Bug 1322938 - Basic implementation of HTMLDialogElement.

Tag #1343

dom/html/HTMLDialogElement.h

@@ -0,0 +1,58 @@
+/* -*- 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 HTMLDialogElement_h
+#define HTMLDialogElement_h
+
+#include "mozilla/Attributes.h"
+#include "nsGenericHTMLElement.h"
+#include "nsGkAtoms.h"
+
+namespace mozilla {
+namespace dom {
+
+class HTMLDialogElement final : public nsGenericHTMLElement
+{
+public:
+  explicit HTMLDialogElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo) : nsGenericHTMLElement(aNodeInfo)
+  {
+  }
+
+  NS_IMPL_FROMCONTENT_HTML_WITH_TAG(HTMLDialogElement, dialog)
+
+  virtual nsresult Clone(mozilla::dom::NodeInfo* aNodeInfo, nsINode** aResult) const override;
+
+  bool Open() const { return GetBoolAttr(nsGkAtoms::open); }
+  void SetOpen(bool aOpen, ErrorResult& aError)
+  {
+    SetHTMLBoolAttr(nsGkAtoms::open, aOpen, aError);
+  }
+
+  void GetReturnValue(nsAString& aReturnValue)
+  {
+    aReturnValue = mReturnValue;
+  }
+  void SetReturnValue(const nsAString& aReturnValue)
+  {
+    mReturnValue = aReturnValue;
+  }
+
+  void Close(const mozilla::dom::Optional<nsAString>& aReturnValue);
+  void Show();
+  void ShowModal(ErrorResult& aError);
+
+  nsString mReturnValue;
+
+protected:
+  virtual ~HTMLDialogElement();
+  JSObject* WrapNode(JSContext* aCx,
+                     JS::Handle<JSObject*> aGivenProto) override;
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif