From f413cfed260cb4c5327571d7ec6e0a6f18e9639e Mon Sep 17 00:00:00 2001
From: Alex Lin <wwl@google.com>
Date: Wed, 20 Nov 2019 16:32:50 -0800
Subject: [PATCH] [DO NOT MERGE] Add country blacklist support

Adding a country blacklist, except for pixel2(walleye, taimen) will still uses whitelist
Bug: 144702079
Test: manually tested

(cherry picked from commit 3844ba12596bd518bc7af6df50a1dc1c0c328fa4)

Change-Id: I4133e38ba2a979dc0bff4ca5090004ccc9f7a757
---
 .../network/telephony/MobileNetworkUtils.java | 43 +++++++++++++++----
 1 file changed, 35 insertions(+), 8 deletions(-)

diff --git a/src/com/android/settings/network/telephony/MobileNetworkUtils.java b/src/com/android/settings/network/telephony/MobileNetworkUtils.java
index cd4489daa93..9823d6f838b 100644
--- a/src/com/android/settings/network/telephony/MobileNetworkUtils.java
+++ b/src/com/android/settings/network/telephony/MobileNetworkUtils.java
@@ -226,16 +226,23 @@ public class MobileNetworkUtils {
         final String currentCountry = tm.getNetworkCountryIso().toLowerCase();
         final String supportedCountries =
                 Settings.Global.getString(cr, Settings.Global.EUICC_SUPPORTED_COUNTRIES);
+        final String unsupportedCountries =
+                Settings.Global.getString(cr, Settings.Global.EUICC_UNSUPPORTED_COUNTRIES);
+
         boolean inEsimSupportedCountries = false;
-        if (TextUtils.isEmpty(currentCountry)) {
-            inEsimSupportedCountries = true;
-        } else if (!TextUtils.isEmpty(supportedCountries)) {
-            final List<String> supportedCountryList =
-                    Arrays.asList(TextUtils.split(supportedCountries.toLowerCase(), ","));
-            if (supportedCountryList.contains(currentCountry)) {
-                inEsimSupportedCountries = true;
-            }
+
+        if (TextUtils.isEmpty(supportedCountries)) {
+            // White list is empty, use blacklist.
+            Log.d(TAG, "Using blacklist unsupportedCountries=" + unsupportedCountries);
+            inEsimSupportedCountries = !isEsimUnsupportedCountry(currentCountry,
+                    unsupportedCountries);
+        } else {
+            Log.d(TAG, "Using whitelist supportedCountries=" + supportedCountries);
+            inEsimSupportedCountries = isEsimSupportedCountry(currentCountry, supportedCountries);
         }
+
+        Log.d(TAG, "inEsimSupportedCountries=" + inEsimSupportedCountries);
+
         final boolean esimIgnoredDevice =
                 Arrays.asList(TextUtils.split(SystemProperties.get(KEY_ESIM_CID_IGNORE, ""), ","))
                         .contains(SystemProperties.get(KEY_CID, null));
@@ -611,4 +618,24 @@ public class MobileNetworkUtils {
         }
         return tm.getNetworkOperatorName();
     }
+
+    private static boolean isEsimSupportedCountry(String country, String countriesListString) {
+        if (TextUtils.isEmpty(country)) {
+            return true;
+        } else if (TextUtils.isEmpty(countriesListString)) {
+            return false;
+        }
+        final List<String> supportedCountries =
+                Arrays.asList(TextUtils.split(countriesListString.toLowerCase(), ","));
+        return supportedCountries.contains(country);
+    }
+
+    private static boolean isEsimUnsupportedCountry(String country, String countriesListString) {
+        if (TextUtils.isEmpty(country) || TextUtils.isEmpty(countriesListString)) {
+            return false;
+        }
+        final List<String> unsupportedCountries =
+                Arrays.asList(TextUtils.split(countriesListString.toLowerCase(), ","));
+        return unsupportedCountries.contains(country);
+    }
 }