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Issue #2486 - Part 1: Initial plumbing and CSSOM support for cascade layers

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FranklinDM 2024-07-14 18:54:18 +08:00 • committed by roytam1
commit cac56b8e77
16 changed files with 416 additions and 4 deletions
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8
layout/style/nsCSSParser.cpp
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@ -705,6 +705,7 @@ protected:
bool ParseMediaQueryExpression(nsMediaQuery* aQuery);
void ProcessImport(const nsString& aURLSpec,
nsMediaList* aMedia,
const nsString& aLayerName,
RuleAppendFunc aAppendFunc,
void* aProcessData,
uint32_t aLineNumber,
@ -3885,19 +3886,24 @@ CSSParserImpl::ParseImportRule(RuleAppendFunc aAppendFunc, void* aData)
NS_ASSERTION(media->Length() != 0, "media list must be nonempty");
}
ProcessImport(url, media, aAppendFunc, aData, linenum, colnum);
// FIXME: Layer functions inside @import declarations are treated as an error.
nsAutoString layerName;
ProcessImport(url, media, layerName, aAppendFunc, aData, linenum, colnum);
return true;
}
void
CSSParserImpl::ProcessImport(const nsString& aURLSpec,
nsMediaList* aMedia,
const nsString& aLayerName,
RuleAppendFunc aAppendFunc,
void* aData,
uint32_t aLineNumber,
uint32_t aColumnNumber)
{
RefPtr<css::ImportRule> rule = new css::ImportRule(aMedia, aURLSpec,
aLayerName,
aLineNumber,
aColumnNumber);
(*aAppendFunc)(rule, aData);