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Issue #2828 - Part 3: Refactor selector matching and rule cascade data into separate files/classes

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This commit is contained in:
Francis Dominic Fajardo 2025-07-17 22:13:53 +08:00 • committed by roytam1
commit 03f29e75ec
20 changed files with 4432 additions and 4171 deletions
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78
layout/style/nsCSSRuleProcessor.h
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@ -25,11 +25,8 @@
struct CascadeEnumData;
struct ElementDependentRuleProcessorData;
struct nsCSSSelector;
struct nsCSSSelectorList;
struct nsFontFaceRuleContainer;
struct ResolvedRuleCascades;
struct TreeMatchContext;
class nsCSSKeyframesRule;
class nsCSSPageRule;
class nsCSSFontFeatureValuesRule;
@ -79,59 +76,6 @@ public:
public:
nsresult ClearRuleCascades();
static void Startup();
static void Shutdown();
static void FreeSystemMetrics();
static bool HasSystemMetric(nsIAtom* aMetric);
/*
* Returns true if the given aElement matches one of the
* selectors in aSelectorList. Note that this method will assume
* the given aElement is not a relevant link. aSelectorList must not
* include any pseudo-element selectors. aSelectorList is allowed
* to be null; in this case false will be returned.
*/
static bool RestrictedSelectorListMatches(mozilla::dom::Element* aElement,
TreeMatchContext& aTreeMatchContext,
nsCSSSelectorList* aSelectorList);
/*
* Helper to get the content state for a content node. This may be
* slightly adjusted from IntrinsicState().
*/
static mozilla::EventStates GetContentState(
mozilla::dom::Element* aElement,
const TreeMatchContext& aTreeMatchContext);
/*
* Helper to get the content state for :visited handling for an element
*/
static mozilla::EventStates GetContentStateForVisitedHandling(
mozilla::dom::Element* aElement,
const TreeMatchContext& aTreeMatchContext,
nsRuleWalker::VisitedHandlingType aVisitedHandling,
bool aIsRelevantLink);
/*
* Helper to test whether a node is a link
*/
static bool IsLink(const mozilla::dom::Element* aElement);
/**
* Returns true if the given aElement matches aSelector.
* Like nsCSSRuleProcessor.cpp's SelectorMatches (and unlike
* SelectorMatchesTree), this does not check an entire selector list
* separated by combinators.
*
* :visited and :link will match both visited and non-visited links,
* as if aTreeMatchContext->mVisitedHandling were eLinksVisitedOrUnvisited.
*
* aSelector is restricted to not containing pseudo-elements.
*/
static bool RestrictedSelectorMatches(mozilla::dom::Element* aElement,
nsCSSSelector* aSelector,
TreeMatchContext& aTreeMatchContext);
// nsIStyleRuleProcessor
virtual void RulesMatching(ElementRuleProcessorData* aData) override;
@ -207,24 +151,6 @@ public:
bool IsInRuleProcessorCache() const { return mInRuleProcessorCache; }
bool IsUsedByMultipleStyleSets() const { return mStyleSetRefCnt > 1; }
#ifdef XP_WIN
// Cached theme identifier for the moz-windows-theme media query.
static uint8_t GetWindowsThemeIdentifier();
static void SetWindowsThemeIdentifier(uint8_t aId) {
sWinThemeId = aId;
}
#endif
struct StateSelector {
StateSelector(mozilla::EventStates aStates, nsCSSSelector* aSelector)
: mStates(aStates),
mSelector(aSelector)
{}
mozilla::EventStates mStates;
nsCSSSelector* mSelector;
};
protected:
virtual ~nsCSSRuleProcessor();
@ -282,10 +208,6 @@ private:
#ifdef DEBUG
bool mDocumentRulesAndCacheKeyValid;
#endif
#ifdef XP_WIN
static uint8_t sWinThemeId;
#endif
};
#endif /* nsCSSRuleProcessor_h_ */