51 lines
2.3 KiB
Java
51 lines
2.3 KiB
Java
package com.google.android.material.transition;
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import android.animation.Animator;
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import android.animation.AnimatorListenerAdapter;
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import android.animation.ValueAnimator;
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import android.view.View;
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import android.view.ViewGroup;
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/* loaded from: classes.dex */
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public final class FadeThroughProvider implements VisibilityAnimatorProvider {
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static final float FADE_THROUGH_THRESHOLD = 0.35f;
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private float progressThreshold = FADE_THROUGH_THRESHOLD;
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public float getProgressThreshold() {
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return this.progressThreshold;
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}
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public void setProgressThreshold(float f) {
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this.progressThreshold = f;
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}
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@Override // com.google.android.material.transition.VisibilityAnimatorProvider
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public Animator createAppear(ViewGroup viewGroup, View view) {
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float alpha = view.getAlpha() == 0.0f ? 1.0f : view.getAlpha();
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return createFadeThroughAnimator(view, 0.0f, alpha, this.progressThreshold, 1.0f, alpha);
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}
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@Override // com.google.android.material.transition.VisibilityAnimatorProvider
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public Animator createDisappear(ViewGroup viewGroup, View view) {
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float alpha = view.getAlpha() == 0.0f ? 1.0f : view.getAlpha();
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return createFadeThroughAnimator(view, alpha, 0.0f, 0.0f, this.progressThreshold, alpha);
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}
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private static Animator createFadeThroughAnimator(final View view, final float f, final float f2, final float f3, final float f4, final float f5) {
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ValueAnimator ofFloat = ValueAnimator.ofFloat(0.0f, 1.0f);
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ofFloat.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() { // from class: com.google.android.material.transition.FadeThroughProvider.1
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@Override // android.animation.ValueAnimator.AnimatorUpdateListener
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public void onAnimationUpdate(ValueAnimator valueAnimator) {
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view.setAlpha(TransitionUtils.lerp(f, f2, f3, f4, ((Float) valueAnimator.getAnimatedValue()).floatValue()));
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}
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});
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ofFloat.addListener(new AnimatorListenerAdapter() { // from class: com.google.android.material.transition.FadeThroughProvider.2
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@Override // android.animation.AnimatorListenerAdapter, android.animation.Animator.AnimatorListener
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public void onAnimationEnd(Animator animator) {
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view.setAlpha(f5);
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}
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});
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return ofFloat;
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}
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}
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