1 /*
2  * Copyright (C) 2017 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
5  * except in compliance with the License. You may obtain a copy of the License at
6  *
7  *      http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software distributed under the
10  * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
11  * KIND, either express or implied. See the License for the specific language governing
12  * permissions and limitations under the License.
13  */
14 
15 package com.android.systemui.qs;
16 
17 import static com.android.systemui.statusbar.phone.AutoTileManager.HOTSPOT;
18 import static com.android.systemui.statusbar.phone.AutoTileManager.INVERSION;
19 import static com.android.systemui.statusbar.phone.AutoTileManager.NIGHT;
20 import static com.android.systemui.statusbar.phone.AutoTileManager.SAVER;
21 import static com.android.systemui.statusbar.phone.AutoTileManager.WORK;
22 
23 import android.content.Context;
24 import android.database.ContentObserver;
25 import android.os.Handler;
26 import android.os.UserHandle;
27 import android.provider.Settings.Secure;
28 import android.text.TextUtils;
29 import android.util.ArraySet;
30 
31 import com.android.internal.annotations.VisibleForTesting;
32 import com.android.systemui.Prefs;
33 import com.android.systemui.Prefs.Key;
34 import com.android.systemui.util.UserAwareController;
35 
36 import java.util.Arrays;
37 import java.util.Collection;
38 import java.util.Collections;
39 
40 import javax.inject.Inject;
41 
42 public class AutoAddTracker implements UserAwareController {
43 
44     private static final String[][] CONVERT_PREFS = {
45             {Key.QS_HOTSPOT_ADDED, HOTSPOT},
46             {Key.QS_DATA_SAVER_ADDED, SAVER},
47             {Key.QS_INVERT_COLORS_ADDED, INVERSION},
48             {Key.QS_WORK_ADDED, WORK},
49             {Key.QS_NIGHTDISPLAY_ADDED, NIGHT},
50     };
51 
52     private final ArraySet<String> mAutoAdded;
53     private final Context mContext;
54     private int mUserId;
55 
AutoAddTracker(Context context, int userId)56     public AutoAddTracker(Context context, int userId) {
57         mContext = context;
58         mUserId = userId;
59         mAutoAdded = new ArraySet<>(getAdded());
60         // TODO: remove migration code and shared preferences keys after P release
61         if (mUserId == UserHandle.USER_SYSTEM) {
62             for (String[] convertPref : CONVERT_PREFS) {
63                 if (Prefs.getBoolean(context, convertPref[0], false)) {
64                     setTileAdded(convertPref[1]);
65                     Prefs.remove(context, convertPref[0]);
66                 }
67             }
68         }
69         mContext.getContentResolver().registerContentObserver(
70                 Secure.getUriFor(Secure.QS_AUTO_ADDED_TILES), false, mObserver,
71                 UserHandle.USER_ALL);
72     }
73 
74     @Override
changeUser(UserHandle newUser)75     public void changeUser(UserHandle newUser) {
76         if (newUser.getIdentifier() == mUserId) {
77             return;
78         }
79         mUserId = newUser.getIdentifier();
80         mAutoAdded.clear();
81         mAutoAdded.addAll(getAdded());
82     }
83 
84     @Override
getCurrentUserId()85     public int getCurrentUserId() {
86         return mUserId;
87     }
88 
isAdded(String tile)89     public boolean isAdded(String tile) {
90         return mAutoAdded.contains(tile);
91     }
92 
setTileAdded(String tile)93     public void setTileAdded(String tile) {
94         if (mAutoAdded.add(tile)) {
95             saveTiles();
96         }
97     }
98 
setTileRemoved(String tile)99     public void setTileRemoved(String tile) {
100         if (mAutoAdded.remove(tile)) {
101             saveTiles();
102         }
103     }
104 
destroy()105     public void destroy() {
106         mContext.getContentResolver().unregisterContentObserver(mObserver);
107     }
108 
saveTiles()109     private void saveTiles() {
110         Secure.putStringForUser(mContext.getContentResolver(), Secure.QS_AUTO_ADDED_TILES,
111                 TextUtils.join(",", mAutoAdded), mUserId);
112     }
113 
getAdded()114     private Collection<String> getAdded() {
115         String current = Secure.getStringForUser(mContext.getContentResolver(),
116                 Secure.QS_AUTO_ADDED_TILES, mUserId);
117         if (current == null) {
118             return Collections.emptyList();
119         }
120         return Arrays.asList(current.split(","));
121     }
122 
123     @VisibleForTesting
124     protected final ContentObserver mObserver = new ContentObserver(new Handler()) {
125         @Override
126         public void onChange(boolean selfChange) {
127             mAutoAdded.clear();
128             mAutoAdded.addAll(getAdded());
129         }
130     };
131 
132     public static class Builder {
133         private final Context mContext;
134         private int mUserId;
135 
136         @Inject
Builder(Context context)137         public Builder(Context context) {
138             mContext = context;
139         }
140 
setUserId(int userId)141         public Builder setUserId(int userId) {
142             mUserId = userId;
143             return this;
144         }
145 
build()146         public AutoAddTracker build() {
147             return new AutoAddTracker(mContext, mUserId);
148         }
149     }
150 }
151