1 /*
2  * Copyright (C) 2021 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.car.settings.profiles;
18 
19 import android.annotation.Nullable;
20 import android.annotation.UserIdInt;
21 import android.app.admin.DevicePolicyManager;
22 import android.car.drivingstate.CarUxRestrictions;
23 import android.content.Context;
24 import android.content.pm.UserInfo;
25 import android.os.UserHandle;
26 
27 import com.android.car.settings.common.FragmentController;
28 import com.android.car.settings.common.Logger;
29 import com.android.car.ui.preference.CarUiPreference;
30 
31 /**
32  * Controller that ends a managed user session.
33  */
34 // TODO(b/186905050, b/205185521): add unit test
35 public class ProfileDetailsEndSessionPreferenceController
36         extends ProfileDetailsBasePreferenceController<CarUiPreference> {
37 
38     private static final Logger LOG = new Logger(
39             ProfileDetailsEndSessionPreferenceController.class);
40 
41     @Nullable
42     private final DevicePolicyManager mDpm;
43 
44     private @UserIdInt int mLogoutUserId;
45 
ProfileDetailsEndSessionPreferenceController(Context context, String preferenceKey, FragmentController fragmentController, CarUxRestrictions uxRestrictions)46     public ProfileDetailsEndSessionPreferenceController(Context context, String preferenceKey,
47             FragmentController fragmentController, CarUxRestrictions uxRestrictions) {
48         super(context, preferenceKey, fragmentController, uxRestrictions);
49 
50         mDpm = context.getSystemService(DevicePolicyManager.class);
51     }
52 
53     @Override
getPreferenceType()54     protected Class<CarUiPreference> getPreferenceType() {
55         return CarUiPreference.class;
56     }
57 
58     @Override
setUserInfo(UserInfo userInfo)59     public void setUserInfo(UserInfo userInfo) {
60         super.setUserInfo(userInfo);
61     }
62 
63     @Override
handlePreferenceClicked(CarUiPreference preference)64     public boolean handlePreferenceClicked(CarUiPreference preference) {
65         LOG.i("ending session (" + getUserInfo().toFullString() + ") and switching back to user "
66                 + mLogoutUserId);
67         boolean switched = ProfileHelper.getInstance(getContext()).switchProfile(mLogoutUserId);
68         if (switched) {
69             LOG.d("clearing logout user");
70             mDpm.clearLogoutUser();
71         } else {
72             LOG.e("Switch failed");
73         }
74         return true;
75     }
76 
77     @Override
getAvailabilityStatus()78     protected int getAvailabilityStatus() {
79         if (mDpm == null) {
80             LOG.d("getAvailabilityStatus(): no dpm");
81             return UNSUPPORTED_ON_DEVICE;
82         }
83         boolean isLogoutEnabled = mDpm.isLogoutEnabled();
84         mLogoutUserId = mDpm.getLogoutUserId();
85         LOG.d("getAvailabilityStatus(): isLogoutEnabled()=" + isLogoutEnabled + ", mLogoutUserId="
86                 + mLogoutUserId);
87         return isLogoutEnabled && mLogoutUserId != UserHandle.USER_NULL
88                 ? AVAILABLE
89                 : CONDITIONALLY_UNAVAILABLE;
90     }
91 }
92