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 android.webkit;
  
  import android.content.Context;
  import android.content.pm.ApplicationInfo;
  import android.content.pm.PackageInfo;
  import android.content.pm.PackageManager.NameNotFoundException;
  import android.content.pm.UserInfo;
  import android.os.Build;
  import android.os.UserManager;
  
  import java.util.ArrayList;
  import java.util.List;
  
  /**
   * Utility class for storing a (user,PackageInfo) mapping.
   * @hide
   */
  public class UserPackage {
      private final UserInfo mUserInfo;
      private final PackageInfo mPackageInfo;
  
      public static final int MINIMUM_SUPPORTED_SDK = Build.VERSION_CODES.Q;
  
      public UserPackage(UserInfo user, PackageInfo packageInfo) {
          this.mUserInfo = user;
          this.mPackageInfo = packageInfo;
      }
  
      /**
       * Returns a list of (User,PackageInfo) pairs corresponding to the PackageInfos for all
       * device users for the package named {@param packageName}.
       */
      public static List<UserPackage> getPackageInfosAllUsers(Context context,
              String packageName, int packageFlags) {
          List<UserInfo> users = getAllUsers(context);
          List<UserPackage> userPackages = new ArrayList<UserPackage>(users.size());
          for (UserInfo user : users) {
              PackageInfo packageInfo = null;
              try {
                  packageInfo = context.getPackageManager().getPackageInfoAsUser(
                          packageName, packageFlags, user.id);
              } catch (NameNotFoundException e) {
              }
              userPackages.add(new UserPackage(user, packageInfo));
          }
          return userPackages;
      }
  
      /**
       * Returns whether the given package is enabled.
       * This state can be changed by the user from Settings->Apps
       */
      public boolean isEnabledPackage() {
          if (mPackageInfo == null) return false;
          return mPackageInfo.applicationInfo.enabled;
      }
  
      /**
       * Return {@code true} if the package is installed and not hidden
       */
      public boolean isInstalledPackage() {
          if (mPackageInfo == null) return false;
          return (((mPackageInfo.applicationInfo.flags & ApplicationInfo.FLAG_INSTALLED) != 0)
              && ((mPackageInfo.applicationInfo.privateFlags
                          & ApplicationInfo.PRIVATE_FLAG_HIDDEN) == 0));
      }
  
      /**
       * Returns whether the package represented by {@param packageInfo} targets a sdk version
       * supported by the current framework version.
       */
      public static boolean hasCorrectTargetSdkVersion(PackageInfo packageInfo) {
          return packageInfo.applicationInfo.targetSdkVersion >= MINIMUM_SUPPORTED_SDK;
      }
  
      public UserInfo getUserInfo() {
          return mUserInfo;
      }
  
      public PackageInfo getPackageInfo() {
          return mPackageInfo;
      }
  
  
      private static List<UserInfo> getAllUsers(Context context) {
          UserManager userManager = (UserManager) context.getSystemService(Context.USER_SERVICE);
          return userManager.getUsers(false);
      }
  
  }
  