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-rw-r--r--dom/base/nsContentSink.cpp5
-rw-r--r--dom/base/nsStyleLinkElement.cpp8
-rw-r--r--dom/base/nsStyleLinkElement.h3
-rw-r--r--dom/html/HTMLLinkElement.cpp20
-rw-r--r--dom/html/HTMLLinkElement.h12
-rw-r--r--dom/html/HTMLStyleElement.cpp4
-rw-r--r--dom/html/HTMLStyleElement.h3
-rw-r--r--dom/svg/SVGStyleElement.cpp4
-rw-r--r--dom/svg/SVGStyleElement.h3
-rw-r--r--dom/xml/XMLStylesheetProcessingInstruction.cpp4
-rw-r--r--dom/xml/XMLStylesheetProcessingInstruction.h3
11 files changed, 51 insertions, 18 deletions
diff --git a/dom/base/nsContentSink.cpp b/dom/base/nsContentSink.cpp
index 1e6465a1b..59f4a9f9a 100644
--- a/dom/base/nsContentSink.cpp
+++ b/dom/base/nsContentSink.cpp
@@ -789,13 +789,14 @@ nsContentSink::ProcessStyleLink(nsIContent* aElement,
// If this is a fragment parser, we don't want to observe.
// We don't support CORS for processing instructions
bool isAlternate;
+ bool isExplicitlyEnabled;
rv = mCSSLoader->LoadStyleLink(aElement, url, aTitle, aMedia, aAlternate,
CORS_NONE, mDocument->GetReferrerPolicy(),
integrity, mRunsToCompletion ? nullptr : this,
- &isAlternate);
+ &isAlternate, &isExplicitlyEnabled);
NS_ENSURE_SUCCESS(rv, rv);
- if (!isAlternate && !mRunsToCompletion) {
+ if ((!isAlternate || isExplicitlyEnabled) && !mRunsToCompletion) {
++mPendingSheetCount;
mScriptLoader->AddParserBlockingScriptExecutionBlocker();
}
diff --git a/dom/base/nsStyleLinkElement.cpp b/dom/base/nsStyleLinkElement.cpp
index 8ab2dab0b..2e5cdac6f 100644
--- a/dom/base/nsStyleLinkElement.cpp
+++ b/dom/base/nsStyleLinkElement.cpp
@@ -393,8 +393,9 @@ nsStyleLinkElement::DoUpdateStyleSheet(nsIDocument* aOldDocument,
nsAutoString title, type, media;
bool isScoped;
bool isAlternate;
+ bool isExplicitlyEnabled;
- GetStyleSheetInfo(title, type, media, &isScoped, &isAlternate);
+ GetStyleSheetInfo(title, type, media, &isScoped, &isAlternate, &isExplicitlyEnabled);
if (!type.LowerCaseEqualsLiteral("text/css")) {
return NS_OK;
@@ -425,7 +426,7 @@ nsStyleLinkElement::DoUpdateStyleSheet(nsIDocument* aOldDocument,
// Parse the style sheet.
rv = doc->CSSLoader()->
LoadInlineStyle(thisContent, text, mLineNumber, title, media,
- scopeElement, aObserver, &doneLoading, &isAlternate);
+ scopeElement, aObserver, &doneLoading, &isAlternate, &isExplicitlyEnabled);
}
else {
nsAutoString integrity;
@@ -452,13 +453,14 @@ nsStyleLinkElement::DoUpdateStyleSheet(nsIDocument* aOldDocument,
rv = doc->CSSLoader()->
LoadStyleLink(thisContent, clonedURI, title, media, isAlternate,
GetCORSMode(), referrerPolicy, integrity,
- aObserver, &isAlternate);
+ aObserver, &isAlternate, &isExplicitlyEnabled);
if (NS_FAILED(rv)) {
// Don't propagate LoadStyleLink() errors further than this, since some
// consumers (e.g. nsXMLContentSink) will completely abort on innocuous
// things like a stylesheet load being blocked by the security system.
doneLoading = true;
isAlternate = false;
+ isExplicitlyEnabled = false;
rv = NS_OK;
}
}
diff --git a/dom/base/nsStyleLinkElement.h b/dom/base/nsStyleLinkElement.h
index a41ae5e1d..d9042c756 100644
--- a/dom/base/nsStyleLinkElement.h
+++ b/dom/base/nsStyleLinkElement.h
@@ -98,7 +98,8 @@ protected:
nsAString& aType,
nsAString& aMedia,
bool* aIsScoped,
- bool* aIsAlternate) = 0;
+ bool* aIsAlternate,
+ bool* aIsExplicitlyEnabled) = 0;
virtual mozilla::CORSMode GetCORSMode() const
{
diff --git a/dom/html/HTMLLinkElement.cpp b/dom/html/HTMLLinkElement.cpp
index ed83836aa..352cbc755 100644
--- a/dom/html/HTMLLinkElement.cpp
+++ b/dom/html/HTMLLinkElement.cpp
@@ -126,7 +126,6 @@ HTMLLinkElement::SetMozDisabled(bool aDisabled)
return rv.StealNSResult();
}
-
NS_IMPL_STRING_ATTR(HTMLLinkElement, Charset, charset)
NS_IMPL_URI_ATTR(HTMLLinkElement, Href, href)
NS_IMPL_STRING_ATTR(HTMLLinkElement, Hreflang, hreflang)
@@ -407,9 +406,14 @@ HTMLLinkElement::AfterSetAttr(int32_t aNameSpaceID, nsIAtom* aName,
aName == nsGkAtoms::disabled));
}
} else {
- // Since removing href or rel makes us no longer link to a
- // stylesheet, force updates for those too.
+ // If the disabled attribute is removed from a link element, the
+ // stylesheet may be explicitly enabled.
if (aNameSpaceID == kNameSpaceID_None) {
+ if (aName == nsGkAtoms::disabled) {
+ mExplicitlyEnabled = true;
+ }
+ // Since removing href or rel makes us no longer link to a
+ // stylesheet, force updates for those too.
if (aName == nsGkAtoms::href ||
aName == nsGkAtoms::rel ||
aName == nsGkAtoms::title ||
@@ -508,13 +512,15 @@ HTMLLinkElement::GetStyleSheetInfo(nsAString& aTitle,
nsAString& aType,
nsAString& aMedia,
bool* aIsScoped,
- bool* aIsAlternate)
+ bool* aIsAlternate,
+ bool* aIsExplicitlyEnabled)
{
aTitle.Truncate();
aType.Truncate();
aMedia.Truncate();
*aIsScoped = false;
*aIsAlternate = false;
+ *aIsExplicitlyEnabled = false;
nsAutoString rel;
GetAttr(kNameSpaceID_None, nsGkAtoms::rel, rel);
@@ -524,10 +530,16 @@ HTMLLinkElement::GetStyleSheetInfo(nsAString& aTitle,
return;
}
+ // Is the link disabled?
if (Disabled()) {
return;
}
+ // Is it explicitly enabled?
+ if (mExplicitlyEnabled) {
+ *aIsExplicitlyEnabled = true;
+ }
+
nsAutoString title;
GetAttr(kNameSpaceID_None, nsGkAtoms::title, title);
title.CompressWhitespace();
diff --git a/dom/html/HTMLLinkElement.h b/dom/html/HTMLLinkElement.h
index e024d42bb..190213028 100644
--- a/dom/html/HTMLLinkElement.h
+++ b/dom/html/HTMLLinkElement.h
@@ -181,10 +181,18 @@ protected:
nsAString& aType,
nsAString& aMedia,
bool* aIsScoped,
- bool* aIsAlternate) override;
-protected:
+ bool* aIsAlternate,
+ bool* aIsExplicitlyEnabled) override;
+
RefPtr<nsDOMTokenList> mRelList;
+ // The "explicitly enabled" flag. This flag is set whenever the 'disabled'
+ // attribute is explicitly unset, and makes alternate stylesheets not be
+ // disabled by default anymore.
+ //
+ // See https://github.com/whatwg/html/issues/3840#issuecomment-481034206.
+ bool mExplicitlyEnabled = false;
+
private:
RefPtr<ImportLoader> mImportLoader;
};
diff --git a/dom/html/HTMLStyleElement.cpp b/dom/html/HTMLStyleElement.cpp
index 95cf025d1..c37e1a32d 100644
--- a/dom/html/HTMLStyleElement.cpp
+++ b/dom/html/HTMLStyleElement.cpp
@@ -223,12 +223,14 @@ HTMLStyleElement::GetStyleSheetInfo(nsAString& aTitle,
nsAString& aType,
nsAString& aMedia,
bool* aIsScoped,
- bool* aIsAlternate)
+ bool* aIsAlternate,
+ bool* aIsExplicitlyEnabled)
{
aTitle.Truncate();
aType.Truncate();
aMedia.Truncate();
*aIsAlternate = false;
+ *aIsExplicitlyEnabled = false;
nsAutoString title;
GetAttr(kNameSpaceID_None, nsGkAtoms::title, title);
diff --git a/dom/html/HTMLStyleElement.h b/dom/html/HTMLStyleElement.h
index 8b69c3f62..7d98a494a 100644
--- a/dom/html/HTMLStyleElement.h
+++ b/dom/html/HTMLStyleElement.h
@@ -88,7 +88,8 @@ protected:
nsAString& aType,
nsAString& aMedia,
bool* aIsScoped,
- bool* aIsAlternate) override;
+ bool* aIsAlternate,
+ bool* aIsExplicitlyEnabled) override;
/**
* Common method to call from the various mutation observer methods.
* aContent is a content node that's either the one that changed or its
diff --git a/dom/svg/SVGStyleElement.cpp b/dom/svg/SVGStyleElement.cpp
index 22fb204df..7655c1198 100644
--- a/dom/svg/SVGStyleElement.cpp
+++ b/dom/svg/SVGStyleElement.cpp
@@ -271,9 +271,11 @@ SVGStyleElement::GetStyleSheetInfo(nsAString& aTitle,
nsAString& aType,
nsAString& aMedia,
bool* aIsScoped,
- bool* aIsAlternate)
+ bool* aIsAlternate,
+ bool* aIsExplicitlyEnabled)
{
*aIsAlternate = false;
+ *aIsExplicitlyEnabled = false;
nsAutoString title;
GetAttr(kNameSpaceID_None, nsGkAtoms::title, title);
diff --git a/dom/svg/SVGStyleElement.h b/dom/svg/SVGStyleElement.h
index 9b126e7e8..e637dfb18 100644
--- a/dom/svg/SVGStyleElement.h
+++ b/dom/svg/SVGStyleElement.h
@@ -95,7 +95,8 @@ protected:
nsAString& aType,
nsAString& aMedia,
bool* aIsScoped,
- bool* aIsAlternate) override;
+ bool* aIsAlternate,
+ bool* aIsExplicitlyEnabled) override;
virtual CORSMode GetCORSMode() const override;
/**
diff --git a/dom/xml/XMLStylesheetProcessingInstruction.cpp b/dom/xml/XMLStylesheetProcessingInstruction.cpp
index 3d94e179b..43e45131a 100644
--- a/dom/xml/XMLStylesheetProcessingInstruction.cpp
+++ b/dom/xml/XMLStylesheetProcessingInstruction.cpp
@@ -131,13 +131,15 @@ XMLStylesheetProcessingInstruction::GetStyleSheetInfo(nsAString& aTitle,
nsAString& aType,
nsAString& aMedia,
bool* aIsScoped,
- bool* aIsAlternate)
+ bool* aIsAlternate,
+ bool* aIsExplicitlyEnabled)
{
aTitle.Truncate();
aType.Truncate();
aMedia.Truncate();
*aIsScoped = false;
*aIsAlternate = false;
+ *aIsExplicitlyEnabled = false;
// xml-stylesheet PI is special only in prolog
if (!nsContentUtils::InProlog(this)) {
diff --git a/dom/xml/XMLStylesheetProcessingInstruction.h b/dom/xml/XMLStylesheetProcessingInstruction.h
index 818b3392f..28061834a 100644
--- a/dom/xml/XMLStylesheetProcessingInstruction.h
+++ b/dom/xml/XMLStylesheetProcessingInstruction.h
@@ -82,7 +82,8 @@ protected:
nsAString& aType,
nsAString& aMedia,
bool* aIsScoped,
- bool* aIsAlternate) override;
+ bool* aIsAlternate,
+ bool* aIsExplicitlyEnabled) override;
virtual nsGenericDOMDataNode* CloneDataNode(mozilla::dom::NodeInfo *aNodeInfo,
bool aCloneText) const override;
};
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-29 00:54:53 +0000