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/*
* Copyright (C) 2023 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.android.quickstep.util;
import static com.airbnb.lottie.LottieProperty.COLOR_FILTER;
import android.content.res.Resources.Theme;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffColorFilter;
import androidx.annotation.NonNull;
import com.airbnb.lottie.LottieAnimationView;
import com.airbnb.lottie.model.KeyPath;
import java.util.Map;
import java.util.function.Function;
import java.util.stream.Collectors;
/** Utility class for programmatically updating Lottie animation tokenized colors. */
public final class LottieAnimationColorUtils {
private LottieAnimationColorUtils() {}
/**
* Updates the given Lottie animation's tokenized colors according to the given mapping.
* <p>
* @param animationView {@link LottieAnimationView} whose animation's colors need to be updated
* @param tokenToArgbColorMap A mapping from the color tokens used in the Lottie file used in
* {@code animationView} to packed ARBG color integers.
*/
public static void updateToArgbColors(
@NonNull LottieAnimationView animationView,
@NonNull Map<String, Integer> tokenToArgbColorMap) {
animationView.addLottieOnCompositionLoadedListener(
composition -> tokenToArgbColorMap.forEach(
(token, color) -> animationView.addValueCallback(
new KeyPath("**", token, "**"),
COLOR_FILTER,
frameInfo -> new PorterDuffColorFilter(
color, PorterDuff.Mode.SRC_ATOP))));
}
/**
* Updates the given Lottie animation's tokenized colors according to the given mapping.
* <p>
* @param animationView {@link LottieAnimationView} whose animation's colors need to be updated
* @param tokenToColorResourceMap A mapping from the color tokens used in the Lottie file used
* in {@code animationView} to color resource references.
* @param theme {@link Theme} to be used when resolving color resource references.
*/
public static void updateToColorResources(
@NonNull LottieAnimationView animationView,
@NonNull Map<String, Integer> tokenToColorResourceMap,
@NonNull Theme theme) {
updateToArgbColors(
animationView,
tokenToColorResourceMap.keySet().stream().collect(Collectors.toMap(
Function.identity(),
token -> animationView.getResources().getColor(
tokenToColorResourceMap.get(token), theme))));
}
}
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