1 /*
2  * Copyright (C) 2018 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.development.autofill;
18 
19 import android.content.ContentResolver;
20 import android.content.Context;
21 import android.database.ContentObserver;
22 import android.net.Uri;
23 import android.os.Handler;
24 import android.os.Looper;
25 import android.os.UserHandle;
26 import android.provider.Settings;
27 
28 final class AutofillDeveloperSettingsObserver extends ContentObserver {
29 
30     private final Runnable mChangeCallback;
31     private final ContentResolver mResolver;
32 
AutofillDeveloperSettingsObserver(Context context, Runnable changeCallback)33     public AutofillDeveloperSettingsObserver(Context context, Runnable changeCallback) {
34         super(new Handler(Looper.getMainLooper()));
35 
36         mResolver = context.getContentResolver();
37         mChangeCallback = changeCallback;
38     }
39 
register()40     public void register() {
41         mResolver.registerContentObserver(Settings.Global.getUriFor(
42                 Settings.Global.AUTOFILL_LOGGING_LEVEL), false, this,
43                 UserHandle.USER_ALL);
44         mResolver.registerContentObserver(Settings.Global.getUriFor(
45                 Settings.Global.AUTOFILL_MAX_PARTITIONS_SIZE), false, this,
46                 UserHandle.USER_ALL);
47         mResolver.registerContentObserver(Settings.Global.getUriFor(
48                 Settings.Global.AUTOFILL_MAX_VISIBLE_DATASETS), false, this,
49                 UserHandle.USER_ALL);
50     }
51 
unregister()52     public void unregister() {
53         mResolver.unregisterContentObserver(this);
54     }
55 
56     @Override
onChange(boolean selfChange, Uri uri, int userId)57     public void onChange(boolean selfChange, Uri uri, int userId) {
58         mChangeCallback.run(); // Run Forrest, Run!
59     }
60 }
61