From f82086e6d3b1de254afd7dc90163cfb28a1664fd Mon Sep 17 00:00:00 2001
From: Shelley Vohr <shelley.vohr@gmail.com>
Date: Sun, 10 Dec 2017 00:45:49 -0500
Subject: [PATCH] first pass at adding infra for registerDefaults

---
 atom/browser/api/atom_api_system_preferences.h |  1 +
 .../api/atom_api_system_preferences_mac.mm     | 18 ++++++++++++++++++
 2 files changed, 19 insertions(+)

diff --git a/atom/browser/api/atom_api_system_preferences.h b/atom/browser/api/atom_api_system_preferences.h
index ea5daed94a..658f6eebb4 100644
--- a/atom/browser/api/atom_api_system_preferences.h
+++ b/atom/browser/api/atom_api_system_preferences.h
@@ -73,6 +73,7 @@ class SystemPreferences : public mate::EventEmitter<SystemPreferences>
   void UnsubscribeLocalNotification(int request_id);
   v8::Local<v8::Value> GetUserDefault(const std::string& name,
                                       const std::string& type);
+  void registerDefaults(const base::DictionaryValue& defaults);
   void SetUserDefault(const std::string& name,
                       const std::string& type,
                       mate::Arguments* args);
diff --git a/atom/browser/api/atom_api_system_preferences_mac.mm b/atom/browser/api/atom_api_system_preferences_mac.mm
index 58e9b848e2..1317b3026e 100644
--- a/atom/browser/api/atom_api_system_preferences_mac.mm
+++ b/atom/browser/api/atom_api_system_preferences_mac.mm
@@ -144,6 +144,24 @@ v8::Local<v8::Value> SystemPreferences::GetUserDefault(
   }
 }
 
+void SystemPreferences::RegisterDefaults(const base::DictionaryValue& defaults) {
+  NSString *userDefaultsValuesPath;
+    NSDictionary *userDefaultsValuesDict;
+    NSDictionary *initialValuesDict;
+    NSArray *resettableUserDefaultsKeys;
+
+    userDefaultsValuesPath=[[NSBundle mainBundle] pathForResource:@"UserDefaults"
+                               ofType:@"plist"];
+    userDefaultsValuesDict=[NSDictionary dictionaryWithContentsOfFile:userDefaultsValuesPath];
+
+    [[NSUserDefaults standardUserDefaults] registerDefaults:userDefaultsValuesDict];
+
+    resettableUserDefaultsKeys=[NSArray arrayWithObjects:@"Value1",@"Value2",@"Value3",nil];
+    initialValuesDict=[userDefaultsValuesDict dictionaryWithValuesForKeys:resettableUserDefaultsKeys];
+
+    [[NSUserDefaultsController sharedUserDefaultsController] setInitialValues:initialValuesDict];
+}
+
 void SystemPreferences::SetUserDefault(const std::string& name,
                                        const std::string& type,
                                        mate::Arguments* args) {