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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 TreeBoundaryCrossingRules_h
#define TreeBoundaryCrossingRules_h
#include "core/css/RuleSet.h"
#include "core/dom/DocumentOrderedList.h"
#include "wtf/OwnPtr.h"
#include "wtf/RefPtr.h"
#include "wtf/Vector.h"
namespace WebCore {
class CSSStyleSheet;
class ContainerNode;
class ElementRuleCollector;
class RuleFeatureSet;
class TreeBoundaryCrossingRules {
DISALLOW_ALLOCATION();
public:
void addTreeBoundaryCrossingRules(const RuleSet&, ContainerNode& scope, CSSStyleSheet*);
void reset(const ContainerNode* scopingNode);
void collectFeaturesTo(RuleFeatureSet&);
void collectTreeBoundaryCrossingRules(Element*, ElementRuleCollector&, bool includeEmptyRules);
void trace(Visitor* visitor) { visitor->trace(m_treeBoundaryCrossingRuleSetMap); }
private:
size_t size() const { return m_scopingNodes.size(); }
typedef WillBeHeapVector<std::pair<CSSStyleSheet*, OwnPtrWillBeMember<RuleSet> > > CSSStyleSheetRuleSubSet;
void collectFeaturesFromRuleSubSet(CSSStyleSheetRuleSubSet*, RuleFeatureSet&);
DocumentOrderedList m_scopingNodes;
typedef WillBeHeapHashMap<const ContainerNode*, OwnPtrWillBeMember<CSSStyleSheetRuleSubSet> > TreeBoundaryCrossingRuleSetMap;
TreeBoundaryCrossingRuleSetMap m_treeBoundaryCrossingRuleSetMap;
};
} // namespace WebCore
#endif // TreeBoundaryCrossingRules_h
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