1 /*
2  * Copyright (C) 2022 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.settings.users;
18 
19 import static android.provider.Settings.Secure.TIMEOUT_TO_DOCK_USER;
20 
21 import android.content.Context;
22 import android.os.UserHandle;
23 import android.os.UserManager;
24 import android.provider.Settings;
25 
26 import androidx.preference.PreferenceScreen;
27 
28 import com.android.settings.Utils;
29 import com.android.settings.core.BasePreferenceController;
30 
31 import java.util.Arrays;
32 
33 /**
34  * Controls the preference which launches a settings screen for user to configure whether to
35  * automatically switch to the designated Dock User when the device is docked.
36  */
37 public class TimeoutToDockUserPreferenceController extends BasePreferenceController {
38     private final UserManager mUserManager;
39 
40     private final String[] mEntries;
41     private final String[] mValues;
42 
TimeoutToDockUserPreferenceController(Context context, String preferenceKey)43     public TimeoutToDockUserPreferenceController(Context context,
44             String preferenceKey) {
45         super(context, preferenceKey);
46 
47         mUserManager = context.getSystemService(UserManager.class);
48 
49         mEntries = mContext.getResources().getStringArray(
50                 com.android.settings.R.array.switch_to_dock_user_when_docked_timeout_entries);
51         mValues = mContext.getResources().getStringArray(
52                 com.android.settings.R.array.switch_to_dock_user_when_docked_timeout_values);
53     }
54 
55     @Override
displayPreference(PreferenceScreen screen)56     public void displayPreference(PreferenceScreen screen) {
57         super.displayPreference(screen);
58 
59         updateState(screen.findPreference(getPreferenceKey()));
60     }
61 
62     @Override
getAvailabilityStatus()63     public int getAvailabilityStatus() {
64         // Feature not available on device.
65         if (!mContext.getResources().getBoolean(
66                 com.android.internal.R.bool.config_enableTimeoutToDockUserWhenDocked)) {
67             return UNSUPPORTED_ON_DEVICE;
68         }
69 
70         // Multi-user feature disabled by user, or user switching blocked on the user.
71         if (Settings.Global.getInt(mContext.getContentResolver(),
72                 Settings.Global.USER_SWITCHER_ENABLED, 0) != 1
73                 || mUserManager.hasUserRestriction(UserManager.DISALLOW_USER_SWITCH)) {
74             return CONDITIONALLY_UNAVAILABLE;
75         }
76 
77         if (Utils.canCurrentUserDream(mContext)) {
78             return DISABLED_FOR_USER;
79         }
80 
81         return AVAILABLE;
82     }
83 
84     @Override
getSummary()85     public CharSequence getSummary() {
86         final String key = Settings.Secure.getStringForUser(mContext.getContentResolver(),
87                 TIMEOUT_TO_DOCK_USER, UserHandle.myUserId());
88         final int index = Arrays.asList(mValues).indexOf(key != null ? key :
89                 mValues[TimeoutToDockUserSettings.DEFAULT_TIMEOUT_SETTING_VALUE_INDEX]);
90 
91         return mEntries[index];
92     }
93 }
94