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LibWeb: Don't delay document load event forever with cached CSS imports

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If we try to @import a stylesheet that was already cached, we'll get a
synchronous resource_did_load() callback. Because of this, it's
necessary to set up the document load event delayer *before* calling
set_resource(), as otherwise we'd be stuck without a load event forever.
This commit is contained in:
Andreas Kling
2022-02-15 14:10:16 +01:00
parent 4708a65160
commit 9f02afd8fe
1 changed files with 5 additions and 1 deletions
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6
Userland/Libraries/LibWeb/CSS/CSSImportRule.cpp
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@@ -20,8 +20,12 @@ CSSImportRule::CSSImportRule(AK::URL url, DOM::Document& document)
{
dbgln_if(CSS_LOADER_DEBUG, "CSSImportRule: Loading import URL: {}", m_url);
auto request = LoadRequest::create_for_url_on_page(m_url, document.page());
set_resource(ResourceLoader::the().load_resource(Resource::Type::Generic, request));
// NOTE: Mark this rule as delaying the document load event *before* calling set_resource()
// as it may trigger a synchronous resource_did_load() callback.
m_document_load_event_delayer.emplace(document);
set_resource(ResourceLoader::the().load_resource(Resource::Type::Generic, request));
}
CSSImportRule::~CSSImportRule()