1 /*
2  * Copyright (C) 2021 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.qs
18 
19 import android.view.animation.Interpolator
20 import javax.inject.Inject
21 import javax.inject.Singleton
22 
23 @Singleton
24 class QSExpansionPathInterpolator @Inject constructor() {
25 
26     private var pathInterpolatorBuilder = PathInterpolatorBuilder(0f, 0f, 0f, 1f)
27     private var lastX = 0f
28     val xInterpolator: Interpolator
29         get() = pathInterpolatorBuilder.xInterpolator
30 
31     val yInterpolator: Interpolator
32         get() = pathInterpolatorBuilder.yInterpolator
33 
setControlX2null34     fun setControlX2(value: Float) {
35         if (value != lastX) {
36             lastX = value
37             pathInterpolatorBuilder = PathInterpolatorBuilder(0f, 0f, lastX, 1f)
38         }
39     }
40 }