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 {
39             (!controller.isKeyguardShowing || !it.isRestricted) &&
40                 (controller.isUserSwitcherEnabled || it.isCurrent)
41         }
42 
43     init {
44         controller.addAdapter(WeakReference(this))
45     }
46 
getCountnull47     override fun getCount(): Int {
48         return users.size
49     }
50 
getItemnull51     override fun getItem(position: Int): UserRecord {
52         return users[position]
53     }
54 
getItemIdnull55     override fun getItemId(position: Int): Long {
56         return position.toLong()
57     }
58 
59     /**
60      * Notifies that a user item in the UI has been clicked.
61      *
62      * If the user switcher is hosted in a dialog, passing a non-null [dialogShower] will allow
63      * animation to and from the parent dialog.
64      */
65     @JvmOverloads
onUserListItemClickednull66     fun onUserListItemClicked(
67         record: UserRecord,
68         dialogShower: DialogShower? = null,
69     ) {
70         controller.onUserListItemClicked(record, dialogShower)
71     }
72 
getNamenull73     open fun getName(context: Context, item: UserRecord): String {
74         return getName(context, item, false)
75     }
76 
77     /** Returns the name for the given {@link UserRecord}. */
getNamenull78     open fun getName(context: Context, item: UserRecord, isTablet: Boolean): String {
79         return getUserRecordName(
80             context = context,
81             record = item,
82             isGuestUserAutoCreated = controller.isGuestUserAutoCreated,
83             isGuestUserResetting = controller.isGuestUserResetting,
84             isTablet = isTablet,
85         )
86     }
87 
refreshnull88     fun refresh() {
89         controller.refreshUsers()
90     }
91 
92     companion object {
93         @JvmStatic
<lambda>null94         protected val disabledUserAvatarColorFilter: ColorFilter by lazy {
95             val matrix = ColorMatrix()
96             matrix.setSaturation(0f) // 0 - grayscale
97             ColorMatrixColorFilter(matrix)
98         }
99 
100         @JvmStatic
101         @JvmOverloads
getIconDrawablenull102         protected fun getIconDrawable(
103             context: Context,
104             item: UserRecord,
105             isTablet: Boolean = false,
106         ): Drawable {
107             val iconRes =
108                 getUserSwitcherActionIconResourceId(
109                     item.isAddUser,
110                     item.isGuest,
111                     item.isAddSupervisedUser,
112                     isTablet,
113                     item.isManageUsers,
114                 )
115             return checkNotNull(context.getDrawable(iconRes))
116         }
117     }
118 }
119