Home | History | Annotate | Download | only in handheld 
      1 /*
      2  * Copyright (C) 2016 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.packageinstaller.permission.ui.handheld;
     17 
     18 import android.app.FragmentTransaction;
     19 import android.preference.Preference;
     20 import android.preference.PreferenceScreen;
     21 import android.view.MenuItem;
     22 
     23 import com.android.packageinstaller.R;
     24 import com.android.packageinstaller.permission.model.PermissionGroup;
     25 import com.android.packageinstaller.permission.utils.Utils;
     26 
     27 import java.util.List;
     28 
     29 /**
     30  * Fragment that allows the user to manage standard permissions.
     31  */
     32 public final class ManageStandardPermissionsFragment extends ManagePermissionsFragment {
     33     private static final String EXTRA_PREFS_KEY = "extra_prefs_key";
     34 
     35     /**
     36      * @return A new fragment
     37      */
     38     public static ManageStandardPermissionsFragment newInstance() {
     39         return new ManageStandardPermissionsFragment();
     40     }
     41 
     42     @Override
     43     public void onStart() {
     44         super.onStart();
     45 
     46         getActivity().setTitle(com.android.packageinstaller.R.string.app_permissions);
     47     }
     48 
     49 
     50     @Override
     51     public boolean onOptionsItemSelected(MenuItem item) {
     52         if (item.getItemId() == android.R.id.home) {
     53             getActivity().finish();
     54             return true;
     55         }
     56         return super.onOptionsItemSelected(item);
     57     }
     58 
     59     @Override
     60     protected void updatePermissionsUi() {
     61         PreferenceScreen screen = updatePermissionsUi(true);
     62         if (screen == null) {
     63             return;
     64         }
     65 
     66         // Check if we need an additional permissions preference
     67         List<PermissionGroup> groups = getPermissions().getGroups();
     68         int numExtraPermissions = 0;
     69         for (PermissionGroup group : groups) {
     70             if (!group.getDeclaringPackage().equals(ManagePermissionsFragment.OS_PKG)) {
     71                 numExtraPermissions++;
     72             }
     73         }
     74 
     75         Preference additionalPermissionsPreference = screen.findPreference(EXTRA_PREFS_KEY);
     76         if (numExtraPermissions == 0) {
     77             if (additionalPermissionsPreference != null) {
     78                 screen.removePreference(additionalPermissionsPreference);
     79             }
     80         } else {
     81             if (additionalPermissionsPreference == null) {
     82                 additionalPermissionsPreference = new Preference(getActivity());
     83                 additionalPermissionsPreference.setKey(EXTRA_PREFS_KEY);
     84                 additionalPermissionsPreference.setIcon(Utils.applyTint(getActivity(),
     85                         R.drawable.ic_more_items,
     86                         android.R.attr.colorControlNormal));
     87                 additionalPermissionsPreference.setTitle(R.string.additional_permissions);
     88                 additionalPermissionsPreference.setOnPreferenceClickListener(preference -> {
     89                     ManageCustomPermissionsFragment frag =
     90                             new ManageCustomPermissionsFragment();
     91                     frag.setTargetFragment(ManageStandardPermissionsFragment.this, 0);
     92                     FragmentTransaction ft = getFragmentManager().beginTransaction();
     93                     ft.replace(android.R.id.content, frag);
     94                     ft.addToBackStack(null);
     95                     ft.commit();
     96                     return true;
     97                 });
     98 
     99                 screen.addPreference(additionalPermissionsPreference);
    100             }
    101 
    102             additionalPermissionsPreference.setSummary(getResources().getQuantityString(
    103                     R.plurals.additional_permissions_more, numExtraPermissions,
    104                     numExtraPermissions));
    105         }
    106     }
    107 }
    108