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.settingslib.applications;
18 
19 import android.content.Context;
20 import android.content.pm.ApplicationInfo;
21 import android.content.pm.PackageManager;
22 import android.content.pm.UserInfo;
23 import android.os.AsyncTask;
24 import android.os.UserHandle;
25 import android.os.UserManager;
26 
27 import java.util.List;
28 
29 /**
30  * TODO(b/208511815): copied from Settings "as-is"; ideally should be move to SettingsLib, but if
31  * not, we should copy the unit tests as well.
32  */
33 public abstract class AppCounter extends AsyncTask<Void, Void, Integer> {
34 
35     protected final PackageManager mPm;
36     protected final UserManager mUm;
37 
AppCounter(Context context, PackageManager packageManager)38     public AppCounter(Context context, PackageManager packageManager) {
39         mPm = packageManager;
40         mUm = (UserManager) context.getSystemService(Context.USER_SERVICE);
41     }
42 
43     @Override
doInBackground(Void... params)44     protected Integer doInBackground(Void... params) {
45         int count = 0;
46         for (UserInfo user : mUm.getProfiles(UserHandle.myUserId())) {
47             final List<ApplicationInfo> list =
48                     mPm.getInstalledApplicationsAsUser(PackageManager.GET_DISABLED_COMPONENTS
49                             | PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS
50                             | (user.isAdmin() ? PackageManager.MATCH_ANY_USER : 0),
51                             user.id);
52             for (ApplicationInfo info : list) {
53                 if (includeInCount(info)) {
54                     count++;
55                 }
56             }
57         }
58         return count;
59     }
60 
61     @Override
onPostExecute(Integer count)62     protected void onPostExecute(Integer count) {
63         onCountComplete(count);
64     }
65 
executeInForeground()66     void executeInForeground() {
67         onPostExecute(doInBackground());
68     }
69 
onCountComplete(int num)70     protected abstract void onCountComplete(int num);
includeInCount(ApplicationInfo info)71     protected abstract boolean includeInCount(ApplicationInfo info);
72 }
73