1 files changed, 51 insertions, 0 deletions
diff --git a/dom/base/IntlUtils.h b/dom/base/IntlUtils.h
new file mode 100644
index 0000000000..51531e6140
--- /dev/null
+++ b/dom/base/IntlUtils.h
@@ -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/. */
+#ifndef mozilla_dom_IntlUtils_h
+#define mozilla_dom_IntlUtils_h
+
+#include "mozilla/dom/IntlUtilsBinding.h"
+#include "nsWrapperCache.h"
+#include "xpcprivate.h"
+
+class nsPIDOMWindowInner;
+
+namespace mozilla::dom {
+
+#ifdef XP_WIN
+#  undef GetLocaleInfo
+#endif
+
+class IntlUtils final : public nsISupports, public nsWrapperCache {
+ public:
+  explicit IntlUtils(nsPIDOMWindowInner* aWindow);
+
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(IntlUtils)
+
+  nsPIDOMWindowInner* GetParentObject() const { return mWindow; }
+
+  JSObject* WrapObject(JSContext* aCx,
+                       JS::Handle<JSObject*> aGivenProto) override;
+
+  void GetDisplayNames(const Sequence<nsString>& aLocales,
+                       const mozilla::dom::DisplayNameOptions& aOptions,
+                       mozilla::dom::DisplayNameResult& aResult,
+                       mozilla::ErrorResult& aError);
+
+  void GetLocaleInfo(const Sequence<nsString>& aLocales,
+                     mozilla::dom::LocaleInfo& aResult,
+                     mozilla::ErrorResult& aError);
+
+  bool IsAppLocaleRTL();
+
+ private:
+  ~IntlUtils();
+
+  nsCOMPtr<nsPIDOMWindowInner> mWindow;
+};
+
+}  // namespace mozilla::dom
+#endif