Source/core/css/resolver/ScopedStyleResolver.h - Issue 29633003: Avoid style sharing with mis-matched descendant selectors

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Issue 29633003: Avoid style sharing with mis-matched descendant selectors (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Created 7 years, 2 months ago

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1 /*	1 /*

2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)	2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)

3 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.	3 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.

4 * Copyright (C) 2012 Google Inc. All rights reserved.	4 * Copyright (C) 2012 Google Inc. All rights reserved.

5 *	5 *

6 * Redistribution and use in source and binary forms, with or without	6 * Redistribution and use in source and binary forms, with or without

7 * modification, are permitted provided that the following conditions	7 * modification, are permitted provided that the following conditions

8 * are met:	8 * are met:

9 * 1. Redistributions of source code must retain the above copyright	9 * 1. Redistributions of source code must retain the above copyright

10 * notice, this list of conditions and the following disclaimer.	10 * notice, this list of conditions and the following disclaimer.

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62	62

63 bool hasOnlyEmptyRuleSets() const { return (!m_authorStyle \|\| !m_authorStyle ->ruleCount()) && m_atHostRules.isEmpty(); }	63 bool hasOnlyEmptyRuleSets() const { return (!m_authorStyle \|\| !m_authorStyle ->ruleCount()) && m_atHostRules.isEmpty(); }

64	64

65 public:	65 public:

66 bool checkRegionStyle(Element*);	66 bool checkRegionStyle(Element*);

67 const StyleRuleKeyframes* keyframeStylesForAnimation(const StringImpl* anima tionName);	67 const StyleRuleKeyframes* keyframeStylesForAnimation(const StringImpl* anima tionName);

68 void addKeyframeStyle(PassRefPtr<StyleRuleKeyframes>);	68 void addKeyframeStyle(PassRefPtr<StyleRuleKeyframes>);

69	69

70 void matchHostRules(ElementRuleCollector&, bool includeEmptyRules);	70 void matchHostRules(ElementRuleCollector&, bool includeEmptyRules);

71 void matchAuthorRules(ElementRuleCollector&, bool includeEmptyRules, bool ap plyAuthorStyles);	71 void matchAuthorRules(ElementRuleCollector&, bool includeEmptyRules, bool ap plyAuthorStyles);

	72 bool matchesAnyAuthorRules(ElementRuleCollector&, bool includeEmptyRules, bo ol applyAuthorStyles);

72 void collectMatchingAuthorRules(ElementRuleCollector&, bool includeEmptyRule s, bool applyAuthorStyles, CascadeScope, CascadeOrder = ignoreCascadeOrder);	73 void collectMatchingAuthorRules(ElementRuleCollector&, bool includeEmptyRule s, bool applyAuthorStyles, CascadeScope, CascadeOrder = ignoreCascadeOrder);

73 void matchPageRules(PageRuleCollector&);	74 void matchPageRules(PageRuleCollector&);

74 void addRulesFromSheet(StyleSheetContents, const MediaQueryEvaluator&, Styl eResolver);	75 void addRulesFromSheet(StyleSheetContents, const MediaQueryEvaluator&, Styl eResolver);

75 void addHostRule(StyleRuleHost, bool hasDocumentSecurityOrigin, const Conta inerNode scopingNode);	76 void addHostRule(StyleRuleHost, bool hasDocumentSecurityOrigin, const Conta inerNode scopingNode);

76 void collectFeaturesTo(RuleFeatureSet&);	77 void collectFeaturesTo(RuleFeatureSet&);

77 void resetAuthorStyle();	78 void resetAuthorStyle();

78 void resetAtHostRules(const ShadowRoot*);	79 void resetAtHostRules(const ShadowRoot*);

79 void collectViewportRulesTo(StyleResolver*) const;	80 void collectViewportRulesTo(StyleResolver*) const;

80	81

81 private:	82 private:

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153 {	154 {

154 if (!cacheIsValid(element))	155 if (!cacheIsValid(element))

155 resolveStyleCache(element);	156 resolveStyleCache(element);

156	157

157 return m_cache.scopedResolver;	158 return m_cache.scopedResolver;

158 }	159 }

159	160

160 } // namespace WebCore	161 } // namespace WebCore

161	162

162 #endif // ScopedStyleResolver_h	163 #endif // ScopedStyleResolver_h

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« Source/core/css/RuleFeature.h ('K') | « Source/core/css/RuleSet.cpp ('k') | Source/core/css/resolver/ScopedStyleResolver.cpp » ('j') | Source/core/css/resolver/SharedStyleFinder.cpp » ('J')