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-rw-r--r--xpcom/base/MacHelpers.mm32
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diff --git a/xpcom/base/MacHelpers.mm b/xpcom/base/MacHelpers.mm
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+/* -*- 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 "nsString.h"
+#include "MacHelpers.h"
+#include "MacStringHelpers.h"
+#include "nsObjCExceptions.h"
+
+#import <Foundation/Foundation.h>
+
+namespace mozilla {
+
+nsresult GetSelectedCityInfo(nsAString& aCountryCode) {
+ NS_OBJC_BEGIN_TRY_BLOCK_RETURN;
+
+ // Can be replaced with [[NSLocale currentLocale] countryCode] once we build
+ // with the 10.12 SDK.
+ id countryCode = [[NSLocale currentLocale] objectForKey:NSLocaleCountryCode];
+
+ if (![countryCode isKindOfClass:[NSString class]]) {
+ return NS_ERROR_FAILURE;
+ }
+
+ return mozilla::CopyCocoaStringToXPCOMString((NSString*)countryCode, aCountryCode);
+
+ NS_OBJC_END_TRY_BLOCK_RETURN(NS_ERROR_FAILURE);
+}
+
+} // namespace mozilla