1 /*
2  * Copyright (C) 2020 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.ui.recyclerview;
18 
19 import android.content.Context;
20 import android.util.AttributeSet;
21 import android.view.View;
22 import android.widget.FrameLayout;
23 
24 /**
25  * Container that contains the scrollbar and RecyclerView when scrollbar is enabled.
26  *
27  * This container is required to expose addViewInLayout such that the scrollbar and be added without
28  * triggering multiple invalidate and relayout calls.
29  */
30 public class CarUiRecyclerViewContainer extends FrameLayout {
31 
CarUiRecyclerViewContainer(Context context)32     public CarUiRecyclerViewContainer(Context context) {
33         super(context);
34     }
35 
CarUiRecyclerViewContainer(Context context, AttributeSet attrs)36     public CarUiRecyclerViewContainer(Context context, AttributeSet attrs) {
37         super(context, attrs);
38     }
39 
CarUiRecyclerViewContainer(Context context, AttributeSet attrs, int defStyleAttr)40     public CarUiRecyclerViewContainer(Context context, AttributeSet attrs, int defStyleAttr) {
41         super(context, attrs, defStyleAttr);
42     }
43 
CarUiRecyclerViewContainer(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes)44     public CarUiRecyclerViewContainer(Context context, AttributeSet attrs, int defStyleAttr,
45             int defStyleRes) {
46         super(context, attrs, defStyleAttr, defStyleRes);
47     }
48 
49     /**
50      * Adds the recyclerview using addViewInLayout so that invalidate and relayout calls are not
51      * triggered.
52      */
addRecyclerView(View view, LayoutParams layoutParams)53     void addRecyclerView(View view, LayoutParams layoutParams) {
54         addViewInLayout(view, 0, layoutParams);
55     }
56 }
57