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1 /*
2  * Copyright (C) 2022 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.statusbar.policy
18 
19 import android.content.Context
20 import android.graphics.ColorFilter
21 import android.graphics.ColorMatrix
22 import android.graphics.ColorMatrixColorFilter
23 import android.graphics.drawable.Drawable
24 import android.widget.BaseAdapter
25 import com.android.systemui.qs.user.UserSwitchDialogController.DialogShower
26 import com.android.systemui.user.data.source.UserRecord
27 import com.android.systemui.user.legacyhelper.ui.LegacyUserUiHelper.getUserRecordName
28 import com.android.systemui.user.legacyhelper.ui.LegacyUserUiHelper.getUserSwitcherActionIconResourceId
29 import java.lang.ref.WeakReference
30 
31 /** Provides views for user switcher experiences. */
32 abstract class BaseUserSwitcherAdapter
33 protected constructor(
34     protected val controller: UserSwitcherController,
35 ) : BaseAdapter() {
36 
37     protected open val users: List<UserRecord>
<lambda>null38         get() = controller.users.filter { !controller.isKeyguardShowing || !it.isRestricted }
39 
40     init {
41         controller.addAdapter(WeakReference(this))
42     }
43 
getCountnull44     override fun getCount(): Int {
45         return users.size
46     }
47 
getItemnull48     override fun getItem(position: Int): UserRecord {
49         return users[position]
50     }
51 
getItemIdnull52     override fun getItemId(position: Int): Long {
53         return position.toLong()
54     }
55 
56     /**
57      * Notifies that a user item in the UI has been clicked.
58      *
59      * If the user switcher is hosted in a dialog, passing a non-null [dialogShower] will allow
60      * animation to and from the parent dialog.
61      */
62     @JvmOverloads
onUserListItemClickednull63     fun onUserListItemClicked(
64         record: UserRecord,
65         dialogShower: DialogShower? = null,
66     ) {
67         controller.onUserListItemClicked(record, dialogShower)
68     }
69 
getNamenull70     open fun getName(context: Context, item: UserRecord): String {
71         return getName(context, item, false)
72     }
73 
74     /** Returns the name for the given {@link UserRecord}. */
getNamenull75     open fun getName(context: Context, item: UserRecord, isTablet: Boolean): String {
76         return getUserRecordName(
77             context = context,
78             record = item,
79             isGuestUserAutoCreated = controller.isGuestUserAutoCreated,
80             isGuestUserResetting = controller.isGuestUserResetting,
81             isTablet = isTablet,
82         )
83     }
84 
refreshnull85     fun refresh() {
86         controller.refreshUsers()
87     }
88 
89     companion object {
90         @JvmStatic
<lambda>null91         protected val disabledUserAvatarColorFilter: ColorFilter by lazy {
92             val matrix = ColorMatrix()
93             matrix.setSaturation(0f) // 0 - grayscale
94             ColorMatrixColorFilter(matrix)
95         }
96 
97         @JvmStatic
98         @JvmOverloads
getIconDrawablenull99         protected fun getIconDrawable(
100             context: Context,
101             item: UserRecord,
102             isTablet: Boolean = false,
103         ): Drawable {
104             val iconRes =
105                 getUserSwitcherActionIconResourceId(
106                     item.isAddUser,
107                     item.isGuest,
108                     item.isAddSupervisedUser,
109                     isTablet,
110                     item.isManageUsers,
111                 )
112             return checkNotNull(context.getDrawable(iconRes))
113         }
114     }
115 }
116