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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
* Copyright (C) 2013 Google Inc. All rights reserved.
*
* 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.
*
*/
#ifndef DocumentRuleSets_h
#define DocumentRuleSets_h
#include "CSSDefaultStyleSheets.h"
#include "RuleFeature.h"
#include "RuleSet.h"
#include <memory>
#include <wtf/HashMap.h>
#include <wtf/RefPtr.h>
#include <wtf/Vector.h>
namespace WebCore {
class CSSStyleRule;
class CSSStyleSheet;
class ExtensionStyleSheets;
class InspectorCSSOMWrappers;
class MediaQueryEvaluator;
class RuleSet;
class DocumentRuleSets {
public:
DocumentRuleSets();
~DocumentRuleSets();
RuleSet* authorStyle() const { return m_authorStyle.get(); }
RuleSet* userStyle() const { return m_userStyle.get(); }
RuleFeatureSet& features() { return m_features; }
const RuleFeatureSet& features() const;
RuleSet* sibling() const { return m_siblingRuleSet.get(); }
RuleSet* uncommonAttribute() const { return m_uncommonAttributeRuleSet.get(); }
RuleSet* ancestorClassRules(AtomicStringImpl* className) const;
struct AttributeRules {
Vector<const CSSSelector*> attributeSelectors;
std::unique_ptr<RuleSet> ruleSet;
};
const AttributeRules* ancestorAttributeRulesForHTML(AtomicStringImpl*) const;
void initUserStyle(ExtensionStyleSheets&, const MediaQueryEvaluator&, StyleResolver&);
void resetAuthorStyle();
void appendAuthorStyleSheets(const Vector<RefPtr<CSSStyleSheet>>&, MediaQueryEvaluator*, InspectorCSSOMWrappers&, StyleResolver*);
private:
void collectFeatures() const;
void collectRulesFromUserStyleSheets(const Vector<RefPtr<CSSStyleSheet>>&, RuleSet& userStyle, const MediaQueryEvaluator&, StyleResolver&);
std::unique_ptr<RuleSet> m_authorStyle;
std::unique_ptr<RuleSet> m_userStyle;
mutable RuleFeatureSet m_features;
mutable unsigned m_defaultStyleVersionOnFeatureCollection { 0 };
mutable std::unique_ptr<RuleSet> m_siblingRuleSet;
mutable std::unique_ptr<RuleSet> m_uncommonAttributeRuleSet;
mutable HashMap<AtomicStringImpl*, std::unique_ptr<RuleSet>> m_ancestorClassRuleSets;
mutable HashMap<AtomicStringImpl*, std::unique_ptr<AttributeRules>> m_ancestorAttributeRuleSetsForHTML;
};
inline const RuleFeatureSet& DocumentRuleSets::features() const
{
if (m_defaultStyleVersionOnFeatureCollection < CSSDefaultStyleSheets::defaultStyleVersion)
collectFeatures();
return m_features;
}
} // namespace WebCore
#endif // DocumentRuleSets_h
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