1 /*
2  * Copyright (C) 2019 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.systemui.bubbles.animation;
18 
19 import androidx.dynamicanimation.animation.DynamicAnimation;
20 
21 /**
22  * End listener that removes itself from its animation when called for the first time. Useful since
23  * anonymous OnAnimationEndListener instances can't pass themselves to
24  * {@link DynamicAnimation#removeEndListener}, but can call through to this superclass
25  * implementation.
26  */
27 public class OneTimeEndListener implements DynamicAnimation.OnAnimationEndListener {
28 
29     @Override
onAnimationEnd(DynamicAnimation animation, boolean canceled, float value, float velocity)30     public void onAnimationEnd(DynamicAnimation animation, boolean canceled, float value,
31             float velocity) {
32         animation.removeEndListener(this);
33     }
34 }
35