content: /*
   * Copyright 2021 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 androidx.car.app.sample.showcase.common.misc;
  
  import android.util.Log;
  
  import androidx.annotation.NonNull;
  import androidx.annotation.Nullable;
  import androidx.car.app.CarContext;
  import androidx.car.app.Screen;
  import androidx.car.app.hardware.CarHardwareManager;
  import androidx.car.app.hardware.common.CarValue;
  import androidx.car.app.hardware.common.OnCarDataAvailableListener;
  import androidx.car.app.hardware.info.CarInfo;
  import androidx.car.app.hardware.info.EnergyProfile;
  import androidx.car.app.hardware.info.Model;
  import androidx.car.app.model.Action;
  import androidx.car.app.model.Pane;
  import androidx.car.app.model.PaneTemplate;
  import androidx.car.app.model.Row;
  import androidx.car.app.model.Template;
  import androidx.car.app.sample.showcase.common.R;
  import androidx.core.content.ContextCompat;
  import androidx.lifecycle.DefaultLifecycleObserver;
  import androidx.lifecycle.Lifecycle;
  import androidx.lifecycle.LifecycleOwner;
  
  import java.util.concurrent.Executor;
  
  /**
   * Creates a screen that show the static information (such as model and energy profile) available
   * via CarHardware interfaces.
   */
  public final class CarHardwareInfoScreen extends Screen {
      private static final String TAG = "showcase";
  
      boolean mHasModelPermission;
      boolean mHasEnergyProfilePermission;
      final Executor mCarHardwareExecutor;
  
      /**
       * Value fetched from CarHardwareManager containing model information.
       *
       * <p>It is requested asynchronously and can be {@code null} until the response is
       * received.
       */
      @Nullable
      Model mModel;
  
      /**
       * Value fetched from CarHardwareManager containing what type of fuel/ports the car has.
       *
       * <p>It is requested asynchronously and can be {@code null} until the response is
       * received.
       */
      @Nullable
      EnergyProfile mEnergyProfile;
  
      OnCarDataAvailableListener<Model> mModelListener = data -> {
          synchronized (this) {
              Log.i(TAG, "Received model information: " + data);
              mModel = data;
              invalidate();
          }
      };
  
      OnCarDataAvailableListener<EnergyProfile> mEnergyProfileListener = data -> {
          synchronized (this) {
              Log.i(TAG, "Received energy profile information: " + data);
              mEnergyProfile = data;
              invalidate();
          }
      };
  
      public CarHardwareInfoScreen(@NonNull CarContext carContext) {
          super(carContext);
          mCarHardwareExecutor = ContextCompat.getMainExecutor(getCarContext());
          Lifecycle lifecycle = getLifecycle();
          lifecycle.addObserver(new DefaultLifecycleObserver() {
  
              @Override
              public void onCreate(@NonNull LifecycleOwner owner) {
                  CarHardwareManager carHardwareManager =
                          getCarContext().getCarService(CarHardwareManager.class);
                  CarInfo carInfo = carHardwareManager.getCarInfo();
  
                  // Request any single shot values.
                  mModel = null;
                  try {
                      carInfo.fetchModel(mCarHardwareExecutor, mModelListener);
                      mHasModelPermission = true;
                  } catch (SecurityException e) {
                      mHasModelPermission = false;
                  }
  
                  mEnergyProfile = null;
                  try {
                      carInfo.fetchEnergyProfile(mCarHardwareExecutor, mEnergyProfileListener);
                      mHasEnergyProfilePermission = true;
                  } catch (SecurityException e) {
                      mHasEnergyProfilePermission = false;
                  }
              }
  
          });
      }
  
      @NonNull
      @Override
      public Template onGetTemplate() {
          Pane.Builder paneBuilder = new Pane.Builder();
          if (allInfoAvailable()) {
              Row.Builder modelRowBuilder = new Row.Builder()
                      .setTitle(getCarContext().getString(R.string.model_info));
              if (!mHasModelPermission) {
                  modelRowBuilder.addText(getCarContext().getString(R.string.no_model_permission));
              } else {
                  StringBuilder info = new StringBuilder();
                  if (mModel.getManufacturer().getStatus() != CarValue.STATUS_SUCCESS) {
                      info.append(getCarContext().getString(R.string.manufacturer_unavailable));
                      info.append(", ");
                  } else {
                      info.append(mModel.getManufacturer().getValue());
                      info.append(", ");
                  }
                  if (mModel.getName().getStatus() != CarValue.STATUS_SUCCESS) {
                      info.append(getCarContext().getString(R.string.model_unavailable));
                      info.append(", ");
                  } else {
                      info.append(mModel.getName().getValue());
                      info.append(", ");
                  }
                  if (mModel.getYear().getStatus() != CarValue.STATUS_SUCCESS) {
                      info.append(getCarContext().getString(R.string.year_unavailable));
                  } else {
                      info.append(mModel.getYear().getValue());
                  }
                  modelRowBuilder.addText(info);
              }
              paneBuilder.addRow(modelRowBuilder.build());
  
              Row.Builder energyProfileRowBuilder = new Row.Builder()
                      .setTitle(getCarContext().getString(R.string.energy_profile));
              if (!mHasEnergyProfilePermission) {
                  energyProfileRowBuilder.addText(getCarContext()
                          .getString(R.string.no_energy_profile_permission));
              } else {
                  StringBuilder fuelInfo = new StringBuilder();
                  if (mEnergyProfile.getFuelTypes().getStatus() != CarValue.STATUS_SUCCESS) {
                      fuelInfo.append(getCarContext().getString(R.string.fuel_types));
                      fuelInfo.append(": ");
                      fuelInfo.append(getCarContext().getString(R.string.unavailable));
                  } else {
                      fuelInfo.append(getCarContext().getString(R.string.fuel_types));
                      fuelInfo.append(": ");
                      for (int fuelType : mEnergyProfile.getFuelTypes().getValue()) {
                          fuelInfo.append(fuelTypeAsString(fuelType));
                          fuelInfo.append(" ");
                      }
                  }
                  energyProfileRowBuilder.addText(fuelInfo);
                  StringBuilder evInfo = new StringBuilder();
                  if (mEnergyProfile.getEvConnectorTypes().getStatus() != CarValue.STATUS_SUCCESS) {
                      evInfo.append(" ");
                      evInfo.append(getCarContext().getString(R.string.ev_connector_types));
                      evInfo.append(": ");
                      evInfo.append(getCarContext().getString(R.string.unavailable));
                  } else {
                      evInfo.append(getCarContext().getString(R.string.ev_connector_types));
                      evInfo.append(": ");
                      for (int connectorType : mEnergyProfile.getEvConnectorTypes().getValue()) {
                          evInfo.append(evConnectorAsString(connectorType));
                          evInfo.append(" ");
                      }
                  }
                  energyProfileRowBuilder.addText(evInfo);
              }
              paneBuilder.addRow(energyProfileRowBuilder.build());
          } else {
              paneBuilder.setLoading(true);
          }
          return new PaneTemplate.Builder(paneBuilder.build())
                  .setHeaderAction(Action.BACK)
                  .setTitle(getCarContext().getString(R.string.car_hardware_info))
                  .build();
      }
  
      private boolean allInfoAvailable() {
          if (mHasModelPermission && mModel == null) {
              return false;
          }
          if (mHasEnergyProfilePermission && mEnergyProfile == null) {
              return false;
          }
          return true;
      }
  
      private String fuelTypeAsString(int fuelType) {
          switch (fuelType) {
              case EnergyProfile.FUEL_TYPE_UNLEADED:
                  return "UNLEADED";
              case EnergyProfile.FUEL_TYPE_LEADED:
                  return "LEADED";
              case EnergyProfile.FUEL_TYPE_DIESEL_1:
                  return "DIESEL_1";
              case EnergyProfile.FUEL_TYPE_DIESEL_2:
                  return "DIESEL_2";
              case EnergyProfile.FUEL_TYPE_BIODIESEL:
                  return "BIODIESEL";
              case EnergyProfile.FUEL_TYPE_E85:
                  return "E85";
              case EnergyProfile.FUEL_TYPE_LPG:
                  return "LPG";
              case EnergyProfile.FUEL_TYPE_CNG:
                  return "CNG";
              case EnergyProfile.FUEL_TYPE_LNG:
                  return "LNG";
              case EnergyProfile.FUEL_TYPE_ELECTRIC:
                  return "ELECTRIC";
              case EnergyProfile.FUEL_TYPE_HYDROGEN:
                  return "HYDROGEN";
              case EnergyProfile.FUEL_TYPE_OTHER:
                  return "OTHER";
              case EnergyProfile.FUEL_TYPE_UNKNOWN:
              default:
                  return "UNKNOWN";
          }
      }
  
      private String evConnectorAsString(int evConnectorType) {
          switch (evConnectorType) {
              case EnergyProfile.EVCONNECTOR_TYPE_J1772:
                  return "J1772";
              case EnergyProfile.EVCONNECTOR_TYPE_MENNEKES:
                  return "MENNEKES";
              case EnergyProfile.EVCONNECTOR_TYPE_CHADEMO:
                  return "CHADEMO";
              case EnergyProfile.EVCONNECTOR_TYPE_COMBO_1:
                  return "COMBO_1";
              case EnergyProfile.EVCONNECTOR_TYPE_COMBO_2:
                  return "COMBO_2";
              case EnergyProfile.EVCONNECTOR_TYPE_TESLA_ROADSTER:
                  return "TESLA_ROADSTER";
              case EnergyProfile.EVCONNECTOR_TYPE_TESLA_HPWC:
                  return "TESLA_HPWC";
              case EnergyProfile.EVCONNECTOR_TYPE_TESLA_SUPERCHARGER:
                  return "TESLA_SUPERCHARGER";
              case EnergyProfile.EVCONNECTOR_TYPE_GBT:
                  return "GBT";
              case EnergyProfile.EVCONNECTOR_TYPE_GBT_DC:
                  return "GBT_DC";
              case EnergyProfile.EVCONNECTOR_TYPE_SCAME:
                  return "SCAME";
              case EnergyProfile.EVCONNECTOR_TYPE_OTHER:
                  return "OTHER";
              case EnergyProfile.EVCONNECTOR_TYPE_UNKNOWN:
              default:
                  return "UNKNOWN";
          }
      }
  }
  