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diff --git a/dom/mathml/MathMLElement.h b/dom/mathml/MathMLElement.h
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+/* -*- 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/. */
+
+#ifndef mozilla_dom_MathMLElement_h_
+#define mozilla_dom_MathMLElement_h_
+
+#include "mozilla/Attributes.h"
+#include "nsMappedAttributeElement.h"
+#include "Link.h"
+
+class nsCSSValue;
+
+namespace mozilla {
+class EventChainPostVisitor;
+class EventChainPreVisitor;
+namespace dom {
+
+typedef nsMappedAttributeElement MathMLElementBase;
+
+/*
+ * The base class for MathML elements.
+ */
+class MathMLElement final : public MathMLElementBase,
+ public mozilla::dom::Link {
+ public:
+ explicit MathMLElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo);
+ explicit MathMLElement(already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
+
+ // Implementation of nsISupports is inherited from MathMLElementBase
+ NS_DECL_ISUPPORTS_INHERITED
+
+ NS_IMPL_FROMNODE(MathMLElement, kNameSpaceID_MathML)
+
+ nsresult BindToTree(BindContext&, nsINode& aParent) override;
+ void UnbindFromTree(bool aNullParent = true) override;
+
+ bool ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute,
+ const nsAString& aValue,
+ nsIPrincipal* aMaybeScriptedPrincipal,
+ nsAttrValue& aResult) override;
+
+ NS_IMETHOD_(bool) IsAttributeMapped(const nsAtom* aAttribute) const override;
+ nsMapRuleToAttributesFunc GetAttributeMappingFunction() const override;
+
+ enum {
+ PARSE_ALLOW_NEGATIVE = 0x02,
+ PARSE_SUPPRESS_WARNINGS = 0x04,
+ };
+ static bool ParseNamedSpaceValue(const nsString& aString,
+ nsCSSValue& aCSSValue, uint32_t aFlags,
+ const Document& aDocument);
+
+ static bool ParseNumericValue(const nsString& aString, nsCSSValue& aCSSValue,
+ uint32_t aFlags, Document* aDocument);
+
+ static void MapMathMLAttributesInto(const nsMappedAttributes* aAttributes,
+ mozilla::MappedDeclarations&);
+
+ void GetEventTargetParent(mozilla::EventChainPreVisitor& aVisitor) override;
+ MOZ_CAN_RUN_SCRIPT
+ nsresult PostHandleEvent(mozilla::EventChainPostVisitor& aVisitor) override;
+ nsresult Clone(mozilla::dom::NodeInfo*, nsINode** aResult) const override;
+ mozilla::dom::ElementState IntrinsicState() const override;
+
+ // Set during reflow as necessary. Does a style change notification,
+ // aNotify must be true.
+ void SetIncrementScriptLevel(bool aIncrementScriptLevel, bool aNotify);
+ bool GetIncrementScriptLevel() const { return mIncrementScriptLevel; }
+
+ int32_t TabIndexDefault() final;
+
+ bool IsFocusableInternal(int32_t* aTabIndex, bool aWithMouse) override;
+ already_AddRefed<nsIURI> GetHrefURI() const override;
+
+ void NodeInfoChanged(Document* aOldDoc) override {
+ ClearHasPendingLinkUpdate();
+ MathMLElementBase::NodeInfoChanged(aOldDoc);
+ }
+
+ bool IsEventAttributeNameInternal(nsAtom* aName) final;
+
+ bool Autofocus() const { return GetBoolAttr(nsGkAtoms::autofocus); }
+ void SetAutofocus(bool aAutofocus, ErrorResult& aRv) {
+ if (aAutofocus) {
+ SetAttr(nsGkAtoms::autofocus, u""_ns, aRv);
+ } else {
+ UnsetAttr(nsGkAtoms::autofocus, aRv);
+ }
+ }
+
+ protected:
+ virtual ~MathMLElement() = default;
+
+ JSObject* WrapNode(JSContext*, JS::Handle<JSObject*> aGivenProto) override;
+
+ void BeforeSetAttr(int32_t aNamespaceID, nsAtom* aName,
+ const nsAttrValue* aValue, bool aNotify) final;
+ void AfterSetAttr(int32_t aNameSpaceID, nsAtom* aName,
+ const nsAttrValue* aValue, const nsAttrValue* aOldValue,
+ nsIPrincipal* aSubjectPrincipal, bool aNotify) override;
+
+ private:
+ bool mIncrementScriptLevel;
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif // mozilla_dom_MathMLElement_h_