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31 #ifndef SelectRuleFeatureSet_h
32 #define SelectRuleFeatureSet_h
34 #include "core/css/RuleFeature.h"
35 #include "core/dom/Element.h"
39 class SpaceSplitString;
41 class SelectRuleFeatureSet {
42 DISALLOW_ALLOCATION();
44 SelectRuleFeatureSet();
46 void add(const SelectRuleFeatureSet&);
48 void collectFeaturesFromSelector(const CSSSelector&);
50 bool hasSelectorForId(const AtomicString&) const;
51 bool hasSelectorForClass(const AtomicString&) const;
52 bool hasSelectorForAttribute(const AtomicString&) const;
54 bool hasSelectorForChecked() const { return hasSelectorFor(AffectedSelectorChecked); }
55 bool hasSelectorForEnabled() const { return hasSelectorFor(AffectedSelectorEnabled); }
56 bool hasSelectorForDisabled() const { return hasSelectorFor(AffectedSelectorDisabled); }
57 bool hasSelectorForIndeterminate() const { return hasSelectorFor(AffectedSelectorIndeterminate); }
58 bool hasSelectorForLink() const { return hasSelectorFor(AffectedSelectorLink); }
59 bool hasSelectorForTarget() const { return hasSelectorFor(AffectedSelectorTarget); }
60 bool hasSelectorForVisited() const { return hasSelectorFor(AffectedSelectorVisited); }
62 bool hasSelectorFor(AffectedSelectorMask features) const { return m_featureFlags & features; }
64 bool checkSelectorsForClassChange(const SpaceSplitString& changedClasses) const;
65 bool checkSelectorsForClassChange(const SpaceSplitString& oldClasses, const SpaceSplitString& newClasses) const;
67 void trace(Visitor* visitor) { visitor->trace(m_cssRuleFeatureSet); }
70 void setSelectRuleFeature(AffectedSelectorType feature) { m_featureFlags |= feature; }
72 RuleFeatureSet m_cssRuleFeatureSet;
76 inline bool SelectRuleFeatureSet::hasSelectorForId(const AtomicString& idValue) const
78 ASSERT(!idValue.isEmpty());
79 return m_cssRuleFeatureSet.hasSelectorForId(idValue);
82 inline bool SelectRuleFeatureSet::hasSelectorForClass(const AtomicString& classValue) const
84 ASSERT(!classValue.isEmpty());
85 return m_cssRuleFeatureSet.hasSelectorForClass(classValue);
88 inline bool SelectRuleFeatureSet::hasSelectorForAttribute(const AtomicString& attributeName) const
90 ASSERT(!attributeName.isEmpty());
91 return m_cssRuleFeatureSet.hasSelectorForAttribute(attributeName);