Source/core/css/resolver/ScopedStyleResolver.h - Issue 42543007: StyleResolver should update RuleSets lazily.

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Issue 42543007: StyleResolver should update RuleSets lazily. (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Revised Created 7 years, 1 month 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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59	59

60 public:	60 public:

61 bool checkRegionStyle(Element*);	61 bool checkRegionStyle(Element*);

62 const StyleRuleKeyframes* keyframeStylesForAnimation(const StringImpl* anima tionName);	62 const StyleRuleKeyframes* keyframeStylesForAnimation(const StringImpl* anima tionName);

63 void addKeyframeStyle(PassRefPtr<StyleRuleKeyframes>);	63 void addKeyframeStyle(PassRefPtr<StyleRuleKeyframes>);

64	64

65 void matchHostRules(ElementRuleCollector&, bool includeEmptyRules);	65 void matchHostRules(ElementRuleCollector&, bool includeEmptyRules);

66 void matchAuthorRules(ElementRuleCollector&, bool includeEmptyRules, bool ap plyAuthorStyles);	66 void matchAuthorRules(ElementRuleCollector&, bool includeEmptyRules, bool ap plyAuthorStyles);

67 void collectMatchingAuthorRules(ElementRuleCollector&, bool includeEmptyRule s, bool applyAuthorStyles, CascadeScope, CascadeOrder = ignoreCascadeOrder);	67 void collectMatchingAuthorRules(ElementRuleCollector&, bool includeEmptyRule s, bool applyAuthorStyles, CascadeScope, CascadeOrder = ignoreCascadeOrder);

68 void matchPageRules(PageRuleCollector&);	68 void matchPageRules(PageRuleCollector&);

69 void addRulesFromSheet(StyleSheetContents, const MediaQueryEvaluator&, Styl eResolver);	69 void addRulesFromSheet(StyleSheetContents, const MediaQueryEvaluator&, Styl eResolver, bool viewportRuleIsProcessed);

70 void addHostRule(StyleRuleHost, bool hasDocumentSecurityOrigin, const Conta inerNode scopingNode);	70 void addHostRule(StyleRuleHost, bool hasDocumentSecurityOrigin, const Conta inerNode scopingNode);

	71 void addViewportRule(StyleRuleViewport*);

71 void collectFeaturesTo(RuleFeatureSet&);	72 void collectFeaturesTo(RuleFeatureSet&);

72 void resetAuthorStyle();	73 void resetAuthorStyle();

73 void resetAtHostRules(const ShadowRoot*);	74 void resetAtHostRules(const ShadowRoot*);

74 void collectViewportRulesTo(StyleResolver*) const;	75 void collectViewportRulesTo(StyleResolver*) const;

75	76

76 private:	77 private:

77 explicit ScopedStyleResolver(ContainerNode& scopingNode) : m_scopingNode(sco pingNode), m_parent(0) { }	78 explicit ScopedStyleResolver(ContainerNode& scopingNode) : m_scopingNode(sco pingNode), m_parent(0) { }

78	79

79 RuleSet* ensureAtHostRuleSetFor(const ShadowRoot*);	80 RuleSet* ensureAtHostRuleSetFor(const ShadowRoot*);

80 RuleSet* atHostRuleSetFor(const ShadowRoot*) const;	81 RuleSet* atHostRuleSetFor(const ShadowRoot*) const;

	82 RuleSet* ensureAuthorStyle();

81	83

82 ContainerNode& m_scopingNode;	84 ContainerNode& m_scopingNode;

83 ScopedStyleResolver* m_parent;	85 ScopedStyleResolver* m_parent;

84	86

85 OwnPtr<RuleSet> m_authorStyle;	87 OwnPtr<RuleSet> m_authorStyle;

86 HashMap<const ShadowRoot*, OwnPtr<RuleSet> > m_atHostRules;	88 HashMap<const ShadowRoot*, OwnPtr<RuleSet> > m_atHostRules;

87	89

88 typedef HashMap<const StringImpl*, RefPtr<StyleRuleKeyframes> > KeyframesRul eMap;	90 typedef HashMap<const StringImpl*, RefPtr<StyleRuleKeyframes> > KeyframesRul eMap;

89 KeyframesRuleMap m_keyframesRuleMap;	91 KeyframesRuleMap m_keyframesRuleMap;

90 };	92 };

91	93

92 } // namespace WebCore	94 } // namespace WebCore

93	95

94 #endif // ScopedStyleResolver_h	96 #endif // ScopedStyleResolver_h

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