am 91bb0771: Merge "Enable Turkish language encoding for Turkish SIM cards." into jb-mr1.1-dev

* commit '91bb07718bc005c320477c4bba66e1ee958a9ce2':
  Enable Turkish language encoding for Turkish SIM cards.

1 files changed, 28 insertions, 11 deletions

diff --git a/telephony/java/com/android/internal/telephony/GsmAlphabet.java b/telephony/java/com/android/internal/telephony/GsmAlphabet.java
index 04b1220..ba14ea7 100644
--- a/telephony/java/com/android/internal/telephony/GsmAlphabet.java
+++ b/telephony/java/com/android/internal/telephony/GsmAlphabet.java
@@ -803,6 +803,10 @@ public class GsmAlphabet {
      */
     public static TextEncodingDetails
     countGsmSeptets(CharSequence s, boolean use7bitOnly) {
+        // Load enabled language tables from config.xml, including any MCC overlays
+        if (!sDisableCountryEncodingCheck) {
+            enableCountrySpecificEncodings();
+        }
         // fast path for common case where no national language shift tables are enabled
         if (sEnabledSingleShiftTables.length + sEnabledLockingShiftTables.length == 0) {
             TextEncodingDetails ted = new TextEncodingDetails();
@@ -989,6 +993,7 @@ public class GsmAlphabet {
      */
     static synchronized void setEnabledSingleShiftTables(int[] tables) {
         sEnabledSingleShiftTables = tables;
+        sDisableCountryEncodingCheck = true;
 
         if (tables.length > 0) {
             sHighestEnabledSingleShiftCode = tables[tables.length - 1];
@@ -1006,6 +1011,7 @@ public class GsmAlphabet {
      */
     static synchronized void setEnabledLockingShiftTables(int[] tables) {
         sEnabledLockingShiftTables = tables;
+        sDisableCountryEncodingCheck = true;
     }
 
     /**
@@ -1030,6 +1036,24 @@ public class GsmAlphabet {
         return sEnabledLockingShiftTables;
     }
 
+    /**
+     * Enable country-specific language tables from MCC-specific overlays.
+     * @context the context to use to get the TelephonyManager
+     */
+    private static void enableCountrySpecificEncodings() {
+        Resources r = Resources.getSystem();
+        // See comments in frameworks/base/core/res/res/values/config.xml for allowed values
+        sEnabledSingleShiftTables = r.getIntArray(R.array.config_sms_enabled_single_shift_tables);
+        sEnabledLockingShiftTables = r.getIntArray(R.array.config_sms_enabled_locking_shift_tables);
+
+        if (sEnabledSingleShiftTables.length > 0) {
+            sHighestEnabledSingleShiftCode =
+                    sEnabledSingleShiftTables[sEnabledSingleShiftTables.length-1];
+        } else {
+            sHighestEnabledSingleShiftCode = 0;
+        }
+    }
+
     /** Reverse mapping from Unicode characters to indexes into language tables. */
     private static final SparseIntArray[] sCharsToGsmTables;
 
@@ -1045,6 +1069,9 @@ public class GsmAlphabet {
     /** Highest language code to include in array of single shift counters. */
     private static int sHighestEnabledSingleShiftCode;
 
+    /** Flag to bypass check for country-specific overlays (for test cases only). */
+    private static boolean sDisableCountryEncodingCheck = false;
+
     /**
      * Septet counter for a specific locking shift table and all of
      * the single shift tables that it can be paired with.
@@ -1408,10 +1435,7 @@ public class GsmAlphabet {
     };
 
     static {
-        Resources r = Resources.getSystem();
-        // See comments in frameworks/base/core/res/res/values/config.xml for allowed values
-        sEnabledSingleShiftTables = r.getIntArray(R.array.config_sms_enabled_single_shift_tables);
-        sEnabledLockingShiftTables = r.getIntArray(R.array.config_sms_enabled_locking_shift_tables);
+        enableCountrySpecificEncodings();
         int numTables = sLanguageTables.length;
         int numShiftTables = sLanguageShiftTables.length;
         if (numTables != numShiftTables) {
@@ -1419,13 +1443,6 @@ public class GsmAlphabet {
                     " != shift tables array length " + numShiftTables);
         }
 
-        if (sEnabledSingleShiftTables.length > 0) {
-            sHighestEnabledSingleShiftCode =
-                    sEnabledSingleShiftTables[sEnabledSingleShiftTables.length-1];
-        } else {
-            sHighestEnabledSingleShiftCode = 0;
-        }
-
         sCharsToGsmTables = new SparseIntArray[numTables];
         for (int i = 0; i < numTables; i++) {
             String table = sLanguageTables[i];