1 files changed, 51 insertions, 0 deletions
diff --git a/dom/svg/SVGSymbolElement.cpp b/dom/svg/SVGSymbolElement.cpp
new file mode 100644
index 0000000000..eec7851de3
--- /dev/null
+++ b/dom/svg/SVGSymbolElement.cpp
@@ -0,0 +1,51 @@
+/* -*- 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/SVGSymbolElement.h"
+#include "mozilla/dom/SVGSymbolElementBinding.h"
+
+NS_IMPL_NS_NEW_SVG_ELEMENT(Symbol)
+
+namespace mozilla::dom {
+
+JSObject* SVGSymbolElement::WrapNode(JSContext* aCx,
+                                     JS::Handle<JSObject*> aGivenProto) {
+  return SVGSymbolElement_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+//----------------------------------------------------------------------
+// nsISupports methods
+
+NS_IMPL_ISUPPORTS_INHERITED(SVGSymbolElement, SVGSymbolElementBase,
+                            mozilla::dom::SVGTests)
+
+//----------------------------------------------------------------------
+// Implementation
+
+SVGSymbolElement::SVGSymbolElement(
+    already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
+    : SVGSymbolElementBase(std::move(aNodeInfo)) {}
+
+Focusable SVGSymbolElement::IsFocusableWithoutStyle(bool aWithMouse) {
+  if (!CouldBeRendered()) {
+    return {};
+  }
+  return SVGSymbolElementBase::IsFocusableWithoutStyle(aWithMouse);
+}
+
+bool SVGSymbolElement::CouldBeRendered() const {
+  // Only <symbol> elements in the root of a <svg:use> shadow tree are
+  // displayed.
+  auto* shadowRoot = ShadowRoot::FromNodeOrNull(GetParentNode());
+  return shadowRoot && shadowRoot->Host()->IsSVGElement(nsGkAtoms::use);
+}
+
+//----------------------------------------------------------------------
+// nsINode methods
+
+NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGSymbolElement)
+
+}  // namespace mozilla::dom