1 files changed, 76 insertions, 0 deletions
diff --git a/dom/html/HTMLMetaElement.h b/dom/html/HTMLMetaElement.h
new file mode 100644
index 0000000000..d07bf54070
--- /dev/null
+++ b/dom/html/HTMLMetaElement.h
@@ -0,0 +1,76 @@
+/* -*- 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_HTMLMetaElement_h
+#define mozilla_dom_HTMLMetaElement_h
+
+#include "mozilla/Attributes.h"
+#include "nsGenericHTMLElement.h"
+
+namespace mozilla::dom {
+
+class HTMLMetaElement final : public nsGenericHTMLElement {
+ public:
+  explicit HTMLMetaElement(
+      already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
+
+  // nsISupports
+  NS_INLINE_DECL_REFCOUNTING_INHERITED(HTMLMetaElement, nsGenericHTMLElement)
+
+  virtual nsresult BindToTree(BindContext&, nsINode& aParent) override;
+  virtual void UnbindFromTree(bool aNullParent = true) override;
+
+  virtual nsresult AfterSetAttr(int32_t aNameSpaceID, nsAtom* aName,
+                                const nsAttrValue* aValue,
+                                const nsAttrValue* aOldValue,
+                                nsIPrincipal* aSubjectPrincipal,
+                                bool aNotify) override;
+
+  void CreateAndDispatchEvent(Document&, const nsAString& aEventName);
+
+  virtual nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
+
+  void GetName(nsAString& aValue) { GetHTMLAttr(nsGkAtoms::name, aValue); }
+  void SetName(const nsAString& aName, ErrorResult& aRv) {
+    SetHTMLAttr(nsGkAtoms::name, aName, aRv);
+  }
+  void GetHttpEquiv(nsAString& aValue) {
+    GetHTMLAttr(nsGkAtoms::httpEquiv, aValue);
+  }
+  void SetHttpEquiv(const nsAString& aHttpEquiv, ErrorResult& aRv) {
+    SetHTMLAttr(nsGkAtoms::httpEquiv, aHttpEquiv, aRv);
+  }
+  void GetContent(nsAString& aValue) {
+    GetHTMLAttr(nsGkAtoms::content, aValue);
+  }
+  void SetContent(const nsAString& aContent, ErrorResult& aRv) {
+    SetHTMLAttr(nsGkAtoms::content, aContent, aRv);
+  }
+  void GetScheme(nsAString& aValue) { GetHTMLAttr(nsGkAtoms::scheme, aValue); }
+  void SetScheme(const nsAString& aScheme, ErrorResult& aRv) {
+    SetHTMLAttr(nsGkAtoms::scheme, aScheme, aRv);
+  }
+  void GetMedia(nsAString& aValue) { GetHTMLAttr(nsGkAtoms::media, aValue); }
+  void SetMedia(const nsAString& aMedia, ErrorResult& aRv) {
+    SetHTMLAttr(nsGkAtoms::media, aMedia, aRv);
+  }
+
+  JSObject* WrapNode(JSContext*, JS::Handle<JSObject*> aGivenProto) override;
+
+ protected:
+  virtual ~HTMLMetaElement();
+
+ private:
+  enum class ChangeKind : uint8_t { TreeChange, NameChange, ContentChange };
+  void MetaRemoved(Document& aDoc, const nsAttrValue& aName,
+                   ChangeKind aChangeKind);
+  void MetaAddedOrChanged(Document& aDoc, const nsAttrValue& aName,
+                          ChangeKind aChangeKind);
+};
+
+}  // namespace mozilla::dom
+
+#endif  // mozilla_dom_HTMLMetaElement_h