1 /*
2  * Copyright (C) 2019 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.car.settings.network;
18 
19 import android.content.Context;
20 import android.net.ConnectivityManager;
21 import android.os.Bundle;
22 import android.provider.Settings;
23 import android.telephony.SubscriptionInfo;
24 import android.telephony.SubscriptionManager;
25 
26 import androidx.annotation.NonNull;
27 import androidx.annotation.VisibleForTesting;
28 import androidx.annotation.XmlRes;
29 
30 import com.android.car.settings.R;
31 import com.android.car.settings.common.SettingsFragment;
32 import com.android.car.settings.datausage.DataUsagePreferenceController;
33 import com.android.car.settings.datausage.DataUsageSummaryPreferenceController;
34 import com.android.car.settings.datausage.DataWarningAndLimitPreferenceController;
35 import com.android.car.settings.search.CarBaseSearchIndexProvider;
36 import com.android.car.ui.toolbar.ToolbarController;
37 import com.android.internal.util.CollectionUtils;
38 import com.android.settingslib.search.SearchIndexable;
39 
40 import com.google.android.collect.Lists;
41 
42 import java.util.Arrays;
43 import java.util.List;
44 
45 /** Mobile network settings homepage. */
46 @SearchIndexable
47 public class MobileNetworkFragment extends SettingsFragment implements
48         MobileNetworkUpdateManager.MobileNetworkUpdateListener {
49 
50     @VisibleForTesting
51     static final String ARG_NETWORK_SUB_ID = "network_sub_id";
52 
53     private SubscriptionManager mSubscriptionManager;
54     private MobileNetworkUpdateManager mMobileNetworkUpdateManager;
55     private CharSequence mTitle;
56 
57     /**
58      * Creates a new instance of the {@link MobileNetworkFragment}, which shows settings related to
59      * the given {@code subId}.
60      */
newInstance(int subId)61     public static MobileNetworkFragment newInstance(int subId) {
62         MobileNetworkFragment fragment = new MobileNetworkFragment();
63         Bundle args = new Bundle();
64         args.putInt(ARG_NETWORK_SUB_ID, subId);
65         fragment.setArguments(args);
66         return fragment;
67     }
68 
69     @Override
70     @XmlRes
getPreferenceScreenResId()71     protected int getPreferenceScreenResId() {
72         return R.xml.mobile_network_fragment;
73     }
74 
75     @Override
onAttach(Context context)76     public void onAttach(Context context) {
77         super.onAttach(context);
78         mSubscriptionManager = getSubscriptionManager(context);
79 
80         int subId = getArguments() != null
81                 ? getArguments().getInt(ARG_NETWORK_SUB_ID, MobileNetworkUpdateManager.SUB_ID_NULL)
82                 : MobileNetworkUpdateManager.SUB_ID_NULL;
83         mMobileNetworkUpdateManager = getMobileNetworkUpdateManager(context, subId);
84         getLifecycle().addObserver(mMobileNetworkUpdateManager);
85 
86         List<MobileNetworkUpdateManager.MobileNetworkUpdateListener> listeners =
87                 Lists.newArrayList(
88                         this,
89                         use(MobileDataTogglePreferenceController.class,
90                                 R.string.pk_mobile_data_toggle),
91                         use(RoamingPreferenceController.class, R.string.pk_mobile_roaming_toggle));
92         for (MobileNetworkUpdateManager.MobileNetworkUpdateListener listener : listeners) {
93             mMobileNetworkUpdateManager.registerListener(listener);
94         }
95 
96         List<NetworkBasePreferenceController> preferenceControllers =
97                 Arrays.asList(
98                         use(DataUsageSummaryPreferenceController.class,
99                                 R.string.pk_data_usage_summary),
100                         use(MobileDataTogglePreferenceController.class,
101                                 R.string.pk_mobile_data_toggle),
102                         use(RoamingPreferenceController.class, R.string.pk_mobile_roaming_toggle),
103                         use(DataUsagePreferenceController.class, R.string.pk_app_data_usage),
104                         use(DataWarningAndLimitPreferenceController.class,
105                                 R.string.pk_data_warning_and_limit));
106 
107         for (NetworkBasePreferenceController preferenceController :
108                 preferenceControllers) {
109             preferenceController.setFields(subId);
110         }
111     }
112 
113     @Override
setupToolbar(@onNull ToolbarController toolbar)114     protected void setupToolbar(@NonNull ToolbarController toolbar) {
115         super.setupToolbar(toolbar);
116 
117         if (mTitle != null) {
118             toolbar.setTitle(mTitle);
119         }
120     }
121 
122     @Override
onMobileNetworkUpdated(int subId)123     public void onMobileNetworkUpdated(int subId) {
124         SubscriptionInfo info = null;
125 
126         if (subId != MobileNetworkUpdateManager.SUB_ID_NULL) {
127             for (SubscriptionInfo subscriptionInfo :
128                     mSubscriptionManager.getSelectableSubscriptionInfoList()) {
129                 if (subscriptionInfo.getSubscriptionId() == subId) {
130                     info = subscriptionInfo;
131                 }
132             }
133         }
134 
135         if (info == null && !CollectionUtils.isEmpty(
136                 mSubscriptionManager.getActiveSubscriptionInfoList())) {
137             info = mSubscriptionManager.getActiveSubscriptionInfoList().get(0);
138         }
139 
140         if (info != null) {
141             // It is possible for this to be called before the activity is fully created. If so,
142             // cache the value so that it can be constructed when setupToolbar is called.
143             mTitle = info.getDisplayName();
144             if (getToolbar() != null) {
145                 getToolbar().setTitle(mTitle);
146             }
147         }
148     }
149 
150     @VisibleForTesting
getSubscriptionManager(Context context)151     SubscriptionManager getSubscriptionManager(Context context) {
152         return context.getSystemService(SubscriptionManager.class);
153     }
154 
155     @VisibleForTesting
getMobileNetworkUpdateManager(Context context, int subId)156     MobileNetworkUpdateManager getMobileNetworkUpdateManager(Context context, int subId) {
157         return new MobileNetworkUpdateManager(context, subId);
158     }
159 
160     public static final CarBaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
161             new CarBaseSearchIndexProvider(R.xml.mobile_network_fragment,
162                     Settings.ACTION_NETWORK_OPERATOR_SETTINGS) {
163                 @Override
164                 protected boolean isPageSearchEnabled(Context context) {
165                     return NetworkUtils.hasMobileNetwork(
166                             context.getSystemService(ConnectivityManager.class));
167                 }
168             };
169 }
170