113 lines
3.3 KiB
Java
113 lines
3.3 KiB
Java
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/*
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* Copyright 2021 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.google.android.exoplayer2;
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import static com.google.android.exoplayer2.util.Assertions.checkArgument;
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import android.os.Bundle;
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import androidx.annotation.IntDef;
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import androidx.annotation.Nullable;
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import com.google.common.base.Objects;
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import java.lang.annotation.Documented;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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/** A rating expressed as "thumbs up" or "thumbs down". */
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public final class ThumbRating extends Rating {
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private final boolean rated;
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private final boolean isThumbsUp;
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/** Creates a unrated instance. */
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public ThumbRating() {
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rated = false;
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isThumbsUp = false;
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}
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/**
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* Creates a rated instance.
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*
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* @param isThumbsUp {@code true} for "thumbs up", {@code false} for "thumbs down".
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*/
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public ThumbRating(boolean isThumbsUp) {
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rated = true;
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this.isThumbsUp = isThumbsUp;
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}
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@Override
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public boolean isRated() {
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return rated;
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}
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/** Returns whether the rating is "thumbs up". */
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public boolean isThumbsUp() {
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return isThumbsUp;
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}
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@Override
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public int hashCode() {
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return Objects.hashCode(rated, isThumbsUp);
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}
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@Override
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public boolean equals(@Nullable Object obj) {
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if (!(obj instanceof ThumbRating)) {
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return false;
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}
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ThumbRating other = (ThumbRating) obj;
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return isThumbsUp == other.isThumbsUp && rated == other.rated;
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}
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// Bundleable implementation.
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@RatingType private static final int TYPE = RATING_TYPE_THUMB;
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@Documented
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@Retention(RetentionPolicy.SOURCE)
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@IntDef({FIELD_RATING_TYPE, FIELD_RATED, FIELD_IS_THUMBS_UP})
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private @interface FieldNumber {}
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private static final int FIELD_RATED = 1;
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private static final int FIELD_IS_THUMBS_UP = 2;
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@Override
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public Bundle toBundle() {
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Bundle bundle = new Bundle();
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bundle.putInt(keyForField(FIELD_RATING_TYPE), TYPE);
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bundle.putBoolean(keyForField(FIELD_RATED), rated);
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bundle.putBoolean(keyForField(FIELD_IS_THUMBS_UP), isThumbsUp);
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return bundle;
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}
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/** Object that can restore a {@link ThumbRating} from a {@link Bundle}. */
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public static final Creator<ThumbRating> CREATOR = ThumbRating::fromBundle;
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private static ThumbRating fromBundle(Bundle bundle) {
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checkArgument(
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bundle.getInt(keyForField(FIELD_RATING_TYPE), /* defaultValue= */ RATING_TYPE_DEFAULT)
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== TYPE);
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boolean rated = bundle.getBoolean(keyForField(FIELD_RATED), /* defaultValue= */ false);
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return rated
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? new ThumbRating(
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bundle.getBoolean(keyForField(FIELD_IS_THUMBS_UP), /* defaultValue= */ false))
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: new ThumbRating();
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}
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private static String keyForField(@FieldNumber int field) {
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return Integer.toString(field, Character.MAX_RADIX);
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}
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}
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