1 files changed, 49 insertions, 0 deletions
diff --git a/dom/svg/DOMSVGAnimatedString.h b/dom/svg/DOMSVGAnimatedString.h
new file mode 100644
index 0000000000..0fe7b330a0
--- /dev/null
+++ b/dom/svg/DOMSVGAnimatedString.h
@@ -0,0 +1,49 @@
+/* -*- 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 DOM_SVG_DOMSVGANIMATEDSTRING_H_
+#define DOM_SVG_DOMSVGANIMATEDSTRING_H_
+
+#include "mozilla/SVGAnimatedClassOrString.h"
+#include "mozilla/dom/SVGElement.h"
+
+namespace mozilla::dom {
+
+class DOMSVGAnimatedString final : public nsWrapperCache {
+ public:
+  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(DOMSVGAnimatedString)
+  NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(DOMSVGAnimatedString)
+
+  DOMSVGAnimatedString(SVGAnimatedClassOrString* aVal, SVGElement* aSVGElement)
+      : mVal(aVal), mSVGElement(aSVGElement) {}
+
+  JSObject* WrapObject(JSContext* aCx,
+                       JS::Handle<JSObject*> aGivenProto) override;
+
+  // WebIDL
+  SVGElement* GetParentObject() const { return mSVGElement; }
+
+  void GetBaseVal(nsAString& aResult) {
+    mVal->GetBaseValue(aResult, mSVGElement);
+  }
+  void SetBaseVal(const nsAString& aValue) {
+    mVal->SetBaseValue(aValue, mSVGElement, true);
+  }
+  void GetAnimVal(nsAString& aResult) {
+    mSVGElement->FlushAnimations();
+    mVal->GetAnimValue(aResult, mSVGElement);
+  }
+
+ private:
+  ~DOMSVGAnimatedString() { mVal->RemoveTearoff(); }
+
+  SVGAnimatedClassOrString* mVal;  // kept alive because it belongs to content
+  RefPtr<SVGElement> mSVGElement;
+};
+
+}  // namespace mozilla::dom
+
+#endif  // DOM_SVG_DOMSVGANIMATEDSTRING_H_