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/*
* 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 com.android.quickstep.util;
import android.animation.AnimatorSet;
import android.view.RemoteAnimationTarget;
public abstract class RemoteAnimationProvider {
public abstract AnimatorSet createWindowAnimation(RemoteAnimationTarget[] appTargets,
RemoteAnimationTarget[] wallpaperTargets);
/**
* @return the target with the lowest opaque layer for a certain app animation, or null.
*/
public static RemoteAnimationTarget findLowestOpaqueLayerTarget(
RemoteAnimationTarget[] appTargets, int mode) {
int lowestLayer = Integer.MAX_VALUE;
int lowestLayerIndex = -1;
for (int i = appTargets.length - 1; i >= 0; i--) {
RemoteAnimationTarget target = appTargets[i];
if (target.mode == mode && !target.isTranslucent) {
int layer = target.prefixOrderIndex;
if (layer < lowestLayer) {
lowestLayer = layer;
lowestLayerIndex = i;
}
}
}
return lowestLayerIndex != -1
? appTargets[lowestLayerIndex]
: null;
}
}
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