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.enterprise;
18 
19 import android.content.Context;
20 import android.content.pm.ApplicationInfo;
21 import android.content.pm.PackageManager;
22 import android.content.pm.UserInfo;
23 import android.os.UserHandle;
24 
25 import androidx.preference.Preference;
26 import androidx.preference.PreferenceCategory;
27 import androidx.preference.PreferenceGroup;
28 import androidx.preference.PreferenceScreen;
29 
30 import com.android.settings.R;
31 import com.android.settings.SettingsPreferenceFragment;
32 import com.android.settings.applications.ApplicationFeatureProvider;
33 import com.android.settings.applications.EnterpriseDefaultApps;
34 import com.android.settings.applications.UserAppInfo;
35 import com.android.settings.core.PreferenceControllerMixin;
36 import com.android.settings.overlay.FeatureFactory;
37 import com.android.settings.users.UserFeatureProvider;
38 import com.android.settingslib.core.AbstractPreferenceController;
39 import com.android.settingslib.utils.ThreadUtils;
40 
41 import java.util.ArrayList;
42 import java.util.Collections;
43 import java.util.EnumMap;
44 import java.util.List;
45 
46 
47 /**
48  * PreferenceController that builds a dynamic list of default apps set by device or profile owner.
49  */
50 public class EnterpriseSetDefaultAppsListPreferenceController extends
51         AbstractPreferenceController implements PreferenceControllerMixin {
52     private final PackageManager mPm;
53     private final SettingsPreferenceFragment mParent;
54     private final ApplicationFeatureProvider mApplicationFeatureProvider;
55     private final EnterprisePrivacyFeatureProvider mEnterprisePrivacyFeatureProvider;
56     private final UserFeatureProvider mUserFeatureProvider;
57 
58     private List<UserInfo> mUsers = Collections.emptyList();
59     private List<EnumMap<EnterpriseDefaultApps, List<ApplicationInfo>>> mApps =
60             Collections.emptyList();
61 
EnterpriseSetDefaultAppsListPreferenceController(Context context, SettingsPreferenceFragment parent, PackageManager packageManager)62     public EnterpriseSetDefaultAppsListPreferenceController(Context context,
63             SettingsPreferenceFragment parent, PackageManager packageManager) {
64         super(context);
65         mPm = packageManager;
66         mParent = parent;
67         final FeatureFactory factory = FeatureFactory.getFactory(context);
68         mApplicationFeatureProvider = factory.getApplicationFeatureProvider(context);
69         mEnterprisePrivacyFeatureProvider = factory.getEnterprisePrivacyFeatureProvider(context);
70         mUserFeatureProvider = factory.getUserFeatureProvider(context);
71         buildAppList();
72     }
73 
74     /**
75      * Builds data for UI. Updates mUsers and mApps so that they contain non-empty list.
76      */
buildAppList()77     private void buildAppList() {
78         mUsers = new ArrayList<>();
79         mApps = new ArrayList<>();
80         for (UserHandle user : mUserFeatureProvider.getUserProfiles()) {
81             boolean hasDefaultsForUser = false;
82             EnumMap<EnterpriseDefaultApps, List<ApplicationInfo>> userMap = null;
83 
84             for (EnterpriseDefaultApps typeOfDefault : EnterpriseDefaultApps.values()) {
85                 List<UserAppInfo> apps = mApplicationFeatureProvider.
86                         findPersistentPreferredActivities(user.getIdentifier(),
87                                 typeOfDefault.getIntents());
88                 if (apps.isEmpty()) {
89                     continue;
90                 }
91                 if (!hasDefaultsForUser) {
92                     hasDefaultsForUser = true;
93                     mUsers.add(apps.get(0).userInfo);
94                     userMap = new EnumMap<>(EnterpriseDefaultApps.class);
95                     mApps.add(userMap);
96                 }
97                 ArrayList<ApplicationInfo> applicationInfos = new ArrayList<>();
98                 for (UserAppInfo userAppInfo : apps) {
99                     applicationInfos.add(userAppInfo.appInfo);
100                 }
101                 userMap.put(typeOfDefault, applicationInfos);
102             }
103         }
104         ThreadUtils.postOnMainThread(() -> updateUi());
105     }
106 
107     @Override
isAvailable()108     public boolean isAvailable() {
109         return true;
110     }
111 
112     @Override
getPreferenceKey()113     public String getPreferenceKey() {
114         return null;
115     }
116 
updateUi()117     private void updateUi() {
118         final Context prefContext = mParent.getPreferenceManager().getContext();
119         final PreferenceScreen screen = mParent.getPreferenceScreen();
120         if (screen == null) {
121             return;
122         }
123         if (!mEnterprisePrivacyFeatureProvider.isInCompMode() && mUsers.size() == 1) {
124             createPreferences(prefContext, screen, mApps.get(0));
125         } else {
126             for (int i = 0; i < mUsers.size(); i++) {
127                 final UserInfo userInfo = mUsers.get(i);
128                 final PreferenceCategory category = new PreferenceCategory(prefContext);
129                 screen.addPreference(category);
130                 if (userInfo.isManagedProfile()) {
131                     category.setTitle(R.string.category_work);
132                 } else {
133                     category.setTitle(R.string.category_personal);
134                 }
135                 category.setOrder(i);
136                 createPreferences(prefContext, category, mApps.get(i));
137             }
138         }
139     }
140 
createPreferences(Context prefContext, PreferenceGroup group, EnumMap<EnterpriseDefaultApps, List<ApplicationInfo>> apps)141     private void createPreferences(Context prefContext, PreferenceGroup group,
142             EnumMap<EnterpriseDefaultApps, List<ApplicationInfo>> apps) {
143         if (group == null) {
144             return;
145         }
146         for (EnterpriseDefaultApps typeOfDefault : EnterpriseDefaultApps.values()) {
147             final List<ApplicationInfo> appsForCategory = apps.get(typeOfDefault);
148             if (appsForCategory == null || appsForCategory.isEmpty()) {
149                 continue;
150             }
151             final Preference preference = new Preference(prefContext);
152             preference.setTitle(getTitle(prefContext, typeOfDefault, appsForCategory.size()));
153             preference.setSummary(buildSummaryString(prefContext, appsForCategory));
154             preference.setOrder(typeOfDefault.ordinal());
155             preference.setSelectable(false);
156             group.addPreference(preference);
157         }
158     }
159 
buildSummaryString(Context context, List<ApplicationInfo> apps)160     private CharSequence buildSummaryString(Context context, List<ApplicationInfo> apps) {
161         final CharSequence[] appNames = new String[apps.size()];
162         for (int i = 0; i < apps.size(); i++) {
163             appNames[i] = apps.get(i).loadLabel(mPm);
164         }
165         if (apps.size() == 1) {
166             return appNames[0];
167         } else if (apps.size() == 2) {
168             return context.getString(R.string.app_names_concatenation_template_2, appNames[0],
169                     appNames[1]);
170         } else {
171             return context.getString(R.string.app_names_concatenation_template_3, appNames[0],
172                     appNames[1], appNames[2]);
173         }
174     }
175 
getTitle(Context context, EnterpriseDefaultApps typeOfDefault, int appCount)176     private String getTitle(Context context, EnterpriseDefaultApps typeOfDefault, int appCount) {
177         switch (typeOfDefault) {
178             case BROWSER:
179                 return context.getString(R.string.default_browser_title);
180             case CALENDAR:
181                 return context.getString(R.string.default_calendar_app_title);
182             case CONTACTS:
183                 return context.getString(R.string.default_contacts_app_title);
184             case PHONE:
185                 return context.getResources()
186                         .getQuantityString(R.plurals.default_phone_app_title, appCount);
187             case MAP:
188                 return context.getString(R.string.default_map_app_title);
189             case EMAIL:
190                 return context.getResources()
191                         .getQuantityString(R.plurals.default_email_app_title, appCount);
192             case CAMERA:
193                 return context.getResources()
194                         .getQuantityString(R.plurals.default_camera_app_title, appCount);
195             default:
196                 throw new IllegalStateException("Unknown type of default " + typeOfDefault);
197         }
198     }
199 
200 }
201