content: /*
   * Copyright (C) 2016 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.permissionpresenterservice;
  
  import static com.android.internal.util.Preconditions.checkNotNull;
  import static com.android.internal.util.function.pooled.PooledLambda.obtainMessage;
  
  import android.annotation.NonNull;
  import android.annotation.SystemApi;
  import android.app.Service;
  import android.content.Context;
  import android.content.Intent;
  import android.content.pm.permission.IRuntimePermissionPresenter;
  import android.content.pm.permission.RuntimePermissionPresentationInfo;
  import android.os.Bundle;
  import android.os.Handler;
  import android.os.IBinder;
  import android.os.RemoteCallback;
  import android.permission.PermissionControllerService;
  
  import java.util.List;
  
  /**
   * This service presents information regarding runtime permissions that is
   * used for presenting them in the UI. Runtime permissions are presented as
   * a single permission in the UI but may be composed of several individual
   * permissions.
   *
   * @see RuntimePermissionPresentationInfo
   *
   * @hide
   *
   * @deprecated use {@link PermissionControllerService} instead
   */
  @Deprecated
  @SystemApi
  public abstract class RuntimePermissionPresenterService extends Service {
  
      /**
       * The {@link Intent} action that must be declared as handled by a service
       * in its manifest for the system to recognize it as a runtime permission
       * presenter service.
       */
      public static final String SERVICE_INTERFACE =
              "android.permissionpresenterservice.RuntimePermissionPresenterService";
  
      private static final String KEY_RESULT =
              "android.content.pm.permission.RuntimePermissionPresenter.key.result";
  
      // No need for locking - always set first and never modified
      private Handler mHandler;
  
      @Override
      public final void attachBaseContext(Context base) {
          super.attachBaseContext(base);
          mHandler = new Handler(base.getMainLooper());
      }
  
      /**
       * Gets the runtime permissions for an app.
       *
       * @param packageName The package for which to query.
       */
      public abstract List<RuntimePermissionPresentationInfo> onGetAppPermissions(
              @NonNull String packageName);
  
      @Override
      public final IBinder onBind(Intent intent) {
          return new IRuntimePermissionPresenter.Stub() {
              @Override
              public void getAppPermissions(String packageName, RemoteCallback callback) {
                  checkNotNull(packageName, "packageName");
                  checkNotNull(callback, "callback");
  
                  mHandler.sendMessage(
                          obtainMessage(RuntimePermissionPresenterService::getAppPermissions,
                                  RuntimePermissionPresenterService.this, packageName, callback));
              }
          };
      }
  
      private void getAppPermissions(@NonNull String packageName, @NonNull RemoteCallback callback) {
          List<RuntimePermissionPresentationInfo> permissions = onGetAppPermissions(packageName);
          if (permissions != null && !permissions.isEmpty()) {
              Bundle result = new Bundle();
              result.putParcelableList(KEY_RESULT, permissions);
              callback.sendResult(result);
          } else {
              callback.sendResult(null);
          }
      }
  }
  