content: /**
   * Copyright (c) 2014, The Android Open Source Project
   *
   * Licensed under the Apache License,  2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package android.service.notification;
  
  import static android.app.NotificationManager.Policy.SUPPRESSED_EFFECT_FULL_SCREEN_INTENT;
  import static android.app.NotificationManager.Policy.SUPPRESSED_EFFECT_LIGHTS;
  import static android.app.NotificationManager.Policy.SUPPRESSED_EFFECT_PEEK;
  
  import android.annotation.UnsupportedAppUsage;
  import android.app.ActivityManager;
  import android.app.AlarmManager;
  import android.app.NotificationManager;
  import android.app.NotificationManager.Policy;
  import android.content.ComponentName;
  import android.content.Context;
  import android.content.pm.ApplicationInfo;
  import android.content.pm.PackageManager;
  import android.content.res.Resources;
  import android.net.Uri;
  import android.os.Parcel;
  import android.os.Parcelable;
  import android.os.UserHandle;
  import android.provider.Settings.Global;
  import android.text.TextUtils;
  import android.text.format.DateFormat;
  import android.util.ArrayMap;
  import android.util.ArraySet;
  import android.util.Slog;
  import android.util.proto.ProtoOutputStream;
  
  import com.android.internal.R;
  
  import org.xmlpull.v1.XmlPullParser;
  import org.xmlpull.v1.XmlPullParserException;
  import org.xmlpull.v1.XmlSerializer;
  
  import java.io.IOException;
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.Calendar;
  import java.util.Date;
  import java.util.GregorianCalendar;
  import java.util.List;
  import java.util.Locale;
  import java.util.Objects;
  import java.util.TimeZone;
  import java.util.UUID;
  
  /**
   * Persisted configuration for zen mode.
   *
   * @hide
   */
  public class ZenModeConfig implements Parcelable {
      private static String TAG = "ZenModeConfig";
  
      public static final int SOURCE_ANYONE = Policy.PRIORITY_SENDERS_ANY;
      public static final int SOURCE_CONTACT = Policy.PRIORITY_SENDERS_CONTACTS;
      public static final int SOURCE_STAR = Policy.PRIORITY_SENDERS_STARRED;
      public static final int MAX_SOURCE = SOURCE_STAR;
      private static final int DEFAULT_SOURCE = SOURCE_CONTACT;
      private static final int DEFAULT_CALLS_SOURCE = SOURCE_STAR;
  
      public static final String EVENTS_DEFAULT_RULE_ID = "EVENTS_DEFAULT_RULE";
      public static final String EVERY_NIGHT_DEFAULT_RULE_ID = "EVERY_NIGHT_DEFAULT_RULE";
      public static final List<String> DEFAULT_RULE_IDS = Arrays.asList(EVERY_NIGHT_DEFAULT_RULE_ID,
              EVENTS_DEFAULT_RULE_ID);
  
      public static final int[] ALL_DAYS = { Calendar.SUNDAY, Calendar.MONDAY, Calendar.TUESDAY,
              Calendar.WEDNESDAY, Calendar.THURSDAY, Calendar.FRIDAY, Calendar.SATURDAY };
  
      public static final int[] MINUTE_BUCKETS = generateMinuteBuckets();
      private static final int SECONDS_MS = 1000;
      private static final int MINUTES_MS = 60 * SECONDS_MS;
      private static final int DAY_MINUTES = 24 * 60;
      private static final int ZERO_VALUE_MS = 10 * SECONDS_MS;
  
      // Default allow categories set in readXml() from default_zen_mode_config.xml,
      // fallback/upgrade values:
      private static final boolean DEFAULT_ALLOW_ALARMS = true;
      private static final boolean DEFAULT_ALLOW_MEDIA = true;
      private static final boolean DEFAULT_ALLOW_SYSTEM = false;
      private static final boolean DEFAULT_ALLOW_CALLS = true;
      private static final boolean DEFAULT_ALLOW_MESSAGES = false;
      private static final boolean DEFAULT_ALLOW_REMINDERS = false;
      private static final boolean DEFAULT_ALLOW_EVENTS = false;
      private static final boolean DEFAULT_ALLOW_REPEAT_CALLERS = true;
      private static final boolean DEFAULT_CHANNELS_BYPASSING_DND = false;
      private static final int DEFAULT_SUPPRESSED_VISUAL_EFFECTS = 0;
  
      public static final int XML_VERSION = 8;
      public static final String ZEN_TAG = "zen";
      private static final String ZEN_ATT_VERSION = "version";
      private static final String ZEN_ATT_USER = "user";
      private static final String ALLOW_TAG = "allow";
      private static final String ALLOW_ATT_ALARMS = "alarms";
      private static final String ALLOW_ATT_MEDIA = "media";
      private static final String ALLOW_ATT_SYSTEM = "system";
      private static final String ALLOW_ATT_CALLS = "calls";
      private static final String ALLOW_ATT_REPEAT_CALLERS = "repeatCallers";
      private static final String ALLOW_ATT_MESSAGES = "messages";
      private static final String ALLOW_ATT_FROM = "from";
      private static final String ALLOW_ATT_CALLS_FROM = "callsFrom";
      private static final String ALLOW_ATT_MESSAGES_FROM = "messagesFrom";
      private static final String ALLOW_ATT_REMINDERS = "reminders";
      private static final String ALLOW_ATT_EVENTS = "events";
      private static final String ALLOW_ATT_SCREEN_OFF = "visualScreenOff";
      private static final String ALLOW_ATT_SCREEN_ON = "visualScreenOn";
      private static final String DISALLOW_TAG = "disallow";
      private static final String DISALLOW_ATT_VISUAL_EFFECTS = "visualEffects";
      private static final String STATE_TAG = "state";
      private static final String STATE_ATT_CHANNELS_BYPASSING_DND = "areChannelsBypassingDnd";
  
      // zen policy visual effects attributes
      private static final String SHOW_ATT_FULL_SCREEN_INTENT = "showFullScreenIntent";
      private static final String SHOW_ATT_LIGHTS = "showLights";
      private static final String SHOW_ATT_PEEK = "shoePeek";
      private static final String SHOW_ATT_STATUS_BAR_ICONS = "showStatusBarIcons";
      private static final String SHOW_ATT_BADGES = "showBadges";
      private static final String SHOW_ATT_AMBIENT = "showAmbient";
      private static final String SHOW_ATT_NOTIFICATION_LIST = "showNotificationList";
  
      private static final String CONDITION_ATT_ID = "id";
      private static final String CONDITION_ATT_SUMMARY = "summary";
      private static final String CONDITION_ATT_LINE1 = "line1";
      private static final String CONDITION_ATT_LINE2 = "line2";
      private static final String CONDITION_ATT_ICON = "icon";
      private static final String CONDITION_ATT_STATE = "state";
      private static final String CONDITION_ATT_FLAGS = "flags";
  
      private static final String ZEN_POLICY_TAG = "zen_policy";
  
      private static final String MANUAL_TAG = "manual";
      private static final String AUTOMATIC_TAG = "automatic";
  
      private static final String RULE_ATT_ID = "ruleId";
      private static final String RULE_ATT_ENABLED = "enabled";
      private static final String RULE_ATT_SNOOZING = "snoozing";
      private static final String RULE_ATT_NAME = "name";
      private static final String RULE_ATT_COMPONENT = "component";
      private static final String RULE_ATT_CONFIG_ACTIVITY = "configActivity";
      private static final String RULE_ATT_ZEN = "zen";
      private static final String RULE_ATT_CONDITION_ID = "conditionId";
      private static final String RULE_ATT_CREATION_TIME = "creationTime";
      private static final String RULE_ATT_ENABLER = "enabler";
      private static final String RULE_ATT_MODIFIED = "modified";
  
      @UnsupportedAppUsage
      public boolean allowAlarms = DEFAULT_ALLOW_ALARMS;
      public boolean allowMedia = DEFAULT_ALLOW_MEDIA;
      public boolean allowSystem = DEFAULT_ALLOW_SYSTEM;
      public boolean allowCalls = DEFAULT_ALLOW_CALLS;
      public boolean allowRepeatCallers = DEFAULT_ALLOW_REPEAT_CALLERS;
      public boolean allowMessages = DEFAULT_ALLOW_MESSAGES;
      public boolean allowReminders = DEFAULT_ALLOW_REMINDERS;
      public boolean allowEvents = DEFAULT_ALLOW_EVENTS;
      public int allowCallsFrom = DEFAULT_CALLS_SOURCE;
      public int allowMessagesFrom = DEFAULT_SOURCE;
      public int user = UserHandle.USER_SYSTEM;
      public int suppressedVisualEffects = DEFAULT_SUPPRESSED_VISUAL_EFFECTS;
      public boolean areChannelsBypassingDnd = DEFAULT_CHANNELS_BYPASSING_DND;
      public int version;
  
      public ZenRule manualRule;
      @UnsupportedAppUsage
      public ArrayMap<String, ZenRule> automaticRules = new ArrayMap<>();
  
      @UnsupportedAppUsage
      public ZenModeConfig() { }
  
      public ZenModeConfig(Parcel source) {
          allowCalls = source.readInt() == 1;
          allowRepeatCallers = source.readInt() == 1;
          allowMessages = source.readInt() == 1;
          allowReminders = source.readInt() == 1;
          allowEvents = source.readInt() == 1;
          allowCallsFrom = source.readInt();
          allowMessagesFrom = source.readInt();
          user = source.readInt();
          manualRule = source.readParcelable(null);
          final int len = source.readInt();
          if (len > 0) {
              final String[] ids = new String[len];
              final ZenRule[] rules = new ZenRule[len];
              source.readStringArray(ids);
              source.readTypedArray(rules, ZenRule.CREATOR);
              for (int i = 0; i < len; i++) {
                  automaticRules.put(ids[i], rules[i]);
              }
          }
          allowAlarms = source.readInt() == 1;
          allowMedia = source.readInt() == 1;
          allowSystem = source.readInt() == 1;
          suppressedVisualEffects = source.readInt();
          areChannelsBypassingDnd = source.readInt() == 1;
      }
  
      @Override
      public void writeToParcel(Parcel dest, int flags) {
          dest.writeInt(allowCalls ? 1 : 0);
          dest.writeInt(allowRepeatCallers ? 1 : 0);
          dest.writeInt(allowMessages ? 1 : 0);
          dest.writeInt(allowReminders ? 1 : 0);
          dest.writeInt(allowEvents ? 1 : 0);
          dest.writeInt(allowCallsFrom);
          dest.writeInt(allowMessagesFrom);
          dest.writeInt(user);
          dest.writeParcelable(manualRule, 0);
          if (!automaticRules.isEmpty()) {
              final int len = automaticRules.size();
              final String[] ids = new String[len];
              final ZenRule[] rules = new ZenRule[len];
              for (int i = 0; i < len; i++) {
                  ids[i] = automaticRules.keyAt(i);
                  rules[i] = automaticRules.valueAt(i);
              }
              dest.writeInt(len);
              dest.writeStringArray(ids);
              dest.writeTypedArray(rules, 0);
          } else {
              dest.writeInt(0);
          }
          dest.writeInt(allowAlarms ? 1 : 0);
          dest.writeInt(allowMedia ? 1 : 0);
          dest.writeInt(allowSystem ? 1 : 0);
          dest.writeInt(suppressedVisualEffects);
          dest.writeInt(areChannelsBypassingDnd ? 1 : 0);
      }
  
      @Override
      public String toString() {
          return new StringBuilder(ZenModeConfig.class.getSimpleName()).append('[')
                  .append("user=").append(user)
                  .append(",allowAlarms=").append(allowAlarms)
                  .append(",allowMedia=").append(allowMedia)
                  .append(",allowSystem=").append(allowSystem)
                  .append(",allowReminders=").append(allowReminders)
                  .append(",allowEvents=").append(allowEvents)
                  .append(",allowCalls=").append(allowCalls)
                  .append(",allowRepeatCallers=").append(allowRepeatCallers)
                  .append(",allowMessages=").append(allowMessages)
                  .append(",allowCallsFrom=").append(sourceToString(allowCallsFrom))
                  .append(",allowMessagesFrom=").append(sourceToString(allowMessagesFrom))
                  .append(",suppressedVisualEffects=").append(suppressedVisualEffects)
                  .append(",areChannelsBypassingDnd=").append(areChannelsBypassingDnd)
                  .append(",\nautomaticRules=").append(rulesToString())
                  .append(",\nmanualRule=").append(manualRule)
                  .append(']').toString();
      }
  
      private String rulesToString() {
          if (automaticRules.isEmpty()) {
              return "{}";
          }
  
          StringBuilder buffer = new StringBuilder(automaticRules.size() * 28);
          buffer.append('{');
          for (int i = 0; i < automaticRules.size(); i++) {
              if (i > 0) {
                  buffer.append(",\n");
              }
              Object value = automaticRules.valueAt(i);
              buffer.append(value);
          }
          buffer.append('}');
          return buffer.toString();
      }
  
      public Diff diff(ZenModeConfig to) {
          final Diff d = new Diff();
          if (to == null) {
              return d.addLine("config", "delete");
          }
          if (user != to.user) {
              d.addLine("user", user, to.user);
          }
          if (allowAlarms != to.allowAlarms) {
              d.addLine("allowAlarms", allowAlarms, to.allowAlarms);
          }
          if (allowMedia != to.allowMedia) {
              d.addLine("allowMedia", allowMedia, to.allowMedia);
          }
          if (allowSystem != to.allowSystem) {
              d.addLine("allowSystem", allowSystem, to.allowSystem);
          }
          if (allowCalls != to.allowCalls) {
              d.addLine("allowCalls", allowCalls, to.allowCalls);
          }
          if (allowReminders != to.allowReminders) {
              d.addLine("allowReminders", allowReminders, to.allowReminders);
          }
          if (allowEvents != to.allowEvents) {
              d.addLine("allowEvents", allowEvents, to.allowEvents);
          }
          if (allowRepeatCallers != to.allowRepeatCallers) {
              d.addLine("allowRepeatCallers", allowRepeatCallers, to.allowRepeatCallers);
          }
          if (allowMessages != to.allowMessages) {
              d.addLine("allowMessages", allowMessages, to.allowMessages);
          }
          if (allowCallsFrom != to.allowCallsFrom) {
              d.addLine("allowCallsFrom", allowCallsFrom, to.allowCallsFrom);
          }
          if (allowMessagesFrom != to.allowMessagesFrom) {
              d.addLine("allowMessagesFrom", allowMessagesFrom, to.allowMessagesFrom);
          }
          if (suppressedVisualEffects != to.suppressedVisualEffects) {
              d.addLine("suppressedVisualEffects", suppressedVisualEffects,
                      to.suppressedVisualEffects);
          }
          final ArraySet<String> allRules = new ArraySet<>();
          addKeys(allRules, automaticRules);
          addKeys(allRules, to.automaticRules);
          final int N = allRules.size();
          for (int i = 0; i < N; i++) {
              final String rule = allRules.valueAt(i);
              final ZenRule fromRule = automaticRules != null ? automaticRules.get(rule) : null;
              final ZenRule toRule = to.automaticRules != null ? to.automaticRules.get(rule) : null;
              ZenRule.appendDiff(d, "automaticRule[" + rule + "]", fromRule, toRule);
          }
          ZenRule.appendDiff(d, "manualRule", manualRule, to.manualRule);
  
          if (areChannelsBypassingDnd != to.areChannelsBypassingDnd) {
              d.addLine("areChannelsBypassingDnd", areChannelsBypassingDnd,
                      to.areChannelsBypassingDnd);
          }
          return d;
      }
  
      public static Diff diff(ZenModeConfig from, ZenModeConfig to) {
          if (from == null) {
              final Diff d = new Diff();
              if (to != null) {
                  d.addLine("config", "insert");
              }
              return d;
          }
          return from.diff(to);
      }
  
      private static <T> void addKeys(ArraySet<T> set, ArrayMap<T, ?> map) {
          if (map != null) {
              for (int i = 0; i < map.size(); i++) {
                  set.add(map.keyAt(i));
              }
          }
      }
  
      public boolean isValid() {
          if (!isValidManualRule(manualRule)) return false;
          final int N = automaticRules.size();
          for (int i = 0; i < N; i++) {
              if (!isValidAutomaticRule(automaticRules.valueAt(i))) return false;
          }
          return true;
      }
  
      private static boolean isValidManualRule(ZenRule rule) {
          return rule == null || Global.isValidZenMode(rule.zenMode) && sameCondition(rule);
      }
  
      private static boolean isValidAutomaticRule(ZenRule rule) {
          return rule != null && !TextUtils.isEmpty(rule.name) && Global.isValidZenMode(rule.zenMode)
                  && rule.conditionId != null && sameCondition(rule);
      }
  
      private static boolean sameCondition(ZenRule rule) {
          if (rule == null) return false;
          if (rule.conditionId == null) {
              return rule.condition == null;
          } else {
              return rule.condition == null || rule.conditionId.equals(rule.condition.id);
          }
      }
  
      private static int[] generateMinuteBuckets() {
          final int maxHrs = 12;
          final int[] buckets = new int[maxHrs + 3];
          buckets[0] = 15;
          buckets[1] = 30;
          buckets[2] = 45;
          for (int i = 1; i <= maxHrs; i++) {
              buckets[2 + i] = 60 * i;
          }
          return buckets;
      }
  
      public static String sourceToString(int source) {
          switch (source) {
              case SOURCE_ANYONE:
                  return "anyone";
              case SOURCE_CONTACT:
                  return "contacts";
              case SOURCE_STAR:
                  return "stars";
              default:
                  return "UNKNOWN";
          }
      }
  
      @Override
      public boolean equals(Object o) {
          if (!(o instanceof ZenModeConfig)) return false;
          if (o == this) return true;
          final ZenModeConfig other = (ZenModeConfig) o;
          return other.allowAlarms == allowAlarms
                  && other.allowMedia == allowMedia
                  && other.allowSystem == allowSystem
                  && other.allowCalls == allowCalls
                  && other.allowRepeatCallers == allowRepeatCallers
                  && other.allowMessages == allowMessages
                  && other.allowCallsFrom == allowCallsFrom
                  && other.allowMessagesFrom == allowMessagesFrom
                  && other.allowReminders == allowReminders
                  && other.allowEvents == allowEvents
                  && other.user == user
                  && Objects.equals(other.automaticRules, automaticRules)
                  && Objects.equals(other.manualRule, manualRule)
                  && other.suppressedVisualEffects == suppressedVisualEffects
                  && other.areChannelsBypassingDnd == areChannelsBypassingDnd;
      }
  
      @Override
      public int hashCode() {
          return Objects.hash(allowAlarms, allowMedia, allowSystem, allowCalls,
                  allowRepeatCallers, allowMessages,
                  allowCallsFrom, allowMessagesFrom, allowReminders, allowEvents,
                  user, automaticRules, manualRule,
                  suppressedVisualEffects, areChannelsBypassingDnd);
      }
  
      private static String toDayList(int[] days) {
          if (days == null || days.length == 0) return "";
          final StringBuilder sb = new StringBuilder();
          for (int i = 0; i < days.length; i++) {
              if (i > 0) sb.append('.');
              sb.append(days[i]);
          }
          return sb.toString();
      }
  
      private static int[] tryParseDayList(String dayList, String sep) {
          if (dayList == null) return null;
          final String[] tokens = dayList.split(sep);
          if (tokens.length == 0) return null;
          final int[] rt = new int[tokens.length];
          for (int i = 0; i < tokens.length; i++) {
              final int day = tryParseInt(tokens[i], -1);
              if (day == -1) return null;
              rt[i] = day;
          }
          return rt;
      }
  
      private static int tryParseInt(String value, int defValue) {
          if (TextUtils.isEmpty(value)) return defValue;
          try {
              return Integer.parseInt(value);
          } catch (NumberFormatException e) {
              return defValue;
          }
      }
  
      private static long tryParseLong(String value, long defValue) {
          if (TextUtils.isEmpty(value)) return defValue;
          try {
              return Long.parseLong(value);
          } catch (NumberFormatException e) {
              return defValue;
          }
      }
  
      private static Long tryParseLong(String value, Long defValue) {
          if (TextUtils.isEmpty(value)) return defValue;
          try {
              return Long.parseLong(value);
          } catch (NumberFormatException e) {
              return defValue;
          }
      }
  
      public static ZenModeConfig readXml(XmlPullParser parser)
              throws XmlPullParserException, IOException {
          int type = parser.getEventType();
          if (type != XmlPullParser.START_TAG) return null;
          String tag = parser.getName();
          if (!ZEN_TAG.equals(tag)) return null;
          final ZenModeConfig rt = new ZenModeConfig();
          rt.version = safeInt(parser, ZEN_ATT_VERSION, XML_VERSION);
          rt.user = safeInt(parser, ZEN_ATT_USER, rt.user);
          boolean readSuppressedEffects = false;
          while ((type = parser.next()) != XmlPullParser.END_DOCUMENT) {
              tag = parser.getName();
              if (type == XmlPullParser.END_TAG && ZEN_TAG.equals(tag)) {
                  return rt;
              }
              if (type == XmlPullParser.START_TAG) {
                  if (ALLOW_TAG.equals(tag)) {
                      rt.allowCalls = safeBoolean(parser, ALLOW_ATT_CALLS,
                              DEFAULT_ALLOW_CALLS);
                      rt.allowRepeatCallers = safeBoolean(parser, ALLOW_ATT_REPEAT_CALLERS,
                              DEFAULT_ALLOW_REPEAT_CALLERS);
                      rt.allowMessages = safeBoolean(parser, ALLOW_ATT_MESSAGES,
                              DEFAULT_ALLOW_MESSAGES);
                      rt.allowReminders = safeBoolean(parser, ALLOW_ATT_REMINDERS,
                              DEFAULT_ALLOW_REMINDERS);
                      rt.allowEvents = safeBoolean(parser, ALLOW_ATT_EVENTS, DEFAULT_ALLOW_EVENTS);
                      final int from = safeInt(parser, ALLOW_ATT_FROM, -1);
                      final int callsFrom = safeInt(parser, ALLOW_ATT_CALLS_FROM, -1);
                      final int messagesFrom = safeInt(parser, ALLOW_ATT_MESSAGES_FROM, -1);
                      if (isValidSource(callsFrom) && isValidSource(messagesFrom)) {
                          rt.allowCallsFrom = callsFrom;
                          rt.allowMessagesFrom = messagesFrom;
                      } else if (isValidSource(from)) {
                          Slog.i(TAG, "Migrating existing shared 'from': " + sourceToString(from));
                          rt.allowCallsFrom = from;
                          rt.allowMessagesFrom = from;
                      } else {
                          rt.allowCallsFrom = DEFAULT_CALLS_SOURCE;
                          rt.allowMessagesFrom = DEFAULT_SOURCE;
                      }
                      rt.allowAlarms = safeBoolean(parser, ALLOW_ATT_ALARMS, DEFAULT_ALLOW_ALARMS);
                      rt.allowMedia = safeBoolean(parser, ALLOW_ATT_MEDIA,
                              DEFAULT_ALLOW_MEDIA);
                      rt.allowSystem = safeBoolean(parser, ALLOW_ATT_SYSTEM, DEFAULT_ALLOW_SYSTEM);
  
                      // migrate old suppressed visual effects fields, if they still exist in the xml
                      Boolean allowWhenScreenOff = unsafeBoolean(parser, ALLOW_ATT_SCREEN_OFF);
                      if (allowWhenScreenOff != null) {
                          readSuppressedEffects = true;
                          if (!allowWhenScreenOff) {
                              rt.suppressedVisualEffects |= SUPPRESSED_EFFECT_LIGHTS
                                      | SUPPRESSED_EFFECT_FULL_SCREEN_INTENT;
                          }
                      }
                      Boolean allowWhenScreenOn = unsafeBoolean(parser, ALLOW_ATT_SCREEN_ON);
                      if (allowWhenScreenOn != null) {
                          readSuppressedEffects = true;
                          if (!allowWhenScreenOn) {
                              rt.suppressedVisualEffects |= SUPPRESSED_EFFECT_PEEK;
                          }
                      }
                      if (readSuppressedEffects) {
                          Slog.d(TAG, "Migrated visual effects to " + rt.suppressedVisualEffects);
                      }
                  } else if (DISALLOW_TAG.equals(tag) && !readSuppressedEffects) {
                      // only read from suppressed visual effects field if we haven't just migrated
                      // the values from allowOn/allowOff, lest we wipe out those settings
                      rt.suppressedVisualEffects = safeInt(parser, DISALLOW_ATT_VISUAL_EFFECTS,
                              DEFAULT_SUPPRESSED_VISUAL_EFFECTS);
                  } else if (MANUAL_TAG.equals(tag)) {
                      rt.manualRule = readRuleXml(parser);
                  } else if (AUTOMATIC_TAG.equals(tag)) {
                      final String id = parser.getAttributeValue(null, RULE_ATT_ID);
                      final ZenRule automaticRule = readRuleXml(parser);
                      if (id != null && automaticRule != null) {
                          automaticRule.id = id;
                          rt.automaticRules.put(id, automaticRule);
                      }
                  } else if (STATE_TAG.equals(tag)) {
                      rt.areChannelsBypassingDnd = safeBoolean(parser,
                              STATE_ATT_CHANNELS_BYPASSING_DND, DEFAULT_CHANNELS_BYPASSING_DND);
                  }
              }
          }
          throw new IllegalStateException("Failed to reach END_DOCUMENT");
      }
  
      /**
       * Writes XML of current ZenModeConfig
       * @param out serializer
       * @param version uses XML_VERSION if version is null
       * @throws IOException
       */
      public void writeXml(XmlSerializer out, Integer version) throws IOException {
          out.startTag(null, ZEN_TAG);
          out.attribute(null, ZEN_ATT_VERSION, version == null
                  ? Integer.toString(XML_VERSION) : Integer.toString(version));
          out.attribute(null, ZEN_ATT_USER, Integer.toString(user));
          out.startTag(null, ALLOW_TAG);
          out.attribute(null, ALLOW_ATT_CALLS, Boolean.toString(allowCalls));
          out.attribute(null, ALLOW_ATT_REPEAT_CALLERS, Boolean.toString(allowRepeatCallers));
          out.attribute(null, ALLOW_ATT_MESSAGES, Boolean.toString(allowMessages));
          out.attribute(null, ALLOW_ATT_REMINDERS, Boolean.toString(allowReminders));
          out.attribute(null, ALLOW_ATT_EVENTS, Boolean.toString(allowEvents));
          out.attribute(null, ALLOW_ATT_CALLS_FROM, Integer.toString(allowCallsFrom));
          out.attribute(null, ALLOW_ATT_MESSAGES_FROM, Integer.toString(allowMessagesFrom));
          out.attribute(null, ALLOW_ATT_ALARMS, Boolean.toString(allowAlarms));
          out.attribute(null, ALLOW_ATT_MEDIA, Boolean.toString(allowMedia));
          out.attribute(null, ALLOW_ATT_SYSTEM, Boolean.toString(allowSystem));
          out.endTag(null, ALLOW_TAG);
  
          out.startTag(null, DISALLOW_TAG);
          out.attribute(null, DISALLOW_ATT_VISUAL_EFFECTS, Integer.toString(suppressedVisualEffects));
          out.endTag(null, DISALLOW_TAG);
  
          if (manualRule != null) {
              out.startTag(null, MANUAL_TAG);
              writeRuleXml(manualRule, out);
              out.endTag(null, MANUAL_TAG);
          }
          final int N = automaticRules.size();
          for (int i = 0; i < N; i++) {
              final String id = automaticRules.keyAt(i);
              final ZenRule automaticRule = automaticRules.valueAt(i);
              out.startTag(null, AUTOMATIC_TAG);
              out.attribute(null, RULE_ATT_ID, id);
              writeRuleXml(automaticRule, out);
              out.endTag(null, AUTOMATIC_TAG);
          }
  
          out.startTag(null, STATE_TAG);
          out.attribute(null, STATE_ATT_CHANNELS_BYPASSING_DND,
                  Boolean.toString(areChannelsBypassingDnd));
          out.endTag(null, STATE_TAG);
  
          out.endTag(null, ZEN_TAG);
      }
  
      public static ZenRule readRuleXml(XmlPullParser parser) {
          final ZenRule rt = new ZenRule();
          rt.enabled = safeBoolean(parser, RULE_ATT_ENABLED, true);
          rt.name = parser.getAttributeValue(null, RULE_ATT_NAME);
          final String zen = parser.getAttributeValue(null, RULE_ATT_ZEN);
          rt.zenMode = tryParseZenMode(zen, -1);
          if (rt.zenMode == -1) {
              Slog.w(TAG, "Bad zen mode in rule xml:" + zen);
              return null;
          }
          rt.conditionId = safeUri(parser, RULE_ATT_CONDITION_ID);
          rt.component = safeComponentName(parser, RULE_ATT_COMPONENT);
          rt.configurationActivity = safeComponentName(parser, RULE_ATT_CONFIG_ACTIVITY);
          rt.pkg = (rt.component != null)
                  ? rt.component.getPackageName()
                  : (rt.configurationActivity != null)
                          ? rt.configurationActivity.getPackageName()
                          : null;
          rt.creationTime = safeLong(parser, RULE_ATT_CREATION_TIME, 0);
          rt.enabler = parser.getAttributeValue(null, RULE_ATT_ENABLER);
          rt.condition = readConditionXml(parser);
  
          // all default rules and user created rules updated to zenMode important interruptions
          if (rt.zenMode != Global.ZEN_MODE_IMPORTANT_INTERRUPTIONS
                  && Condition.isValidId(rt.conditionId, SYSTEM_AUTHORITY)) {
              Slog.i(TAG, "Updating zenMode of automatic rule " + rt.name);
              rt.zenMode = Global.ZEN_MODE_IMPORTANT_INTERRUPTIONS;
          }
          rt.modified = safeBoolean(parser, RULE_ATT_MODIFIED, false);
          rt.zenPolicy = readZenPolicyXml(parser);
          return rt;
      }
  
      public static void writeRuleXml(ZenRule rule, XmlSerializer out) throws IOException {
          out.attribute(null, RULE_ATT_ENABLED, Boolean.toString(rule.enabled));
          if (rule.name != null) {
              out.attribute(null, RULE_ATT_NAME, rule.name);
          }
          out.attribute(null, RULE_ATT_ZEN, Integer.toString(rule.zenMode));
          if (rule.component != null) {
              out.attribute(null, RULE_ATT_COMPONENT, rule.component.flattenToString());
          }
          if (rule.configurationActivity != null) {
              out.attribute(null, RULE_ATT_CONFIG_ACTIVITY,
                      rule.configurationActivity.flattenToString());
          }
          if (rule.conditionId != null) {
              out.attribute(null, RULE_ATT_CONDITION_ID, rule.conditionId.toString());
          }
          out.attribute(null, RULE_ATT_CREATION_TIME, Long.toString(rule.creationTime));
          if (rule.enabler != null) {
              out.attribute(null, RULE_ATT_ENABLER, rule.enabler);
          }
          if (rule.condition != null) {
              writeConditionXml(rule.condition, out);
          }
          if (rule.zenPolicy != null) {
              writeZenPolicyXml(rule.zenPolicy, out);
          }
          out.attribute(null, RULE_ATT_MODIFIED, Boolean.toString(rule.modified));
      }
  
      public static Condition readConditionXml(XmlPullParser parser) {
          final Uri id = safeUri(parser, CONDITION_ATT_ID);
          if (id == null) return null;
          final String summary = parser.getAttributeValue(null, CONDITION_ATT_SUMMARY);
          final String line1 = parser.getAttributeValue(null, CONDITION_ATT_LINE1);
          final String line2 = parser.getAttributeValue(null, CONDITION_ATT_LINE2);
          final int icon = safeInt(parser, CONDITION_ATT_ICON, -1);
          final int state = safeInt(parser, CONDITION_ATT_STATE, -1);
          final int flags = safeInt(parser, CONDITION_ATT_FLAGS, -1);
          try {
              return new Condition(id, summary, line1, line2, icon, state, flags);
          } catch (IllegalArgumentException e) {
              Slog.w(TAG, "Unable to read condition xml", e);
              return null;
          }
      }
  
      public static void writeConditionXml(Condition c, XmlSerializer out) throws IOException {
          out.attribute(null, CONDITION_ATT_ID, c.id.toString());
          out.attribute(null, CONDITION_ATT_SUMMARY, c.summary);
          out.attribute(null, CONDITION_ATT_LINE1, c.line1);
          out.attribute(null, CONDITION_ATT_LINE2, c.line2);
          out.attribute(null, CONDITION_ATT_ICON, Integer.toString(c.icon));
          out.attribute(null, CONDITION_ATT_STATE, Integer.toString(c.state));
          out.attribute(null, CONDITION_ATT_FLAGS, Integer.toString(c.flags));
      }
  
      /**
       * Read the zen policy from xml
       * Returns null if no zen policy exists
       */
      public static ZenPolicy readZenPolicyXml(XmlPullParser parser) {
          boolean policySet = false;
  
          ZenPolicy.Builder builder = new ZenPolicy.Builder();
          final int calls = safeInt(parser, ALLOW_ATT_CALLS_FROM, ZenPolicy.PEOPLE_TYPE_UNSET);
          final int messages = safeInt(parser, ALLOW_ATT_MESSAGES_FROM, ZenPolicy.PEOPLE_TYPE_UNSET);
          final int repeatCallers = safeInt(parser, ALLOW_ATT_REPEAT_CALLERS, ZenPolicy.STATE_UNSET);
          final int alarms = safeInt(parser, ALLOW_ATT_ALARMS, ZenPolicy.STATE_UNSET);
          final int media = safeInt(parser, ALLOW_ATT_MEDIA, ZenPolicy.STATE_UNSET);
          final int system = safeInt(parser, ALLOW_ATT_SYSTEM, ZenPolicy.STATE_UNSET);
          final int events = safeInt(parser, ALLOW_ATT_EVENTS, ZenPolicy.STATE_UNSET);
          final int reminders = safeInt(parser, ALLOW_ATT_REMINDERS, ZenPolicy.STATE_UNSET);
  
          if (calls != ZenPolicy.PEOPLE_TYPE_UNSET) {
              builder.allowCalls(calls);
              policySet = true;
          }
          if (messages != ZenPolicy.PEOPLE_TYPE_UNSET) {
              builder.allowMessages(messages);
              policySet = true;
          }
          if (repeatCallers != ZenPolicy.STATE_UNSET) {
              builder.allowRepeatCallers(repeatCallers == ZenPolicy.STATE_ALLOW);
              policySet = true;
          }
          if (alarms != ZenPolicy.STATE_UNSET) {
              builder.allowAlarms(alarms == ZenPolicy.STATE_ALLOW);
              policySet = true;
          }
          if (media != ZenPolicy.STATE_UNSET) {
              builder.allowMedia(media == ZenPolicy.STATE_ALLOW);
              policySet = true;
          }
          if (system != ZenPolicy.STATE_UNSET) {
              builder.allowSystem(system == ZenPolicy.STATE_ALLOW);
              policySet = true;
          }
          if (events != ZenPolicy.STATE_UNSET) {
              builder.allowEvents(events == ZenPolicy.STATE_ALLOW);
              policySet = true;
          }
          if (reminders != ZenPolicy.STATE_UNSET) {
              builder.allowReminders(reminders == ZenPolicy.STATE_ALLOW);
              policySet = true;
          }
  
          final int fullScreenIntent = safeInt(parser, SHOW_ATT_FULL_SCREEN_INTENT,
                  ZenPolicy.STATE_UNSET);
          final int lights = safeInt(parser, SHOW_ATT_LIGHTS, ZenPolicy.STATE_UNSET);
          final int peek = safeInt(parser, SHOW_ATT_PEEK, ZenPolicy.STATE_UNSET);
          final int statusBar = safeInt(parser, SHOW_ATT_STATUS_BAR_ICONS, ZenPolicy.STATE_UNSET);
          final int badges = safeInt(parser, SHOW_ATT_BADGES, ZenPolicy.STATE_UNSET);
          final int ambient = safeInt(parser, SHOW_ATT_AMBIENT, ZenPolicy.STATE_UNSET);
          final int notificationList = safeInt(parser, SHOW_ATT_NOTIFICATION_LIST,
                  ZenPolicy.STATE_UNSET);
  
          if (fullScreenIntent != ZenPolicy.STATE_UNSET) {
              builder.showFullScreenIntent(fullScreenIntent == ZenPolicy.STATE_ALLOW);
              policySet = true;
          }
          if (lights != ZenPolicy.STATE_UNSET) {
              builder.showLights(lights == ZenPolicy.STATE_ALLOW);
              policySet = true;
          }
          if (peek != ZenPolicy.STATE_UNSET) {
              builder.showPeeking(peek == ZenPolicy.STATE_ALLOW);
              policySet = true;
          }
          if (statusBar != ZenPolicy.STATE_UNSET) {
              builder.showStatusBarIcons(statusBar == ZenPolicy.STATE_ALLOW);
              policySet = true;
          }
          if (badges != ZenPolicy.STATE_UNSET) {
              builder.showBadges(badges == ZenPolicy.STATE_ALLOW);
              policySet = true;
          }
          if (ambient != ZenPolicy.STATE_UNSET) {
              builder.showInAmbientDisplay(ambient == ZenPolicy.STATE_ALLOW);
              policySet = true;
          }
          if (notificationList != ZenPolicy.STATE_UNSET) {
              builder.showInNotificationList(notificationList == ZenPolicy.STATE_ALLOW);
              policySet = true;
          }
  
          if (policySet) {
              return builder.build();
          }
          return null;
      }
  
      /**
       * Writes zen policy to xml
       */
      public static void writeZenPolicyXml(ZenPolicy policy, XmlSerializer out)
              throws IOException {
          writeZenPolicyState(ALLOW_ATT_CALLS_FROM, policy.getPriorityCallSenders(), out);
          writeZenPolicyState(ALLOW_ATT_MESSAGES_FROM, policy.getPriorityMessageSenders(), out);
          writeZenPolicyState(ALLOW_ATT_REPEAT_CALLERS, policy.getPriorityCategoryRepeatCallers(),
                  out);
          writeZenPolicyState(ALLOW_ATT_ALARMS, policy.getPriorityCategoryAlarms(), out);
          writeZenPolicyState(ALLOW_ATT_MEDIA, policy.getPriorityCategoryMedia(), out);
          writeZenPolicyState(ALLOW_ATT_SYSTEM, policy.getPriorityCategorySystem(), out);
          writeZenPolicyState(ALLOW_ATT_REMINDERS, policy.getPriorityCategoryReminders(), out);
          writeZenPolicyState(ALLOW_ATT_EVENTS, policy.getPriorityCategoryEvents(), out);
  
          writeZenPolicyState(SHOW_ATT_FULL_SCREEN_INTENT, policy.getVisualEffectFullScreenIntent(),
                  out);
          writeZenPolicyState(SHOW_ATT_LIGHTS, policy.getVisualEffectLights(), out);
          writeZenPolicyState(SHOW_ATT_PEEK, policy.getVisualEffectPeek(), out);
          writeZenPolicyState(SHOW_ATT_STATUS_BAR_ICONS, policy.getVisualEffectStatusBar(), out);
          writeZenPolicyState(SHOW_ATT_BADGES, policy.getVisualEffectBadge(), out);
          writeZenPolicyState(SHOW_ATT_AMBIENT, policy.getVisualEffectAmbient(), out);
          writeZenPolicyState(SHOW_ATT_NOTIFICATION_LIST, policy.getVisualEffectNotificationList(),
                  out);
      }
  
      private static void writeZenPolicyState(String attr, int val, XmlSerializer out)
              throws IOException {
          if (Objects.equals(attr, ALLOW_ATT_CALLS_FROM)
                  || Objects.equals(attr, ALLOW_ATT_MESSAGES_FROM)) {
              if (val != ZenPolicy.PEOPLE_TYPE_UNSET) {
                  out.attribute(null, attr, Integer.toString(val));
              }
          } else {
              if (val != ZenPolicy.STATE_UNSET) {
                  out.attribute(null, attr, Integer.toString(val));
              }
          }
      }
  
      public static boolean isValidHour(int val) {
          return val >= 0 && val < 24;
      }
  
      public static boolean isValidMinute(int val) {
          return val >= 0 && val < 60;
      }
  
      private static boolean isValidSource(int source) {
          return source >= SOURCE_ANYONE && source <= MAX_SOURCE;
      }
  
      private static Boolean unsafeBoolean(XmlPullParser parser, String att) {
          final String val = parser.getAttributeValue(null, att);
          if (TextUtils.isEmpty(val)) return null;
          return Boolean.parseBoolean(val);
      }
  
      private static boolean safeBoolean(XmlPullParser parser, String att, boolean defValue) {
          final String val = parser.getAttributeValue(null, att);
          return safeBoolean(val, defValue);
      }
  
      private static boolean safeBoolean(String val, boolean defValue) {
          if (TextUtils.isEmpty(val)) return defValue;
          return Boolean.parseBoolean(val);
      }
  
      private static int safeInt(XmlPullParser parser, String att, int defValue) {
          final String val = parser.getAttributeValue(null, att);
          return tryParseInt(val, defValue);
      }
  
      private static ComponentName safeComponentName(XmlPullParser parser, String att) {
          final String val = parser.getAttributeValue(null, att);
          if (TextUtils.isEmpty(val)) return null;
          return ComponentName.unflattenFromString(val);
      }
  
      private static Uri safeUri(XmlPullParser parser, String att) {
          final String val = parser.getAttributeValue(null, att);
          if (TextUtils.isEmpty(val)) return null;
          return Uri.parse(val);
      }
  
      private static long safeLong(XmlPullParser parser, String att, long defValue) {
          final String val = parser.getAttributeValue(null, att);
          return tryParseLong(val, defValue);
      }
  
      @Override
      public int describeContents() {
          return 0;
      }
  
      public ZenModeConfig copy() {
          final Parcel parcel = Parcel.obtain();
          try {
              writeToParcel(parcel, 0);
              parcel.setDataPosition(0);
              return new ZenModeConfig(parcel);
          } finally {
              parcel.recycle();
          }
      }
  
      public static final @android.annotation.NonNull Parcelable.Creator<ZenModeConfig> CREATOR
              = new Parcelable.Creator<ZenModeConfig>() {
          @Override
          public ZenModeConfig createFromParcel(Parcel source) {
              return new ZenModeConfig(source);
          }
  
          @Override
          public ZenModeConfig[] newArray(int size) {
              return new ZenModeConfig[size];
          }
      };
  
      /**
       * Converts a zenPolicy to a notificationPolicy using this ZenModeConfig's values as its
       * defaults for all unset values in zenPolicy
       */
      public Policy toNotificationPolicy(ZenPolicy zenPolicy) {
          NotificationManager.Policy defaultPolicy = toNotificationPolicy();
          int priorityCategories = 0;
          int suppressedVisualEffects = 0;
          int callSenders = defaultPolicy.priorityCallSenders;
          int messageSenders = defaultPolicy.priorityMessageSenders;
  
          if (zenPolicy.isCategoryAllowed(ZenPolicy.PRIORITY_CATEGORY_REMINDERS,
                  isPriorityCategoryEnabled(Policy.PRIORITY_CATEGORY_REMINDERS, defaultPolicy))) {
              priorityCategories |= Policy.PRIORITY_CATEGORY_REMINDERS;
          }
  
          if (zenPolicy.isCategoryAllowed(ZenPolicy.PRIORITY_CATEGORY_EVENTS,
                  isPriorityCategoryEnabled(Policy.PRIORITY_CATEGORY_EVENTS, defaultPolicy))) {
              priorityCategories |= Policy.PRIORITY_CATEGORY_EVENTS;
          }
  
          if (zenPolicy.isCategoryAllowed(ZenPolicy.PRIORITY_CATEGORY_MESSAGES,
                  isPriorityCategoryEnabled(Policy.PRIORITY_CATEGORY_MESSAGES, defaultPolicy))) {
              priorityCategories |= Policy.PRIORITY_CATEGORY_MESSAGES;
              messageSenders = getNotificationPolicySenders(zenPolicy.getPriorityMessageSenders(),
                      messageSenders);
          }
  
          if (zenPolicy.isCategoryAllowed(ZenPolicy.PRIORITY_CATEGORY_CALLS,
                  isPriorityCategoryEnabled(Policy.PRIORITY_CATEGORY_CALLS, defaultPolicy))) {
              priorityCategories |= Policy.PRIORITY_CATEGORY_CALLS;
              callSenders = getNotificationPolicySenders(zenPolicy.getPriorityCallSenders(),
                      callSenders);
          }
  
          if (zenPolicy.isCategoryAllowed(ZenPolicy.PRIORITY_CATEGORY_REPEAT_CALLERS,
                  isPriorityCategoryEnabled(Policy.PRIORITY_CATEGORY_REPEAT_CALLERS,
                          defaultPolicy))) {
              priorityCategories |= Policy.PRIORITY_CATEGORY_REPEAT_CALLERS;
          }
  
          if (zenPolicy.isCategoryAllowed(ZenPolicy.PRIORITY_CATEGORY_ALARMS,
                  isPriorityCategoryEnabled(Policy.PRIORITY_CATEGORY_ALARMS, defaultPolicy))) {
              priorityCategories |= Policy.PRIORITY_CATEGORY_ALARMS;
          }
  
          if (zenPolicy.isCategoryAllowed(ZenPolicy.PRIORITY_CATEGORY_MEDIA,
                  isPriorityCategoryEnabled(Policy.PRIORITY_CATEGORY_MEDIA, defaultPolicy))) {
              priorityCategories |= Policy.PRIORITY_CATEGORY_MEDIA;
          }
  
          if (zenPolicy.isCategoryAllowed(ZenPolicy.PRIORITY_CATEGORY_SYSTEM,
                  isPriorityCategoryEnabled(Policy.PRIORITY_CATEGORY_SYSTEM, defaultPolicy))) {
              priorityCategories |= Policy.PRIORITY_CATEGORY_SYSTEM;
          }
  
          boolean suppressFullScreenIntent = !zenPolicy.isVisualEffectAllowed(
                  ZenPolicy.VISUAL_EFFECT_FULL_SCREEN_INTENT,
                  isVisualEffectAllowed(Policy.SUPPRESSED_EFFECT_FULL_SCREEN_INTENT,
                          defaultPolicy));
  
          boolean suppressLights = !zenPolicy.isVisualEffectAllowed(
                  ZenPolicy.VISUAL_EFFECT_LIGHTS,
                  isVisualEffectAllowed(Policy.SUPPRESSED_EFFECT_LIGHTS,
                          defaultPolicy));
  
          boolean suppressAmbient = !zenPolicy.isVisualEffectAllowed(
                  ZenPolicy.VISUAL_EFFECT_AMBIENT,
                  isVisualEffectAllowed(Policy.SUPPRESSED_EFFECT_AMBIENT,
                          defaultPolicy));
  
          if (suppressFullScreenIntent && suppressLights && suppressAmbient) {
              suppressedVisualEffects |= Policy.SUPPRESSED_EFFECT_SCREEN_OFF;
          }
  
          if (suppressFullScreenIntent) {
              suppressedVisualEffects |= Policy.SUPPRESSED_EFFECT_FULL_SCREEN_INTENT;
          }
  
          if (suppressLights) {
              suppressedVisualEffects |= Policy.SUPPRESSED_EFFECT_LIGHTS;
          }
  
          if (!zenPolicy.isVisualEffectAllowed(ZenPolicy.VISUAL_EFFECT_PEEK,
                  isVisualEffectAllowed(Policy.SUPPRESSED_EFFECT_PEEK,
                          defaultPolicy))) {
              suppressedVisualEffects |= Policy.SUPPRESSED_EFFECT_PEEK;
              suppressedVisualEffects |= Policy.SUPPRESSED_EFFECT_SCREEN_ON;
          }
  
          if (!zenPolicy.isVisualEffectAllowed(ZenPolicy.VISUAL_EFFECT_STATUS_BAR,
                  isVisualEffectAllowed(Policy.SUPPRESSED_EFFECT_STATUS_BAR,
                          defaultPolicy))) {
              suppressedVisualEffects |= Policy.SUPPRESSED_EFFECT_STATUS_BAR;
          }
  
          if (!zenPolicy.isVisualEffectAllowed(ZenPolicy.VISUAL_EFFECT_BADGE,
                  isVisualEffectAllowed(Policy.SUPPRESSED_EFFECT_BADGE,
                          defaultPolicy))) {
              suppressedVisualEffects |= Policy.SUPPRESSED_EFFECT_BADGE;
          }
  
          if (suppressAmbient) {
              suppressedVisualEffects |= Policy.SUPPRESSED_EFFECT_AMBIENT;
          }
  
          if (!zenPolicy.isVisualEffectAllowed(ZenPolicy.VISUAL_EFFECT_NOTIFICATION_LIST,
                  isVisualEffectAllowed(Policy.SUPPRESSED_EFFECT_NOTIFICATION_LIST,
                          defaultPolicy))) {
              suppressedVisualEffects |= Policy.SUPPRESSED_EFFECT_NOTIFICATION_LIST;
          }
  
          return new NotificationManager.Policy(priorityCategories, callSenders,
                  messageSenders, suppressedVisualEffects, defaultPolicy.state);
      }
  
      private boolean isPriorityCategoryEnabled(int categoryType, Policy policy) {
          return (policy.priorityCategories & categoryType) != 0;
      }
  
      private boolean isVisualEffectAllowed(int visualEffect, Policy policy) {
          return (policy.suppressedVisualEffects & visualEffect) == 0;
      }
  
      private int getNotificationPolicySenders(@ZenPolicy.PeopleType int senders,
              int defaultPolicySender) {
          switch (senders) {
              case ZenPolicy.PEOPLE_TYPE_ANYONE:
                  return Policy.PRIORITY_SENDERS_ANY;
              case ZenPolicy.PEOPLE_TYPE_CONTACTS:
                  return Policy.PRIORITY_SENDERS_CONTACTS;
              case ZenPolicy.PEOPLE_TYPE_STARRED:
                  return Policy.PRIORITY_SENDERS_STARRED;
              default:
                  return defaultPolicySender;
          }
      }
  
  
      /**
       * Maps NotificationManager.Policy senders type to ZenPolicy.PeopleType
       */
      public static @ZenPolicy.PeopleType int getZenPolicySenders(int senders) {
          switch (senders) {
              case Policy.PRIORITY_SENDERS_ANY:
                  return ZenPolicy.PEOPLE_TYPE_ANYONE;
              case Policy.PRIORITY_SENDERS_CONTACTS:
                  return ZenPolicy.PEOPLE_TYPE_CONTACTS;
              case Policy.PRIORITY_SENDERS_STARRED:
              default:
                  return ZenPolicy.PEOPLE_TYPE_STARRED;
          }
      }
  
  
      public Policy toNotificationPolicy() {
          int priorityCategories = 0;
          int priorityCallSenders = Policy.PRIORITY_SENDERS_CONTACTS;
          int priorityMessageSenders = Policy.PRIORITY_SENDERS_CONTACTS;
          if (allowCalls) {
              priorityCategories |= Policy.PRIORITY_CATEGORY_CALLS;
          }
          if (allowMessages) {
              priorityCategories |= Policy.PRIORITY_CATEGORY_MESSAGES;
          }
          if (allowEvents) {
              priorityCategories |= Policy.PRIORITY_CATEGORY_EVENTS;
          }
          if (allowReminders) {
              priorityCategories |= Policy.PRIORITY_CATEGORY_REMINDERS;
          }
          if (allowRepeatCallers) {
              priorityCategories |= Policy.PRIORITY_CATEGORY_REPEAT_CALLERS;
          }
          if (allowAlarms) {
              priorityCategories |= Policy.PRIORITY_CATEGORY_ALARMS;
          }
          if (allowMedia) {
              priorityCategories |= Policy.PRIORITY_CATEGORY_MEDIA;
          }
          if (allowSystem) {
              priorityCategories |= Policy.PRIORITY_CATEGORY_SYSTEM;
          }
          priorityCallSenders = sourceToPrioritySenders(allowCallsFrom, priorityCallSenders);
          priorityMessageSenders = sourceToPrioritySenders(allowMessagesFrom, priorityMessageSenders);
  
          return new Policy(priorityCategories, priorityCallSenders, priorityMessageSenders,
                  suppressedVisualEffects, areChannelsBypassingDnd
                  ? Policy.STATE_CHANNELS_BYPASSING_DND : 0);
      }
  
      /**
       * Creates scheduleCalendar from a condition id
       * @param conditionId
       * @return ScheduleCalendar with info populated with conditionId
       */
      public static ScheduleCalendar toScheduleCalendar(Uri conditionId) {
          final ScheduleInfo schedule = ZenModeConfig.tryParseScheduleConditionId(conditionId);
          if (schedule == null || schedule.days == null || schedule.days.length == 0) return null;
          final ScheduleCalendar sc = new ScheduleCalendar();
          sc.setSchedule(schedule);
          sc.setTimeZone(TimeZone.getDefault());
          return sc;
      }
  
      private static int sourceToPrioritySenders(int source, int def) {
          switch (source) {
              case SOURCE_ANYONE: return Policy.PRIORITY_SENDERS_ANY;
              case SOURCE_CONTACT: return Policy.PRIORITY_SENDERS_CONTACTS;
              case SOURCE_STAR: return Policy.PRIORITY_SENDERS_STARRED;
              default: return def;
          }
      }
  
      private static int prioritySendersToSource(int prioritySenders, int def) {
          switch (prioritySenders) {
              case Policy.PRIORITY_SENDERS_CONTACTS: return SOURCE_CONTACT;
              case Policy.PRIORITY_SENDERS_STARRED: return SOURCE_STAR;
              case Policy.PRIORITY_SENDERS_ANY: return SOURCE_ANYONE;
              default: return def;
          }
      }
  
      public void applyNotificationPolicy(Policy policy) {
          if (policy == null) return;
          allowAlarms = (policy.priorityCategories & Policy.PRIORITY_CATEGORY_ALARMS) != 0;
          allowMedia = (policy.priorityCategories & Policy.PRIORITY_CATEGORY_MEDIA) != 0;
          allowSystem = (policy.priorityCategories & Policy.PRIORITY_CATEGORY_SYSTEM) != 0;
          allowEvents = (policy.priorityCategories & Policy.PRIORITY_CATEGORY_EVENTS) != 0;
          allowReminders = (policy.priorityCategories & Policy.PRIORITY_CATEGORY_REMINDERS) != 0;
          allowCalls = (policy.priorityCategories & Policy.PRIORITY_CATEGORY_CALLS) != 0;
          allowMessages = (policy.priorityCategories & Policy.PRIORITY_CATEGORY_MESSAGES) != 0;
          allowRepeatCallers = (policy.priorityCategories & Policy.PRIORITY_CATEGORY_REPEAT_CALLERS)
                  != 0;
          allowCallsFrom = prioritySendersToSource(policy.priorityCallSenders, allowCallsFrom);
          allowMessagesFrom = prioritySendersToSource(policy.priorityMessageSenders,
                  allowMessagesFrom);
          if (policy.suppressedVisualEffects != Policy.SUPPRESSED_EFFECTS_UNSET) {
              suppressedVisualEffects = policy.suppressedVisualEffects;
          }
          if (policy.state != Policy.STATE_UNSET) {
              areChannelsBypassingDnd = (policy.state & Policy.STATE_CHANNELS_BYPASSING_DND) != 0;
          }
      }
  
      public static Condition toTimeCondition(Context context, int minutesFromNow, int userHandle) {
          return toTimeCondition(context, minutesFromNow, userHandle, false /*shortVersion*/);
      }
  
      public static Condition toTimeCondition(Context context, int minutesFromNow, int userHandle,
              boolean shortVersion) {
          final long now = System.currentTimeMillis();
          final long millis = minutesFromNow == 0 ? ZERO_VALUE_MS : minutesFromNow * MINUTES_MS;
          return toTimeCondition(context, now + millis, minutesFromNow, userHandle, shortVersion);
      }
  
      public static Condition toTimeCondition(Context context, long time, int minutes,
              int userHandle, boolean shortVersion) {
          final int num;
          String summary, line1, line2;
          final CharSequence formattedTime =
                  getFormattedTime(context, time, isToday(time), userHandle);
          final Resources res = context.getResources();
          if (minutes < 60) {
              // display as minutes
              num = minutes;
              int summaryResId = shortVersion ? R.plurals.zen_mode_duration_minutes_summary_short
                      : R.plurals.zen_mode_duration_minutes_summary;
              summary = res.getQuantityString(summaryResId, num, num, formattedTime);
              int line1ResId = shortVersion ? R.plurals.zen_mode_duration_minutes_short
                      : R.plurals.zen_mode_duration_minutes;
              line1 = res.getQuantityString(line1ResId, num, num, formattedTime);
              line2 = res.getString(R.string.zen_mode_until, formattedTime);
          } else if (minutes < DAY_MINUTES) {
              // display as hours
              num =  Math.round(minutes / 60f);
              int summaryResId = shortVersion ? R.plurals.zen_mode_duration_hours_summary_short
                      : R.plurals.zen_mode_duration_hours_summary;
              summary = res.getQuantityString(summaryResId, num, num, formattedTime);
              int line1ResId = shortVersion ? R.plurals.zen_mode_duration_hours_short
                      : R.plurals.zen_mode_duration_hours;
              line1 = res.getQuantityString(line1ResId, num, num, formattedTime);
              line2 = res.getString(R.string.zen_mode_until, formattedTime);
          } else {
              // display as day/time
              summary = line1 = line2 = res.getString(R.string.zen_mode_until, formattedTime);
          }
          final Uri id = toCountdownConditionId(time, false);
          return new Condition(id, summary, line1, line2, 0, Condition.STATE_TRUE,
                  Condition.FLAG_RELEVANT_NOW);
      }
  
      /**
       * Converts countdown to alarm parameters into a condition with user facing summary
       */
      public static Condition toNextAlarmCondition(Context context, long alarm,
              int userHandle) {
          boolean isSameDay = isToday(alarm);
          final CharSequence formattedTime = getFormattedTime(context, alarm, isSameDay, userHandle);
          final Resources res = context.getResources();
          final String line1 = res.getString(R.string.zen_mode_until, formattedTime);
          final Uri id = toCountdownConditionId(alarm, true);
          return new Condition(id, "", line1, "", 0, Condition.STATE_TRUE,
                  Condition.FLAG_RELEVANT_NOW);
      }
  
      /**
       * Creates readable time from time in milliseconds
       */
      public static CharSequence getFormattedTime(Context context, long time, boolean isSameDay,
              int userHandle) {
          String skeleton = (!isSameDay ? "EEE " : "")
                  + (DateFormat.is24HourFormat(context, userHandle) ? "Hm" : "hma");
          final String pattern = DateFormat.getBestDateTimePattern(Locale.getDefault(), skeleton);
          return DateFormat.format(pattern, time);
      }
  
      /**
       * Determines whether a time in milliseconds is today or not
       */
      public static boolean isToday(long time) {
          GregorianCalendar now = new GregorianCalendar();
          GregorianCalendar endTime = new GregorianCalendar();
          endTime.setTimeInMillis(time);
          if (now.get(Calendar.YEAR) == endTime.get(Calendar.YEAR)
                  && now.get(Calendar.MONTH) == endTime.get(Calendar.MONTH)
                  && now.get(Calendar.DATE) == endTime.get(Calendar.DATE)) {
              return true;
          }
          return false;
      }
  
      // ==== Built-in system conditions ====
  
      public static final String SYSTEM_AUTHORITY = "android";
  
      // ==== Built-in system condition: countdown ====
  
      public static final String COUNTDOWN_PATH = "countdown";
  
      public static final String IS_ALARM_PATH = "alarm";
  
      /**
       * Converts countdown condition parameters into a condition id.
       */
      public static Uri toCountdownConditionId(long time, boolean alarm) {
          return new Uri.Builder().scheme(Condition.SCHEME)
                  .authority(SYSTEM_AUTHORITY)
                  .appendPath(COUNTDOWN_PATH)
                  .appendPath(Long.toString(time))
                  .appendPath(IS_ALARM_PATH)
                  .appendPath(Boolean.toString(alarm))
                  .build();
      }
  
      public static long tryParseCountdownConditionId(Uri conditionId) {
          if (!Condition.isValidId(conditionId, SYSTEM_AUTHORITY)) return 0;
          if (conditionId.getPathSegments().size() < 2
                  || !COUNTDOWN_PATH.equals(conditionId.getPathSegments().get(0))) return 0;
          try {
              return Long.parseLong(conditionId.getPathSegments().get(1));
          } catch (RuntimeException e) {
              Slog.w(TAG, "Error parsing countdown condition: " + conditionId, e);
              return 0;
          }
      }
  
      /**
       * Returns whether this condition is a countdown condition.
       */
      public static boolean isValidCountdownConditionId(Uri conditionId) {
          return tryParseCountdownConditionId(conditionId) != 0;
      }
  
      /**
       * Returns whether this condition is a countdown to an alarm.
       */
      public static boolean isValidCountdownToAlarmConditionId(Uri conditionId) {
          if (tryParseCountdownConditionId(conditionId) != 0) {
              if (conditionId.getPathSegments().size() < 4
                      || !IS_ALARM_PATH.equals(conditionId.getPathSegments().get(2))) {
                  return false;
              }
              try {
                  return Boolean.parseBoolean(conditionId.getPathSegments().get(3));
              } catch (RuntimeException e) {
                  Slog.w(TAG, "Error parsing countdown alarm condition: " + conditionId, e);
                  return false;
              }
          }
          return false;
      }
  
      // ==== Built-in system condition: schedule ====
  
      public static final String SCHEDULE_PATH = "schedule";
  
      public static Uri toScheduleConditionId(ScheduleInfo schedule) {
          return new Uri.Builder().scheme(Condition.SCHEME)
                  .authority(SYSTEM_AUTHORITY)
                  .appendPath(SCHEDULE_PATH)
                  .appendQueryParameter("days", toDayList(schedule.days))
                  .appendQueryParameter("start", schedule.startHour + "." + schedule.startMinute)
                  .appendQueryParameter("end", schedule.endHour + "." + schedule.endMinute)
                  .appendQueryParameter("exitAtAlarm", String.valueOf(schedule.exitAtAlarm))
                  .build();
      }
  
      public static boolean isValidScheduleConditionId(Uri conditionId) {
          ScheduleInfo info;
          try {
              info = tryParseScheduleConditionId(conditionId);
          } catch (NullPointerException | ArrayIndexOutOfBoundsException e) {
              return false;
          }
  
          if (info == null || info.days == null || info.days.length == 0) {
              return false;
          }
          return true;
      }
  
      /**
       * Returns whether the conditionId is a valid ScheduleCondition.
       * If allowNever is true, this will return true even if the ScheduleCondition never occurs.
       */
      public static boolean isValidScheduleConditionId(Uri conditionId, boolean allowNever) {
          ScheduleInfo info;
          try {
              info = tryParseScheduleConditionId(conditionId);
          } catch (NullPointerException | ArrayIndexOutOfBoundsException e) {
              return false;
          }
  
          if (info == null || (!allowNever && (info.days == null || info.days.length == 0))) {
              return false;
          }
          return true;
      }
  
      @UnsupportedAppUsage
      public static ScheduleInfo tryParseScheduleConditionId(Uri conditionId) {
          final boolean isSchedule =  conditionId != null
                  && Condition.SCHEME.equals(conditionId.getScheme())
                  && ZenModeConfig.SYSTEM_AUTHORITY.equals(conditionId.getAuthority())
                  && conditionId.getPathSegments().size() == 1
                  && ZenModeConfig.SCHEDULE_PATH.equals(conditionId.getPathSegments().get(0));
          if (!isSchedule) return null;
          final int[] start = tryParseHourAndMinute(conditionId.getQueryParameter("start"));
          final int[] end = tryParseHourAndMinute(conditionId.getQueryParameter("end"));
          if (start == null || end == null) return null;
          final ScheduleInfo rt = new ScheduleInfo();
          rt.days = tryParseDayList(conditionId.getQueryParameter("days"), "\\.");
          rt.startHour = start[0];
          rt.startMinute = start[1];
          rt.endHour = end[0];
          rt.endMinute = end[1];
          rt.exitAtAlarm = safeBoolean(conditionId.getQueryParameter("exitAtAlarm"), false);
          return rt;
      }
  
      public static ComponentName getScheduleConditionProvider() {
          return new ComponentName(SYSTEM_AUTHORITY, "ScheduleConditionProvider");
      }
  
      public static class ScheduleInfo {
          @UnsupportedAppUsage
          public int[] days;
          @UnsupportedAppUsage
          public int startHour;
          @UnsupportedAppUsage
          public int startMinute;
          @UnsupportedAppUsage
          public int endHour;
          @UnsupportedAppUsage
          public int endMinute;
          public boolean exitAtAlarm;
          public long nextAlarm;
  
          @Override
          public int hashCode() {
              return 0;
          }
  
          @Override
          public boolean equals(Object o) {
              if (!(o instanceof ScheduleInfo)) return false;
              final ScheduleInfo other = (ScheduleInfo) o;
              return toDayList(days).equals(toDayList(other.days))
                      && startHour == other.startHour
                      && startMinute == other.startMinute
                      && endHour == other.endHour
                      && endMinute == other.endMinute
                      && exitAtAlarm == other.exitAtAlarm;
          }
  
          public ScheduleInfo copy() {
              final ScheduleInfo rt = new ScheduleInfo();
              if (days != null) {
                  rt.days = new int[days.length];
                  System.arraycopy(days, 0, rt.days, 0, days.length);
              }
              rt.startHour = startHour;
              rt.startMinute = startMinute;
              rt.endHour = endHour;
              rt.endMinute = endMinute;
              rt.exitAtAlarm = exitAtAlarm;
              rt.nextAlarm = nextAlarm;
              return rt;
          }
  
          @Override
          public String toString() {
              return "ScheduleInfo{" +
                      "days=" + Arrays.toString(days) +
                      ", startHour=" + startHour +
                      ", startMinute=" + startMinute +
                      ", endHour=" + endHour +
                      ", endMinute=" + endMinute +
                      ", exitAtAlarm=" + exitAtAlarm +
                      ", nextAlarm=" + ts(nextAlarm) +
                      '}';
          }
  
          protected static String ts(long time) {
              return new Date(time) + " (" + time + ")";
          }
      }
  
      // ==== Built-in system condition: event ====
  
      public static final String EVENT_PATH = "event";
  
      public static Uri toEventConditionId(EventInfo event) {
          return new Uri.Builder().scheme(Condition.SCHEME)
                  .authority(SYSTEM_AUTHORITY)
                  .appendPath(EVENT_PATH)
                  .appendQueryParameter("userId", Long.toString(event.userId))
                  .appendQueryParameter("calendar", event.calName != null ? event.calName : "")
                  .appendQueryParameter("calendarId", event.calendarId != null
                          ? event.calendarId.toString() : "")
                  .appendQueryParameter("reply", Integer.toString(event.reply))
                  .build();
      }
  
      public static boolean isValidEventConditionId(Uri conditionId) {
          return tryParseEventConditionId(conditionId) != null;
      }
  
      public static EventInfo tryParseEventConditionId(Uri conditionId) {
          final boolean isEvent = conditionId != null
                  && Condition.SCHEME.equals(conditionId.getScheme())
                  && ZenModeConfig.SYSTEM_AUTHORITY.equals(conditionId.getAuthority())
                  && conditionId.getPathSegments().size() == 1
                  && EVENT_PATH.equals(conditionId.getPathSegments().get(0));
          if (!isEvent) return null;
          final EventInfo rt = new EventInfo();
          rt.userId = tryParseInt(conditionId.getQueryParameter("userId"), UserHandle.USER_NULL);
          rt.calName = conditionId.getQueryParameter("calendar");
          if (TextUtils.isEmpty(rt.calName)) {
              rt.calName = null;
          }
          rt.calendarId = tryParseLong(conditionId.getQueryParameter("calendarId"), null);
          rt.reply = tryParseInt(conditionId.getQueryParameter("reply"), 0);
          return rt;
      }
  
      public static ComponentName getEventConditionProvider() {
          return new ComponentName(SYSTEM_AUTHORITY, "EventConditionProvider");
      }
  
      public static class EventInfo {
          public static final int REPLY_ANY_EXCEPT_NO = 0;
          public static final int REPLY_YES_OR_MAYBE = 1;
          public static final int REPLY_YES = 2;
  
          public int userId = UserHandle.USER_NULL;  // USER_NULL = unspecified - use current user
          public String calName;  // CalendarContract.Calendars.DISPLAY_NAME, or null for any
          public Long calendarId; // Calendars._ID, or null if restored from < Q calendar
          public int reply;
  
          @Override
          public int hashCode() {
              return Objects.hash(userId, calName, calendarId, reply);
          }
  
          @Override
          public boolean equals(Object o) {
              if (!(o instanceof EventInfo)) return false;
              final EventInfo other = (EventInfo) o;
              return userId == other.userId
                      && Objects.equals(calName, other.calName)
                      && reply == other.reply
                      && Objects.equals(calendarId, other.calendarId);
          }
  
          public EventInfo copy() {
              final EventInfo rt = new EventInfo();
              rt.userId = userId;
              rt.calName = calName;
              rt.reply = reply;
              rt.calendarId = calendarId;
              return rt;
          }
  
          public static int resolveUserId(int userId) {
              return userId == UserHandle.USER_NULL ? ActivityManager.getCurrentUser() : userId;
          }
      }
  
      // ==== End built-in system conditions ====
  
      private static int[] tryParseHourAndMinute(String value) {
          if (TextUtils.isEmpty(value)) return null;
          final int i = value.indexOf('.');
          if (i < 1 || i >= value.length() - 1) return null;
          final int hour = tryParseInt(value.substring(0, i), -1);
          final int minute = tryParseInt(value.substring(i + 1), -1);
          return isValidHour(hour) && isValidMinute(minute) ? new int[] { hour, minute } : null;
      }
  
      private static int tryParseZenMode(String value, int defValue) {
          final int rt = tryParseInt(value, defValue);
          return Global.isValidZenMode(rt) ? rt : defValue;
      }
  
      public static String newRuleId() {
          return UUID.randomUUID().toString().replace("-", "");
      }
  
      /**
       * Gets the name of the app associated with owner
       */
      public static String getOwnerCaption(Context context, String owner) {
          final PackageManager pm = context.getPackageManager();
          try {
              final ApplicationInfo info = pm.getApplicationInfo(owner, 0);
              if (info != null) {
                  final CharSequence seq = info.loadLabel(pm);
                  if (seq != null) {
                      final String str = seq.toString().trim();
                      if (str.length() > 0) {
                          return str;
                      }
                  }
              }
          } catch (Throwable e) {
              Slog.w(TAG, "Error loading owner caption", e);
          }
          return "";
      }
  
      public static String getConditionSummary(Context context, ZenModeConfig config,
              int userHandle, boolean shortVersion) {
          return getConditionLine(context, config, userHandle, false /*useLine1*/, shortVersion);
      }
  
      private static String getConditionLine(Context context, ZenModeConfig config,
              int userHandle, boolean useLine1, boolean shortVersion) {
          if (config == null) return "";
          String summary = "";
          if (config.manualRule != null) {
              final Uri id = config.manualRule.conditionId;
              if (config.manualRule.enabler != null) {
                  summary = getOwnerCaption(context, config.manualRule.enabler);
              } else {
                  if (id == null) {
                      summary = context.getString(com.android.internal.R.string.zen_mode_forever);
                  } else {
                      final long time = tryParseCountdownConditionId(id);
                      Condition c = config.manualRule.condition;
                      if (time > 0) {
                          final long now = System.currentTimeMillis();
                          final long span = time - now;
                          c = toTimeCondition(context, time, Math.round(span / (float) MINUTES_MS),
                                  userHandle, shortVersion);
                      }
                      final String rt = c == null ? "" : useLine1 ? c.line1 : c.summary;
                      summary = TextUtils.isEmpty(rt) ? "" : rt;
                  }
              }
          }
          for (ZenRule automaticRule : config.automaticRules.values()) {
              if (automaticRule.isAutomaticActive()) {
                  if (summary.isEmpty()) {
                      summary = automaticRule.name;
                  } else {
                      summary = context.getResources()
                              .getString(R.string.zen_mode_rule_name_combination, summary,
                                      automaticRule.name);
                  }
  
              }
          }
          return summary;
      }
  
      public static class ZenRule implements Parcelable {
          @UnsupportedAppUsage
          public boolean enabled;
          @UnsupportedAppUsage
          public boolean snoozing;         // user manually disabled this instance
          @UnsupportedAppUsage
          public String name;              // required for automatic
          @UnsupportedAppUsage
          public int zenMode;             // ie: Global.ZEN_MODE_IMPORTANT_INTERRUPTIONS
          @UnsupportedAppUsage
          public Uri conditionId;          // required for automatic
          public Condition condition;      // optional
          public ComponentName component;  // optional
          public ComponentName configurationActivity; // optional
          public String id;                // required for automatic (unique)
          @UnsupportedAppUsage
          public long creationTime;        // required for automatic
          // package name, only used for manual rules when they have turned DND on.
          public String enabler;
          public ZenPolicy zenPolicy;
          public boolean modified;    // rule has been modified from initial creation
          public String pkg;
  
          public ZenRule() { }
  
          public ZenRule(Parcel source) {
              enabled = source.readInt() == 1;
              snoozing = source.readInt() == 1;
              if (source.readInt() == 1) {
                  name = source.readString();
              }
              zenMode = source.readInt();
              conditionId = source.readParcelable(null);
              condition = source.readParcelable(null);
              component = source.readParcelable(null);
              configurationActivity = source.readParcelable(null);
              if (source.readInt() == 1) {
                  id = source.readString();
              }
              creationTime = source.readLong();
              if (source.readInt() == 1) {
                  enabler = source.readString();
              }
              zenPolicy = source.readParcelable(null);
              modified = source.readInt() == 1;
              pkg = source.readString();
          }
  
          @Override
          public int describeContents() {
              return 0;
          }
  
          @Override
          public void writeToParcel(Parcel dest, int flags) {
              dest.writeInt(enabled ? 1 : 0);
              dest.writeInt(snoozing ? 1 : 0);
              if (name != null) {
                  dest.writeInt(1);
                  dest.writeString(name);
              } else {
                  dest.writeInt(0);
              }
              dest.writeInt(zenMode);
              dest.writeParcelable(conditionId, 0);
              dest.writeParcelable(condition, 0);
              dest.writeParcelable(component, 0);
              dest.writeParcelable(configurationActivity, 0);
              if (id != null) {
                  dest.writeInt(1);
                  dest.writeString(id);
              } else {
                  dest.writeInt(0);
              }
              dest.writeLong(creationTime);
              if (enabler != null) {
                  dest.writeInt(1);
                  dest.writeString(enabler);
              } else {
                  dest.writeInt(0);
              }
              dest.writeParcelable(zenPolicy, 0);
              dest.writeInt(modified ? 1 : 0);
              dest.writeString(pkg);
          }
  
          @Override
          public String toString() {
              return new StringBuilder(ZenRule.class.getSimpleName()).append('[')
                      .append("id=").append(id)
                      .append(",enabled=").append(String.valueOf(enabled).toUpperCase())
                      .append(",snoozing=").append(snoozing)
                      .append(",name=").append(name)
                      .append(",zenMode=").append(Global.zenModeToString(zenMode))
                      .append(",conditionId=").append(conditionId)
                      .append(",condition=").append(condition)
                      .append(",pkg=").append(pkg)
                      .append(",component=").append(component)
                      .append(",configActivity=").append(configurationActivity)
                      .append(",creationTime=").append(creationTime)
                      .append(",enabler=").append(enabler)
                      .append(",zenPolicy=").append(zenPolicy)
                      .append(",modified=").append(modified)
                      .append(']').toString();
          }
  
          /** @hide */
          // TODO: add configuration activity
          public void writeToProto(ProtoOutputStream proto, long fieldId) {
              final long token = proto.start(fieldId);
  
              proto.write(ZenRuleProto.ID, id);
              proto.write(ZenRuleProto.NAME, name);
              proto.write(ZenRuleProto.CREATION_TIME_MS, creationTime);
              proto.write(ZenRuleProto.ENABLED, enabled);
              proto.write(ZenRuleProto.ENABLER, enabler);
              proto.write(ZenRuleProto.IS_SNOOZING, snoozing);
              proto.write(ZenRuleProto.ZEN_MODE, zenMode);
              if (conditionId != null) {
                  proto.write(ZenRuleProto.CONDITION_ID, conditionId.toString());
              }
              if (condition != null) {
                  condition.writeToProto(proto, ZenRuleProto.CONDITION);
              }
              if (component != null) {
                  component.writeToProto(proto, ZenRuleProto.COMPONENT);
              }
              if (zenPolicy != null) {
                  zenPolicy.writeToProto(proto, ZenRuleProto.ZEN_POLICY);
              }
              proto.write(ZenRuleProto.MODIFIED, modified);
              proto.end(token);
          }
  
          private static void appendDiff(Diff d, String item, ZenRule from, ZenRule to) {
              if (d == null) return;
              if (from == null) {
                  if (to != null) {
                      d.addLine(item, "insert");
                  }
                  return;
              }
              from.appendDiff(d, item, to);
          }
  
          private void appendDiff(Diff d, String item, ZenRule to) {
              if (to == null) {
                  d.addLine(item, "delete");
                  return;
              }
              if (enabled != to.enabled) {
                  d.addLine(item, "enabled", enabled, to.enabled);
              }
              if (snoozing != to.snoozing) {
                  d.addLine(item, "snoozing", snoozing, to.snoozing);
              }
              if (!Objects.equals(name, to.name)) {
                  d.addLine(item, "name", name, to.name);
              }
              if (zenMode != to.zenMode) {
                  d.addLine(item, "zenMode", zenMode, to.zenMode);
              }
              if (!Objects.equals(conditionId, to.conditionId)) {
                  d.addLine(item, "conditionId", conditionId, to.conditionId);
              }
              if (!Objects.equals(condition, to.condition)) {
                  d.addLine(item, "condition", condition, to.condition);
              }
              if (!Objects.equals(component, to.component)) {
                  d.addLine(item, "component", component, to.component);
              }
              if (!Objects.equals(configurationActivity, to.configurationActivity)) {
                  d.addLine(item, "configActivity", configurationActivity, to.configurationActivity);
              }
              if (!Objects.equals(id, to.id)) {
                  d.addLine(item, "id", id, to.id);
              }
              if (creationTime != to.creationTime) {
                  d.addLine(item, "creationTime", creationTime, to.creationTime);
              }
              if (!Objects.equals(enabler, to.enabler)) {
                  d.addLine(item, "enabler", enabler, to.enabler);
              }
              if (!Objects.equals(zenPolicy, to.zenPolicy)) {
                  d.addLine(item, "zenPolicy", zenPolicy, to.zenPolicy);
              }
              if (modified != to.modified) {
                  d.addLine(item, "modified", modified, to.modified);
              }
              if (pkg != to.pkg) {
                  d.addLine(item, "pkg", pkg, to.pkg);
              }
          }
  
          @Override
          public boolean equals(Object o) {
              if (!(o instanceof ZenRule)) return false;
              if (o == this) return true;
              final ZenRule other = (ZenRule) o;
              return other.enabled == enabled
                      && other.snoozing == snoozing
                      && Objects.equals(other.name, name)
                      && other.zenMode == zenMode
                      && Objects.equals(other.conditionId, conditionId)
                      && Objects.equals(other.condition, condition)
                      && Objects.equals(other.component, component)
                      && Objects.equals(other.configurationActivity, configurationActivity)
                      && Objects.equals(other.id, id)
                      && Objects.equals(other.enabler, enabler)
                      && Objects.equals(other.zenPolicy, zenPolicy)
                      && Objects.equals(other.pkg, pkg)
                      && other.modified == modified;
          }
  
          @Override
          public int hashCode() {
              return Objects.hash(enabled, snoozing, name, zenMode, conditionId, condition,
                      component, configurationActivity, pkg, id, enabler, zenPolicy, modified);
          }
  
          public boolean isAutomaticActive() {
              return enabled && !snoozing && pkg != null && isTrueOrUnknown();
          }
  
          public boolean isTrueOrUnknown() {
              return condition != null && (condition.state == Condition.STATE_TRUE
                      || condition.state == Condition.STATE_UNKNOWN);
          }
  
          public static final @android.annotation.NonNull Parcelable.Creator<ZenRule> CREATOR
                  = new Parcelable.Creator<ZenRule>() {
              @Override
              public ZenRule createFromParcel(Parcel source) {
                  return new ZenRule(source);
              }
              @Override
              public ZenRule[] newArray(int size) {
                  return new ZenRule[size];
              }
          };
      }
  
      public static class Diff {
          private final ArrayList<String> lines = new ArrayList<>();
  
          @Override
          public String toString() {
              final StringBuilder sb = new StringBuilder("Diff[");
              final int N = lines.size();
              for (int i = 0; i < N; i++) {
                  if (i > 0) {
                      sb.append(",\n");
                  }
                  sb.append(lines.get(i));
              }
              return sb.append(']').toString();
          }
  
          private Diff addLine(String item, String action) {
              lines.add(item + ":" + action);
              return this;
          }
  
          public Diff addLine(String item, String subitem, Object from, Object to) {
              return addLine(item + "." + subitem, from, to);
          }
  
          public Diff addLine(String item, Object from, Object to) {
              return addLine(item, from + "->" + to);
          }
      }
  
      /**
       * Determines whether dnd behavior should mute all notification/ringer sounds
       * (sounds associated with ringer volume discluding system)
       */
      public static boolean areAllPriorityOnlyNotificationZenSoundsMuted(NotificationManager.Policy
              policy) {
          boolean allowReminders = (policy.priorityCategories
                  & NotificationManager.Policy.PRIORITY_CATEGORY_REMINDERS) != 0;
          boolean allowCalls = (policy.priorityCategories
                  & NotificationManager.Policy.PRIORITY_CATEGORY_CALLS) != 0;
          boolean allowMessages = (policy.priorityCategories
                  & NotificationManager.Policy.PRIORITY_CATEGORY_MESSAGES) != 0;
          boolean allowEvents = (policy.priorityCategories
                  & NotificationManager.Policy.PRIORITY_CATEGORY_EVENTS) != 0;
          boolean allowRepeatCallers = (policy.priorityCategories
                  & NotificationManager.Policy.PRIORITY_CATEGORY_REPEAT_CALLERS) != 0;
          boolean areChannelsBypassingDnd = (policy.state & Policy.STATE_CHANNELS_BYPASSING_DND) != 0;
          return !allowReminders && !allowCalls && !allowMessages && !allowEvents
                  && !allowRepeatCallers && !areChannelsBypassingDnd;
      }
  
      /**
       * Determines whether dnd behavior should mute all sounds controlled by ringer
       */
      public static boolean areAllZenBehaviorSoundsMuted(NotificationManager.Policy
              policy) {
          boolean allowAlarms = (policy.priorityCategories & Policy.PRIORITY_CATEGORY_ALARMS) != 0;
          boolean allowMedia = (policy.priorityCategories & Policy.PRIORITY_CATEGORY_MEDIA) != 0;
          boolean allowSystem = (policy.priorityCategories & Policy.PRIORITY_CATEGORY_SYSTEM) != 0;
          return !allowAlarms && !allowMedia && !allowSystem
                  && areAllPriorityOnlyNotificationZenSoundsMuted(policy);
      }
  
      /**
       * Determines if DND is currently overriding the ringer
       */
      public static boolean isZenOverridingRinger(int zen, Policy consolidatedPolicy) {
          return zen == Global.ZEN_MODE_NO_INTERRUPTIONS
                  || zen == Global.ZEN_MODE_ALARMS
                  || (zen == Global.ZEN_MODE_IMPORTANT_INTERRUPTIONS
                  && ZenModeConfig.areAllPriorityOnlyNotificationZenSoundsMuted(consolidatedPolicy));
      }
  
      /**
       * Determines whether dnd behavior should mute all sounds controlled by ringer
       */
      public static boolean areAllPriorityOnlyNotificationZenSoundsMuted(ZenModeConfig config) {
          return !config.allowReminders && !config.allowCalls && !config.allowMessages
                  && !config.allowEvents && !config.allowRepeatCallers
                  && !config.areChannelsBypassingDnd;
      }
  
      /**
       * Determines whether all dnd mutes all sounds
       */
      public static boolean areAllZenBehaviorSoundsMuted(ZenModeConfig config) {
          return !config.allowAlarms  && !config.allowMedia && !config.allowSystem
                  && areAllPriorityOnlyNotificationZenSoundsMuted(config);
      }
  
      /**
       * Returns a description of the current do not disturb settings from config.
       * - If turned on manually and end time is known, returns end time.
       * - If turned on manually and end time is on forever until turned off, return null if
       * describeForeverCondition is false, else return String describing indefinite behavior
       * - If turned on by an automatic rule, returns the automatic rule name.
       * - If on due to an app, returns the app name.
       * - If there's a combination of rules/apps that trigger, then shows the one that will
       *  last the longest if applicable.
       * @return null if DND is off or describeForeverCondition is false and
       * DND is on forever (until turned off)
       */
      public static String getDescription(Context context, boolean zenOn, ZenModeConfig config,
              boolean describeForeverCondition) {
          if (!zenOn || config == null) {
              return null;
          }
  
          String secondaryText = "";
          long latestEndTime = -1;
  
          // DND turned on by manual rule
          if (config.manualRule != null) {
              final Uri id = config.manualRule.conditionId;
              if (config.manualRule.enabler != null) {
                  // app triggered manual rule
                  String appName = getOwnerCaption(context, config.manualRule.enabler);
                  if (!appName.isEmpty()) {
                      secondaryText = appName;
                  }
              } else {
                  if (id == null) {
                      // Do not disturb manually triggered to remain on forever until turned off
                      if (describeForeverCondition) {
                          return context.getString(R.string.zen_mode_forever);
                      } else {
                          return null;
                      }
                  } else {
                      latestEndTime = tryParseCountdownConditionId(id);
                      if (latestEndTime > 0) {
                          final CharSequence formattedTime = getFormattedTime(context,
                                  latestEndTime, isToday(latestEndTime),
                                  context.getUserId());
                          secondaryText = context.getString(R.string.zen_mode_until, formattedTime);
                      }
                  }
              }
          }
  
          // DND turned on by an automatic rule
          for (ZenRule automaticRule : config.automaticRules.values()) {
              if (automaticRule.isAutomaticActive()) {
                  if (isValidEventConditionId(automaticRule.conditionId)
                          || isValidScheduleConditionId(automaticRule.conditionId)) {
                      // set text if automatic rule end time is the latest active rule end time
                      long endTime = parseAutomaticRuleEndTime(context, automaticRule.conditionId);
                      if (endTime > latestEndTime) {
                          latestEndTime = endTime;
                          secondaryText = automaticRule.name;
                      }
                  } else {
                      // set text if 3rd party rule
                      return automaticRule.name;
                  }
              }
          }
  
          return !secondaryText.equals("") ? secondaryText : null;
      }
  
      private static long parseAutomaticRuleEndTime(Context context, Uri id) {
          if (isValidEventConditionId(id)) {
              // cannot look up end times for events
              return Long.MAX_VALUE;
          }
  
          if (isValidScheduleConditionId(id)) {
              ScheduleCalendar schedule = toScheduleCalendar(id);
              long endTimeMs = schedule.getNextChangeTime(System.currentTimeMillis());
  
              // check if automatic rule will end on next alarm
              if (schedule.exitAtAlarm()) {
                  long nextAlarm = getNextAlarm(context);
                  schedule.maybeSetNextAlarm(System.currentTimeMillis(), nextAlarm);
                  if (schedule.shouldExitForAlarm(endTimeMs)) {
                      return nextAlarm;
                  }
              }
  
              return endTimeMs;
          }
  
          return -1;
      }
  
      private static long getNextAlarm(Context context) {
          final AlarmManager alarms = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
          final AlarmManager.AlarmClockInfo info = alarms.getNextAlarmClock(context.getUserId());
          return info != null ? info.getTriggerTime() : 0;
      }
  }
  