1 files changed, 53 insertions, 0 deletions
diff --git a/dom/html/HTMLPreElement.h b/dom/html/HTMLPreElement.h
new file mode 100644
index 0000000000..98e5b9d746
--- /dev/null
+++ b/dom/html/HTMLPreElement.h
@@ -0,0 +1,53 @@
+/* -*- 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_HTMLPreElement_h
+#define mozilla_dom_HTMLPreElement_h
+
+#include "mozilla/Attributes.h"
+
+#include "nsGenericHTMLElement.h"
+
+namespace mozilla::dom {
+
+class HTMLPreElement final : public nsGenericHTMLElement {
+ public:
+  explicit HTMLPreElement(already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
+      : nsGenericHTMLElement(std::move(aNodeInfo)) {}
+
+  // nsISupports
+  NS_INLINE_DECL_REFCOUNTING_INHERITED(HTMLPreElement, nsGenericHTMLElement)
+
+  virtual bool ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute,
+                              const nsAString& aValue,
+                              nsIPrincipal* aMaybeScriptedPrincipal,
+                              nsAttrValue& aResult) override;
+  NS_IMETHOD_(bool) IsAttributeMapped(const nsAtom* aAttribute) const override;
+  virtual nsMapRuleToAttributesFunc GetAttributeMappingFunction()
+      const override;
+
+  virtual nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
+
+  // WebIDL API
+  int32_t Width() const { return GetIntAttr(nsGkAtoms::width, 0); }
+  void SetWidth(int32_t aWidth, mozilla::ErrorResult& rv) {
+    rv = SetIntAttr(nsGkAtoms::width, aWidth);
+  }
+
+ protected:
+  virtual ~HTMLPreElement();
+
+  virtual JSObject* WrapNode(JSContext* aCx,
+                             JS::Handle<JSObject*> aGivenProto) override;
+
+ private:
+  static void MapAttributesIntoRule(const nsMappedAttributes* aAttributes,
+                                    MappedDeclarations&);
+};
+
+}  // namespace mozilla::dom
+
+#endif  // mozilla_dom_HTMLPreElement_h