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.hardware.radio;
  
  import android.annotation.IntDef;
  import android.annotation.NonNull;
  import android.annotation.SystemApi;
  import android.os.Parcel;
  import android.os.Parcelable;
  
  import java.lang.annotation.Retention;
  import java.lang.annotation.RetentionPolicy;
  import java.util.Collection;
  import java.util.Map;
  import java.util.Objects;
  
  /**
   * @hide
   */
  @SystemApi
  public final class Announcement implements Parcelable {
  
      /** DAB alarm, RDS emergency program type (PTY 31). */
      public static final int TYPE_EMERGENCY = 1;
      /** DAB warning. */
      public static final int TYPE_WARNING = 2;
      /** DAB road traffic, RDS TA, HD Radio transportation. */
      public static final int TYPE_TRAFFIC = 3;
      /** Weather. */
      public static final int TYPE_WEATHER = 4;
      /** News. */
      public static final int TYPE_NEWS = 5;
      /** DAB event, special event. */
      public static final int TYPE_EVENT = 6;
      /** DAB sport report, RDS sports. */
      public static final int TYPE_SPORT = 7;
      /** All others. */
      public static final int TYPE_MISC = 8;
      /** @hide */
      @IntDef(prefix = { "TYPE_" }, value = {
          TYPE_EMERGENCY,
          TYPE_WARNING,
          TYPE_TRAFFIC,
          TYPE_WEATHER,
          TYPE_NEWS,
          TYPE_EVENT,
          TYPE_SPORT,
          TYPE_MISC,
      })
      @Retention(RetentionPolicy.SOURCE)
      public @interface Type {}
  
      /**
       * Listener of announcement list events.
       */
      public interface OnListUpdatedListener {
          /**
           * An event called whenever a list of active announcements change.
           *
           * The entire list is sent each time a new announcement appears or any ends broadcasting.
           *
           * @param activeAnnouncements a full list of active announcements
           */
          void onListUpdated(Collection<Announcement> activeAnnouncements);
      }
  
      @NonNull private final ProgramSelector mSelector;
      @Type private final int mType;
      @NonNull private final Map<String, String> mVendorInfo;
  
      /** @hide */
      public Announcement(@NonNull ProgramSelector selector, @Type int type,
              @NonNull Map<String, String> vendorInfo) {
          mSelector = Objects.requireNonNull(selector);
          mType = Objects.requireNonNull(type);
          mVendorInfo = Objects.requireNonNull(vendorInfo);
      }
  
      private Announcement(@NonNull Parcel in) {
          mSelector = in.readTypedObject(ProgramSelector.CREATOR);
          mType = in.readInt();
          mVendorInfo = Utils.readStringMap(in);
      }
  
      @Override
      public void writeToParcel(Parcel dest, int flags) {
          dest.writeTypedObject(mSelector, 0);
          dest.writeInt(mType);
          Utils.writeStringMap(dest, mVendorInfo);
      }
  
      @Override
      public int describeContents() {
          return 0;
      }
  
      public static final @android.annotation.NonNull Parcelable.Creator<Announcement> CREATOR =
              new Parcelable.Creator<Announcement>() {
          public Announcement createFromParcel(Parcel in) {
              return new Announcement(in);
          }
  
          public Announcement[] newArray(int size) {
              return new Announcement[size];
          }
      };
  
      public @NonNull ProgramSelector getSelector() {
          return mSelector;
      }
  
      public @Type int getType() {
          return mType;
      }
  
      public @NonNull Map<String, String> getVendorInfo() {
          return mVendorInfo;
      }
  }
  