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.app.contentsuggestions;
  
  import android.annotation.NonNull;
  import android.annotation.Nullable;
  import android.annotation.SystemApi;
  import android.os.Bundle;
  import android.os.Parcel;
  import android.os.Parcelable;
  
  import java.util.List;
  
  /**
   * Request object used when asking {@link ContentSuggestionsManager} to classify content selections.
   *
   * <p>The request contains a list of {@link ContentSelection} objects to be classified along with
   * implementation specific extras.
   *
   * @hide
   */
  @SystemApi
  public final class ClassificationsRequest implements Parcelable {
      @NonNull
      private final List<ContentSelection> mSelections;
      @Nullable
      private final Bundle mExtras;
  
      private ClassificationsRequest(@NonNull List<ContentSelection> selections,
              @Nullable Bundle extras) {
          mSelections = selections;
          mExtras = extras;
      }
  
      /**
       * Return request selections.
       */
      public @NonNull List<ContentSelection> getSelections() {
          return mSelections;
      }
  
      /**
       * Return the request extras, can be an empty bundle.
       */
      public @NonNull Bundle getExtras() {
          return mExtras == null ? new Bundle() : mExtras;
      }
  
      @Override
      public int describeContents() {
          return 0;
      }
  
      @Override
      public void writeToParcel(Parcel dest, int flags) {
          dest.writeTypedList(mSelections);
          dest.writeBundle(mExtras);
      }
  
      public static final @android.annotation.NonNull Creator<ClassificationsRequest> CREATOR =
              new Creator<ClassificationsRequest>() {
          @Override
          public ClassificationsRequest createFromParcel(Parcel source) {
              return new ClassificationsRequest(
                      source.createTypedArrayList(ContentSelection.CREATOR),
                      source.readBundle());
          }
  
          @Override
          public ClassificationsRequest[] newArray(int size) {
              return new ClassificationsRequest[size];
          }
      };
  
      /**
       * A builder for classifications request events.
       * @hide
       */
      @SystemApi
      public static final class Builder {
  
          private final List<ContentSelection> mSelections;
          private Bundle mExtras;
  
          public Builder(@NonNull List<ContentSelection> selections) {
              mSelections = selections;
          }
  
          /**
           * Sets the request extras.
           */
          public @NonNull Builder setExtras(@NonNull Bundle extras) {
              mExtras = extras;
              return this;
          }
  
          /**
           * Builds a new request instance.
           */
          public @NonNull ClassificationsRequest build() {
              return new ClassificationsRequest(mSelections, mExtras);
          }
      }
  }
  