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Issue #2835 - Part 2: Implement processing of import rules based on order of appearance

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This commit is contained in:
Francis Dominic Fajardo 2025-07-23 20:39:56 +08:00 • committed by roytam1
commit 37230e7b21
4 changed files with 31 additions and 4 deletions
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17
layout/style/nsCSSRuleProcessor.cpp
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@ -16,6 +16,7 @@
#include "PLDHashTable.h"
#include "nsICSSPseudoComparator.h"
#include "mozilla/MemoryReporting.h"
#include "mozilla/css/ImportRule.h"
#include "mozilla/css/StyleRule.h"
#include "mozilla/css/GroupRule.h"
#include "nsIDocument.h"
@ -649,6 +650,12 @@ CascadeRuleEnumFunc(css::Rule* aRule, void* aData)
if (!layer->mData->mCounterStyleRules.AppendElement(counterStyleRule)) {
return false;
}
} else if (css::Rule::IMPORT_RULE == type &&
nsCSSRuleUtils::LoadImportedSheetsInOrderEnabled()) {
css::ImportRule* importRule = static_cast<css::ImportRule*>(aRule);
nsCSSRuleProcessor::CascadeSheet(
importRule->GetStyleSheet()->AsConcrete(),
layer);
}
return true;
}
@ -660,10 +667,12 @@ nsCSSRuleProcessor::CascadeSheet(CSSStyleSheet* aSheet, CascadeLayer* aLayer)
aSheet->UseForPresentation(aLayer->mPresContext,
aLayer->mCacheKey) &&
aSheet->mInner) {
CSSStyleSheet* child = aSheet->mInner->mFirstChild;
while (child) {
CascadeSheet(child, aLayer);
child = child->mNext;
if (!nsCSSRuleUtils::LoadImportedSheetsInOrderEnabled()) {
CSSStyleSheet* child = aSheet->mInner->mFirstChild;
while (child) {
CascadeSheet(child, aLayer);
child = child->mNext;
}
}
if (!aSheet->mInner->mOrderedRules.EnumerateForwards(CascadeRuleEnumFunc,