1 /*
2  * Copyright (C) 2023 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.car.carlauncher.recents;
18 
19 import androidx.annotation.NonNull;
20 import androidx.recyclerview.widget.LinearLayoutManager;
21 import androidx.recyclerview.widget.RecyclerView;
22 
23 
24 /**
25  * Utility methods that are used by Recents classes.
26  */
27 public class RecentsUtils {
28     /**
29      * Checks if the items in the RecyclerView are arranged from right to left.
30      *
31      * @return true if the layout is right to left.
32      */
areItemsRightToLeft(@onNull RecyclerView recyclerView)33     public static boolean areItemsRightToLeft(@NonNull RecyclerView recyclerView) {
34         boolean isLayoutReversed = false;
35         if (recyclerView.getLayoutManager() instanceof LinearLayoutManager) {
36             isLayoutReversed = ((LinearLayoutManager) recyclerView.getLayoutManager())
37                     .getReverseLayout();
38         }
39         return recyclerView.isLayoutRtl() ^ isLayoutReversed;
40     }
41 }
42