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.notification.zen;
18 
19 import android.app.AutomaticZenRule;
20 import android.app.settings.SettingsEnums;
21 import android.content.Context;
22 import android.content.pm.PackageManager.NameNotFoundException;
23 import android.database.Cursor;
24 import android.os.UserHandle;
25 import android.os.UserManager;
26 import android.provider.CalendarContract.Calendars;
27 import android.provider.Settings;
28 import android.service.notification.ZenModeConfig;
29 import android.service.notification.ZenModeConfig.EventInfo;
30 
31 import androidx.preference.DropDownPreference;
32 import androidx.preference.Preference;
33 import androidx.preference.Preference.OnPreferenceChangeListener;
34 import androidx.preference.PreferenceScreen;
35 
36 import com.android.internal.annotations.VisibleForTesting;
37 import com.android.settings.R;
38 import com.android.settingslib.core.AbstractPreferenceController;
39 
40 import java.util.ArrayList;
41 import java.util.Arrays;
42 import java.util.Collections;
43 import java.util.Comparator;
44 import java.util.List;
45 import java.util.Objects;
46 
47 public class ZenModeEventRuleSettings extends ZenModeRuleSettingsBase {
48     private static final String KEY_CALENDAR = "calendar";
49     private static final String KEY_REPLY = "reply";
50 
51     public static final String ACTION = Settings.ACTION_ZEN_MODE_EVENT_RULE_SETTINGS;
52 
53     private DropDownPreference mCalendar;
54     private DropDownPreference mReply;
55 
56     private EventInfo mEvent;
57 
58     private boolean mCreate;
59 
60     @Override
setRule(AutomaticZenRule rule)61     protected boolean setRule(AutomaticZenRule rule) {
62         mEvent = rule != null ? ZenModeConfig.tryParseEventConditionId(rule.getConditionId())
63                 : null;
64         return mEvent != null;
65     }
66 
67     @Override
onResume()68     public void onResume() {
69         super.onResume();
70         if (isUiRestricted()) {
71             return;
72         }
73         if (!mCreate) {
74             reloadCalendar();
75         }
76         mCreate = false;
77     }
78 
79     @Override
getPreferenceScreenResId()80     protected int getPreferenceScreenResId() {
81         return R.xml.zen_mode_event_rule_settings;
82     }
83 
84     @Override
createPreferenceControllers(Context context)85     protected List<AbstractPreferenceController> createPreferenceControllers(Context context) {
86         List<AbstractPreferenceController> controllers = new ArrayList<>();
87         mHeader = new ZenAutomaticRuleHeaderPreferenceController(context, this,
88                 getSettingsLifecycle());
89         mActionButtons = new ZenRuleButtonsPreferenceController(context, this,
90                 getSettingsLifecycle());
91         mSwitch = new ZenAutomaticRuleSwitchPreferenceController(context, this,
92                 getSettingsLifecycle());
93         controllers.add(mHeader);
94         controllers.add(mActionButtons);
95         controllers.add(mSwitch);
96         return controllers;
97     }
98 
reloadCalendar()99     private void reloadCalendar() {
100         List<CalendarInfo> calendars = getCalendars(mContext);
101         ArrayList<CharSequence> entries = new ArrayList<>();
102         ArrayList<CharSequence> values = new ArrayList<>();
103         entries.add(getString(R.string.zen_mode_event_rule_calendar_any));
104         values.add(key(0, null, ""));
105         final String eventCalendar = mEvent != null ? mEvent.calName : null;
106         for (CalendarInfo calendar : calendars) {
107             entries.add(calendar.name);
108             values.add(key(calendar));
109             if (eventCalendar != null && (mEvent.calendarId == null
110                     && eventCalendar.equals(calendar.name))) {
111                 mEvent.calendarId = calendar.calendarId;
112             }
113         }
114 
115         CharSequence[] entriesArr = entries.toArray(new CharSequence[entries.size()]);
116         CharSequence[] valuesArr = values.toArray(new CharSequence[values.size()]);
117         if (!Arrays.equals(mCalendar.getEntries(), entriesArr)) {
118             mCalendar.setEntries(entriesArr);
119         }
120 
121         if (!Arrays.equals(mCalendar.getEntryValues(), valuesArr)) {
122             mCalendar.setEntryValues(valuesArr);
123         }
124     }
125 
126     @Override
onCreateInternal()127     protected void onCreateInternal() {
128         mCreate = true;
129         final PreferenceScreen root = getPreferenceScreen();
130 
131         mCalendar = (DropDownPreference) root.findPreference(KEY_CALENDAR);
132         mCalendar.setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
133             @Override
134             public boolean onPreferenceChange(Preference preference, Object newValue) {
135                 final String calendarKey = (String) newValue;
136                 if (calendarKey.equals(key(mEvent))) return false;
137                 String[] key = calendarKey.split(":", 3);
138                 mEvent.userId = Integer.parseInt(key[0]);
139                 mEvent.calendarId = key[1].equals("") ? null : Long.parseLong(key[1]);
140                 mEvent.calName = key[2].equals("") ? null : key[2];
141                 updateEventRule(mEvent);
142                 return true;
143             }
144         });
145 
146         mReply = (DropDownPreference) root.findPreference(KEY_REPLY);
147         mReply.setEntries(new CharSequence[] {
148                 getString(R.string.zen_mode_event_rule_reply_any_except_no),
149                 getString(R.string.zen_mode_event_rule_reply_yes_or_maybe),
150                 getString(R.string.zen_mode_event_rule_reply_yes),
151         });
152         mReply.setEntryValues(new CharSequence[] {
153                 Integer.toString(EventInfo.REPLY_ANY_EXCEPT_NO),
154                 Integer.toString(EventInfo.REPLY_YES_OR_MAYBE),
155                 Integer.toString(EventInfo.REPLY_YES),
156         });
157         mReply.setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
158             @Override
159             public boolean onPreferenceChange(Preference preference, Object newValue) {
160                 final int reply = Integer.parseInt((String) newValue);
161                 if (reply == mEvent.reply) return false;
162                 mEvent.reply = reply;
163                 updateEventRule(mEvent);
164                 return true;
165             }
166         });
167 
168         reloadCalendar();
169         updateControlsInternal();
170     }
171 
172     @Override
updateControlsInternal()173     protected void updateControlsInternal() {
174         if (!Objects.equals(mCalendar.getValue(), key(mEvent))) {
175             mCalendar.setValue(key(mEvent));
176         }
177         if (!Objects.equals(mReply.getValue(), Integer.toString(mEvent.reply))) {
178             mReply.setValue(Integer.toString(mEvent.reply));
179         }
180     }
181 
182     @Override
getMetricsCategory()183     public int getMetricsCategory() {
184         return SettingsEnums.NOTIFICATION_ZEN_MODE_EVENT_RULE;
185     }
186 
getCalendars(Context context)187     private List<CalendarInfo> getCalendars(Context context) {
188         final List<CalendarInfo> calendars = new ArrayList<>();
189         for (UserHandle user : UserManager.get(context).getUserProfiles()) {
190             final Context userContext = getContextForUser(context, user);
191             if (userContext != null) {
192                 addCalendars(userContext, calendars);
193             }
194         }
195         Collections.sort(calendars, CALENDAR_NAME);
196         return calendars;
197     }
198 
getContextForUser(Context context, UserHandle user)199     private static Context getContextForUser(Context context, UserHandle user) {
200         try {
201             return context.createPackageContextAsUser(context.getPackageName(), 0, user);
202         } catch (NameNotFoundException e) {
203             return null;
204         }
205     }
206 
addCalendars(Context context, List<CalendarInfo> outCalendars)207     private void addCalendars(Context context, List<CalendarInfo> outCalendars) {
208         final String[] projection = { Calendars._ID, Calendars.CALENDAR_DISPLAY_NAME };
209         final String selection = Calendars.CALENDAR_ACCESS_LEVEL + " >= "
210                 + Calendars.CAL_ACCESS_CONTRIBUTOR
211                 + " AND " + Calendars.SYNC_EVENTS + " = 1";
212         Cursor cursor = null;
213         try {
214             cursor = context.getContentResolver().query(Calendars.CONTENT_URI, projection,
215                     selection, null, null);
216             if (cursor == null) {
217                 return;
218             }
219             while (cursor.moveToNext()) {
220                 addCalendar(cursor.getLong(0), cursor.getString(1),
221                         context.getUserId(), outCalendars);
222             }
223         } finally {
224             if (cursor != null) {
225                 cursor.close();
226             }
227         }
228     }
229 
230     @VisibleForTesting
addCalendar(long calendarId, String calName, int userId, List<CalendarInfo> outCalendars)231     void addCalendar(long calendarId, String calName, int userId, List<CalendarInfo>
232             outCalendars) {
233         final CalendarInfo ci = new CalendarInfo();
234         ci.calendarId = calendarId;
235         ci.name = calName;
236         ci.userId = userId;
237         if (!outCalendars.contains(ci)) {
238             outCalendars.add(ci);
239         }
240     }
241 
key(CalendarInfo calendar)242     private static String key(CalendarInfo calendar) {
243         return key(calendar.userId, calendar.calendarId, calendar.name);
244     }
245 
key(EventInfo event)246     private static String key(EventInfo event) {
247         return key(event.userId, event.calendarId, event.calName);
248     }
249 
key(int userId, Long calendarId, String displayName)250     private static String key(int userId, Long calendarId, String displayName) {
251         return EventInfo.resolveUserId(userId) + ":" + (calendarId == null ? "" : calendarId)
252                 + ":" + (displayName == null ? "" : displayName);
253     }
254 
255     private static final Comparator<CalendarInfo> CALENDAR_NAME = new Comparator<CalendarInfo>() {
256         @Override
257         public int compare(CalendarInfo lhs, CalendarInfo rhs) {
258             return lhs.name.compareTo(rhs.name);
259         }
260     };
261 
262     public static class CalendarInfo {
263         public String name;
264         public int userId;
265         public Long calendarId;
266 
267         @Override
equals(Object o)268         public boolean equals(Object o) {
269             if (!(o instanceof CalendarInfo)) return false;
270             if (o == this) return true;
271             final CalendarInfo other = (CalendarInfo) o;
272             return Objects.equals(other.name, name)
273                     && Objects.equals(other.calendarId, calendarId);
274         }
275 
276         @Override
hashCode()277         public int hashCode() {
278             return Objects.hash(name,  calendarId);
279         }
280     }
281 }
282