1 /*
2  * Copyright (C) 2018 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 android.view.cts.util;
18 
19 /**
20  * Copy of com.android.internal.widget.ScrollBarUtils
21  */
22 public class ScrollBarUtils {
getThumbLength(int size, int thickness, int extent, int range)23     public static int getThumbLength(int size, int thickness, int extent, int range) {
24         // Avoid the tiny thumb.
25         final int minLength = thickness * 2;
26         int length = Math.round((float) size * extent / range);
27         if (length < minLength) {
28             length = minLength;
29         }
30         return length;
31     }
32 }
33