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Issue #2828 - Part 5: Implement child rule processors

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This commit is contained in:
Francis Dominic Fajardo 2025-07-19 01:45:14 +08:00 • committed by roytam1
commit e05d4d8306
16 changed files with 632 additions and 155 deletions
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29
layout/style/RuleCascadeData.cpp
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@ -1188,6 +1188,13 @@ RuleCascadeData::HasAttributeDependentStyle(
AttributeEnumData* aEnumData,
mozilla::RestyleHintData& aRestyleHintDataResult)
{
// Since we get both before and after notifications for attributes, we
// don't have to ignore aData->mAttribute while matching. Just check
// whether we have selectors relevant to aData->mAttribute that we
// match. If this is the before change notification, that will catch
// rules we might stop matching; if the after change notification, the
// ones we might have started matching.
if (aData->mAttribute == nsGkAtoms::id) {
nsIAtom* id = aData->mElement->GetID();
if (id) {
@ -1475,10 +1482,10 @@ size_t
ResolvedRuleCascades::SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const
{
size_t n = aMallocSizeOf(this);
n += mOrderedData.ShallowSizeOfExcludingThis(aMallocSizeOf);
for (RuleCascadeData* data : mOrderedData) {
n += data->SizeOfIncludingThis(aMallocSizeOf);
for (uint32_t i = 0; i < mProcessors.Length(); i++) {
n += mProcessors[i]->SizeOfIncludingThis(aMallocSizeOf);
}
n += mProcessors.ShallowSizeOfExcludingThis(aMallocSizeOf);
return n;
}
@ -1553,7 +1560,6 @@ CascadeEnumData::CascadeEnumData(nsPresContext* aPresContext,
#ifdef DEBUG
CascadeEnumData* aParent,
#endif
nsAutoPtr<ResolvedRuleCascades>& aContainer,
bool aIsWeak,
nsTArray<css::DocumentRule*>& aDocumentRules,
nsDocumentRuleResultCacheKey& aDocumentKey,
@ -1569,7 +1575,6 @@ CascadeEnumData::CascadeEnumData(nsPresContext* aPresContext,
, mParent(aParent)
, mIsRoot(false)
#endif
, mContainer(aContainer)
, mDocumentRules(aDocumentRules)
, mDocumentCacheKey(aDocumentKey)
, mSheetType(aSheetType)
@ -1581,14 +1586,12 @@ CascadeEnumData::CascadeEnumData(nsPresContext* aPresContext,
}
CascadeEnumData::CascadeEnumData(nsPresContext* aPresContext,
nsAutoPtr<ResolvedRuleCascades>& aContainer,
nsTArray<css::DocumentRule*>& aDocumentRules,
nsDocumentRuleResultCacheKey& aDocumentKey,
SheetType aSheetType,
bool aMustGatherDocumentRules,
nsMediaQueryResultCacheKey& aCacheKey)
: mPresContext(aPresContext)
, mContainer(aContainer)
, mIsAnonymous(false)
, mIsWeak(false)
, mWasFlattened(false)
@ -1608,6 +1611,7 @@ CascadeEnumData::CascadeEnumData(nsPresContext* aPresContext,
CascadeEnumData::~CascadeEnumData()
{
delete mData;
PL_FinishArenaPool(&mArena);
}
@ -1628,7 +1632,6 @@ CascadeEnumData::CreateNamedChildLayer(const nsTArray<nsString>& aPath)
#ifdef DEBUG
this,
#endif
mContainer,
false,
mDocumentRules,
mDocumentCacheKey,
@ -1659,7 +1662,6 @@ CascadeEnumData::CreateAnonymousChildLayer()
#ifdef DEBUG
this,
#endif
mContainer,
false,
mDocumentRules,
mDocumentCacheKey,
@ -1751,7 +1753,7 @@ CascadeEnumData::AddRules()
}
void
CascadeEnumData::Flatten()
CascadeEnumData::EnumerateAllLayers(nsLayerEnumFunc aFunc, void* aData)
{
if (mWasFlattened) {
return;
@ -1759,16 +1761,15 @@ CascadeEnumData::Flatten()
if (mPreLayers.Length() > 0) {
for (CascadeEnumData* pre : mPreLayers) {
pre->Flatten();
pre->EnumerateAllLayers(aFunc, aData);
}
}
mContainer->mOrderedData.AppendElement(mData);
AddRules();
(*aFunc)(this, aData);
if (mPostLayers.Length() > 0) {
for (CascadeEnumData* post : mPostLayers) {
post->Flatten();
post->EnumerateAllLayers(aFunc, aData);
}
}