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Issue #2158 - Part 4: Dispatch load/error events upon parsing preload links

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This commit is contained in:
FranklinDM 2024-01-27 16:38:43 +08:00 • committed by roytam1
commit 95490b25eb
7 changed files with 408 additions and 25 deletions
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26
dom/html/HTMLLinkElement.cpp
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@ -176,7 +176,7 @@ HTMLLinkElement::BindToTree(nsIDocument* aDocument,
if (nsIDocument* doc = GetComposedDoc()) {
doc->RegisterPendingLinkUpdate(this);
TryDNSPrefetchPreconnectOrPrefetch();
TrySpeculativeLoadFeature();
}
void (HTMLLinkElement::*update)() = &HTMLLinkElement::UpdateStyleSheetInternal;
@ -399,9 +399,17 @@ HTMLLinkElement::AfterSetAttr(int32_t aNameSpaceID, nsIAtom* aName,
UpdateImport();
}
if ((aName == nsGkAtoms::rel || aName == nsGkAtoms::href) &&
IsInComposedDoc()) {
TryDNSPrefetchPreconnectOrPrefetch();
if (IsInComposedDoc()) {
if (aName == nsGkAtoms::rel || aName == nsGkAtoms::href) {
TrySpeculativeLoadFeature();
}
if (aName == nsGkAtoms::as ||
aName == nsGkAtoms::type ||
aName == nsGkAtoms::crossorigin ||
aName == nsGkAtoms::media) {
UpdatePreload(aName, aValue, aOldValue);
}
}
UpdateStyleSheetInternal(nullptr, nullptr,
@ -428,6 +436,13 @@ HTMLLinkElement::AfterSetAttr(int32_t aNameSpaceID, nsIAtom* aName,
(LINK_DISABLED && aName == nsGkAtoms::disabled)) {
UpdateStyleSheetInternal(nullptr, nullptr, true);
}
if ((aName == nsGkAtoms::as ||
aName == nsGkAtoms::type ||
aName == nsGkAtoms::crossorigin ||
aName == nsGkAtoms::media) &&
IsInComposedDoc()) {
UpdatePreload(aName, aValue, aOldValue);
}
if (aName == nsGkAtoms::href ||
aName == nsGkAtoms::rel) {
UpdateImport();
@ -531,7 +546,8 @@ HTMLLinkElement::GetStyleSheetInfo(nsAString& aTitle,
nsAutoString rel;
GetAttr(kNameSpaceID_None, nsGkAtoms::rel, rel);
uint32_t linkTypes = nsStyleLinkElement::ParseLinkTypes(rel, NodePrincipal());
uint32_t linkTypes =
nsStyleLinkElement::ParseLinkTypes(rel, NodePrincipal());
// Is it a stylesheet link?
if (!(linkTypes & nsStyleLinkElement::eSTYLESHEET)) {
return;