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-rw-r--r--dom/svg/SVGStyleElement.cpp209
1 files changed, 209 insertions, 0 deletions
diff --git a/dom/svg/SVGStyleElement.cpp b/dom/svg/SVGStyleElement.cpp
new file mode 100644
index 0000000000..999c240b65
--- /dev/null
+++ b/dom/svg/SVGStyleElement.cpp
@@ -0,0 +1,209 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "mozilla/dom/SVGStyleElement.h"
+
+#include "mozilla/RefPtr.h"
+#include "mozilla/dom/Document.h"
+#include "mozilla/dom/Element.h"
+#include "mozilla/dom/FetchPriority.h"
+#include "mozilla/dom/ReferrerInfo.h"
+#include "mozilla/dom/SVGStyleElementBinding.h"
+#include "nsCOMPtr.h"
+#include "nsContentUtils.h"
+
+NS_IMPL_NS_NEW_SVG_ELEMENT(Style)
+
+namespace mozilla::dom {
+
+JSObject* SVGStyleElement::WrapNode(JSContext* aCx,
+ JS::Handle<JSObject*> aGivenProto) {
+ return SVGStyleElement_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+//----------------------------------------------------------------------
+// nsISupports methods
+
+NS_IMPL_ISUPPORTS_CYCLE_COLLECTION_INHERITED(SVGStyleElement,
+ SVGStyleElementBase,
+ nsIMutationObserver)
+
+NS_IMPL_CYCLE_COLLECTION_CLASS(SVGStyleElement)
+
+NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(SVGStyleElement,
+ SVGStyleElementBase)
+ tmp->LinkStyle::Traverse(cb);
+NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
+
+NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(SVGStyleElement,
+ SVGStyleElementBase)
+ tmp->LinkStyle::Unlink();
+NS_IMPL_CYCLE_COLLECTION_UNLINK_END
+
+//----------------------------------------------------------------------
+// Implementation
+
+SVGStyleElement::SVGStyleElement(
+ already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
+ : SVGStyleElementBase(std::move(aNodeInfo)) {
+ AddMutationObserver(this);
+ SetEnabledCallbacks(kCharacterDataChanged | kContentAppended |
+ kContentInserted | kContentRemoved);
+}
+
+//----------------------------------------------------------------------
+// nsINode methods
+
+NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGStyleElement)
+
+//----------------------------------------------------------------------
+// nsIContent methods
+
+nsresult SVGStyleElement::BindToTree(BindContext& aContext, nsINode& aParent) {
+ nsresult rv = SVGStyleElementBase::BindToTree(aContext, aParent);
+ NS_ENSURE_SUCCESS(rv, rv);
+ LinkStyle::BindToTree();
+ return rv;
+}
+
+void SVGStyleElement::UnbindFromTree(bool aNullParent) {
+ nsCOMPtr<Document> oldDoc = GetUncomposedDoc();
+ ShadowRoot* oldShadow = GetContainingShadow();
+ SVGStyleElementBase::UnbindFromTree(aNullParent);
+ Unused << UpdateStyleSheetInternal(oldDoc, oldShadow);
+}
+
+void SVGStyleElement::AfterSetAttr(int32_t aNameSpaceID, nsAtom* aName,
+ const nsAttrValue* aValue,
+ const nsAttrValue* aOldValue,
+ nsIPrincipal* aMaybeScriptedPrincipal,
+ bool aNotify) {
+ if (aNameSpaceID == kNameSpaceID_None) {
+ if (aName == nsGkAtoms::title || aName == nsGkAtoms::media ||
+ aName == nsGkAtoms::type) {
+ Unused << UpdateStyleSheetInternal(nullptr, nullptr, ForceUpdate::Yes);
+ }
+ }
+
+ return SVGStyleElementBase::AfterSetAttr(
+ aNameSpaceID, aName, aValue, aOldValue, aMaybeScriptedPrincipal, aNotify);
+}
+
+bool SVGStyleElement::ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute,
+ const nsAString& aValue,
+ nsIPrincipal* aMaybeScriptedPrincipal,
+ nsAttrValue& aResult) {
+ if (aNamespaceID == kNameSpaceID_None &&
+ aAttribute == nsGkAtoms::crossorigin) {
+ ParseCORSValue(aValue, aResult);
+ return true;
+ }
+
+ return SVGStyleElementBase::ParseAttribute(aNamespaceID, aAttribute, aValue,
+ aMaybeScriptedPrincipal, aResult);
+}
+
+//----------------------------------------------------------------------
+// nsIMutationObserver methods
+
+void SVGStyleElement::CharacterDataChanged(nsIContent* aContent,
+ const CharacterDataChangeInfo&) {
+ ContentChanged(aContent);
+}
+
+void SVGStyleElement::ContentAppended(nsIContent* aFirstNewContent) {
+ ContentChanged(aFirstNewContent->GetParent());
+}
+
+void SVGStyleElement::ContentInserted(nsIContent* aChild) {
+ ContentChanged(aChild);
+}
+
+void SVGStyleElement::ContentRemoved(nsIContent* aChild,
+ nsIContent* aPreviousSibling) {
+ ContentChanged(aChild);
+}
+
+void SVGStyleElement::ContentChanged(nsIContent* aContent) {
+ if (nsContentUtils::IsInSameAnonymousTree(this, aContent)) {
+ Unused << UpdateStyleSheetInternal(nullptr, nullptr);
+ }
+}
+
+//----------------------------------------------------------------------
+
+void SVGStyleElement::GetMedia(nsAString& aMedia) {
+ GetAttr(nsGkAtoms::media, aMedia);
+}
+
+void SVGStyleElement::SetMedia(const nsAString& aMedia, ErrorResult& rv) {
+ SetAttr(nsGkAtoms::media, aMedia, rv);
+}
+
+void SVGStyleElement::GetType(nsAString& aType) {
+ GetAttr(nsGkAtoms::type, aType);
+}
+
+void SVGStyleElement::SetType(const nsAString& aType, ErrorResult& rv) {
+ SetAttr(nsGkAtoms::type, aType, rv);
+}
+
+void SVGStyleElement::GetTitle(nsAString& aTitle) {
+ GetAttr(nsGkAtoms::title, aTitle);
+}
+
+void SVGStyleElement::SetTitle(const nsAString& aTitle, ErrorResult& rv) {
+ SetAttr(nsGkAtoms::title, aTitle, rv);
+}
+
+bool SVGStyleElement::Disabled() const {
+ StyleSheet* ss = GetSheet();
+ return ss && ss->Disabled();
+}
+
+void SVGStyleElement::SetDisabled(bool aDisabled) {
+ if (StyleSheet* ss = GetSheet()) {
+ ss->SetDisabled(aDisabled);
+ }
+}
+
+//----------------------------------------------------------------------
+// nsStyleLinkElement methods
+
+Maybe<LinkStyle::SheetInfo> SVGStyleElement::GetStyleSheetInfo() {
+ if (!IsCSSMimeTypeAttributeForStyleElement(*this)) {
+ return Nothing();
+ }
+
+ nsAutoString title;
+ nsAutoString media;
+ GetTitleAndMediaForElement(*this, title, media);
+
+ return Some(SheetInfo{
+ *OwnerDoc(),
+ this,
+ nullptr,
+ // FIXME(bug 1459822): Why doesn't this need a principal, but
+ // HTMLStyleElement does?
+ nullptr,
+ // FIXME(bug 1459822): Why does this need a crossorigin attribute, but
+ // HTMLStyleElement doesn't?
+ MakeAndAddRef<ReferrerInfo>(*this),
+ AttrValueToCORSMode(GetParsedAttr(nsGkAtoms::crossorigin)),
+ title,
+ media,
+ /* integrity = */ u""_ns,
+ /* nsStyleUtil::CSPAllowsInlineStyle takes care of nonce checking for
+ inline styles. Bug 1607011 */
+ /* nonce = */ u""_ns,
+ HasAlternateRel::No,
+ IsInline::Yes,
+ IsExplicitlyEnabled::No,
+ FetchPriority::Auto,
+ });
+}
+
+} // namespace mozilla::dom