CMSettingsProvider: Add ability to read region locked themes

Change-Id: I51c0d68d763e7cfec7bdc7b18782d66732fb2160
(cherry picked from commit 20cecb7dec7efb35277138bc7fa57704c3757414)

1 files changed, 65 insertions, 4 deletions

diff --git a/packages/CMSettingsProvider/src/org/cyanogenmod/cmsettings/CMDatabaseHelper.java b/packages/CMSettingsProvider/src/org/cyanogenmod/cmsettings/CMDatabaseHelper.java
index 5da7795..819739e 100644
--- a/packages/CMSettingsProvider/src/org/cyanogenmod/cmsettings/CMDatabaseHelper.java
+++ b/packages/CMSettingsProvider/src/org/cyanogenmod/cmsettings/CMDatabaseHelper.java
@@ -18,12 +18,20 @@ package org.cyanogenmod.cmsettings;
 
 import android.content.ContentValues;
 import android.content.Context;
+import android.content.pm.PackageManager;
+import android.content.res.AssetManager;
+import android.content.res.Configuration;
+import android.content.res.Resources;
 import android.database.sqlite.SQLiteDatabase;
 import android.database.sqlite.SQLiteOpenHelper;
+import android.database.sqlite.SQLiteStatement;
 import android.os.Build;
 import android.os.Environment;
+import android.os.SystemProperties;
 import android.os.UserHandle;
 import android.provider.Settings;
+import android.text.TextUtils;
+import android.util.DisplayMetrics;
 import android.util.Log;
 import cyanogenmod.providers.CMSettings;
 
@@ -58,8 +66,11 @@ public class CMDatabaseHelper extends SQLiteOpenHelper{
 
     private static final String DROP_INDEX_SQL_FORMAT = "DROP INDEX IF EXISTS %sIndex%d;";
 
+    private static final String MCC_PROP_NAME = "ro.prebundled.mcc";
+
     private Context mContext;
     private int mUserHandle;
+    private String mPublicSrcDir;
 
     /**
      * Gets the appropriate database path for a specific user
@@ -88,6 +99,14 @@ public class CMDatabaseHelper extends SQLiteOpenHelper{
         super(context, dbNameForUser(userId), null, DATABASE_VERSION);
         mContext = context;
         mUserHandle = userId;
+
+        try {
+            String packageName = mContext.getPackageName();
+            mPublicSrcDir = mContext.getPackageManager().getApplicationInfo(packageName, 0)
+                    .publicSourceDir;
+        } catch (PackageManager.NameNotFoundException e) {
+            e.printStackTrace();
+        }
     }
 
     /**
@@ -195,11 +214,11 @@ public class CMDatabaseHelper extends SQLiteOpenHelper{
         loadBooleanSetting(db, CMTableNames.TABLE_SECURE, CMSettings.Secure.ADVANCED_MODE,
                 R.bool.def_advanced_mode);
 
-        loadStringSetting(db, CMTableNames.TABLE_SECURE, CMSettings.Secure.DEFAULT_THEME_COMPONENTS,
-                R.string.def_theme_components);
+        loadRegionLockedStringSetting(db, CMTableNames.TABLE_SECURE,
+                CMSettings.Secure.DEFAULT_THEME_COMPONENTS, R.string.def_theme_components);
 
-        loadStringSetting(db, CMTableNames.TABLE_SECURE, CMSettings.Secure.DEFAULT_THEME_PACKAGE,
-                R.string.def_theme_package);
+        loadRegionLockedStringSetting(db, CMTableNames.TABLE_SECURE,
+                CMSettings.Secure.DEFAULT_THEME_PACKAGE, R.string.def_theme_package);
 
         loadIntegerSetting(db, CMTableNames.TABLE_SECURE, CMSettings.Secure.DEV_FORCE_SHOW_NAVBAR,
                 R.integer.def_force_show_navbar);
@@ -212,6 +231,48 @@ public class CMDatabaseHelper extends SQLiteOpenHelper{
     }
 
     /**
+     * Loads a region locked string setting into a database table. If the resource for the specific
+     * mcc is not found, the setting is loaded from the default resources.
+     * @param db The {@link SQLiteDatabase} to insert into.
+     * @param tableName The name of the table to insert into.
+     * @param name The name of the value to insert into the table.
+     * @param resId The name of the string resource.
+     */
+    private void loadRegionLockedStringSetting(SQLiteDatabase db, String tableName, String name,
+            int resId) {
+        String mcc = SystemProperties.get(MCC_PROP_NAME);
+        Resources customResources = null;
+
+        if (!TextUtils.isEmpty(mcc)) {
+            Configuration tempConfiguration = new Configuration();
+            boolean useTempConfig = false;
+
+            try {
+                tempConfiguration.mcc = Integer.parseInt(mcc);
+                useTempConfig = true;
+            } catch (NumberFormatException e) {
+                // not able to parse mcc, catch exception and exit out of this logic
+                e.printStackTrace();
+            }
+
+            if (useTempConfig) {
+                AssetManager assetManager = new AssetManager();
+
+                if (!TextUtils.isEmpty(mPublicSrcDir)) {
+                    assetManager.addAssetPath(mPublicSrcDir);
+                }
+
+                customResources = new Resources(assetManager, new DisplayMetrics(),
+                        tempConfiguration);
+            }
+        }
+
+        String value = customResources == null ? mContext.getResources().getString(resId)
+                : customResources.getString(resId);
+        loadSettingsForTable(db, tableName, name, value);
+    }
+
+    /**
      * Loads a string resource into a database table. If a conflict occurs, that value is not
      * inserted into the database table.
      * @param db The {@link SQLiteDatabase} to insert into.