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.car.userswitcher; 18 19 import android.car.Car; 20 import android.car.user.CarUserManager; 21 import android.util.Log; 22 23 import com.android.internal.annotations.VisibleForTesting; 24 import com.android.systemui.car.CarDeviceProvisionedController; 25 import com.android.systemui.car.CarServiceProvider; 26 import com.android.systemui.car.window.OverlayViewMediator; 27 28 import javax.inject.Inject; 29 30 /** 31 * Registers listeners that subscribe to events that show or hide CarUserSwitchingDialog that is 32 * mounted to SystemUiOverlayWindow. 33 */ 34 public class UserSwitchTransitionViewMediator implements OverlayViewMediator, 35 CarUserManager.UserSwitchUiCallback { 36 private static final String TAG = "UserSwitchTransitionViewMediator"; 37 38 private final CarServiceProvider mCarServiceProvider; 39 private final CarDeviceProvisionedController mCarDeviceProvisionedController; 40 private final UserSwitchTransitionViewController mUserSwitchTransitionViewController; 41 42 @Inject UserSwitchTransitionViewMediator( CarServiceProvider carServiceProvider, CarDeviceProvisionedController carDeviceProvisionedController, UserSwitchTransitionViewController userSwitchTransitionViewController)43 public UserSwitchTransitionViewMediator( 44 CarServiceProvider carServiceProvider, 45 CarDeviceProvisionedController carDeviceProvisionedController, 46 UserSwitchTransitionViewController userSwitchTransitionViewController) { 47 mCarServiceProvider = carServiceProvider; 48 mCarDeviceProvisionedController = carDeviceProvisionedController; 49 mUserSwitchTransitionViewController = userSwitchTransitionViewController; 50 } 51 52 @Override registerListeners()53 public void registerListeners() { 54 mCarServiceProvider.addListener(car -> { 55 CarUserManager carUserManager = 56 (CarUserManager) car.getCarManager(Car.CAR_USER_SERVICE); 57 58 if (carUserManager != null) { 59 carUserManager.setUserSwitchUiCallback(this); 60 carUserManager.addListener(Runnable::run, this::handleUserLifecycleEvent); 61 } else { 62 Log.e(TAG, "registerListeners: CarUserManager could not be obtained."); 63 } 64 }); 65 } 66 67 @Override setupOverlayContentViewControllers()68 public void setupOverlayContentViewControllers() { 69 // no-op. 70 } 71 72 @Override showUserSwitchDialog(int userId)73 public void showUserSwitchDialog(int userId) { 74 mUserSwitchTransitionViewController.handleShow(userId); 75 } 76 77 @VisibleForTesting handleUserLifecycleEvent(CarUserManager.UserLifecycleEvent event)78 void handleUserLifecycleEvent(CarUserManager.UserLifecycleEvent event) { 79 if (event.getEventType() == CarUserManager.USER_LIFECYCLE_EVENT_TYPE_STARTING 80 && mCarDeviceProvisionedController.getCurrentUser() == event.getUserId()) { 81 mUserSwitchTransitionViewController.handleShow(event.getUserId()); 82 } 83 84 if (event.getEventType() == CarUserManager.USER_LIFECYCLE_EVENT_TYPE_SWITCHING) { 85 mUserSwitchTransitionViewController.handleHide(); 86 } 87 } 88 } 89