| /* |
| * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
| * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple 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 ElementRuleCollector_h |
| #define ElementRuleCollector_h |
| |
| #include "core/css/PseudoStyleRequest.h" |
| #include "core/css/SelectorChecker.h" |
| #include "core/css/resolver/ElementResolveContext.h" |
| #include "core/css/resolver/MatchRequest.h" |
| #include "core/css/resolver/MatchResult.h" |
| #include "wtf/RefPtr.h" |
| #include "wtf/Vector.h" |
| |
| namespace WebCore { |
| |
| class CSSRuleList; |
| class DocumentRuleSets; |
| class RenderRegion; |
| class RuleData; |
| class RuleSet; |
| class ScopedStyleResolver; |
| class SelectorFilter; |
| class StaticCSSRuleList; |
| |
| // ElementRuleCollector is designed to be used as a stack object. |
| // Create one, ask what rules the ElementResolveContext matches |
| // and then let it go out of scope. |
| // FIXME: Currently it modifies the RenderStyle but should not! |
| class ElementRuleCollector { |
| WTF_MAKE_NONCOPYABLE(ElementRuleCollector); |
| public: |
| ElementRuleCollector(const ElementResolveContext&, const SelectorFilter&, RenderStyle*); |
| |
| void setBehaviorAtBoundary(SelectorChecker::BehaviorAtBoundary boundary) { m_behaviorAtBoundary = boundary; } |
| SelectorChecker::BehaviorAtBoundary behaviorAtBoundary() const { return m_behaviorAtBoundary; } |
| void setCanUseFastReject(bool canUseFastReject) { m_canUseFastReject = canUseFastReject; } |
| bool canUseFastReject() const { return m_canUseFastReject; } |
| |
| void setMode(SelectorChecker::Mode mode) { m_mode = mode; } |
| void setPseudoStyleRequest(const PseudoStyleRequest& request) { m_pseudoStyleRequest = request; } |
| void setSameOriginOnly(bool f) { m_sameOriginOnly = f; } |
| void setRegionForStyling(const RenderRegion* regionForStyling) { m_regionForStyling = regionForStyling; } |
| |
| void setMatchingUARules(bool matchingUARules) { m_matchingUARules = matchingUARules; } |
| bool hasAnyMatchingRules(RuleSet*); |
| |
| MatchResult& matchedResult(); |
| PassRefPtr<CSSRuleList> matchedRuleList(); |
| |
| void collectMatchingRules(const MatchRequest&, RuleRange&); |
| void collectMatchingRulesForRegion(const MatchRequest&, RuleRange&); |
| void sortAndTransferMatchedRules(); |
| void clearMatchedRules(); |
| void addElementStyleProperties(const StylePropertySet*, bool isCacheable = true); |
| |
| private: |
| Document* document() { return m_context.document(); } |
| |
| void collectRuleIfMatches(const RuleData&, const MatchRequest&, RuleRange&); |
| void collectMatchingRulesForList(const Vector<RuleData>*, const MatchRequest&, RuleRange&); |
| void collectMatchingRulesForList(const RuleData*, const MatchRequest&, RuleRange&); |
| bool ruleMatches(const RuleData&, const ContainerNode* scope, PseudoId&); |
| |
| void sortMatchedRules(); |
| |
| void addMatchedRule(const RuleData*); |
| |
| StaticCSSRuleList* ensureRuleList(); |
| |
| private: |
| const ElementResolveContext& m_context; |
| const SelectorFilter& m_selectorFilter; |
| RefPtr<RenderStyle> m_style; // FIXME: This can be mutated during matching! |
| |
| const RenderRegion* m_regionForStyling; |
| PseudoStyleRequest m_pseudoStyleRequest; |
| SelectorChecker::Mode m_mode; |
| SelectorChecker::BehaviorAtBoundary m_behaviorAtBoundary; |
| bool m_canUseFastReject; |
| bool m_sameOriginOnly; |
| bool m_matchingUARules; |
| |
| OwnPtr<Vector<const RuleData*, 32> > m_matchedRules; |
| |
| // Output. |
| RefPtr<StaticCSSRuleList> m_ruleList; |
| MatchResult m_result; |
| }; |
| |
| } // namespace WebCore |
| |
| #endif // ElementRuleCollector_h |