ChromeOS: Implement periodic timezone refresh on geolocation data.

chrome/browser/ui/webui/options/browser_options_handler.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/webui/options/browser_options_handler.h"
 
 #include <set>
 #include <string>
 #include <vector>
 
@@ skipping 487 matching lines @@
     { "factoryResetDescription", IDS_OPTIONS_FACTORY_RESET_DESCRIPTION,
       IDS_SHORT_PRODUCT_NAME },
 #endif
     { "languageSectionLabel", IDS_OPTIONS_ADVANCED_LANGUAGE_LABEL,
       IDS_SHORT_PRODUCT_NAME },
 #if defined(ENABLE_SERVICE_DISCOVERY)
     { "cloudPrintDevicesPageButton", IDS_LOCAL_DISCOVERY_DEVICES_PAGE_BUTTON },
     { "cloudPrintEnableNotificationsLabel",
       IDS_LOCAL_DISCOVERY_NOTIFICATIONS_ENABLE_CHECKBOX_LABEL },
 #endif
+#if defined(OS_CHROMEOS)
+    { "resolveTimezoneByGeoLocation",
+      IDS_OPTIONS_RESOLVE_TIMEZONE_BY_GEOLOCATION_DESCRIPTION },
+#endif
   };
 
 #if defined(ENABLE_SETTINGS_APP)
   static OptionsStringResource app_resources[] = {
     { "syncOverview", IDS_SETTINGS_APP_SYNC_OVERVIEW },
     { "syncButtonTextStart", IDS_SYNC_START_SYNC_BUTTON_LABEL,
       IDS_SETTINGS_APP_LAUNCHER_PRODUCT_NAME },
     { "profilesSingleUser", IDS_PROFILES_SINGLE_USER_MESSAGE,
       IDS_SETTINGS_APP_LAUNCHER_PRODUCT_NAME },
     { "languageSectionLabel", IDS_OPTIONS_ADVANCED_LANGUAGE_LABEL,
@@ skipping 147 matching lines @@
                      base::CommandLine::ForCurrentProcess()->HasSwitch(
                          switches::kEnableWebsiteSettingsManager));
 
   values->SetBoolean("usingNewProfilesUI", switches::IsNewAvatarMenu());
 
 #if defined(OS_CHROMEOS)
   values->SetBoolean(
       "showWakeOnWifi",
       chromeos::WakeOnWifiManager::Get()->WakeOnWifiSupported() &&
       chromeos::switches::WakeOnWifiEnabled());
+  const bool have_enable_time_zone_tracking_option_switch =
+      base::CommandLine::ForCurrentProcess()->HasSwitch(
+          chromeos::switches::kEnableTimeZoneTrackingOption);
+  values->SetBoolean("enableTimeZoneTrackingOption",
+                     have_enable_time_zone_tracking_option_switch &&
+                         !chromeos::system::HasSystemTimezonePolicy());
 #endif
 }
 
 #if defined(ENABLE_PRINT_PREVIEW)
 void BrowserOptionsHandler::RegisterCloudPrintValues(
     base::DictionaryValue* values) {
   values->SetString("cloudPrintOptionLabel",
                     l10n_util::GetStringFUTF16(
                         IDS_CLOUD_PRINT_CHROMEOS_OPTION_LABEL,
                         l10n_util::GetStringUTF16(IDS_GOOGLE_CLOUD_PRINT)));
@@ skipping 265 matching lines @@
         policy::PolicyNamespace(policy::POLICY_DOMAIN_CHROME, std::string())));
     policy_registrar_->Observe(
         policy::key::kUserAvatarImage,
         base::Bind(&BrowserOptionsHandler::OnUserImagePolicyChanged,
                    base::Unretained(this)));
     policy_registrar_->Observe(
         policy::key::kWallpaperImage,
         base::Bind(&BrowserOptionsHandler::OnWallpaperPolicyChanged,
                    base::Unretained(this)));
   }
+  chromeos::CrosSettings::Get()->AddSettingsObserver(
+      chromeos::kSystemTimezonePolicy,
+      base::Bind(&BrowserOptionsHandler::OnSystemTimezonePolicyChanged,
+                 weak_ptr_factory_.GetWeakPtr()));
 #else  // !defined(OS_CHROMEOS)
   profile_pref_registrar_.Add(
       prefs::kProxy,
       base::Bind(&BrowserOptionsHandler::SetupProxySettingsSection,
                  base::Unretained(this)));
 #endif  // !defined(OS_CHROMEOS)
 }
 
 void BrowserOptionsHandler::InitializePage() {
   page_initialized_ = true;
@@ skipping 439 matching lines @@
 
 void BrowserOptionsHandler::OnWallpaperManagedChanged(bool managed) {
 #if defined(USE_ATHENA)
   // In Athena, we don't allow customizing wallpaper right now.
   // TODO(mukai|bshe): remove this.  http://crbug.com/408734
   managed = true;
 #endif
   web_ui()->CallJavascriptFunction("BrowserOptions.setWallpaperManaged",
                                    base::FundamentalValue(managed));
 }
+
+void BrowserOptionsHandler::OnSystemTimezonePolicyChanged() {
+  web_ui()->CallJavascriptFunction(
+      "BrowserOptions.setSystemTimezoneManaged",
+      base::FundamentalValue(chromeos::system::HasSystemTimezonePolicy()));
+}
 #endif
 
 scoped_ptr<base::DictionaryValue>
 BrowserOptionsHandler::GetSyncStateDictionary() {
   // The items which are to be written into |sync_status| are also described in
   // chrome/browser/resources/options/browser_options.js in @typedef
   // for SyncStatus. Please update it whenever you add or remove any keys here.
   scoped_ptr<base::DictionaryValue> sync_status(new base::DictionaryValue);
   Profile* profile = Profile::FromWebUI(web_ui());
   if (profile->IsGuestSession()) {
@@ skipping 680 matching lines @@
 void BrowserOptionsHandler::OnPolicyUpdated(const policy::PolicyNamespace& ns,
                                             const policy::PolicyMap& previous,
                                             const policy::PolicyMap& current) {
   std::set<std::string> different_keys;
   current.GetDifferingKeys(previous, &different_keys);
   if (ContainsKey(different_keys, policy::key::kMetricsReportingEnabled))
     SetupMetricsReportingCheckbox();
 }
 
 }  // namespace options