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      1 /*
      2  * Copyright (C) 2015 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;
     18 
     19 import android.content.Context;
     20 import android.os.UserHandle;
     21 import android.os.UserManager;
     22 import android.telecom.DefaultDialerManager;
     23 import android.telecom.TelecomManager;
     24 import android.telephony.TelephonyManager;
     25 import android.text.TextUtils;
     26 import android.util.AttributeSet;
     27 import com.android.settings.AppListPreference;
     28 import com.android.settings.SelfAvailablePreference;
     29 
     30 import java.util.List;
     31 import java.util.Objects;
     32 
     33 public class DefaultPhonePreference extends AppListPreference implements SelfAvailablePreference {
     34     private final Context mContext;
     35 
     36     public DefaultPhonePreference(Context context, AttributeSet attrs) {
     37         super(context, attrs);
     38 
     39         mContext = context.getApplicationContext();
     40         loadDialerApps();
     41     }
     42 
     43     @Override
     44     protected boolean persistString(String value) {
     45         if (!TextUtils.isEmpty(value) && !Objects.equals(value, getDefaultPackage())) {
     46             DefaultDialerManager.setDefaultDialerApplication(getContext(), value, mUserId);
     47         }
     48         setSummary(getEntry());
     49         return true;
     50     }
     51 
     52     private void loadDialerApps() {
     53         List<String> dialerPackages =
     54                 DefaultDialerManager.getInstalledDialerApplications(getContext(), mUserId);
     55 
     56         final String[] dialers = new String[dialerPackages.size()];
     57         for (int i = 0; i < dialerPackages.size(); i++) {
     58             dialers[i] = dialerPackages.get(i);
     59         }
     60         setPackageNames(dialers, getDefaultPackage(), getSystemPackage());
     61     }
     62 
     63     private String getDefaultPackage() {
     64         return DefaultDialerManager.getDefaultDialerApplication(getContext(), mUserId);
     65     }
     66 
     67     private String getSystemPackage() {
     68         TelecomManager tm = TelecomManager.from(getContext());
     69         return tm.getSystemDialerPackage();
     70     }
     71 
     72     @Override
     73     public boolean isAvailable(Context context) {
     74         final TelephonyManager tm =
     75                 (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
     76         if (!tm.isVoiceCapable()) {
     77             return false;
     78         }
     79 
     80         final UserManager um =
     81                 (UserManager) context.getSystemService(Context.USER_SERVICE);
     82         return !um.hasUserRestriction(UserManager.DISALLOW_OUTGOING_CALLS);
     83     }
     84 
     85     public static boolean hasPhonePreference(String pkg, Context context) {
     86         List<String> dialerPackages =
     87                 DefaultDialerManager.getInstalledDialerApplications(context, UserHandle.myUserId());
     88         return dialerPackages.contains(pkg);
     89     }
     90 
     91     public static boolean isPhoneDefault(String pkg, Context context) {
     92         String def = DefaultDialerManager.getDefaultDialerApplication(context,
     93                 UserHandle.myUserId());
     94         return def != null && def.equals(pkg);
     95     }
     96 }
     97