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.systemui.controls.management
18 
19 import android.content.Context
20 import android.util.AttributeSet
21 import android.view.View
22 import com.android.systemui.qs.PageIndicator
23 
24 /**
25  * Page indicator for management screens.
26  *
27  * Adds RTL support to [PageIndicator]. To be used with [ViewPager2].
28  */
29 class ManagementPageIndicator(
30     context: Context,
31     attrs: AttributeSet
32 ) : PageIndicator(context, attrs) {
33 
setLocationnull34     override fun setLocation(location: Float) {
35         // Location doesn't know about RTL
36         if (layoutDirection == View.LAYOUT_DIRECTION_RTL) {
37             val numPages = childCount
38             super.setLocation(numPages - 1 - location)
39         } else {
40             super.setLocation(location)
41         }
42     }
43 
<lambda>null44     var visibilityListener: (Int) -> Unit = {}
45 
onVisibilityChangednull46     override fun onVisibilityChanged(changedView: View, visibility: Int) {
47         super.onVisibilityChanged(changedView, visibility)
48         if (changedView == this) {
49             visibilityListener(visibility)
50         }
51     }
52 }