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 package com.android.settings.applications;
17 
18 import android.content.ComponentName;
19 import android.content.Context;
20 import android.os.UserHandle;
21 import android.os.UserManager;
22 import android.telephony.TelephonyManager;
23 import android.text.TextUtils;
24 import android.util.AttributeSet;
25 import com.android.internal.telephony.SmsApplication;
26 import com.android.internal.telephony.SmsApplication.SmsApplicationData;
27 import com.android.settings.AppListPreference;
28 import com.android.settings.SelfAvailablePreference;
29 
30 import java.util.Collection;
31 import java.util.Objects;
32 
33 public class DefaultSmsPreference extends AppListPreference implements SelfAvailablePreference {
34 
DefaultSmsPreference(Context context, AttributeSet attrs)35     public DefaultSmsPreference(Context context, AttributeSet attrs) {
36         super(context, attrs);
37 
38         loadSmsApps();
39     }
40 
loadSmsApps()41     private void loadSmsApps() {
42         Collection<SmsApplicationData> smsApplications =
43                 SmsApplication.getApplicationCollection(getContext());
44 
45         int count = smsApplications.size();
46         String[] packageNames = new String[count];
47         int i = 0;
48         for (SmsApplicationData smsApplicationData : smsApplications) {
49             packageNames[i++] = smsApplicationData.mPackageName;
50         }
51         setPackageNames(packageNames, getDefaultPackage());
52     }
53 
getDefaultPackage()54     private String getDefaultPackage() {
55         ComponentName appName = SmsApplication.getDefaultSmsApplication(getContext(), true);
56         if (appName != null) {
57             return appName.getPackageName();
58         }
59         return null;
60     }
61 
62     @Override
persistString(String value)63     protected boolean persistString(String value) {
64         if (!TextUtils.isEmpty(value) && !Objects.equals(value, getDefaultPackage())) {
65             SmsApplication.setDefaultApplication(value, getContext());
66         }
67         setSummary(getEntry());
68         return true;
69     }
70 
71     @Override
isAvailable(Context context)72     public boolean isAvailable(Context context) {
73         boolean isRestrictedUser =
74                 UserManager.get(context)
75                         .getUserInfo(UserHandle.myUserId()).isRestricted();
76         TelephonyManager tm =
77                 (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
78         return !isRestrictedUser && tm.isSmsCapable();
79     }
80 
hasSmsPreference(String pkg, Context context)81     public static boolean hasSmsPreference(String pkg, Context context) {
82         Collection<SmsApplicationData> smsApplications =
83                 SmsApplication.getApplicationCollection(context);
84         for (SmsApplicationData data : smsApplications) {
85             if (data.mPackageName.equals(pkg)) {
86                 return true;
87             }
88         }
89         return false;
90     }
91 
isSmsDefault(String pkg, Context context)92     public static boolean isSmsDefault(String pkg, Context context) {
93         ComponentName appName = SmsApplication.getDefaultSmsApplication(context, true);
94         return appName != null && appName.getPackageName().equals(pkg);
95     }
96 }
97