DefaultPhonePreferenceController.java revision a278962dbc545f69ca3712159d438f2e50dab0a5 
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
17package com.android.settings.applications.defaultapps;
18
19import android.content.Context;
20import android.content.pm.PackageManager;
21import android.os.UserHandle;
22import android.os.UserManager;
23import android.telecom.DefaultDialerManager;
24import android.telephony.TelephonyManager;
25
26import java.util.List;
27
28public 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