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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 
     17 package com.android.settings.applications.defaultapps;
     18 
     19 import android.content.Context;
     20 import android.content.pm.PackageManager;
     21 import android.os.UserHandle;
     22 import android.os.UserManager;
     23 import android.telecom.DefaultDialerManager;
     24 import android.telephony.TelephonyManager;
     25 
     26 import java.util.List;
     27 
     28 public class DefaultPhonePreferenceController extends DefaultAppPreferenceController {
     29 
     30     public DefaultPhonePreferenceController(Context context) {
     31         super(context);
     32     }
     33 
     34     @Override
     35     public boolean isAvailable() {
     36         final TelephonyManager tm =
     37                 (TelephonyManager) mContext.getSystemService(Context.TELEPHONY_SERVICE);
     38         if (!tm.isVoiceCapable()) {
     39             return false;
     40         }
     41         final UserManager um = (UserManager) mContext.getSystemService(Context.USER_SERVICE);
     42         final boolean hasUserRestriction =
     43                 um.hasUserRestriction(UserManager.DISALLOW_OUTGOING_CALLS);
     44 
     45         if (hasUserRestriction) {
     46             return false;
     47         }
     48         final List<String> candidates = getCandidates();
     49         return candidates != null && !candidates.isEmpty();
     50     }
     51 
     52     @Override
     53     public String getPreferenceKey() {
     54         return "default_phone_app";
     55     }
     56 
     57     @Override
     58     protected DefaultAppInfo getDefaultAppInfo() {
     59         try {
     60             return new DefaultAppInfo(mPackageManager,
     61                     mPackageManager.getPackageManager().getApplicationInfo(
     62                             DefaultDialerManager.getDefaultDialerApplication(mContext, mUserId),
     63                             0));
     64         } catch (PackageManager.NameNotFoundException e) {
     65             return null;
     66         }
     67     }
     68 
     69     private List<String> getCandidates() {
     70         return DefaultDialerManager.getInstalledDialerApplications(mContext, mUserId);
     71     }
     72 
     73     public static boolean hasPhonePreference(String pkg, Context context) {
     74         List<String> dialerPackages =
     75                 DefaultDialerManager.getInstalledDialerApplications(context, UserHandle.myUserId());
     76         return dialerPackages.contains(pkg);
     77     }
     78 
     79     public static boolean isPhoneDefault(String pkg, Context context) {
     80         String def = DefaultDialerManager.getDefaultDialerApplication(context,
     81                 UserHandle.myUserId());
     82         return def != null && def.equals(pkg);
     83     }
     84 }
     85