content: /*
   * Copyright (C) 2017 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.example.android.autofill.service.settings;
  
  import android.content.Context;
  import android.content.SharedPreferences;
  import android.service.autofill.Dataset;
  import android.service.autofill.FillResponse;
  import android.support.annotation.NonNull;
  
  import com.example.android.autofill.service.util.Util;
  
  public class MyPreferences {
      private static final String RESPONSE_AUTH_KEY = "response_auth";
      private static final String DATASET_AUTH_KEY = "dataset_auth";
      private static final String MASTER_PASSWORD_KEY = "master_password";
      private static final String LOGGING_LEVEL = "logging_level";
      private static final String DAL_CHECK_REQUIRED = "dal_check_required";
      private static final String NUMBER_DATASETS = "number_datasets";
      private static MyPreferences sInstance;
      private final SharedPreferences mPrefs;
  
      private MyPreferences(Context context) {
          mPrefs = context.getApplicationContext().getSharedPreferences("my-settings",
                  Context.MODE_PRIVATE);
      }
  
      public static MyPreferences getInstance(Context context) {
          if (sInstance == null) {
              sInstance = new MyPreferences(context);
          }
          return sInstance;
      }
  
      /**
       * Gets whether {@link FillResponse}s should require authentication.
       */
      public boolean isResponseAuth() {
          return mPrefs.getBoolean(RESPONSE_AUTH_KEY, false);
      }
  
      /**
       * Enables/disables authentication for the entire autofill {@link FillResponse}.
       */
      public void setResponseAuth(boolean responseAuth) {
          mPrefs.edit().putBoolean(RESPONSE_AUTH_KEY, responseAuth).apply();
      }
  
      /**
       * Gets whether {@link Dataset}s should require authentication.
       */
      public boolean isDatasetAuth() {
          return mPrefs.getBoolean(DATASET_AUTH_KEY, false);
      }
  
      /**
       * Enables/disables authentication for individual autofill {@link Dataset}s.
       */
      public void setDatasetAuth(boolean datasetAuth) {
          mPrefs.edit().putBoolean(DATASET_AUTH_KEY, datasetAuth).apply();
      }
  
      /**
       * Gets autofill master username.
       */
      public String getMasterPassword() {
          return mPrefs.getString(MASTER_PASSWORD_KEY, null);
      }
  
      /**
       * Sets autofill master password.
       */
      public void setMasterPassword(@NonNull String masterPassword) {
          mPrefs.edit().putString(MASTER_PASSWORD_KEY, masterPassword).apply();
      }
  
      public void clearCredentials() {
          mPrefs.edit().remove(MASTER_PASSWORD_KEY).apply();
      }
  
      public Util.LogLevel getLoggingLevel() {
          return Util.LogLevel.values()[mPrefs.getInt(LOGGING_LEVEL, Util.LogLevel.Off.ordinal())];
      }
  
      public void setLoggingLevel(Util.LogLevel level) {
          mPrefs.edit().putInt(LOGGING_LEVEL, level.ordinal()).apply();
          Util.setLoggingLevel(level);
      }
  
      public Util.DalCheckRequirement getDalCheckRequirement() {
          return Util.DalCheckRequirement.values()[mPrefs.getInt(DAL_CHECK_REQUIRED,
                  Util.DalCheckRequirement.AllUrls.ordinal())];
      }
  
      public void setDalCheckRequired(Util.DalCheckRequirement level) {
          mPrefs.edit().putInt(DAL_CHECK_REQUIRED, level.ordinal()).apply();
      }
  
      public int getNumberDatasets(int defaultNumber) {
          return mPrefs.getInt(NUMBER_DATASETS, defaultNumber);
      }
  
      public void setNumberDatasets(int number) {
          mPrefs.edit().putInt(NUMBER_DATASETS, number).apply();
      }
  }
  