content: /*
   * Copyright 2020 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 com.google.android.exoplayer2;
  
  import static java.lang.annotation.ElementType.TYPE_USE;
  
  import android.os.Bundle;
  import androidx.annotation.IntDef;
  import androidx.annotation.Nullable;
  import com.google.android.exoplayer2.util.Util;
  import java.lang.annotation.Documented;
  import java.lang.annotation.Retention;
  import java.lang.annotation.RetentionPolicy;
  import java.lang.annotation.Target;
  
  /** Information about the playback device. */
  public final class DeviceInfo implements Bundleable {
  
    /** Types of playback. One of {@link #PLAYBACK_TYPE_LOCAL} or {@link #PLAYBACK_TYPE_REMOTE}. */
    @Documented
    @Retention(RetentionPolicy.SOURCE)
    @Target(TYPE_USE)
    @IntDef({
      PLAYBACK_TYPE_LOCAL,
      PLAYBACK_TYPE_REMOTE,
    })
    public @interface PlaybackType {}
    /** Playback happens on the local device (e.g. phone). */
    public static final int PLAYBACK_TYPE_LOCAL = 0;
    /** Playback happens outside of the device (e.g. a cast device). */
    public static final int PLAYBACK_TYPE_REMOTE = 1;
  
    /** Unknown DeviceInfo. */
    public static final DeviceInfo UNKNOWN =
        new DeviceInfo(PLAYBACK_TYPE_LOCAL, /* minVolume= */ 0, /* maxVolume= */ 0);
  
    /** The type of playback. */
    public final @PlaybackType int playbackType;
    /** The minimum volume that the device supports. */
    public final int minVolume;
    /** The maximum volume that the device supports. */
    public final int maxVolume;
  
    /** Creates device information. */
    public DeviceInfo(@PlaybackType int playbackType, int minVolume, int maxVolume) {
      this.playbackType = playbackType;
      this.minVolume = minVolume;
      this.maxVolume = maxVolume;
    }
  
    @Override
    public boolean equals(@Nullable Object obj) {
      if (this == obj) {
        return true;
      }
      if (!(obj instanceof DeviceInfo)) {
        return false;
      }
      DeviceInfo other = (DeviceInfo) obj;
      return playbackType == other.playbackType
          && minVolume == other.minVolume
          && maxVolume == other.maxVolume;
    }
  
    @Override
    public int hashCode() {
      int result = 17;
      result = 31 * result + playbackType;
      result = 31 * result + minVolume;
      result = 31 * result + maxVolume;
      return result;
    }
  
    // Bundleable implementation.
  
    private static final String FIELD_PLAYBACK_TYPE = Util.intToStringMaxRadix(0);
    private static final String FIELD_MIN_VOLUME = Util.intToStringMaxRadix(1);
    private static final String FIELD_MAX_VOLUME = Util.intToStringMaxRadix(2);
  
    @Override
    public Bundle toBundle() {
      Bundle bundle = new Bundle();
      bundle.putInt(FIELD_PLAYBACK_TYPE, playbackType);
      bundle.putInt(FIELD_MIN_VOLUME, minVolume);
      bundle.putInt(FIELD_MAX_VOLUME, maxVolume);
      return bundle;
    }
  
    /** Object that can restore {@link DeviceInfo} from a {@link Bundle}. */
    public static final Creator<DeviceInfo> CREATOR =
        bundle -> {
          int playbackType =
              bundle.getInt(FIELD_PLAYBACK_TYPE, /* defaultValue= */ PLAYBACK_TYPE_LOCAL);
          int minVolume = bundle.getInt(FIELD_MIN_VOLUME, /* defaultValue= */ 0);
          int maxVolume = bundle.getInt(FIELD_MAX_VOLUME, /* defaultValue= */ 0);
          return new DeviceInfo(playbackType, minVolume, maxVolume);
        };
  }
  