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      1 /**
      2  * Copyright (c) 2014, 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 android.service.notification;
     18 
     19 import android.app.ActivityManager;
     20 import android.app.NotificationManager.Policy;
     21 import android.content.ComponentName;
     22 import android.content.Context;
     23 import android.content.pm.ApplicationInfo;
     24 import android.content.pm.PackageManager;
     25 import android.content.res.Resources;
     26 import android.net.Uri;
     27 import android.os.Parcel;
     28 import android.os.Parcelable;
     29 import android.os.UserHandle;
     30 import android.provider.Settings.Global;
     31 import android.text.TextUtils;
     32 import android.text.format.DateFormat;
     33 import android.util.ArrayMap;
     34 import android.util.ArraySet;
     35 import android.util.Slog;
     36 
     37 import com.android.internal.R;
     38 
     39 import org.xmlpull.v1.XmlPullParser;
     40 import org.xmlpull.v1.XmlPullParserException;
     41 import org.xmlpull.v1.XmlSerializer;
     42 
     43 import java.io.IOException;
     44 import java.util.ArrayList;
     45 import java.util.Arrays;
     46 import java.util.Calendar;
     47 import java.util.Date;
     48 import java.util.GregorianCalendar;
     49 import java.util.Locale;
     50 import java.util.Objects;
     51 import java.util.UUID;
     52 
     53 /**
     54  * Persisted configuration for zen mode.
     55  *
     56  * @hide
     57  */
     58 public class ZenModeConfig implements Parcelable {
     59     private static String TAG = "ZenModeConfig";
     60 
     61     public static final int SOURCE_ANYONE = 0;
     62     public static final int SOURCE_CONTACT = 1;
     63     public static final int SOURCE_STAR = 2;
     64     public static final int MAX_SOURCE = SOURCE_STAR;
     65     private static final int DEFAULT_SOURCE = SOURCE_CONTACT;
     66 
     67     public static final int[] ALL_DAYS = { Calendar.SUNDAY, Calendar.MONDAY, Calendar.TUESDAY,
     68             Calendar.WEDNESDAY, Calendar.THURSDAY, Calendar.FRIDAY, Calendar.SATURDAY };
     69     public static final int[] WEEKNIGHT_DAYS = { Calendar.SUNDAY, Calendar.MONDAY, Calendar.TUESDAY,
     70             Calendar.WEDNESDAY, Calendar.THURSDAY };
     71     public static final int[] WEEKEND_DAYS = { Calendar.FRIDAY, Calendar.SATURDAY };
     72 
     73     public static final int[] MINUTE_BUCKETS = generateMinuteBuckets();
     74     private static final int SECONDS_MS = 1000;
     75     private static final int MINUTES_MS = 60 * SECONDS_MS;
     76     private static final int DAY_MINUTES = 24 * 60;
     77     private static final int ZERO_VALUE_MS = 10 * SECONDS_MS;
     78 
     79     private static final boolean DEFAULT_ALLOW_CALLS = true;
     80     private static final boolean DEFAULT_ALLOW_MESSAGES = false;
     81     private static final boolean DEFAULT_ALLOW_REMINDERS = true;
     82     private static final boolean DEFAULT_ALLOW_EVENTS = true;
     83     private static final boolean DEFAULT_ALLOW_REPEAT_CALLERS = false;
     84     private static final boolean DEFAULT_ALLOW_SCREEN_OFF = true;
     85     private static final boolean DEFAULT_ALLOW_SCREEN_ON = true;
     86 
     87     private static final int XML_VERSION = 2;
     88     private static final String ZEN_TAG = "zen";
     89     private static final String ZEN_ATT_VERSION = "version";
     90     private static final String ZEN_ATT_USER = "user";
     91     private static final String ALLOW_TAG = "allow";
     92     private static final String ALLOW_ATT_CALLS = "calls";
     93     private static final String ALLOW_ATT_REPEAT_CALLERS = "repeatCallers";
     94     private static final String ALLOW_ATT_MESSAGES = "messages";
     95     private static final String ALLOW_ATT_FROM = "from";
     96     private static final String ALLOW_ATT_CALLS_FROM = "callsFrom";
     97     private static final String ALLOW_ATT_MESSAGES_FROM = "messagesFrom";
     98     private static final String ALLOW_ATT_REMINDERS = "reminders";
     99     private static final String ALLOW_ATT_EVENTS = "events";
    100     private static final String ALLOW_ATT_SCREEN_OFF = "visualScreenOff";
    101     private static final String ALLOW_ATT_SCREEN_ON = "visualScreenOn";
    102 
    103     private static final String CONDITION_TAG = "condition";
    104     private static final String CONDITION_ATT_COMPONENT = "component";
    105     private static final String CONDITION_ATT_ID = "id";
    106     private static final String CONDITION_ATT_SUMMARY = "summary";
    107     private static final String CONDITION_ATT_LINE1 = "line1";
    108     private static final String CONDITION_ATT_LINE2 = "line2";
    109     private static final String CONDITION_ATT_ICON = "icon";
    110     private static final String CONDITION_ATT_STATE = "state";
    111     private static final String CONDITION_ATT_FLAGS = "flags";
    112 
    113     private static final String MANUAL_TAG = "manual";
    114     private static final String AUTOMATIC_TAG = "automatic";
    115 
    116     private static final String RULE_ATT_ID = "ruleId";
    117     private static final String RULE_ATT_ENABLED = "enabled";
    118     private static final String RULE_ATT_SNOOZING = "snoozing";
    119     private static final String RULE_ATT_NAME = "name";
    120     private static final String RULE_ATT_COMPONENT = "component";
    121     private static final String RULE_ATT_ZEN = "zen";
    122     private static final String RULE_ATT_CONDITION_ID = "conditionId";
    123     private static final String RULE_ATT_CREATION_TIME = "creationTime";
    124     private static final String RULE_ATT_ENABLER = "enabler";
    125 
    126     public boolean allowCalls = DEFAULT_ALLOW_CALLS;
    127     public boolean allowRepeatCallers = DEFAULT_ALLOW_REPEAT_CALLERS;
    128     public boolean allowMessages = DEFAULT_ALLOW_MESSAGES;
    129     public boolean allowReminders = DEFAULT_ALLOW_REMINDERS;
    130     public boolean allowEvents = DEFAULT_ALLOW_EVENTS;
    131     public int allowCallsFrom = DEFAULT_SOURCE;
    132     public int allowMessagesFrom = DEFAULT_SOURCE;
    133     public int user = UserHandle.USER_SYSTEM;
    134     public boolean allowWhenScreenOff = DEFAULT_ALLOW_SCREEN_OFF;
    135     public boolean allowWhenScreenOn = DEFAULT_ALLOW_SCREEN_ON;
    136 
    137     public ZenRule manualRule;
    138     public ArrayMap<String, ZenRule> automaticRules = new ArrayMap<>();
    139 
    140     public ZenModeConfig() { }
    141 
    142     public ZenModeConfig(Parcel source) {
    143         allowCalls = source.readInt() == 1;
    144         allowRepeatCallers = source.readInt() == 1;
    145         allowMessages = source.readInt() == 1;
    146         allowReminders = source.readInt() == 1;
    147         allowEvents = source.readInt() == 1;
    148         allowCallsFrom = source.readInt();
    149         allowMessagesFrom = source.readInt();
    150         user = source.readInt();
    151         manualRule = source.readParcelable(null);
    152         final int len = source.readInt();
    153         if (len > 0) {
    154             final String[] ids = new String[len];
    155             final ZenRule[] rules = new ZenRule[len];
    156             source.readStringArray(ids);
    157             source.readTypedArray(rules, ZenRule.CREATOR);
    158             for (int i = 0; i < len; i++) {
    159                 automaticRules.put(ids[i], rules[i]);
    160             }
    161         }
    162         allowWhenScreenOff = source.readInt() == 1;
    163         allowWhenScreenOn = source.readInt() == 1;
    164     }
    165 
    166     @Override
    167     public void writeToParcel(Parcel dest, int flags) {
    168         dest.writeInt(allowCalls ? 1 : 0);
    169         dest.writeInt(allowRepeatCallers ? 1 : 0);
    170         dest.writeInt(allowMessages ? 1 : 0);
    171         dest.writeInt(allowReminders ? 1 : 0);
    172         dest.writeInt(allowEvents ? 1 : 0);
    173         dest.writeInt(allowCallsFrom);
    174         dest.writeInt(allowMessagesFrom);
    175         dest.writeInt(user);
    176         dest.writeParcelable(manualRule, 0);
    177         if (!automaticRules.isEmpty()) {
    178             final int len = automaticRules.size();
    179             final String[] ids = new String[len];
    180             final ZenRule[] rules = new ZenRule[len];
    181             for (int i = 0; i < len; i++) {
    182                 ids[i] = automaticRules.keyAt(i);
    183                 rules[i] = automaticRules.valueAt(i);
    184             }
    185             dest.writeInt(len);
    186             dest.writeStringArray(ids);
    187             dest.writeTypedArray(rules, 0);
    188         } else {
    189             dest.writeInt(0);
    190         }
    191         dest.writeInt(allowWhenScreenOff ? 1 : 0);
    192         dest.writeInt(allowWhenScreenOn ? 1 : 0);
    193     }
    194 
    195     @Override
    196     public String toString() {
    197         return new StringBuilder(ZenModeConfig.class.getSimpleName()).append('[')
    198                 .append("user=").append(user)
    199                 .append(",allowCalls=").append(allowCalls)
    200                 .append(",allowRepeatCallers=").append(allowRepeatCallers)
    201                 .append(",allowMessages=").append(allowMessages)
    202                 .append(",allowCallsFrom=").append(sourceToString(allowCallsFrom))
    203                 .append(",allowMessagesFrom=").append(sourceToString(allowMessagesFrom))
    204                 .append(",allowReminders=").append(allowReminders)
    205                 .append(",allowEvents=").append(allowEvents)
    206                 .append(",allowWhenScreenOff=").append(allowWhenScreenOff)
    207                 .append(",allowWhenScreenOn=").append(allowWhenScreenOn)
    208                 .append(",automaticRules=").append(automaticRules)
    209                 .append(",manualRule=").append(manualRule)
    210                 .append(']').toString();
    211     }
    212 
    213     private Diff diff(ZenModeConfig to) {
    214         final Diff d = new Diff();
    215         if (to == null) {
    216             return d.addLine("config", "delete");
    217         }
    218         if (user != to.user) {
    219             d.addLine("user", user, to.user);
    220         }
    221         if (allowCalls != to.allowCalls) {
    222             d.addLine("allowCalls", allowCalls, to.allowCalls);
    223         }
    224         if (allowRepeatCallers != to.allowRepeatCallers) {
    225             d.addLine("allowRepeatCallers", allowRepeatCallers, to.allowRepeatCallers);
    226         }
    227         if (allowMessages != to.allowMessages) {
    228             d.addLine("allowMessages", allowMessages, to.allowMessages);
    229         }
    230         if (allowCallsFrom != to.allowCallsFrom) {
    231             d.addLine("allowCallsFrom", allowCallsFrom, to.allowCallsFrom);
    232         }
    233         if (allowMessagesFrom != to.allowMessagesFrom) {
    234             d.addLine("allowMessagesFrom", allowMessagesFrom, to.allowMessagesFrom);
    235         }
    236         if (allowReminders != to.allowReminders) {
    237             d.addLine("allowReminders", allowReminders, to.allowReminders);
    238         }
    239         if (allowEvents != to.allowEvents) {
    240             d.addLine("allowEvents", allowEvents, to.allowEvents);
    241         }
    242         if (allowWhenScreenOff != to.allowWhenScreenOff) {
    243             d.addLine("allowWhenScreenOff", allowWhenScreenOff, to.allowWhenScreenOff);
    244         }
    245         if (allowWhenScreenOn != to.allowWhenScreenOn) {
    246             d.addLine("allowWhenScreenOn", allowWhenScreenOn, to.allowWhenScreenOn);
    247         }
    248         final ArraySet<String> allRules = new ArraySet<>();
    249         addKeys(allRules, automaticRules);
    250         addKeys(allRules, to.automaticRules);
    251         final int N = allRules.size();
    252         for (int i = 0; i < N; i++) {
    253             final String rule = allRules.valueAt(i);
    254             final ZenRule fromRule = automaticRules != null ? automaticRules.get(rule) : null;
    255             final ZenRule toRule = to.automaticRules != null ? to.automaticRules.get(rule) : null;
    256             ZenRule.appendDiff(d, "automaticRule[" + rule + "]", fromRule, toRule);
    257         }
    258         ZenRule.appendDiff(d, "manualRule", manualRule, to.manualRule);
    259         return d;
    260     }
    261 
    262     public static Diff diff(ZenModeConfig from, ZenModeConfig to) {
    263         if (from == null) {
    264             final Diff d = new Diff();
    265             if (to != null) {
    266                 d.addLine("config", "insert");
    267             }
    268             return d;
    269         }
    270         return from.diff(to);
    271     }
    272 
    273     private static <T> void addKeys(ArraySet<T> set, ArrayMap<T, ?> map) {
    274         if (map != null) {
    275             for (int i = 0; i < map.size(); i++) {
    276                 set.add(map.keyAt(i));
    277             }
    278         }
    279     }
    280 
    281     public boolean isValid() {
    282         if (!isValidManualRule(manualRule)) return false;
    283         final int N = automaticRules.size();
    284         for (int i = 0; i < N; i++) {
    285             if (!isValidAutomaticRule(automaticRules.valueAt(i))) return false;
    286         }
    287         return true;
    288     }
    289 
    290     private static boolean isValidManualRule(ZenRule rule) {
    291         return rule == null || Global.isValidZenMode(rule.zenMode) && sameCondition(rule);
    292     }
    293 
    294     private static boolean isValidAutomaticRule(ZenRule rule) {
    295         return rule != null && !TextUtils.isEmpty(rule.name) && Global.isValidZenMode(rule.zenMode)
    296                 && rule.conditionId != null && sameCondition(rule);
    297     }
    298 
    299     private static boolean sameCondition(ZenRule rule) {
    300         if (rule == null) return false;
    301         if (rule.conditionId == null) {
    302             return rule.condition == null;
    303         } else {
    304             return rule.condition == null || rule.conditionId.equals(rule.condition.id);
    305         }
    306     }
    307 
    308     private static int[] generateMinuteBuckets() {
    309         final int maxHrs = 12;
    310         final int[] buckets = new int[maxHrs + 3];
    311         buckets[0] = 15;
    312         buckets[1] = 30;
    313         buckets[2] = 45;
    314         for (int i = 1; i <= maxHrs; i++) {
    315             buckets[2 + i] = 60 * i;
    316         }
    317         return buckets;
    318     }
    319 
    320     public static String sourceToString(int source) {
    321         switch (source) {
    322             case SOURCE_ANYONE:
    323                 return "anyone";
    324             case SOURCE_CONTACT:
    325                 return "contacts";
    326             case SOURCE_STAR:
    327                 return "stars";
    328             default:
    329                 return "UNKNOWN";
    330         }
    331     }
    332 
    333     @Override
    334     public boolean equals(Object o) {
    335         if (!(o instanceof ZenModeConfig)) return false;
    336         if (o == this) return true;
    337         final ZenModeConfig other = (ZenModeConfig) o;
    338         return other.allowCalls == allowCalls
    339                 && other.allowRepeatCallers == allowRepeatCallers
    340                 && other.allowMessages == allowMessages
    341                 && other.allowCallsFrom == allowCallsFrom
    342                 && other.allowMessagesFrom == allowMessagesFrom
    343                 && other.allowReminders == allowReminders
    344                 && other.allowEvents == allowEvents
    345                 && other.allowWhenScreenOff == allowWhenScreenOff
    346                 && other.allowWhenScreenOn == allowWhenScreenOn
    347                 && other.user == user
    348                 && Objects.equals(other.automaticRules, automaticRules)
    349                 && Objects.equals(other.manualRule, manualRule);
    350     }
    351 
    352     @Override
    353     public int hashCode() {
    354         return Objects.hash(allowCalls, allowRepeatCallers, allowMessages, allowCallsFrom,
    355                 allowMessagesFrom, allowReminders, allowEvents, allowWhenScreenOff,
    356                 allowWhenScreenOn,
    357                 user, automaticRules, manualRule);
    358     }
    359 
    360     private static String toDayList(int[] days) {
    361         if (days == null || days.length == 0) return "";
    362         final StringBuilder sb = new StringBuilder();
    363         for (int i = 0; i < days.length; i++) {
    364             if (i > 0) sb.append('.');
    365             sb.append(days[i]);
    366         }
    367         return sb.toString();
    368     }
    369 
    370     private static int[] tryParseDayList(String dayList, String sep) {
    371         if (dayList == null) return null;
    372         final String[] tokens = dayList.split(sep);
    373         if (tokens.length == 0) return null;
    374         final int[] rt = new int[tokens.length];
    375         for (int i = 0; i < tokens.length; i++) {
    376             final int day = tryParseInt(tokens[i], -1);
    377             if (day == -1) return null;
    378             rt[i] = day;
    379         }
    380         return rt;
    381     }
    382 
    383     private static int tryParseInt(String value, int defValue) {
    384         if (TextUtils.isEmpty(value)) return defValue;
    385         try {
    386             return Integer.parseInt(value);
    387         } catch (NumberFormatException e) {
    388             return defValue;
    389         }
    390     }
    391 
    392     private static long tryParseLong(String value, long defValue) {
    393         if (TextUtils.isEmpty(value)) return defValue;
    394         try {
    395             return Long.valueOf(value);
    396         } catch (NumberFormatException e) {
    397             return defValue;
    398         }
    399     }
    400 
    401     public static ZenModeConfig readXml(XmlPullParser parser, Migration migration)
    402             throws XmlPullParserException, IOException {
    403         int type = parser.getEventType();
    404         if (type != XmlPullParser.START_TAG) return null;
    405         String tag = parser.getName();
    406         if (!ZEN_TAG.equals(tag)) return null;
    407         final ZenModeConfig rt = new ZenModeConfig();
    408         final int version = safeInt(parser, ZEN_ATT_VERSION, XML_VERSION);
    409         if (version == 1) {
    410             final XmlV1 v1 = XmlV1.readXml(parser);
    411             return migration.migrate(v1);
    412         }
    413         rt.user = safeInt(parser, ZEN_ATT_USER, rt.user);
    414         while ((type = parser.next()) != XmlPullParser.END_DOCUMENT) {
    415             tag = parser.getName();
    416             if (type == XmlPullParser.END_TAG && ZEN_TAG.equals(tag)) {
    417                 return rt;
    418             }
    419             if (type == XmlPullParser.START_TAG) {
    420                 if (ALLOW_TAG.equals(tag)) {
    421                     rt.allowCalls = safeBoolean(parser, ALLOW_ATT_CALLS, false);
    422                     rt.allowRepeatCallers = safeBoolean(parser, ALLOW_ATT_REPEAT_CALLERS,
    423                             DEFAULT_ALLOW_REPEAT_CALLERS);
    424                     rt.allowMessages = safeBoolean(parser, ALLOW_ATT_MESSAGES, false);
    425                     rt.allowReminders = safeBoolean(parser, ALLOW_ATT_REMINDERS,
    426                             DEFAULT_ALLOW_REMINDERS);
    427                     rt.allowEvents = safeBoolean(parser, ALLOW_ATT_EVENTS, DEFAULT_ALLOW_EVENTS);
    428                     final int from = safeInt(parser, ALLOW_ATT_FROM, -1);
    429                     final int callsFrom = safeInt(parser, ALLOW_ATT_CALLS_FROM, -1);
    430                     final int messagesFrom = safeInt(parser, ALLOW_ATT_MESSAGES_FROM, -1);
    431                     if (isValidSource(callsFrom) && isValidSource(messagesFrom)) {
    432                         rt.allowCallsFrom = callsFrom;
    433                         rt.allowMessagesFrom = messagesFrom;
    434                     } else if (isValidSource(from)) {
    435                         Slog.i(TAG, "Migrating existing shared 'from': " + sourceToString(from));
    436                         rt.allowCallsFrom = from;
    437                         rt.allowMessagesFrom = from;
    438                     } else {
    439                         rt.allowCallsFrom = DEFAULT_SOURCE;
    440                         rt.allowMessagesFrom = DEFAULT_SOURCE;
    441                     }
    442                     rt.allowWhenScreenOff =
    443                             safeBoolean(parser, ALLOW_ATT_SCREEN_OFF, DEFAULT_ALLOW_SCREEN_OFF);
    444                     rt.allowWhenScreenOn =
    445                             safeBoolean(parser, ALLOW_ATT_SCREEN_ON, DEFAULT_ALLOW_SCREEN_ON);
    446                 } else if (MANUAL_TAG.equals(tag)) {
    447                     rt.manualRule = readRuleXml(parser);
    448                 } else if (AUTOMATIC_TAG.equals(tag)) {
    449                     final String id = parser.getAttributeValue(null, RULE_ATT_ID);
    450                     final ZenRule automaticRule = readRuleXml(parser);
    451                     if (id != null && automaticRule != null) {
    452                         automaticRule.id = id;
    453                         rt.automaticRules.put(id, automaticRule);
    454                     }
    455                 }
    456             }
    457         }
    458         throw new IllegalStateException("Failed to reach END_DOCUMENT");
    459     }
    460 
    461     public void writeXml(XmlSerializer out) throws IOException {
    462         out.startTag(null, ZEN_TAG);
    463         out.attribute(null, ZEN_ATT_VERSION, Integer.toString(XML_VERSION));
    464         out.attribute(null, ZEN_ATT_USER, Integer.toString(user));
    465 
    466         out.startTag(null, ALLOW_TAG);
    467         out.attribute(null, ALLOW_ATT_CALLS, Boolean.toString(allowCalls));
    468         out.attribute(null, ALLOW_ATT_REPEAT_CALLERS, Boolean.toString(allowRepeatCallers));
    469         out.attribute(null, ALLOW_ATT_MESSAGES, Boolean.toString(allowMessages));
    470         out.attribute(null, ALLOW_ATT_REMINDERS, Boolean.toString(allowReminders));
    471         out.attribute(null, ALLOW_ATT_EVENTS, Boolean.toString(allowEvents));
    472         out.attribute(null, ALLOW_ATT_CALLS_FROM, Integer.toString(allowCallsFrom));
    473         out.attribute(null, ALLOW_ATT_MESSAGES_FROM, Integer.toString(allowMessagesFrom));
    474         out.attribute(null, ALLOW_ATT_SCREEN_OFF, Boolean.toString(allowWhenScreenOff));
    475         out.attribute(null, ALLOW_ATT_SCREEN_ON, Boolean.toString(allowWhenScreenOn));
    476         out.endTag(null, ALLOW_TAG);
    477 
    478         if (manualRule != null) {
    479             out.startTag(null, MANUAL_TAG);
    480             writeRuleXml(manualRule, out);
    481             out.endTag(null, MANUAL_TAG);
    482         }
    483         final int N = automaticRules.size();
    484         for (int i = 0; i < N; i++) {
    485             final String id = automaticRules.keyAt(i);
    486             final ZenRule automaticRule = automaticRules.valueAt(i);
    487             out.startTag(null, AUTOMATIC_TAG);
    488             out.attribute(null, RULE_ATT_ID, id);
    489             writeRuleXml(automaticRule, out);
    490             out.endTag(null, AUTOMATIC_TAG);
    491         }
    492         out.endTag(null, ZEN_TAG);
    493     }
    494 
    495     public static ZenRule readRuleXml(XmlPullParser parser) {
    496         final ZenRule rt = new ZenRule();
    497         rt.enabled = safeBoolean(parser, RULE_ATT_ENABLED, true);
    498         rt.snoozing = safeBoolean(parser, RULE_ATT_SNOOZING, false);
    499         rt.name = parser.getAttributeValue(null, RULE_ATT_NAME);
    500         final String zen = parser.getAttributeValue(null, RULE_ATT_ZEN);
    501         rt.zenMode = tryParseZenMode(zen, -1);
    502         if (rt.zenMode == -1) {
    503             Slog.w(TAG, "Bad zen mode in rule xml:" + zen);
    504             return null;
    505         }
    506         rt.conditionId = safeUri(parser, RULE_ATT_CONDITION_ID);
    507         rt.component = safeComponentName(parser, RULE_ATT_COMPONENT);
    508         rt.creationTime = safeLong(parser, RULE_ATT_CREATION_TIME, 0);
    509         rt.enabler = parser.getAttributeValue(null, RULE_ATT_ENABLER);
    510         rt.condition = readConditionXml(parser);
    511         return rt;
    512     }
    513 
    514     public static void writeRuleXml(ZenRule rule, XmlSerializer out) throws IOException {
    515         out.attribute(null, RULE_ATT_ENABLED, Boolean.toString(rule.enabled));
    516         out.attribute(null, RULE_ATT_SNOOZING, Boolean.toString(rule.snoozing));
    517         if (rule.name != null) {
    518             out.attribute(null, RULE_ATT_NAME, rule.name);
    519         }
    520         out.attribute(null, RULE_ATT_ZEN, Integer.toString(rule.zenMode));
    521         if (rule.component != null) {
    522             out.attribute(null, RULE_ATT_COMPONENT, rule.component.flattenToString());
    523         }
    524         if (rule.conditionId != null) {
    525             out.attribute(null, RULE_ATT_CONDITION_ID, rule.conditionId.toString());
    526         }
    527         out.attribute(null, RULE_ATT_CREATION_TIME, Long.toString(rule.creationTime));
    528         if (rule.enabler != null) {
    529             out.attribute(null, RULE_ATT_ENABLER, rule.enabler);
    530         }
    531         if (rule.condition != null) {
    532             writeConditionXml(rule.condition, out);
    533         }
    534     }
    535 
    536     public static Condition readConditionXml(XmlPullParser parser) {
    537         final Uri id = safeUri(parser, CONDITION_ATT_ID);
    538         if (id == null) return null;
    539         final String summary = parser.getAttributeValue(null, CONDITION_ATT_SUMMARY);
    540         final String line1 = parser.getAttributeValue(null, CONDITION_ATT_LINE1);
    541         final String line2 = parser.getAttributeValue(null, CONDITION_ATT_LINE2);
    542         final int icon = safeInt(parser, CONDITION_ATT_ICON, -1);
    543         final int state = safeInt(parser, CONDITION_ATT_STATE, -1);
    544         final int flags = safeInt(parser, CONDITION_ATT_FLAGS, -1);
    545         try {
    546             return new Condition(id, summary, line1, line2, icon, state, flags);
    547         } catch (IllegalArgumentException e) {
    548             Slog.w(TAG, "Unable to read condition xml", e);
    549             return null;
    550         }
    551     }
    552 
    553     public static void writeConditionXml(Condition c, XmlSerializer out) throws IOException {
    554         out.attribute(null, CONDITION_ATT_ID, c.id.toString());
    555         out.attribute(null, CONDITION_ATT_SUMMARY, c.summary);
    556         out.attribute(null, CONDITION_ATT_LINE1, c.line1);
    557         out.attribute(null, CONDITION_ATT_LINE2, c.line2);
    558         out.attribute(null, CONDITION_ATT_ICON, Integer.toString(c.icon));
    559         out.attribute(null, CONDITION_ATT_STATE, Integer.toString(c.state));
    560         out.attribute(null, CONDITION_ATT_FLAGS, Integer.toString(c.flags));
    561     }
    562 
    563     public static boolean isValidHour(int val) {
    564         return val >= 0 && val < 24;
    565     }
    566 
    567     public static boolean isValidMinute(int val) {
    568         return val >= 0 && val < 60;
    569     }
    570 
    571     private static boolean isValidSource(int source) {
    572         return source >= SOURCE_ANYONE && source <= MAX_SOURCE;
    573     }
    574 
    575     private static boolean safeBoolean(XmlPullParser parser, String att, boolean defValue) {
    576         final String val = parser.getAttributeValue(null, att);
    577         return safeBoolean(val, defValue);
    578     }
    579 
    580     private static boolean safeBoolean(String val, boolean defValue) {
    581         if (TextUtils.isEmpty(val)) return defValue;
    582         return Boolean.valueOf(val);
    583     }
    584 
    585     private static int safeInt(XmlPullParser parser, String att, int defValue) {
    586         final String val = parser.getAttributeValue(null, att);
    587         return tryParseInt(val, defValue);
    588     }
    589 
    590     private static ComponentName safeComponentName(XmlPullParser parser, String att) {
    591         final String val = parser.getAttributeValue(null, att);
    592         if (TextUtils.isEmpty(val)) return null;
    593         return ComponentName.unflattenFromString(val);
    594     }
    595 
    596     private static Uri safeUri(XmlPullParser parser, String att) {
    597         final String val = parser.getAttributeValue(null, att);
    598         if (TextUtils.isEmpty(val)) return null;
    599         return Uri.parse(val);
    600     }
    601 
    602     private static long safeLong(XmlPullParser parser, String att, long defValue) {
    603         final String val = parser.getAttributeValue(null, att);
    604         return tryParseLong(val, defValue);
    605     }
    606 
    607     @Override
    608     public int describeContents() {
    609         return 0;
    610     }
    611 
    612     public ZenModeConfig copy() {
    613         final Parcel parcel = Parcel.obtain();
    614         try {
    615             writeToParcel(parcel, 0);
    616             parcel.setDataPosition(0);
    617             return new ZenModeConfig(parcel);
    618         } finally {
    619             parcel.recycle();
    620         }
    621     }
    622 
    623     public static final Parcelable.Creator<ZenModeConfig> CREATOR
    624             = new Parcelable.Creator<ZenModeConfig>() {
    625         @Override
    626         public ZenModeConfig createFromParcel(Parcel source) {
    627             return new ZenModeConfig(source);
    628         }
    629 
    630         @Override
    631         public ZenModeConfig[] newArray(int size) {
    632             return new ZenModeConfig[size];
    633         }
    634     };
    635 
    636     public Policy toNotificationPolicy() {
    637         int priorityCategories = 0;
    638         int priorityCallSenders = Policy.PRIORITY_SENDERS_CONTACTS;
    639         int priorityMessageSenders = Policy.PRIORITY_SENDERS_CONTACTS;
    640         if (allowCalls) {
    641             priorityCategories |= Policy.PRIORITY_CATEGORY_CALLS;
    642         }
    643         if (allowMessages) {
    644             priorityCategories |= Policy.PRIORITY_CATEGORY_MESSAGES;
    645         }
    646         if (allowEvents) {
    647             priorityCategories |= Policy.PRIORITY_CATEGORY_EVENTS;
    648         }
    649         if (allowReminders) {
    650             priorityCategories |= Policy.PRIORITY_CATEGORY_REMINDERS;
    651         }
    652         if (allowRepeatCallers) {
    653             priorityCategories |= Policy.PRIORITY_CATEGORY_REPEAT_CALLERS;
    654         }
    655         int suppressedVisualEffects = 0;
    656         if (!allowWhenScreenOff) {
    657             suppressedVisualEffects |= Policy.SUPPRESSED_EFFECT_SCREEN_OFF;
    658         }
    659         if (!allowWhenScreenOn) {
    660             suppressedVisualEffects |= Policy.SUPPRESSED_EFFECT_SCREEN_ON;
    661         }
    662         priorityCallSenders = sourceToPrioritySenders(allowCallsFrom, priorityCallSenders);
    663         priorityMessageSenders = sourceToPrioritySenders(allowMessagesFrom, priorityMessageSenders);
    664         return new Policy(priorityCategories, priorityCallSenders, priorityMessageSenders,
    665                 suppressedVisualEffects);
    666     }
    667 
    668     private static int sourceToPrioritySenders(int source, int def) {
    669         switch (source) {
    670             case SOURCE_ANYONE: return Policy.PRIORITY_SENDERS_ANY;
    671             case SOURCE_CONTACT: return Policy.PRIORITY_SENDERS_CONTACTS;
    672             case SOURCE_STAR: return Policy.PRIORITY_SENDERS_STARRED;
    673             default: return def;
    674         }
    675     }
    676 
    677     private static int prioritySendersToSource(int prioritySenders, int def) {
    678         switch (prioritySenders) {
    679             case Policy.PRIORITY_SENDERS_CONTACTS: return SOURCE_CONTACT;
    680             case Policy.PRIORITY_SENDERS_STARRED: return SOURCE_STAR;
    681             case Policy.PRIORITY_SENDERS_ANY: return SOURCE_ANYONE;
    682             default: return def;
    683         }
    684     }
    685 
    686     public void applyNotificationPolicy(Policy policy) {
    687         if (policy == null) return;
    688         allowCalls = (policy.priorityCategories & Policy.PRIORITY_CATEGORY_CALLS) != 0;
    689         allowMessages = (policy.priorityCategories & Policy.PRIORITY_CATEGORY_MESSAGES) != 0;
    690         allowEvents = (policy.priorityCategories & Policy.PRIORITY_CATEGORY_EVENTS) != 0;
    691         allowReminders = (policy.priorityCategories & Policy.PRIORITY_CATEGORY_REMINDERS) != 0;
    692         allowRepeatCallers = (policy.priorityCategories & Policy.PRIORITY_CATEGORY_REPEAT_CALLERS)
    693                 != 0;
    694         allowCallsFrom = prioritySendersToSource(policy.priorityCallSenders, allowCallsFrom);
    695         allowMessagesFrom = prioritySendersToSource(policy.priorityMessageSenders,
    696                 allowMessagesFrom);
    697         if (policy.suppressedVisualEffects != Policy.SUPPRESSED_EFFECTS_UNSET) {
    698             allowWhenScreenOff =
    699                     (policy.suppressedVisualEffects & Policy.SUPPRESSED_EFFECT_SCREEN_OFF) == 0;
    700             allowWhenScreenOn =
    701                     (policy.suppressedVisualEffects & Policy.SUPPRESSED_EFFECT_SCREEN_ON) == 0;
    702         }
    703     }
    704 
    705     public static Condition toTimeCondition(Context context, int minutesFromNow, int userHandle) {
    706         return toTimeCondition(context, minutesFromNow, userHandle, false /*shortVersion*/);
    707     }
    708 
    709     public static Condition toTimeCondition(Context context, int minutesFromNow, int userHandle,
    710             boolean shortVersion) {
    711         final long now = System.currentTimeMillis();
    712         final long millis = minutesFromNow == 0 ? ZERO_VALUE_MS : minutesFromNow * MINUTES_MS;
    713         return toTimeCondition(context, now + millis, minutesFromNow, userHandle, shortVersion);
    714     }
    715 
    716     public static Condition toTimeCondition(Context context, long time, int minutes,
    717             int userHandle, boolean shortVersion) {
    718         final int num;
    719         String summary, line1, line2;
    720         final CharSequence formattedTime = getFormattedTime(context, time, userHandle);
    721         final Resources res = context.getResources();
    722         if (minutes < 60) {
    723             // display as minutes
    724             num = minutes;
    725             int summaryResId = shortVersion ? R.plurals.zen_mode_duration_minutes_summary_short
    726                     : R.plurals.zen_mode_duration_minutes_summary;
    727             summary = res.getQuantityString(summaryResId, num, num, formattedTime);
    728             int line1ResId = shortVersion ? R.plurals.zen_mode_duration_minutes_short
    729                     : R.plurals.zen_mode_duration_minutes;
    730             line1 = res.getQuantityString(line1ResId, num, num, formattedTime);
    731             line2 = res.getString(R.string.zen_mode_until, formattedTime);
    732         } else if (minutes < DAY_MINUTES) {
    733             // display as hours
    734             num =  Math.round(minutes / 60f);
    735             int summaryResId = shortVersion ? R.plurals.zen_mode_duration_hours_summary_short
    736                     : R.plurals.zen_mode_duration_hours_summary;
    737             summary = res.getQuantityString(summaryResId, num, num, formattedTime);
    738             int line1ResId = shortVersion ? R.plurals.zen_mode_duration_hours_short
    739                     : R.plurals.zen_mode_duration_hours;
    740             line1 = res.getQuantityString(line1ResId, num, num, formattedTime);
    741             line2 = res.getString(R.string.zen_mode_until, formattedTime);
    742         } else {
    743             // display as day/time
    744             summary = line1 = line2 = res.getString(R.string.zen_mode_until, formattedTime);
    745         }
    746         final Uri id = toCountdownConditionId(time);
    747         return new Condition(id, summary, line1, line2, 0, Condition.STATE_TRUE,
    748                 Condition.FLAG_RELEVANT_NOW);
    749     }
    750 
    751     public static Condition toNextAlarmCondition(Context context, long now, long alarm,
    752             int userHandle) {
    753         final CharSequence formattedTime = getFormattedTime(context, alarm, userHandle);
    754         final Resources res = context.getResources();
    755         final String line1 = res.getString(R.string.zen_mode_alarm, formattedTime);
    756         final Uri id = toCountdownConditionId(alarm);
    757         return new Condition(id, "", line1, "", 0, Condition.STATE_TRUE,
    758                 Condition.FLAG_RELEVANT_NOW);
    759     }
    760 
    761     private static CharSequence getFormattedTime(Context context, long time, int userHandle) {
    762         String skeleton = "EEE " + (DateFormat.is24HourFormat(context, userHandle) ? "Hm" : "hma");
    763         GregorianCalendar now = new GregorianCalendar();
    764         GregorianCalendar endTime = new GregorianCalendar();
    765         endTime.setTimeInMillis(time);
    766         if (now.get(Calendar.YEAR) == endTime.get(Calendar.YEAR)
    767                 && now.get(Calendar.MONTH) == endTime.get(Calendar.MONTH)
    768                 && now.get(Calendar.DATE) == endTime.get(Calendar.DATE)) {
    769             skeleton = DateFormat.is24HourFormat(context, userHandle) ? "Hm" : "hma";
    770         }
    771         final String pattern = DateFormat.getBestDateTimePattern(Locale.getDefault(), skeleton);
    772         return DateFormat.format(pattern, time);
    773     }
    774 
    775     // ==== Built-in system conditions ====
    776 
    777     public static final String SYSTEM_AUTHORITY = "android";
    778 
    779     // ==== Built-in system condition: countdown ====
    780 
    781     public static final String COUNTDOWN_PATH = "countdown";
    782 
    783     public static Uri toCountdownConditionId(long time) {
    784         return new Uri.Builder().scheme(Condition.SCHEME)
    785                 .authority(SYSTEM_AUTHORITY)
    786                 .appendPath(COUNTDOWN_PATH)
    787                 .appendPath(Long.toString(time))
    788                 .build();
    789     }
    790 
    791     public static long tryParseCountdownConditionId(Uri conditionId) {
    792         if (!Condition.isValidId(conditionId, SYSTEM_AUTHORITY)) return 0;
    793         if (conditionId.getPathSegments().size() != 2
    794                 || !COUNTDOWN_PATH.equals(conditionId.getPathSegments().get(0))) return 0;
    795         try {
    796             return Long.parseLong(conditionId.getPathSegments().get(1));
    797         } catch (RuntimeException e) {
    798             Slog.w(TAG, "Error parsing countdown condition: " + conditionId, e);
    799             return 0;
    800         }
    801     }
    802 
    803     public static boolean isValidCountdownConditionId(Uri conditionId) {
    804         return tryParseCountdownConditionId(conditionId) != 0;
    805     }
    806 
    807     // ==== Built-in system condition: schedule ====
    808 
    809     public static final String SCHEDULE_PATH = "schedule";
    810 
    811     public static Uri toScheduleConditionId(ScheduleInfo schedule) {
    812         return new Uri.Builder().scheme(Condition.SCHEME)
    813                 .authority(SYSTEM_AUTHORITY)
    814                 .appendPath(SCHEDULE_PATH)
    815                 .appendQueryParameter("days", toDayList(schedule.days))
    816                 .appendQueryParameter("start", schedule.startHour + "." + schedule.startMinute)
    817                 .appendQueryParameter("end", schedule.endHour + "." + schedule.endMinute)
    818                 .appendQueryParameter("exitAtAlarm", String.valueOf(schedule.exitAtAlarm))
    819                 .build();
    820     }
    821 
    822     public static boolean isValidScheduleConditionId(Uri conditionId) {
    823         return tryParseScheduleConditionId(conditionId) != null;
    824     }
    825 
    826     public static ScheduleInfo tryParseScheduleConditionId(Uri conditionId) {
    827         final boolean isSchedule =  conditionId != null
    828                 && conditionId.getScheme().equals(Condition.SCHEME)
    829                 && conditionId.getAuthority().equals(ZenModeConfig.SYSTEM_AUTHORITY)
    830                 && conditionId.getPathSegments().size() == 1
    831                 && conditionId.getPathSegments().get(0).equals(ZenModeConfig.SCHEDULE_PATH);
    832         if (!isSchedule) return null;
    833         final int[] start = tryParseHourAndMinute(conditionId.getQueryParameter("start"));
    834         final int[] end = tryParseHourAndMinute(conditionId.getQueryParameter("end"));
    835         if (start == null || end == null) return null;
    836         final ScheduleInfo rt = new ScheduleInfo();
    837         rt.days = tryParseDayList(conditionId.getQueryParameter("days"), "\\.");
    838         rt.startHour = start[0];
    839         rt.startMinute = start[1];
    840         rt.endHour = end[0];
    841         rt.endMinute = end[1];
    842         rt.exitAtAlarm = safeBoolean(conditionId.getQueryParameter("exitAtAlarm"), false);
    843         return rt;
    844     }
    845 
    846     public static ComponentName getScheduleConditionProvider() {
    847         return new ComponentName(SYSTEM_AUTHORITY, "ScheduleConditionProvider");
    848     }
    849 
    850     public static class ScheduleInfo {
    851         public int[] days;
    852         public int startHour;
    853         public int startMinute;
    854         public int endHour;
    855         public int endMinute;
    856         public boolean exitAtAlarm;
    857         public long nextAlarm;
    858 
    859         @Override
    860         public int hashCode() {
    861             return 0;
    862         }
    863 
    864         @Override
    865         public boolean equals(Object o) {
    866             if (!(o instanceof ScheduleInfo)) return false;
    867             final ScheduleInfo other = (ScheduleInfo) o;
    868             return toDayList(days).equals(toDayList(other.days))
    869                     && startHour == other.startHour
    870                     && startMinute == other.startMinute
    871                     && endHour == other.endHour
    872                     && endMinute == other.endMinute
    873                     && exitAtAlarm == other.exitAtAlarm;
    874         }
    875 
    876         public ScheduleInfo copy() {
    877             final ScheduleInfo rt = new ScheduleInfo();
    878             if (days != null) {
    879                 rt.days = new int[days.length];
    880                 System.arraycopy(days, 0, rt.days, 0, days.length);
    881             }
    882             rt.startHour = startHour;
    883             rt.startMinute = startMinute;
    884             rt.endHour = endHour;
    885             rt.endMinute = endMinute;
    886             rt.exitAtAlarm = exitAtAlarm;
    887             rt.nextAlarm = nextAlarm;
    888             return rt;
    889         }
    890 
    891         @Override
    892         public String toString() {
    893             return "ScheduleInfo{" +
    894                     "days=" + Arrays.toString(days) +
    895                     ", startHour=" + startHour +
    896                     ", startMinute=" + startMinute +
    897                     ", endHour=" + endHour +
    898                     ", endMinute=" + endMinute +
    899                     ", exitAtAlarm=" + exitAtAlarm +
    900                     ", nextAlarm=" + ts(nextAlarm) +
    901                     '}';
    902         }
    903 
    904         protected static String ts(long time) {
    905             return new Date(time) + " (" + time + ")";
    906         }
    907     }
    908 
    909     // ==== Built-in system condition: event ====
    910 
    911     public static final String EVENT_PATH = "event";
    912 
    913     public static Uri toEventConditionId(EventInfo event) {
    914         return new Uri.Builder().scheme(Condition.SCHEME)
    915                 .authority(SYSTEM_AUTHORITY)
    916                 .appendPath(EVENT_PATH)
    917                 .appendQueryParameter("userId", Long.toString(event.userId))
    918                 .appendQueryParameter("calendar", event.calendar != null ? event.calendar : "")
    919                 .appendQueryParameter("reply", Integer.toString(event.reply))
    920                 .build();
    921     }
    922 
    923     public static boolean isValidEventConditionId(Uri conditionId) {
    924         return tryParseEventConditionId(conditionId) != null;
    925     }
    926 
    927     public static EventInfo tryParseEventConditionId(Uri conditionId) {
    928         final boolean isEvent = conditionId != null
    929                 && conditionId.getScheme().equals(Condition.SCHEME)
    930                 && conditionId.getAuthority().equals(ZenModeConfig.SYSTEM_AUTHORITY)
    931                 && conditionId.getPathSegments().size() == 1
    932                 && conditionId.getPathSegments().get(0).equals(EVENT_PATH);
    933         if (!isEvent) return null;
    934         final EventInfo rt = new EventInfo();
    935         rt.userId = tryParseInt(conditionId.getQueryParameter("userId"), UserHandle.USER_NULL);
    936         rt.calendar = conditionId.getQueryParameter("calendar");
    937         if (TextUtils.isEmpty(rt.calendar) || tryParseLong(rt.calendar, -1L) != -1L) {
    938             rt.calendar = null;
    939         }
    940         rt.reply = tryParseInt(conditionId.getQueryParameter("reply"), 0);
    941         return rt;
    942     }
    943 
    944     public static ComponentName getEventConditionProvider() {
    945         return new ComponentName(SYSTEM_AUTHORITY, "EventConditionProvider");
    946     }
    947 
    948     public static class EventInfo {
    949         public static final int REPLY_ANY_EXCEPT_NO = 0;
    950         public static final int REPLY_YES_OR_MAYBE = 1;
    951         public static final int REPLY_YES = 2;
    952 
    953         public int userId = UserHandle.USER_NULL;  // USER_NULL = unspecified - use current user
    954         public String calendar;  // CalendarContract.Calendars.OWNER_ACCOUNT, or null for any
    955         public int reply;
    956 
    957         @Override
    958         public int hashCode() {
    959             return 0;
    960         }
    961 
    962         @Override
    963         public boolean equals(Object o) {
    964             if (!(o instanceof EventInfo)) return false;
    965             final EventInfo other = (EventInfo) o;
    966             return userId == other.userId
    967                     && Objects.equals(calendar, other.calendar)
    968                     && reply == other.reply;
    969         }
    970 
    971         public EventInfo copy() {
    972             final EventInfo rt = new EventInfo();
    973             rt.userId = userId;
    974             rt.calendar = calendar;
    975             rt.reply = reply;
    976             return rt;
    977         }
    978 
    979         public static int resolveUserId(int userId) {
    980             return userId == UserHandle.USER_NULL ? ActivityManager.getCurrentUser() : userId;
    981         }
    982     }
    983 
    984     // ==== End built-in system conditions ====
    985 
    986     private static int[] tryParseHourAndMinute(String value) {
    987         if (TextUtils.isEmpty(value)) return null;
    988         final int i = value.indexOf('.');
    989         if (i < 1 || i >= value.length() - 1) return null;
    990         final int hour = tryParseInt(value.substring(0, i), -1);
    991         final int minute = tryParseInt(value.substring(i + 1), -1);
    992         return isValidHour(hour) && isValidMinute(minute) ? new int[] { hour, minute } : null;
    993     }
    994 
    995     private static int tryParseZenMode(String value, int defValue) {
    996         final int rt = tryParseInt(value, defValue);
    997         return Global.isValidZenMode(rt) ? rt : defValue;
    998     }
    999 
   1000     public static String newRuleId() {
   1001         return UUID.randomUUID().toString().replace("-", "");
   1002     }
   1003 
   1004     private static String getOwnerCaption(Context context, String owner) {
   1005         final PackageManager pm = context.getPackageManager();
   1006         try {
   1007             final ApplicationInfo info = pm.getApplicationInfo(owner, 0);
   1008             if (info != null) {
   1009                 final CharSequence seq = info.loadLabel(pm);
   1010                 if (seq != null) {
   1011                     final String str = seq.toString().trim();
   1012                     if (str.length() > 0) {
   1013                         return str;
   1014                     }
   1015                 }
   1016             }
   1017         } catch (Throwable e) {
   1018             Slog.w(TAG, "Error loading owner caption", e);
   1019         }
   1020         return "";
   1021     }
   1022 
   1023     public static String getConditionSummary(Context context, ZenModeConfig config,
   1024             int userHandle, boolean shortVersion) {
   1025         return getConditionLine(context, config, userHandle, false /*useLine1*/, shortVersion);
   1026     }
   1027 
   1028     private static String getConditionLine(Context context, ZenModeConfig config,
   1029             int userHandle, boolean useLine1, boolean shortVersion) {
   1030         if (config == null) return "";
   1031         String summary = "";
   1032         if (config.manualRule != null) {
   1033             final Uri id = config.manualRule.conditionId;
   1034             if (config.manualRule.enabler != null) {
   1035                 summary = getOwnerCaption(context, config.manualRule.enabler);
   1036             } else {
   1037                 if (id == null) {
   1038                     summary = context.getString(com.android.internal.R.string.zen_mode_forever);
   1039                 } else {
   1040                     final long time = tryParseCountdownConditionId(id);
   1041                     Condition c = config.manualRule.condition;
   1042                     if (time > 0) {
   1043                         final long now = System.currentTimeMillis();
   1044                         final long span = time - now;
   1045                         c = toTimeCondition(context, time, Math.round(span / (float) MINUTES_MS),
   1046                                 userHandle, shortVersion);
   1047                     }
   1048                     final String rt = c == null ? "" : useLine1 ? c.line1 : c.summary;
   1049                     summary = TextUtils.isEmpty(rt) ? "" : rt;
   1050                 }
   1051             }
   1052         }
   1053         for (ZenRule automaticRule : config.automaticRules.values()) {
   1054             if (automaticRule.isAutomaticActive()) {
   1055                 if (summary.isEmpty()) {
   1056                     summary = automaticRule.name;
   1057                 } else {
   1058                     summary = context.getResources()
   1059                             .getString(R.string.zen_mode_rule_name_combination, summary,
   1060                                     automaticRule.name);
   1061                 }
   1062 
   1063             }
   1064         }
   1065         return summary;
   1066     }
   1067 
   1068     public static class ZenRule implements Parcelable {
   1069         public boolean enabled;
   1070         public boolean snoozing;         // user manually disabled this instance
   1071         public String name;              // required for automatic
   1072         public int zenMode;
   1073         public Uri conditionId;          // required for automatic
   1074         public Condition condition;      // optional
   1075         public ComponentName component;  // optional
   1076         public String id;                // required for automatic (unique)
   1077         public long creationTime;        // required for automatic
   1078         public String enabler;          // package name, only used for manual rules.
   1079 
   1080         public ZenRule() { }
   1081 
   1082         public ZenRule(Parcel source) {
   1083             enabled = source.readInt() == 1;
   1084             snoozing = source.readInt() == 1;
   1085             if (source.readInt() == 1) {
   1086                 name = source.readString();
   1087             }
   1088             zenMode = source.readInt();
   1089             conditionId = source.readParcelable(null);
   1090             condition = source.readParcelable(null);
   1091             component = source.readParcelable(null);
   1092             if (source.readInt() == 1) {
   1093                 id = source.readString();
   1094             }
   1095             creationTime = source.readLong();
   1096             if (source.readInt() == 1) {
   1097                 enabler = source.readString();
   1098             }
   1099         }
   1100 
   1101         @Override
   1102         public int describeContents() {
   1103             return 0;
   1104         }
   1105 
   1106         @Override
   1107         public void writeToParcel(Parcel dest, int flags) {
   1108             dest.writeInt(enabled ? 1 : 0);
   1109             dest.writeInt(snoozing ? 1 : 0);
   1110             if (name != null) {
   1111                 dest.writeInt(1);
   1112                 dest.writeString(name);
   1113             } else {
   1114                 dest.writeInt(0);
   1115             }
   1116             dest.writeInt(zenMode);
   1117             dest.writeParcelable(conditionId, 0);
   1118             dest.writeParcelable(condition, 0);
   1119             dest.writeParcelable(component, 0);
   1120             if (id != null) {
   1121                 dest.writeInt(1);
   1122                 dest.writeString(id);
   1123             } else {
   1124                 dest.writeInt(0);
   1125             }
   1126             dest.writeLong(creationTime);
   1127             if (enabler != null) {
   1128                 dest.writeInt(1);
   1129                 dest.writeString(enabler);
   1130             } else {
   1131                 dest.writeInt(0);
   1132             }
   1133         }
   1134 
   1135         @Override
   1136         public String toString() {
   1137             return new StringBuilder(ZenRule.class.getSimpleName()).append('[')
   1138                     .append("enabled=").append(enabled)
   1139                     .append(",snoozing=").append(snoozing)
   1140                     .append(",name=").append(name)
   1141                     .append(",zenMode=").append(Global.zenModeToString(zenMode))
   1142                     .append(",conditionId=").append(conditionId)
   1143                     .append(",condition=").append(condition)
   1144                     .append(",component=").append(component)
   1145                     .append(",id=").append(id)
   1146                     .append(",creationTime=").append(creationTime)
   1147                     .append(",enabler=").append(enabler)
   1148                     .append(']').toString();
   1149         }
   1150 
   1151         private static void appendDiff(Diff d, String item, ZenRule from, ZenRule to) {
   1152             if (d == null) return;
   1153             if (from == null) {
   1154                 if (to != null) {
   1155                     d.addLine(item, "insert");
   1156                 }
   1157                 return;
   1158             }
   1159             from.appendDiff(d, item, to);
   1160         }
   1161 
   1162         private void appendDiff(Diff d, String item, ZenRule to) {
   1163             if (to == null) {
   1164                 d.addLine(item, "delete");
   1165                 return;
   1166             }
   1167             if (enabled != to.enabled) {
   1168                 d.addLine(item, "enabled", enabled, to.enabled);
   1169             }
   1170             if (snoozing != to.snoozing) {
   1171                 d.addLine(item, "snoozing", snoozing, to.snoozing);
   1172             }
   1173             if (!Objects.equals(name, to.name)) {
   1174                 d.addLine(item, "name", name, to.name);
   1175             }
   1176             if (zenMode != to.zenMode) {
   1177                 d.addLine(item, "zenMode", zenMode, to.zenMode);
   1178             }
   1179             if (!Objects.equals(conditionId, to.conditionId)) {
   1180                 d.addLine(item, "conditionId", conditionId, to.conditionId);
   1181             }
   1182             if (!Objects.equals(condition, to.condition)) {
   1183                 d.addLine(item, "condition", condition, to.condition);
   1184             }
   1185             if (!Objects.equals(component, to.component)) {
   1186                 d.addLine(item, "component", component, to.component);
   1187             }
   1188             if (!Objects.equals(id, to.id)) {
   1189                 d.addLine(item, "id", id, to.id);
   1190             }
   1191             if (creationTime != to.creationTime) {
   1192                 d.addLine(item, "creationTime", creationTime, to.creationTime);
   1193             }
   1194             if (enabler != to.enabler) {
   1195                 d.addLine(item, "enabler", enabler, to.enabler);
   1196             }
   1197         }
   1198 
   1199         @Override
   1200         public boolean equals(Object o) {
   1201             if (!(o instanceof ZenRule)) return false;
   1202             if (o == this) return true;
   1203             final ZenRule other = (ZenRule) o;
   1204             return other.enabled == enabled
   1205                     && other.snoozing == snoozing
   1206                     && Objects.equals(other.name, name)
   1207                     && other.zenMode == zenMode
   1208                     && Objects.equals(other.conditionId, conditionId)
   1209                     && Objects.equals(other.condition, condition)
   1210                     && Objects.equals(other.component, component)
   1211                     && Objects.equals(other.id, id)
   1212                     && other.creationTime == creationTime
   1213                     && Objects.equals(other.enabler, enabler);
   1214         }
   1215 
   1216         @Override
   1217         public int hashCode() {
   1218             return Objects.hash(enabled, snoozing, name, zenMode, conditionId, condition,
   1219                     component, id, creationTime, enabler);
   1220         }
   1221 
   1222         public boolean isAutomaticActive() {
   1223             return enabled && !snoozing && component != null && isTrueOrUnknown();
   1224         }
   1225 
   1226         public boolean isTrueOrUnknown() {
   1227             return condition != null && (condition.state == Condition.STATE_TRUE
   1228                     || condition.state == Condition.STATE_UNKNOWN);
   1229         }
   1230 
   1231         public static final Parcelable.Creator<ZenRule> CREATOR
   1232                 = new Parcelable.Creator<ZenRule>() {
   1233             @Override
   1234             public ZenRule createFromParcel(Parcel source) {
   1235                 return new ZenRule(source);
   1236             }
   1237             @Override
   1238             public ZenRule[] newArray(int size) {
   1239                 return new ZenRule[size];
   1240             }
   1241         };
   1242     }
   1243 
   1244     // Legacy config
   1245     public static final class XmlV1 {
   1246         public static final String SLEEP_MODE_NIGHTS = "nights";
   1247         public static final String SLEEP_MODE_WEEKNIGHTS = "weeknights";
   1248         public static final String SLEEP_MODE_DAYS_PREFIX = "days:";
   1249 
   1250         private static final String EXIT_CONDITION_TAG = "exitCondition";
   1251         private static final String EXIT_CONDITION_ATT_COMPONENT = "component";
   1252         private static final String SLEEP_TAG = "sleep";
   1253         private static final String SLEEP_ATT_MODE = "mode";
   1254         private static final String SLEEP_ATT_NONE = "none";
   1255 
   1256         private static final String SLEEP_ATT_START_HR = "startHour";
   1257         private static final String SLEEP_ATT_START_MIN = "startMin";
   1258         private static final String SLEEP_ATT_END_HR = "endHour";
   1259         private static final String SLEEP_ATT_END_MIN = "endMin";
   1260 
   1261         public boolean allowCalls;
   1262         public boolean allowMessages;
   1263         public boolean allowReminders = DEFAULT_ALLOW_REMINDERS;
   1264         public boolean allowEvents = DEFAULT_ALLOW_EVENTS;
   1265         public int allowFrom = SOURCE_ANYONE;
   1266 
   1267         public String sleepMode;     // nights, weeknights, days:1,2,3  Calendar.days
   1268         public int sleepStartHour;   // 0-23
   1269         public int sleepStartMinute; // 0-59
   1270         public int sleepEndHour;
   1271         public int sleepEndMinute;
   1272         public boolean sleepNone;    // false = priority, true = none
   1273         public ComponentName[] conditionComponents;
   1274         public Uri[] conditionIds;
   1275         public Condition exitCondition;  // manual exit condition
   1276         public ComponentName exitConditionComponent;  // manual exit condition component
   1277 
   1278         private static boolean isValidSleepMode(String sleepMode) {
   1279             return sleepMode == null || sleepMode.equals(SLEEP_MODE_NIGHTS)
   1280                     || sleepMode.equals(SLEEP_MODE_WEEKNIGHTS) || tryParseDays(sleepMode) != null;
   1281         }
   1282 
   1283         public static int[] tryParseDays(String sleepMode) {
   1284             if (sleepMode == null) return null;
   1285             sleepMode = sleepMode.trim();
   1286             if (SLEEP_MODE_NIGHTS.equals(sleepMode)) return ALL_DAYS;
   1287             if (SLEEP_MODE_WEEKNIGHTS.equals(sleepMode)) return WEEKNIGHT_DAYS;
   1288             if (!sleepMode.startsWith(SLEEP_MODE_DAYS_PREFIX)) return null;
   1289             if (sleepMode.equals(SLEEP_MODE_DAYS_PREFIX)) return null;
   1290             return tryParseDayList(sleepMode.substring(SLEEP_MODE_DAYS_PREFIX.length()), ",");
   1291         }
   1292 
   1293         public static XmlV1 readXml(XmlPullParser parser)
   1294                 throws XmlPullParserException, IOException {
   1295             int type;
   1296             String tag;
   1297             XmlV1 rt = new XmlV1();
   1298             final ArrayList<ComponentName> conditionComponents = new ArrayList<ComponentName>();
   1299             final ArrayList<Uri> conditionIds = new ArrayList<Uri>();
   1300             while ((type = parser.next()) != XmlPullParser.END_DOCUMENT) {
   1301                 tag = parser.getName();
   1302                 if (type == XmlPullParser.END_TAG && ZEN_TAG.equals(tag)) {
   1303                     if (!conditionComponents.isEmpty()) {
   1304                         rt.conditionComponents = conditionComponents
   1305                                 .toArray(new ComponentName[conditionComponents.size()]);
   1306                         rt.conditionIds = conditionIds.toArray(new Uri[conditionIds.size()]);
   1307                     }
   1308                     return rt;
   1309                 }
   1310                 if (type == XmlPullParser.START_TAG) {
   1311                     if (ALLOW_TAG.equals(tag)) {
   1312                         rt.allowCalls = safeBoolean(parser, ALLOW_ATT_CALLS, false);
   1313                         rt.allowMessages = safeBoolean(parser, ALLOW_ATT_MESSAGES, false);
   1314                         rt.allowReminders = safeBoolean(parser, ALLOW_ATT_REMINDERS,
   1315                                 DEFAULT_ALLOW_REMINDERS);
   1316                         rt.allowEvents = safeBoolean(parser, ALLOW_ATT_EVENTS,
   1317                                 DEFAULT_ALLOW_EVENTS);
   1318                         rt.allowFrom = safeInt(parser, ALLOW_ATT_FROM, SOURCE_ANYONE);
   1319                         if (rt.allowFrom < SOURCE_ANYONE || rt.allowFrom > MAX_SOURCE) {
   1320                             throw new IndexOutOfBoundsException("bad source in config:"
   1321                                     + rt.allowFrom);
   1322                         }
   1323                     } else if (SLEEP_TAG.equals(tag)) {
   1324                         final String mode = parser.getAttributeValue(null, SLEEP_ATT_MODE);
   1325                         rt.sleepMode = isValidSleepMode(mode)? mode : null;
   1326                         rt.sleepNone = safeBoolean(parser, SLEEP_ATT_NONE, false);
   1327                         final int startHour = safeInt(parser, SLEEP_ATT_START_HR, 0);
   1328                         final int startMinute = safeInt(parser, SLEEP_ATT_START_MIN, 0);
   1329                         final int endHour = safeInt(parser, SLEEP_ATT_END_HR, 0);
   1330                         final int endMinute = safeInt(parser, SLEEP_ATT_END_MIN, 0);
   1331                         rt.sleepStartHour = isValidHour(startHour) ? startHour : 0;
   1332                         rt.sleepStartMinute = isValidMinute(startMinute) ? startMinute : 0;
   1333                         rt.sleepEndHour = isValidHour(endHour) ? endHour : 0;
   1334                         rt.sleepEndMinute = isValidMinute(endMinute) ? endMinute : 0;
   1335                     } else if (CONDITION_TAG.equals(tag)) {
   1336                         final ComponentName component =
   1337                                 safeComponentName(parser, CONDITION_ATT_COMPONENT);
   1338                         final Uri conditionId = safeUri(parser, CONDITION_ATT_ID);
   1339                         if (component != null && conditionId != null) {
   1340                             conditionComponents.add(component);
   1341                             conditionIds.add(conditionId);
   1342                         }
   1343                     } else if (EXIT_CONDITION_TAG.equals(tag)) {
   1344                         rt.exitCondition = readConditionXml(parser);
   1345                         if (rt.exitCondition != null) {
   1346                             rt.exitConditionComponent =
   1347                                     safeComponentName(parser, EXIT_CONDITION_ATT_COMPONENT);
   1348                         }
   1349                     }
   1350                 }
   1351             }
   1352             throw new IllegalStateException("Failed to reach END_DOCUMENT");
   1353         }
   1354     }
   1355 
   1356     public interface Migration {
   1357         ZenModeConfig migrate(XmlV1 v1);
   1358     }
   1359 
   1360     public static class Diff {
   1361         private final ArrayList<String> lines = new ArrayList<>();
   1362 
   1363         @Override
   1364         public String toString() {
   1365             final StringBuilder sb = new StringBuilder("Diff[");
   1366             final int N = lines.size();
   1367             for (int i = 0; i < N; i++) {
   1368                 if (i > 0) {
   1369                     sb.append(',');
   1370                 }
   1371                 sb.append(lines.get(i));
   1372             }
   1373             return sb.append(']').toString();
   1374         }
   1375 
   1376         private Diff addLine(String item, String action) {
   1377             lines.add(item + ":" + action);
   1378             return this;
   1379         }
   1380 
   1381         public Diff addLine(String item, String subitem, Object from, Object to) {
   1382             return addLine(item + "." + subitem, from, to);
   1383         }
   1384 
   1385         public Diff addLine(String item, Object from, Object to) {
   1386             return addLine(item, from + "->" + to);
   1387         }
   1388     }
   1389 
   1390 }
   1391