", ");
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builder.append(selector->selectorText());
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}
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return builder.toString();
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}
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String CSSStyleRule::selectorText() const
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{
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if (hasCachedSelectorText()) {
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ASSERT(selectorTextCache().contains(this));
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return selectorTextCache().get(this);
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}
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ASSERT(!selectorTextCache().contains(this));
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String text = generateSelectorText();
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selectorTextCache().set(this, text);
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setHasCachedSelectorText(true);
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return text;
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}
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void CSSStyleRule::setSelectorText(const String& selectorText)
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{
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CSSParserContext context(parserContext(), 0);
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BisonCSSParser p(context);
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CSSSelectorList selectorList;
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p.parseSelector(selectorText, selectorList);
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if (!selectorList.isValid())
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return;
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CSSStyleSheet::RuleMutationScope mutationScope(this);
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m_styleRule->wrapperAdoptSelectorList(selectorList);
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if (hasCachedSelectorText()) {
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selectorTextCache().remove(this);
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setHasCachedSelectorText(false);
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}
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}
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String CSSStyleRule::cssText() const
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{
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StringBuilder result;
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result.append(selectorText());
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result.appendLiteral(" { ");
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String decls = m_styleRule->properties().asText();
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result.append(decls);
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if (!decls.isEmpty())
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result.append(' ');
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result.append('}');
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return result.toString();
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}
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void CSSStyleRule::reattach(StyleRuleBase* rule)
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{
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ASSERT(rule);
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m_styleRule = toStyleRule(rule);
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if (m_propertiesCSSOMWrapper)
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m_propertiesCSSOMWrapper->reattach(m_styleRule->mutableProperties());
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}
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} // namespace blink
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