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      1 /*
      2  * Copyright (C) 2017 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 package com.android.settingslib.applications;
     17 
     18 import android.content.Context;
     19 import android.permission.PermissionControllerManager;
     20 import android.permission.RuntimePermissionPresentationInfo;
     21 
     22 import java.text.Collator;
     23 import java.util.ArrayList;
     24 import java.util.Collections;
     25 import java.util.List;
     26 
     27 public class PermissionsSummaryHelper  {
     28 
     29     public static void getPermissionSummary(Context context, String pkg,
     30             final PermissionsResultCallback callback) {
     31         final PermissionControllerManager permController =
     32                 context.getSystemService(PermissionControllerManager.class);
     33         permController.getAppPermissions(pkg, permissions -> {
     34             final int permissionCount = permissions.size();
     35 
     36             int grantedStandardCount = 0;
     37             int grantedAdditionalCount = 0;
     38             int requestedCount = 0;
     39             List<CharSequence> grantedStandardLabels = new ArrayList<>();
     40 
     41             for (int i = 0; i < permissionCount; i++) {
     42                 RuntimePermissionPresentationInfo permission = permissions.get(i);
     43                 requestedCount++;
     44                 if (permission.isGranted()) {
     45                     if (permission.isStandard()) {
     46                         grantedStandardLabels.add(permission.getLabel());
     47                         grantedStandardCount++;
     48                     } else {
     49                         grantedAdditionalCount++;
     50                     }
     51                 }
     52             }
     53 
     54             Collator collator = Collator.getInstance();
     55             collator.setStrength(Collator.PRIMARY);
     56             Collections.sort(grantedStandardLabels, collator);
     57 
     58             callback.onPermissionSummaryResult(grantedStandardCount, requestedCount,
     59                     grantedAdditionalCount, grantedStandardLabels);
     60         }, null);
     61     }
     62 
     63     public static abstract class PermissionsResultCallback {
     64         public void onAppWithPermissionsCountsResult(int standardGrantedPermissionAppCount,
     65                 int standardUsedPermissionAppCount) {
     66             /* do nothing - stub */
     67         }
     68 
     69         public void onPermissionSummaryResult(int standardGrantedPermissionCount,
     70                 int requestedPermissionCount, int additionalGrantedPermissionCount,
     71                 List<CharSequence> grantedGroupLabels) {
     72             /* do nothing - stub */
     73         }
     74     }
     75 }
     76