| /* |
| * Copyright (C) 2019 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.permissioncontroller.permission.data |
| |
| import android.annotation.SuppressLint |
| import android.content.BroadcastReceiver |
| import android.content.Context |
| import android.content.Intent |
| import android.content.IntentFilter |
| import android.os.UserHandle |
| import android.os.UserManager |
| |
| import com.android.permissioncontroller.PermissionControllerApplication |
| |
| /** |
| * Live data of the users of the current profile group. |
| * |
| * |
| * Data source: system server |
| */ |
| object UsersLiveData : SmartUpdateMediatorLiveData<List<UserHandle>>() { |
| |
| @SuppressLint("StaticFieldLeak") |
| private val app = PermissionControllerApplication.get() |
| |
| /** Monitors changes to the users on this device */ |
| private val mUserMonitor = object : BroadcastReceiver() { |
| override fun onReceive(context: Context, intent: Intent) { |
| onUpdate() |
| } |
| } |
| |
| /** |
| * Update the encapsulated data with the current list of users. |
| */ |
| override fun onUpdate() { |
| value = app.getSystemService(UserManager::class.java)!!.userProfiles |
| } |
| |
| override fun onActive() { |
| onUpdate() |
| |
| val userChangeFilter = IntentFilter() |
| userChangeFilter.addAction(Intent.ACTION_USER_ADDED) |
| userChangeFilter.addAction(Intent.ACTION_USER_REMOVED) |
| |
| app.registerReceiver(mUserMonitor, userChangeFilter) |
| |
| super.onActive() |
| } |
| |
| override fun onInactive() { |
| app.unregisterReceiver(mUserMonitor) |
| super.onInactive() |
| } |
| } |