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      1 /*
      2  * Copyright (C) 2016 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.settings.applications;
     16 
     17 import android.app.AppGlobals;
     18 import android.content.Context;
     19 import android.content.pm.ApplicationInfo;
     20 import android.content.pm.IPackageManager;
     21 import android.content.pm.PackageManager;
     22 import android.content.pm.ParceledListSlice;
     23 import android.content.pm.UserInfo;
     24 import android.os.AsyncTask;
     25 import android.os.RemoteException;
     26 import android.os.UserHandle;
     27 import android.os.UserManager;
     28 
     29 public abstract class AppCounter extends AsyncTask<Void, Void, Integer> {
     30 
     31     protected final PackageManager mPm;
     32     protected final IPackageManager mIpm;
     33     protected final UserManager mUm;
     34 
     35     public AppCounter(Context context) {
     36         mPm = context.getPackageManager();
     37         mIpm = AppGlobals.getPackageManager();
     38         mUm = UserManager.get(context);
     39     }
     40 
     41     @Override
     42     protected Integer doInBackground(Void... params) {
     43         int count = 0;
     44         for (UserInfo user : mUm.getProfiles(UserHandle.myUserId())) {
     45             try {
     46                 @SuppressWarnings("unchecked")
     47                 ParceledListSlice<ApplicationInfo> list =
     48                         mIpm.getInstalledApplications(PackageManager.GET_DISABLED_COMPONENTS
     49                                 | PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS
     50                                 | (user.isAdmin() ? PackageManager.GET_UNINSTALLED_PACKAGES : 0),
     51                                 user.id);
     52                 for (ApplicationInfo info : list.getList()) {
     53                     if (includeInCount(info)) {
     54                         count++;
     55                     }
     56                 }
     57             } catch (RemoteException e) {
     58             }
     59         }
     60         return count;
     61     }
     62 
     63     @Override
     64     protected void onPostExecute(Integer count) {
     65         onCountComplete(count);
     66     }
     67 
     68     protected abstract void onCountComplete(int num);
     69     protected abstract boolean includeInCount(ApplicationInfo info);
     70 }
     71