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 android.content.pm;
  
  import static android.content.pm.SharedLibraryNames.ANDROID_HIDL_BASE;
  import static android.content.pm.SharedLibraryNames.ANDROID_HIDL_MANAGER;
  
  import android.content.pm.PackageParser.Package;
  import android.os.Build;
  
  import com.android.internal.annotations.VisibleForTesting;
  
  /**
   * Updates a package to ensure that if it targets <= P that the android.hidl.base-V1.0-java
   * and android.hidl.manager-V1.0-java libraries are included by default.
   *
   * @hide
   */
  @VisibleForTesting
  public class AndroidHidlUpdater extends PackageSharedLibraryUpdater {
  
      @Override
      public void updatePackage(Package pkg) {
          ApplicationInfo info = pkg.applicationInfo;
  
          // This was the default <= P and is maintained for backwards compatibility.
          boolean isLegacy = info.targetSdkVersion <= Build.VERSION_CODES.P;
          // Only system apps use these libraries
          boolean isSystem = info.isSystemApp() || info.isUpdatedSystemApp();
  
          if (isLegacy && isSystem) {
              prefixRequiredLibrary(pkg, ANDROID_HIDL_BASE);
              prefixRequiredLibrary(pkg, ANDROID_HIDL_MANAGER);
          } else {
              removeLibrary(pkg, ANDROID_HIDL_BASE);
              removeLibrary(pkg, ANDROID_HIDL_MANAGER);
          }
      }
  }
  