am cac2fd30: Merge "Revert "Use a build-specific wifi country code"" into klp-dev

* commit 'cac2fd302e844a4a46bb1749a2d2ed4739b4dc53':
  Revert "Use a build-specific wifi country code"

core/java/android/provider/Settings.java

@@ -2806,6 +2806,7 @@ public final class Settings {
             MOVED_TO_GLOBAL.add(Settings.Global.USB_MASS_STORAGE_ENABLED);
             MOVED_TO_GLOBAL.add(Settings.Global.USE_GOOGLE_MAIL);
             MOVED_TO_GLOBAL.add(Settings.Global.WEB_AUTOFILL_QUERY_URL);
+            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_COUNTRY_CODE);
             MOVED_TO_GLOBAL.add(Settings.Global.WIFI_FRAMEWORK_SCAN_INTERVAL_MS);
             MOVED_TO_GLOBAL.add(Settings.Global.WIFI_FREQUENCY_BAND);
             MOVED_TO_GLOBAL.add(Settings.Global.WIFI_IDLE_MS);
@@ -5229,6 +5230,12 @@ public final class Settings {
        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
                "wifi_networks_available_repeat_delay";
 
+       /**
+        * 802.11 country code in ISO 3166 format
+        * @hide
+        */
+       public static final String WIFI_COUNTRY_CODE = "wifi_country_code";
+
        /**
         * The interval in milliseconds to issue wake up scans when wifi needs
         * to connect. This is necessary to connect to an access point when

core/res/res/values/config.xml

@@ -352,10 +352,6 @@
     <!-- Wifi driver supports batched scan -->
     <bool translatable="false" name="config_wifi_batched_scan_supported">false</bool>
 
-    <!-- Default wifi country code.  If the device is going to be sold in the US this
-         needs to be US.  Uses ISO 3166 country code -->
-    <string translatable="false" name="config_wifi_default_country_code">US</string>
-
     <!-- Flag indicating whether the we should enable the automatic brightness in Settings.
          Software implementation will be used if config_hardware_auto_brightness_available is not set -->
     <bool name="config_automatic_brightness_available">false</bool>

core/res/res/values/symbols.xml

@@ -820,7 +820,6 @@
   <java-symbol type="string" name="wifi_tether_configure_ssid_default" />
   <java-symbol type="string" name="wifi_watchdog_network_disabled" />
   <java-symbol type="string" name="wifi_watchdog_network_disabled_detailed" />
-  <java-symbol type="string" name="config_wifi_default_country_code" />
   <java-symbol type="string" name="imei" />
   <java-symbol type="string" name="meid" />
   <java-symbol type="string" name="granularity_label_character" />

wifi/java/android/net/wifi/WifiStateMachine.java

@@ -1466,6 +1466,9 @@ public class WifiStateMachine extends StateMachine {
     public void setCountryCode(String countryCode, boolean persist) {
         if (persist) {
             mPersistedCountryCode = countryCode;
+            Settings.Global.putString(mContext.getContentResolver(),
+                    Settings.Global.WIFI_COUNTRY_CODE,
+                    countryCode);
         }
         sendMessage(CMD_SET_COUNTRY_CODE, countryCode);
         mWifiP2pChannel.sendMessage(WifiP2pService.SET_COUNTRY_CODE, countryCode);
@@ -1698,8 +1701,8 @@ public class WifiStateMachine extends StateMachine {
      * Set the country code from the system setting value, if any.
      */
     private void setCountryCode() {
-        String countryCode = mContext.getResources().getString(
-                                    R.string.config_wifi_default_country_code);
+        String countryCode = Settings.Global.getString(mContext.getContentResolver(),
+                Settings.Global.WIFI_COUNTRY_CODE);
         if (countryCode != null && !countryCode.isEmpty()) {
             setCountryCode(countryCode, false);
         } else {
@@ -2424,6 +2427,13 @@ public class WifiStateMachine extends StateMachine {
                 case CMD_BOOT_COMPLETED:
                     String countryCode = mPersistedCountryCode;
                     if (TextUtils.isEmpty(countryCode) == false) {
+                        Settings.Global.putString(mContext.getContentResolver(),
+                                Settings.Global.WIFI_COUNTRY_CODE,
+                                countryCode);
+                        // it may be that the state transition that should send this info
+                        // to the driver happened between mPersistedCountryCode getting set
+                        // and now, so simply persisting it here would mean we have sent
+                        // nothing to the driver.  Send the cmd so it might be set now.
                         sendMessageAtFrontOfQueue(CMD_SET_COUNTRY_CODE, countryCode);
                     }
                     break;

wifi/java/android/net/wifi/p2p/WifiP2pService.java

@@ -2545,6 +2545,12 @@ public class WifiP2pService extends IWifiP2pManager.Stub {
         mServiceTransactionId = 0;
         mServiceDiscReqId = null;
 
+        String countryCode = Settings.Global.getString(mContext.getContentResolver(),
+                Settings.Global.WIFI_COUNTRY_CODE);
+        if (countryCode != null && !countryCode.isEmpty()) {
+            mP2pStateMachine.sendMessage(SET_COUNTRY_CODE, countryCode);
+        }
+
         updatePersistentNetworks(RELOAD);
     }