From 6a1ad20ce9eac21a4ab3a2b7a14521821e316d05 Mon Sep 17 00:00:00 2001
From: Todd Volkert <tvolkert@google.com>
Date: Mon, 7 Mar 2016 14:37:10 -0800
Subject: [PATCH] Wire up locale notifications to ios.

Fixes #2282
---
 sky/shell/platform/ios/sky_surface.mm | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/sky/shell/platform/ios/sky_surface.mm b/sky/shell/platform/ios/sky_surface.mm
index 811652c3b4..842a701370 100644
--- a/sky/shell/platform/ios/sky_surface.mm
+++ b/sky/shell/platform/ios/sky_surface.mm
@@ -157,6 +157,12 @@ static std::string TracesBasePath() {
            selector:@selector(keyboardWillBeHidden:)
                name:UIKeyboardWillHideNotification
              object:nil];
+
+    [[NSNotificationCenter defaultCenter]
+        addObserver:self
+           selector:@selector(onLocaleUpdated:)
+               name:NSCurrentLocaleDidChangeNotification
+             object:nil];
   }
   return self;
 }
@@ -179,6 +185,13 @@ static std::string TracesBasePath() {
   _engine->OnViewportMetricsChanged(_viewportMetrics.Clone());
 }
 
+- (void)onLocaleUpdated:(NSNotification*)notification {
+    NSLocale *currentLocale = [NSLocale currentLocale];
+    NSString *languageCode = [currentLocale objectForKey:NSLocaleLanguageCode];
+    NSString *countryCode = [currentLocale objectForKey:NSLocaleCountryCode];
+    _engine->OnLocaleChanged(languageCode.UTF8String, countryCode.UTF8String);
+}
+
 - (void)layoutSubviews {
   TRACE_EVENT0("flutter", "layoutSubviews");
   [super layoutSubviews];
@@ -253,6 +266,9 @@ static std::string TracesBasePath() {
   services->services_provided_by_embedder = service_provider.Pass();
   _engine->SetServices(services.Pass());
 
+  // Initialize to current locale
+  [self onLocaleUpdated:nil];
+
 #if TARGET_IPHONE_SIMULATOR
   [self runFromDartSource];
 #else
-- 
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