content: /*
   * Copyright (C) 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.navigation;
  
  import static androidx.car.app.CarToast.LENGTH_LONG;
  import static androidx.car.app.CarToast.LENGTH_SHORT;
  
  import android.text.SpannableString;
  
  import androidx.annotation.NonNull;
  import androidx.car.app.CarContext;
  import androidx.car.app.CarToast;
  import androidx.car.app.Screen;
  import androidx.car.app.constraints.ConstraintManager;
  import androidx.car.app.model.Action;
  import androidx.car.app.model.CarIcon;
  import androidx.car.app.model.CarText;
  import androidx.car.app.model.DurationSpan;
  import androidx.car.app.model.Header;
  import androidx.car.app.model.ItemList;
  import androidx.car.app.model.Row;
  import androidx.car.app.model.Template;
  import androidx.car.app.navigation.model.RoutePreviewNavigationTemplate;
  import androidx.car.app.sample.showcase.common.R;
  import androidx.car.app.sample.showcase.common.navigation.routing.RoutingDemoModels;
  import androidx.car.app.versioning.CarAppApiLevels;
  import androidx.core.graphics.drawable.IconCompat;
  
  import java.util.concurrent.TimeUnit;
  
  /** Creates a screen using the {@link RoutePreviewNavigationTemplate} */
  public final class RoutePreviewDemoScreen extends Screen {
      public RoutePreviewDemoScreen(@NonNull CarContext carContext) {
          super(carContext);
      }
  
      private boolean mIsFavorite = false;
  
      private CarText createRouteText(int index) {
          switch (index) {
              case 0:
                  // Set text variants for the first route.
                  SpannableString shortRouteLongText = new SpannableString(
                          "   \u00b7 ---------------- " + getCarContext().getString(
                                  R.string.short_route)
                                  + " -------------------");
                  shortRouteLongText.setSpan(DurationSpan.create(TimeUnit.HOURS.toSeconds(26)), 0, 1,
                          0);
                  SpannableString firstRouteShortText = new SpannableString(
                          "   \u00b7 " + getCarContext().getString(R.string.short_route));
                  firstRouteShortText.setSpan(DurationSpan.create(TimeUnit.HOURS.toSeconds(26)), 0, 1,
                          0);
                  return new CarText.Builder(shortRouteLongText)
                          .addVariant(firstRouteShortText)
                          .build();
              case 1:
                  SpannableString lessBusyRouteText =
                          new SpannableString(
                                  "   \u00b7 " + getCarContext().getString(R.string.less_busy));
                  lessBusyRouteText.setSpan(DurationSpan.create(TimeUnit.HOURS.toSeconds(24)), 0, 1,
                          0);
                  return new CarText.Builder(lessBusyRouteText).build();
              case 2:
                  SpannableString hovRouteText =
                          new SpannableString(
                                  "   \u00b7 " + getCarContext().getString(R.string.hov_friendly));
                  hovRouteText.setSpan(DurationSpan.create(TimeUnit.MINUTES.toSeconds(867)), 0, 1, 0);
                  return new CarText.Builder(hovRouteText).build();
              default:
                  SpannableString routeText =
                          new SpannableString(
                                  "   \u00b7 " + getCarContext().getString(R.string.long_route));
                  routeText.setSpan(DurationSpan.create(TimeUnit.MINUTES.toSeconds(867L + index)),
                          0, 1, 0);
                  return new CarText.Builder(routeText).build();
          }
      }
  
      private Row createRow(int index) {
          CarText route = createRouteText(index);
          String titleText = "Via NE " + (index + 4) + "th Street";
  
          return new Row.Builder()
                  .setTitle(route)
                  .addText(titleText)
                  .build();
      }
  
      @NonNull
      @Override
      public Template onGetTemplate() {
          int itemLimit = 3;
          // Adjust the item limit according to the car constrains.
          if (getCarContext().getCarAppApiLevel() > CarAppApiLevels.LEVEL_1) {
              itemLimit = getCarContext().getCarService(ConstraintManager.class).getContentLimit(
                      ConstraintManager.CONTENT_LIMIT_TYPE_ROUTE_LIST);
          }
  
          ItemList.Builder itemListBuilder = new ItemList.Builder()
                  .setOnSelectedListener(this::onRouteSelected)
                  .setOnItemsVisibilityChangedListener(this::onRoutesVisible);
  
          for (int i = 0; i < itemLimit; i++) {
              itemListBuilder.addItem(createRow(i));
          }
  
          // Set text variants for the navigate action text.
          CarText navigateActionText =
                  new CarText.Builder(getCarContext().getString(R.string.continue_start_nav))
                          .addVariant(getCarContext().getString(R.string.continue_route))
                          .build();
  
          Header header = new Header.Builder()
                  .setStartHeaderAction(Action.BACK)
                  .addEndHeaderAction(new Action.Builder()
                          .setIcon(
                                  new CarIcon.Builder(
                                          IconCompat.createWithResource(
                                                  getCarContext(),
                                                  mIsFavorite
                                                          ? R.drawable.ic_favorite_filled_white_24dp
                                                          : R.drawable.ic_favorite_white_24dp))
                                          .build())
                          .setOnClickListener(() -> {
                              CarToast.makeText(
                                              getCarContext(),
                                              mIsFavorite
                                                      ? getCarContext()
                                                      .getString(R.string.favorite_toast_msg)
                                                      : getCarContext().getString(
                                                              R.string.not_favorite_toast_msg),
                                              LENGTH_SHORT)
                                      .show();
                              mIsFavorite = !mIsFavorite;
                              invalidate();
                          })
                          .build())
                  .addEndHeaderAction(new Action.Builder()
                          .setOnClickListener(() -> finish())
                          .setIcon(
                                  new CarIcon.Builder(
                                          IconCompat.createWithResource(
                                                  getCarContext(),
                                                  R.drawable.ic_close_white_24dp))
                                          .build())
                          .build())
                  .setTitle(getCarContext().getString(R.string.route_preview_template_demo_title))
                  .build();
  
          return new RoutePreviewNavigationTemplate.Builder()
                  .setItemList(itemListBuilder.build())
                  .setNavigateAction(
                          new Action.Builder()
                                  .setTitle(navigateActionText)
                                  .setOnClickListener(this::onNavigate)
                                  .build())
                  .setMapActionStrip(RoutingDemoModels.getMapActionStrip(getCarContext()))
                  .setHeader(header)
                  .build();
      }
  
      private void onNavigate() {
          CarToast.makeText(getCarContext(),
                  getCarContext().getString(R.string.nav_requested_toast_msg),
                  LENGTH_LONG * 2).show();
      }
  
      private void onRouteSelected(int index) {
          CarToast.makeText(getCarContext(),
                  getCarContext().getString(R.string.selected_route_toast_msg) + ": " + index,
                  LENGTH_LONG).show();
      }
  
      private void onRoutesVisible(int startIndex, int endIndex) {
          CarToast.makeText(
                          getCarContext(),
                          getCarContext().getString(R.string.visible_routes_toast_msg)
                                  + ": [" + startIndex + "," + endIndex + "]",
                          LENGTH_LONG)
                  .show();
      }
  }
  