Evan Laird | 31ca547 | 2020-04-08 17:45:24 -0400 | [diff] [blame] | 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.settings |
| 18 | |
| 19 | import android.content.Context |
| 20 | import android.os.UserHandle |
| 21 | import com.android.systemui.broadcast.BroadcastDispatcher |
| 22 | import com.android.systemui.util.Assert |
| 23 | import javax.inject.Inject |
| 24 | import javax.inject.Singleton |
| 25 | |
| 26 | /** |
| 27 | * Tracks a reference to the context for the current user |
| 28 | */ |
| 29 | @Singleton |
| 30 | class CurrentUserContextTracker @Inject constructor( |
| 31 | private val sysuiContext: Context, |
| 32 | broadcastDispatcher: BroadcastDispatcher |
| 33 | ) { |
| 34 | private val userTracker: CurrentUserTracker |
| 35 | var currentUserContext: Context |
| 36 | |
| 37 | init { |
| 38 | userTracker = object : CurrentUserTracker(broadcastDispatcher) { |
| 39 | override fun onUserSwitched(newUserId: Int) { |
| 40 | handleUserSwitched(newUserId) |
| 41 | } |
| 42 | } |
| 43 | |
| 44 | currentUserContext = makeUserContext(userTracker.currentUserId) |
| 45 | } |
| 46 | |
| 47 | fun initialize() { |
| 48 | userTracker.startTracking() |
| 49 | } |
| 50 | |
| 51 | private fun handleUserSwitched(newUserId: Int) { |
| 52 | currentUserContext = makeUserContext(newUserId) |
| 53 | } |
| 54 | |
| 55 | private fun makeUserContext(uid: Int): Context { |
| 56 | Assert.isMainThread() |
| 57 | return sysuiContext.createContextAsUser( |
| 58 | UserHandle.getUserHandleForUid(userTracker.currentUserId), 0) |
| 59 | } |
| 60 | } |