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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.telecom.DefaultDialerManager;
     22 import android.telecom.TelecomManager;
     23 import android.text.TextUtils;
     24 
     25 import com.android.internal.logging.nano.MetricsProto;
     26 
     27 import java.util.ArrayList;
     28 import java.util.List;
     29 
     30 public class DefaultPhonePicker extends DefaultAppPickerFragment {
     31 
     32     private DefaultKeyUpdater mDefaultKeyUpdater;
     33 
     34     @Override
     35     public int getMetricsCategory() {
     36         return MetricsProto.MetricsEvent.DEFAULT_PHONE_PICKER;
     37     }
     38 
     39     @Override
     40     public void onAttach(Context context) {
     41         super.onAttach(context);
     42         mDefaultKeyUpdater = new DefaultKeyUpdater(
     43                 (TelecomManager) context.getSystemService(Context.TELECOM_SERVICE));
     44     }
     45 
     46     @Override
     47     protected List<DefaultAppInfo> getCandidates() {
     48         final List<DefaultAppInfo> candidates = new ArrayList<>();
     49         final List<String> dialerPackages =
     50                 DefaultDialerManager.getInstalledDialerApplications(getContext(), mUserId);
     51         for (String packageName : dialerPackages) {
     52             try {
     53                 candidates.add(new DefaultAppInfo(mPm,
     54                         mPm.getApplicationInfoAsUser(packageName, 0, mUserId)));
     55             } catch (PackageManager.NameNotFoundException e) {
     56                 // Skip unknown packages.
     57             }
     58         }
     59         return candidates;
     60     }
     61 
     62     @Override
     63     protected String getDefaultKey() {
     64         return mDefaultKeyUpdater.getDefaultDialerApplication(getContext(), mUserId);
     65     }
     66 
     67     @Override
     68     protected String getSystemDefaultKey() {
     69         return mDefaultKeyUpdater.getSystemDialerPackage();
     70     }
     71 
     72     @Override
     73     protected boolean setDefaultKey(String key) {
     74         if (!TextUtils.isEmpty(key) && !TextUtils.equals(key, getDefaultKey())) {
     75             return mDefaultKeyUpdater.setDefaultDialerApplication(getContext(), key, mUserId);
     76         }
     77         return false;
     78     }
     79 
     80     /**
     81      * Wrapper class to handle default phone app update.
     82      */
     83     static class DefaultKeyUpdater {
     84         private final TelecomManager mTelecomManager;
     85 
     86         public DefaultKeyUpdater(TelecomManager telecomManager) {
     87             mTelecomManager = telecomManager;
     88         }
     89 
     90         public String getSystemDialerPackage() {
     91             return mTelecomManager.getSystemDialerPackage();
     92         }
     93 
     94         public String getDefaultDialerApplication(Context context, int uid) {
     95             return DefaultDialerManager.getDefaultDialerApplication(context, uid);
     96         }
     97 
     98         public boolean setDefaultDialerApplication(Context context, String key, int uid) {
     99             return DefaultDialerManager.setDefaultDialerApplication(context, key, uid);
    100         }
    101     }
    102 }
    103