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Issue #2135 - Bug 1410578: Make <link rel="stylesheet"> work in shadow trees

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FranklinDM 2023-03-04 00:53:46 +08:00 • committed by roytam1
commit 588c2154a5
4 changed files with 21 additions and 49 deletions
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24
dom/base/nsStyleLinkElement.cpp
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@ -304,14 +304,6 @@ nsStyleLinkElement::DoUpdateStyleSheet(nsIDocument* aOldDocument,
return NS_OK;
}
// Check for a ShadowRoot because link elements are inert in a
// ShadowRoot.
ShadowRoot* containingShadow = thisContent->GetContainingShadow();
if (thisContent->IsHTMLElement(nsGkAtoms::link) &&
(aOldShadowRoot || containingShadow)) {
return NS_OK;
}
// XXXheycam ServoStyleSheets do not support <style scoped>.
Element* oldScopeElement = nullptr;
if (mStyleSheet) {
@ -346,15 +338,16 @@ nsStyleLinkElement::DoUpdateStyleSheet(nsIDocument* aOldDocument,
}
}
// When static documents are created, stylesheets are cloned manually.
if (mDontLoadStyle || !mUpdatesEnabled ||
thisContent->OwnerDoc()->IsStaticDocument()) {
nsCOMPtr<nsIDocument> doc = thisContent->IsInShadowTree() ?
thisContent->OwnerDoc() : thisContent->GetUncomposedDoc();
// Loader could be null during unlink, see bug 1425866.
if (!doc || !doc->CSSLoader() || !doc->CSSLoader()->GetEnabled()) {
return NS_OK;
}
nsCOMPtr<nsIDocument> doc = thisContent->IsInShadowTree() ?
thisContent->OwnerDoc() : thisContent->GetUncomposedDoc();
if (!doc || !doc->CSSLoader()->GetEnabled()) {
// When static documents are created, stylesheets are cloned manually.
if (mDontLoadStyle || !mUpdatesEnabled || doc->IsStaticDocument()) {
return NS_OK;
}
@ -426,8 +419,7 @@ nsStyleLinkElement::DoUpdateStyleSheet(nsIDocument* aOldDocument,
rv = doc->CSSLoader()->
LoadInlineStyle(thisContent, text, mLineNumber, title, media,
scopeElement, aObserver, &doneLoading, &isAlternate, &isExplicitlyEnabled);
}
else {
} else {
nsAutoString integrity;
thisContent->GetAttr(kNameSpaceID_None, nsGkAtoms::integrity, integrity);
if (!integrity.IsEmpty()) {