content: package com.android.certification.niap.permission.dpctester.comp;
  /*
   * Copyright (C) 2024 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.
   */
  import android.annotation.TargetApi;
  import android.app.Service;
  import android.app.admin.DevicePolicyManager;
  import android.content.ComponentName;
  import android.content.Context;
  import android.content.Intent;
  import android.content.ServiceConnection;
  import android.os.Build.VERSION_CODES;
  import android.os.IBinder;
  import android.os.RemoteException;
  import android.os.UserHandle;
  import android.util.Log;
  
  import com.android.certification.niap.permission.dpctester.receiver.DeviceAdminReceiver;
  
  /**
   * Helper class for {@link DevicePolicyManager#bindDeviceAdminServiceAsUser( ComponentName, Intent,
   * ServiceConnection, int, UserHandle)}.
   */
  @TargetApi(VERSION_CODES.O)
  public class BindDeviceAdminServiceHelper<T> {
      private static final String TAG = "BindDeviceAdminService";
  
      private final Context mContext;
      private final DevicePolicyManager mDpm;
      private final Intent mServiceIntent;
      private final UserHandle mTargetUserHandle;
      private final ServiceInterfaceConverter<T> mServiceInterfaceConverter;
  
      /**
       * @param context
       * @param serviceClass Which service we are going to bind with.
       * @param serviceInterfaceConverter Used to convert {@link IBinder} to service interface.
       * @param targetUserHandle Who we are talking to.
       */
      public BindDeviceAdminServiceHelper(
              Context context,
              Class<? extends Service> serviceClass,
              ServiceInterfaceConverter<T> serviceInterfaceConverter,
              UserHandle targetUserHandle) {
          mContext = context;
          mDpm = (DevicePolicyManager) context.getSystemService(Context.DEVICE_POLICY_SERVICE);
          mServiceInterfaceConverter = serviceInterfaceConverter;
          mServiceIntent = new Intent(context, serviceClass);
          mTargetUserHandle = targetUserHandle;
      }
  
      /**
       * Provide an easy way to run a one-off cross user call. You should run your service call in
       * {@link OnServiceConnectedListener#onServiceConnected(Object)}. Note that the listener is always
       * called in main thread, so if your service call is time consuming, please make sure you either
       * run it in worker thread or implement a callback mechanism.
       *
       * @param listener Called when service is connected.
       * @return Whether the binding is successful.
       */
      public boolean crossUserCall(OnServiceConnectedListener<T> listener) {
          final ServiceConnection serviceConnection =
                  new ServiceConnection() {
                      @Override
                      public void onServiceConnected(ComponentName componentName, IBinder iBinder) {
                          Log.d(TAG, "onServiceConnected() called");
                          T service = mServiceInterfaceConverter.convert(iBinder);
                          try {
                              listener.onServiceConnected(service);
                          } catch (RemoteException e) {
                              Log.e(TAG, "onServiceConnected: ", e);
                          } finally {
                              mContext.unbindService(this);
                          }
                      }
  
                      @Override
                      public void onServiceDisconnected(ComponentName componentName) {
                          Log.e(TAG, "onServiceDisconnected() called");
                          mContext.unbindService(this);
                      }
                  };
          try {
              return mDpm.bindDeviceAdminServiceAsUser(
                      DeviceAdminReceiver.getComponentName(mContext),
                      mServiceIntent,
                      serviceConnection,
                      Context.BIND_AUTO_CREATE,
                      mTargetUserHandle);
          } catch (SecurityException | IllegalArgumentException e) {
              Log.e(TAG, "Cannot bind to user " + mTargetUserHandle, e);
              return false;
          }
      }
  }
  