content: /*
   * Copyright (C) 2018 The Android Open Source Project
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package com.android.launcher3.util;
  
  import static android.database.sqlite.SQLiteDatabase.NO_LOCALIZED_COLLATORS;
  
  import android.content.Context;
  import android.content.ContextWrapper;
  import android.database.DatabaseErrorHandler;
  import android.database.sqlite.SQLiteDatabase;
  import android.database.sqlite.SQLiteDatabase.CursorFactory;
  import android.database.sqlite.SQLiteDatabase.OpenParams;
  import android.database.sqlite.SQLiteOpenHelper;
  import android.os.Build;
  
  /**
   * Extension of {@link SQLiteOpenHelper} which avoids creating default locale table by
   * A context wrapper which creates databases without support for localized collators.
   */
  public abstract class NoLocaleSQLiteHelper extends SQLiteOpenHelper {
  
      private static final boolean ATLEAST_P =
              Build.VERSION.SDK_INT >= Build.VERSION_CODES.P;
  
      public NoLocaleSQLiteHelper(Context context, String name, int version) {
          super(ATLEAST_P ? context : new NoLocalContext(context), name, null, version);
          if (ATLEAST_P) {
              setOpenParams(new OpenParams.Builder().addOpenFlags(NO_LOCALIZED_COLLATORS).build());
          }
      }
  
      private static class NoLocalContext extends ContextWrapper {
          public NoLocalContext(Context base) {
              super(base);
          }
  
          @Override
          public SQLiteDatabase openOrCreateDatabase(
                  String name, int mode, CursorFactory factory, DatabaseErrorHandler errorHandler) {
              return super.openOrCreateDatabase(
                      name, mode | Context.MODE_NO_LOCALIZED_COLLATORS, factory, errorHandler);
          }
      }
  }
  