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-rw-r--r--dom/base/IntlUtils.cpp95
1 files changed, 95 insertions, 0 deletions
diff --git a/dom/base/IntlUtils.cpp b/dom/base/IntlUtils.cpp
new file mode 100644
index 0000000000..7292b9d779
--- /dev/null
+++ b/dom/base/IntlUtils.cpp
@@ -0,0 +1,95 @@
+/* -*- 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 "IntlUtils.h"
+
+#include "mozilla/dom/ToJSValue.h"
+#include "mozilla/intl/LocaleService.h"
+#include "mozIMozIntl.h"
+#include "nsContentUtils.h"
+
+namespace mozilla::dom {
+
+NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(IntlUtils, mWindow)
+NS_IMPL_CYCLE_COLLECTING_ADDREF(IntlUtils)
+NS_IMPL_CYCLE_COLLECTING_RELEASE(IntlUtils)
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(IntlUtils)
+ NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
+ NS_INTERFACE_MAP_ENTRY(nsISupports)
+NS_INTERFACE_MAP_END
+
+IntlUtils::IntlUtils(nsPIDOMWindowInner* aWindow) : mWindow(aWindow) {}
+
+IntlUtils::~IntlUtils() = default;
+
+JSObject* IntlUtils::WrapObject(JSContext* aCx,
+ JS::Handle<JSObject*> aGivenProto) {
+ return IntlUtils_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+void IntlUtils::GetDisplayNames(const Sequence<nsString>& aLocales,
+ const DisplayNameOptions& aOptions,
+ DisplayNameResult& aResult,
+ ErrorResult& aError) {
+ MOZ_ASSERT(nsContentUtils::IsCallerChrome() ||
+ nsContentUtils::IsCallerUAWidget());
+
+ nsCOMPtr<mozIMozIntl> mozIntl = do_GetService("@mozilla.org/mozintl;1");
+ if (!mozIntl) {
+ aError.Throw(NS_ERROR_UNEXPECTED);
+ return;
+ }
+
+ aError.MightThrowJSException();
+
+ // Need to enter privileged junk scope since mozIntl implementation is in
+ // chrome JS and passing XBL JS there shouldn't work.
+ AutoJSAPI jsapi;
+ if (!jsapi.Init(xpc::PrivilegedJunkScope())) {
+ aError.Throw(NS_ERROR_FAILURE);
+ return;
+ }
+ JSContext* cx = jsapi.cx();
+
+ // Prepare parameter for getDisplayNames().
+ JS::Rooted<JS::Value> locales(cx);
+ if (!ToJSValue(cx, aLocales, &locales)) {
+ aError.StealExceptionFromJSContext(cx);
+ return;
+ }
+
+ JS::Rooted<JS::Value> options(cx);
+ if (!ToJSValue(cx, aOptions, &options)) {
+ aError.StealExceptionFromJSContext(cx);
+ return;
+ }
+
+ // Now call the method.
+ JS::Rooted<JS::Value> retVal(cx);
+ nsresult rv = mozIntl->GetDisplayNamesDeprecated(locales, options, &retVal);
+ if (NS_FAILED(rv)) {
+ aError.Throw(rv);
+ return;
+ }
+
+ if (!retVal.isObject() || !JS_WrapValue(cx, &retVal)) {
+ aError.Throw(NS_ERROR_FAILURE);
+ return;
+ }
+
+ // Return the result as DisplayNameResult.
+ if (!aResult.Init(cx, retVal)) {
+ aError.Throw(NS_ERROR_FAILURE);
+ }
+}
+
+bool IntlUtils::IsAppLocaleRTL() {
+ MOZ_ASSERT(nsContentUtils::IsCallerChrome() ||
+ nsContentUtils::IsCallerUAWidget());
+ return intl::LocaleService::GetInstance()->IsAppLocaleRTL();
+}
+
+} // namespace mozilla::dom