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 com.google.android.exoplayer2;
  
  import static com.google.android.exoplayer2.util.Assertions.checkArgument;
  
  import android.os.Bundle;
  import androidx.annotation.FloatRange;
  import androidx.annotation.Nullable;
  import com.google.android.exoplayer2.util.Util;
  import com.google.common.base.Objects;
  
  /** A rating expressed as a percentage. */
  public final class PercentageRating extends Rating {
  
    private final float percent;
  
    /** Creates a unrated instance. */
    public PercentageRating() {
      percent = RATING_UNSET;
    }
  
    /**
     * Creates a rated instance with the given percentage.
     *
     * @param percent The percentage value of the rating.
     */
    public PercentageRating(@FloatRange(from = 0, to = 100) float percent) {
      checkArgument(percent >= 0.0f && percent <= 100.0f, "percent must be in the range of [0, 100]");
      this.percent = percent;
    }
  
    @Override
    public boolean isRated() {
      return percent != RATING_UNSET;
    }
  
    /**
     * Returns the percent value of this rating. Will be within the range {@code [0f, 100f]}, or
     * {@link #RATING_UNSET} if unrated.
     */
    public float getPercent() {
      return percent;
    }
  
    @Override
    public int hashCode() {
      return Objects.hashCode(percent);
    }
  
    @Override
    public boolean equals(@Nullable Object obj) {
      if (!(obj instanceof PercentageRating)) {
        return false;
      }
      return percent == ((PercentageRating) obj).percent;
    }
  
    // Bundleable implementation.
  
    private static final @RatingType int TYPE = RATING_TYPE_PERCENTAGE;
  
    private static final String FIELD_PERCENT = Util.intToStringMaxRadix(1);
  
    @Override
    public Bundle toBundle() {
      Bundle bundle = new Bundle();
      bundle.putInt(FIELD_RATING_TYPE, TYPE);
      bundle.putFloat(FIELD_PERCENT, percent);
      return bundle;
    }
  
    /** Object that can restore a {@link PercentageRating} from a {@link Bundle}. */
    public static final Creator<PercentageRating> CREATOR = PercentageRating::fromBundle;
  
    private static PercentageRating fromBundle(Bundle bundle) {
      checkArgument(bundle.getInt(FIELD_RATING_TYPE, /* defaultValue= */ RATING_TYPE_UNSET) == TYPE);
      float percent = bundle.getFloat(FIELD_PERCENT, /* defaultValue= */ RATING_UNSET);
      return percent == RATING_UNSET ? new PercentageRating() : new PercentageRating(percent);
    }
  }
  