1 /* 2 * Copyright (C) 2024 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.car.systembar; 18 19 import android.content.BroadcastReceiver; 20 import android.content.Context; 21 import android.content.Intent; 22 import android.content.IntentFilter; 23 import android.content.pm.UserInfo; 24 import android.os.UserHandle; 25 import android.os.UserManager; 26 27 import com.android.systemui.broadcast.BroadcastDispatcher; 28 import com.android.systemui.car.systembar.element.CarSystemBarElementController; 29 import com.android.systemui.car.systembar.element.CarSystemBarElementStateController; 30 import com.android.systemui.car.systembar.element.CarSystemBarElementStatusBarDisableController; 31 import com.android.systemui.car.systembar.element.layout.CarSystemBarTextView; 32 import com.android.systemui.dagger.qualifiers.Main; 33 import com.android.systemui.settings.UserTracker; 34 35 import dagger.assisted.Assisted; 36 import dagger.assisted.AssistedFactory; 37 import dagger.assisted.AssistedInject; 38 39 import java.util.concurrent.Executor; 40 41 /** 42 * Controls user name TextView for the current logged in user. 43 */ 44 public final class UserNameTextViewController extends 45 CarSystemBarElementController<CarSystemBarTextView> { 46 private final Executor mMainExecutor; 47 private final UserTracker mUserTracker; 48 private final UserManager mUserManager; 49 private final BroadcastDispatcher mBroadcastDispatcher; 50 private boolean mUserLifecycleListenerRegistered; 51 52 private final UserTracker.Callback mUserChangedCallback = 53 new UserTracker.Callback() { 54 @Override 55 public void onUserChanged(int newUser, Context userContext) { 56 updateUser(newUser); 57 } 58 }; 59 60 private final BroadcastReceiver mUserUpdateReceiver = new BroadcastReceiver() { 61 @Override 62 public void onReceive(Context context, Intent intent) { 63 updateUser(mUserTracker.getUserId()); 64 } 65 }; 66 67 @AssistedInject UserNameTextViewController(@ssisted CarSystemBarTextView view, CarSystemBarElementStatusBarDisableController disableController, CarSystemBarElementStateController stateController, @Main Executor mainExecutor, UserTracker userTracker, UserManager userManager, BroadcastDispatcher broadcastDispatcher)68 protected UserNameTextViewController(@Assisted CarSystemBarTextView view, 69 CarSystemBarElementStatusBarDisableController disableController, 70 CarSystemBarElementStateController stateController, 71 @Main Executor mainExecutor, UserTracker userTracker, UserManager userManager, 72 BroadcastDispatcher broadcastDispatcher) { 73 super(view, disableController, stateController); 74 mMainExecutor = mainExecutor; 75 mUserTracker = userTracker; 76 mUserManager = userManager; 77 mBroadcastDispatcher = broadcastDispatcher; 78 } 79 80 @AssistedFactory 81 public interface Factory extends 82 CarSystemBarElementController.Factory<CarSystemBarTextView, 83 UserNameTextViewController> { 84 } 85 86 @Override onViewAttached()87 protected void onViewAttached() { 88 super.onViewAttached(); 89 registerForUserChangeEvents(); 90 updateUser(mUserTracker.getUserId()); 91 } 92 93 @Override onViewDetached()94 protected void onViewDetached() { 95 super.onViewDetached(); 96 if (mUserLifecycleListenerRegistered) { 97 mBroadcastDispatcher.unregisterReceiver(mUserUpdateReceiver); 98 mUserTracker.removeCallback(mUserChangedCallback); 99 mUserLifecycleListenerRegistered = false; 100 } 101 } 102 registerForUserChangeEvents()103 private void registerForUserChangeEvents() { 104 if (mUserLifecycleListenerRegistered) { 105 return; 106 } 107 mUserLifecycleListenerRegistered = true; 108 // Register for user switching 109 mUserTracker.addCallback(mUserChangedCallback, mMainExecutor); 110 // Also register for user info changing 111 IntentFilter filter = new IntentFilter(); 112 filter.addAction(Intent.ACTION_USER_INFO_CHANGED); 113 mBroadcastDispatcher.registerReceiver(mUserUpdateReceiver, filter, /* executor= */ null, 114 UserHandle.ALL); 115 } 116 updateUser(int userId)117 private void updateUser(int userId) { 118 UserInfo currentUserInfo = mUserManager.getUserInfo(userId); 119 mView.setText(currentUserInfo.name); 120 } 121 } 122