ZenModeConfig.java revision 0842fe87b27b9e4a7aecfec25b93dba2d39f398a 
1/**
2 * Copyright (c) 2014, The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *     http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.service.notification;
18
19import android.app.ActivityManager;
20import android.app.NotificationManager.Policy;
21import android.content.ComponentName;
22import android.content.Context;
23import android.content.res.Resources;
24import android.net.Uri;
25import android.os.Parcel;
26import android.os.Parcelable;
27import android.os.UserHandle;
28import android.provider.Settings.Global;
29import android.text.TextUtils;
30import android.text.format.DateFormat;
31import android.util.ArrayMap;
32import android.util.ArraySet;
33import android.util.Slog;
34
35import com.android.internal.R;
36
37import org.xmlpull.v1.XmlPullParser;
38import org.xmlpull.v1.XmlPullParserException;
39import org.xmlpull.v1.XmlSerializer;
40
41import java.io.IOException;
42import java.util.ArrayList;
43import java.util.Calendar;
44import java.util.Locale;
45import java.util.Objects;
46import java.util.UUID;
47
48/**
49 * Persisted configuration for zen mode.
50 *
51 * @hide
52 */
53public class ZenModeConfig implements Parcelable {
54    private static String TAG = "ZenModeConfig";
55
56    public static final int SOURCE_ANYONE = 0;
57    public static final int SOURCE_CONTACT = 1;
58    public static final int SOURCE_STAR = 2;
59    public static final int MAX_SOURCE = SOURCE_STAR;
60    private static final int DEFAULT_SOURCE = SOURCE_CONTACT;
61
62    public static final int[] ALL_DAYS = { Calendar.SUNDAY, Calendar.MONDAY, Calendar.TUESDAY,
63            Calendar.WEDNESDAY, Calendar.THURSDAY, Calendar.FRIDAY, Calendar.SATURDAY };
64    public static final int[] WEEKNIGHT_DAYS = { Calendar.SUNDAY, Calendar.MONDAY, Calendar.TUESDAY,
65            Calendar.WEDNESDAY, Calendar.THURSDAY };
66    public static final int[] WEEKEND_DAYS = { Calendar.FRIDAY, Calendar.SATURDAY };
67
68    public static final int[] MINUTE_BUCKETS = generateMinuteBuckets();
69    private static final int SECONDS_MS = 1000;
70    private static final int MINUTES_MS = 60 * SECONDS_MS;
71    private static final int DAY_MINUTES = 24 * 60;
72    private static final int ZERO_VALUE_MS = 10 * SECONDS_MS;
73
74    private static final boolean DEFAULT_ALLOW_CALLS = true;
75    private static final boolean DEFAULT_ALLOW_MESSAGES = false;
76    private static final boolean DEFAULT_ALLOW_REMINDERS = true;
77    private static final boolean DEFAULT_ALLOW_EVENTS = true;
78    private static final boolean DEFAULT_ALLOW_REPEAT_CALLERS = false;
79
80    private static final int XML_VERSION = 2;
81    private static final String ZEN_TAG = "zen";
82    private static final String ZEN_ATT_VERSION = "version";
83    private static final String ZEN_ATT_USER = "user";
84    private static final String ALLOW_TAG = "allow";
85    private static final String ALLOW_ATT_CALLS = "calls";
86    private static final String ALLOW_ATT_REPEAT_CALLERS = "repeatCallers";
87    private static final String ALLOW_ATT_MESSAGES = "messages";
88    private static final String ALLOW_ATT_FROM = "from";
89    private static final String ALLOW_ATT_CALLS_FROM = "callsFrom";
90    private static final String ALLOW_ATT_MESSAGES_FROM = "messagesFrom";
91    private static final String ALLOW_ATT_REMINDERS = "reminders";
92    private static final String ALLOW_ATT_EVENTS = "events";
93
94    private static final String CONDITION_TAG = "condition";
95    private static final String CONDITION_ATT_COMPONENT = "component";
96    private static final String CONDITION_ATT_ID = "id";
97    private static final String CONDITION_ATT_SUMMARY = "summary";
98    private static final String CONDITION_ATT_LINE1 = "line1";
99    private static final String CONDITION_ATT_LINE2 = "line2";
100    private static final String CONDITION_ATT_ICON = "icon";
101    private static final String CONDITION_ATT_STATE = "state";
102    private static final String CONDITION_ATT_FLAGS = "flags";
103
104    private static final String MANUAL_TAG = "manual";
105    private static final String AUTOMATIC_TAG = "automatic";
106
107    private static final String RULE_ATT_ID = "ruleId";
108    private static final String RULE_ATT_ENABLED = "enabled";
109    private static final String RULE_ATT_SNOOZING = "snoozing";
110    private static final String RULE_ATT_NAME = "name";
111    private static final String RULE_ATT_COMPONENT = "component";
112    private static final String RULE_ATT_ZEN = "zen";
113    private static final String RULE_ATT_CONDITION_ID = "conditionId";
114    private static final String RULE_ATT_CREATION_TIME = "creationTime";
115
116    public boolean allowCalls = DEFAULT_ALLOW_CALLS;
117    public boolean allowRepeatCallers = DEFAULT_ALLOW_REPEAT_CALLERS;
118    public boolean allowMessages = DEFAULT_ALLOW_MESSAGES;
119    public boolean allowReminders = DEFAULT_ALLOW_REMINDERS;
120    public boolean allowEvents = DEFAULT_ALLOW_EVENTS;
121    public int allowCallsFrom = DEFAULT_SOURCE;
122    public int allowMessagesFrom = DEFAULT_SOURCE;
123    public int user = UserHandle.USER_SYSTEM;
124
125    public ZenRule manualRule;
126    public ArrayMap<String, ZenRule> automaticRules = new ArrayMap<>();
127
128    public ZenModeConfig() { }
129
130    public ZenModeConfig(Parcel source) {
131        allowCalls = source.readInt() == 1;
132        allowRepeatCallers = source.readInt() == 1;
133        allowMessages = source.readInt() == 1;
134        allowReminders = source.readInt() == 1;
135        allowEvents = source.readInt() == 1;
136        allowCallsFrom = source.readInt();
137        allowMessagesFrom = source.readInt();
138        user = source.readInt();
139        manualRule = source.readParcelable(null);
140        final int len = source.readInt();
141        if (len > 0) {
142            final String[] ids = new String[len];
143            final ZenRule[] rules = new ZenRule[len];
144            source.readStringArray(ids);
145            source.readTypedArray(rules, ZenRule.CREATOR);
146            for (int i = 0; i < len; i++) {
147                automaticRules.put(ids[i], rules[i]);
148            }
149        }
150    }
151
152    @Override
153    public void writeToParcel(Parcel dest, int flags) {
154        dest.writeInt(allowCalls ? 1 : 0);
155        dest.writeInt(allowRepeatCallers ? 1 : 0);
156        dest.writeInt(allowMessages ? 1 : 0);
157        dest.writeInt(allowReminders ? 1 : 0);
158        dest.writeInt(allowEvents ? 1 : 0);
159        dest.writeInt(allowCallsFrom);
160        dest.writeInt(allowMessagesFrom);
161        dest.writeInt(user);
162        dest.writeParcelable(manualRule, 0);
163        if (!automaticRules.isEmpty()) {
164            final int len = automaticRules.size();
165            final String[] ids = new String[len];
166            final ZenRule[] rules = new ZenRule[len];
167            for (int i = 0; i < len; i++) {
168                ids[i] = automaticRules.keyAt(i);
169                rules[i] = automaticRules.valueAt(i);
170            }
171            dest.writeInt(len);
172            dest.writeStringArray(ids);
173            dest.writeTypedArray(rules, 0);
174        } else {
175            dest.writeInt(0);
176        }
177    }
178
179    @Override
180    public String toString() {
181        return new StringBuilder(ZenModeConfig.class.getSimpleName()).append('[')
182            .append("user=").append(user)
183            .append(",allowCalls=").append(allowCalls)
184            .append(",allowRepeatCallers=").append(allowRepeatCallers)
185            .append(",allowMessages=").append(allowMessages)
186            .append(",allowCallsFrom=").append(sourceToString(allowCallsFrom))
187            .append(",allowMessagesFrom=").append(sourceToString(allowMessagesFrom))
188            .append(",allowReminders=").append(allowReminders)
189            .append(",allowEvents=").append(allowEvents)
190            .append(",automaticRules=").append(automaticRules)
191            .append(",manualRule=").append(manualRule)
192            .append(']').toString();
193    }
194
195    private Diff diff(ZenModeConfig to) {
196        final Diff d = new Diff();
197        if (to == null) {
198            return d.addLine("config", "delete");
199        }
200        if (user != to.user) {
201            d.addLine("user", user, to.user);
202        }
203        if (allowCalls != to.allowCalls) {
204            d.addLine("allowCalls", allowCalls, to.allowCalls);
205        }
206        if (allowRepeatCallers != to.allowRepeatCallers) {
207            d.addLine("allowRepeatCallers", allowRepeatCallers, to.allowRepeatCallers);
208        }
209        if (allowMessages != to.allowMessages) {
210            d.addLine("allowMessages", allowMessages, to.allowMessages);
211        }
212        if (allowCallsFrom != to.allowCallsFrom) {
213            d.addLine("allowCallsFrom", allowCallsFrom, to.allowCallsFrom);
214        }
215        if (allowMessagesFrom != to.allowMessagesFrom) {
216            d.addLine("allowMessagesFrom", allowMessagesFrom, to.allowMessagesFrom);
217        }
218        if (allowReminders != to.allowReminders) {
219            d.addLine("allowReminders", allowReminders, to.allowReminders);
220        }
221        if (allowEvents != to.allowEvents) {
222            d.addLine("allowEvents", allowEvents, to.allowEvents);
223        }
224        final ArraySet<String> allRules = new ArraySet<>();
225        addKeys(allRules, automaticRules);
226        addKeys(allRules, to.automaticRules);
227        final int N = allRules.size();
228        for (int i = 0; i < N; i++) {
229            final String rule = allRules.valueAt(i);
230            final ZenRule fromRule = automaticRules != null ? automaticRules.get(rule) : null;
231            final ZenRule toRule = to.automaticRules != null ? to.automaticRules.get(rule) : null;
232            ZenRule.appendDiff(d, "automaticRule[" + rule + "]", fromRule, toRule);
233        }
234        ZenRule.appendDiff(d, "manualRule", manualRule, to.manualRule);
235        return d;
236    }
237
238    public static Diff diff(ZenModeConfig from, ZenModeConfig to) {
239        if (from == null) {
240            final Diff d = new Diff();
241            if (to != null) {
242                d.addLine("config", "insert");
243            }
244            return d;
245        }
246        return from.diff(to);
247    }
248
249    private static <T> void addKeys(ArraySet<T> set, ArrayMap<T, ?> map) {
250        if (map != null) {
251            for (int i = 0; i < map.size(); i++) {
252                set.add(map.keyAt(i));
253            }
254        }
255    }
256
257    public boolean isValid() {
258        if (!isValidManualRule(manualRule)) return false;
259        final int N = automaticRules.size();
260        for (int i = 0; i < N; i++) {
261            if (!isValidAutomaticRule(automaticRules.valueAt(i))) return false;
262        }
263        return true;
264    }
265
266    private static boolean isValidManualRule(ZenRule rule) {
267        return rule == null || Global.isValidZenMode(rule.zenMode) && sameCondition(rule);
268    }
269
270    private static boolean isValidAutomaticRule(ZenRule rule) {
271        return rule != null && !TextUtils.isEmpty(rule.name) && Global.isValidZenMode(rule.zenMode)
272                && rule.conditionId != null && sameCondition(rule);
273    }
274
275    private static boolean sameCondition(ZenRule rule) {
276        if (rule == null) return false;
277        if (rule.conditionId == null) {
278            return rule.condition == null;
279        } else {
280            return rule.condition == null || rule.conditionId.equals(rule.condition.id);
281        }
282    }
283
284    private static int[] generateMinuteBuckets() {
285        final int maxHrs = 12;
286        final int[] buckets = new int[maxHrs + 3];
287        buckets[0] = 15;
288        buckets[1] = 30;
289        buckets[2] = 45;
290        for (int i = 1; i <= maxHrs; i++) {
291            buckets[2 + i] = 60 * i;
292        }
293        return buckets;
294    }
295
296    public static String sourceToString(int source) {
297        switch (source) {
298            case SOURCE_ANYONE:
299                return "anyone";
300            case SOURCE_CONTACT:
301                return "contacts";
302            case SOURCE_STAR:
303                return "stars";
304            default:
305                return "UNKNOWN";
306        }
307    }
308
309    @Override
310    public boolean equals(Object o) {
311        if (!(o instanceof ZenModeConfig)) return false;
312        if (o == this) return true;
313        final ZenModeConfig other = (ZenModeConfig) o;
314        return other.allowCalls == allowCalls
315                && other.allowRepeatCallers == allowRepeatCallers
316                && other.allowMessages == allowMessages
317                && other.allowCallsFrom == allowCallsFrom
318                && other.allowMessagesFrom == allowMessagesFrom
319                && other.allowReminders == allowReminders
320                && other.allowEvents == allowEvents
321                && other.user == user
322                && Objects.equals(other.automaticRules, automaticRules)
323                && Objects.equals(other.manualRule, manualRule);
324    }
325
326    @Override
327    public int hashCode() {
328        return Objects.hash(allowCalls, allowRepeatCallers, allowMessages, allowCallsFrom,
329                allowMessagesFrom, allowReminders, allowEvents, user, automaticRules, manualRule);
330    }
331
332    private static String toDayList(int[] days) {
333        if (days == null || days.length == 0) return "";
334        final StringBuilder sb = new StringBuilder();
335        for (int i = 0; i < days.length; i++) {
336            if (i > 0) sb.append('.');
337            sb.append(days[i]);
338        }
339        return sb.toString();
340    }
341
342    private static int[] tryParseDayList(String dayList, String sep) {
343        if (dayList == null) return null;
344        final String[] tokens = dayList.split(sep);
345        if (tokens.length == 0) return null;
346        final int[] rt = new int[tokens.length];
347        for (int i = 0; i < tokens.length; i++) {
348            final int day = tryParseInt(tokens[i], -1);
349            if (day == -1) return null;
350            rt[i] = day;
351        }
352        return rt;
353    }
354
355    private static int tryParseInt(String value, int defValue) {
356        if (TextUtils.isEmpty(value)) return defValue;
357        try {
358            return Integer.valueOf(value);
359        } catch (NumberFormatException e) {
360            return defValue;
361        }
362    }
363
364    private static long tryParseLong(String value, long defValue) {
365        if (TextUtils.isEmpty(value)) return defValue;
366        try {
367            return Long.valueOf(value);
368        } catch (NumberFormatException e) {
369            return defValue;
370        }
371    }
372
373    public static ZenModeConfig readXml(XmlPullParser parser, Migration migration)
374            throws XmlPullParserException, IOException {
375        int type = parser.getEventType();
376        if (type != XmlPullParser.START_TAG) return null;
377        String tag = parser.getName();
378        if (!ZEN_TAG.equals(tag)) return null;
379        final ZenModeConfig rt = new ZenModeConfig();
380        final int version = safeInt(parser, ZEN_ATT_VERSION, XML_VERSION);
381        if (version == 1) {
382            final XmlV1 v1 = XmlV1.readXml(parser);
383            return migration.migrate(v1);
384        }
385        rt.user = safeInt(parser, ZEN_ATT_USER, rt.user);
386        while ((type = parser.next()) != XmlPullParser.END_DOCUMENT) {
387            tag = parser.getName();
388            if (type == XmlPullParser.END_TAG && ZEN_TAG.equals(tag)) {
389                return rt;
390            }
391            if (type == XmlPullParser.START_TAG) {
392                if (ALLOW_TAG.equals(tag)) {
393                    rt.allowCalls = safeBoolean(parser, ALLOW_ATT_CALLS, false);
394                    rt.allowRepeatCallers = safeBoolean(parser, ALLOW_ATT_REPEAT_CALLERS,
395                            DEFAULT_ALLOW_REPEAT_CALLERS);
396                    rt.allowMessages = safeBoolean(parser, ALLOW_ATT_MESSAGES, false);
397                    rt.allowReminders = safeBoolean(parser, ALLOW_ATT_REMINDERS,
398                            DEFAULT_ALLOW_REMINDERS);
399                    rt.allowEvents = safeBoolean(parser, ALLOW_ATT_EVENTS, DEFAULT_ALLOW_EVENTS);
400                    final int from = safeInt(parser, ALLOW_ATT_FROM, -1);
401                    final int callsFrom = safeInt(parser, ALLOW_ATT_CALLS_FROM, -1);
402                    final int messagesFrom = safeInt(parser, ALLOW_ATT_MESSAGES_FROM, -1);
403                    if (isValidSource(callsFrom) && isValidSource(messagesFrom)) {
404                        rt.allowCallsFrom = callsFrom;
405                        rt.allowMessagesFrom = messagesFrom;
406                    } else if (isValidSource(from)) {
407                        Slog.i(TAG, "Migrating existing shared 'from': " + sourceToString(from));
408                        rt.allowCallsFrom = from;
409                        rt.allowMessagesFrom = from;
410                    } else {
411                        rt.allowCallsFrom = DEFAULT_SOURCE;
412                        rt.allowMessagesFrom = DEFAULT_SOURCE;
413                    }
414                } else if (MANUAL_TAG.equals(tag)) {
415                    rt.manualRule = readRuleXml(parser);
416                } else if (AUTOMATIC_TAG.equals(tag)) {
417                    final String id = parser.getAttributeValue(null, RULE_ATT_ID);
418                    final ZenRule automaticRule = readRuleXml(parser);
419                    if (id != null && automaticRule != null) {
420                        automaticRule.id = id;
421                        rt.automaticRules.put(id, automaticRule);
422                    }
423                }
424            }
425        }
426        throw new IllegalStateException("Failed to reach END_DOCUMENT");
427    }
428
429    public void writeXml(XmlSerializer out) throws IOException {
430        out.startTag(null, ZEN_TAG);
431        out.attribute(null, ZEN_ATT_VERSION, Integer.toString(XML_VERSION));
432        out.attribute(null, ZEN_ATT_USER, Integer.toString(user));
433
434        out.startTag(null, ALLOW_TAG);
435        out.attribute(null, ALLOW_ATT_CALLS, Boolean.toString(allowCalls));
436        out.attribute(null, ALLOW_ATT_REPEAT_CALLERS, Boolean.toString(allowRepeatCallers));
437        out.attribute(null, ALLOW_ATT_MESSAGES, Boolean.toString(allowMessages));
438        out.attribute(null, ALLOW_ATT_REMINDERS, Boolean.toString(allowReminders));
439        out.attribute(null, ALLOW_ATT_EVENTS, Boolean.toString(allowEvents));
440        out.attribute(null, ALLOW_ATT_CALLS_FROM, Integer.toString(allowCallsFrom));
441        out.attribute(null, ALLOW_ATT_MESSAGES_FROM, Integer.toString(allowMessagesFrom));
442        out.endTag(null, ALLOW_TAG);
443
444        if (manualRule != null) {
445            out.startTag(null, MANUAL_TAG);
446            writeRuleXml(manualRule, out);
447            out.endTag(null, MANUAL_TAG);
448        }
449        final int N = automaticRules.size();
450        for (int i = 0; i < N; i++) {
451            final String id = automaticRules.keyAt(i);
452            final ZenRule automaticRule = automaticRules.valueAt(i);
453            out.startTag(null, AUTOMATIC_TAG);
454            out.attribute(null, RULE_ATT_ID, id);
455            writeRuleXml(automaticRule, out);
456            out.endTag(null, AUTOMATIC_TAG);
457        }
458        out.endTag(null, ZEN_TAG);
459    }
460
461    public static ZenRule readRuleXml(XmlPullParser parser) {
462        final ZenRule rt = new ZenRule();
463        rt.enabled = safeBoolean(parser, RULE_ATT_ENABLED, true);
464        rt.snoozing = safeBoolean(parser, RULE_ATT_SNOOZING, false);
465        rt.name = parser.getAttributeValue(null, RULE_ATT_NAME);
466        final String zen = parser.getAttributeValue(null, RULE_ATT_ZEN);
467        rt.zenMode = tryParseZenMode(zen, -1);
468        if (rt.zenMode == -1) {
469            Slog.w(TAG, "Bad zen mode in rule xml:" + zen);
470            return null;
471        }
472        rt.conditionId = safeUri(parser, RULE_ATT_CONDITION_ID);
473        rt.component = safeComponentName(parser, RULE_ATT_COMPONENT);
474        rt.creationTime = safeLong(parser, RULE_ATT_CREATION_TIME, 0);
475        rt.condition = readConditionXml(parser);
476        return rt;
477    }
478
479    public static void writeRuleXml(ZenRule rule, XmlSerializer out) throws IOException {
480        out.attribute(null, RULE_ATT_ENABLED, Boolean.toString(rule.enabled));
481        out.attribute(null, RULE_ATT_SNOOZING, Boolean.toString(rule.snoozing));
482        if (rule.name != null) {
483            out.attribute(null, RULE_ATT_NAME, rule.name);
484        }
485        out.attribute(null, RULE_ATT_ZEN, Integer.toString(rule.zenMode));
486        if (rule.component != null) {
487            out.attribute(null, RULE_ATT_COMPONENT, rule.component.flattenToString());
488        }
489        if (rule.conditionId != null) {
490            out.attribute(null, RULE_ATT_CONDITION_ID, rule.conditionId.toString());
491        }
492        out.attribute(null, RULE_ATT_CREATION_TIME, Long.toString(rule.creationTime));
493        if (rule.condition != null) {
494            writeConditionXml(rule.condition, out);
495        }
496    }
497
498    public static Condition readConditionXml(XmlPullParser parser) {
499        final Uri id = safeUri(parser, CONDITION_ATT_ID);
500        if (id == null) return null;
501        final String summary = parser.getAttributeValue(null, CONDITION_ATT_SUMMARY);
502        final String line1 = parser.getAttributeValue(null, CONDITION_ATT_LINE1);
503        final String line2 = parser.getAttributeValue(null, CONDITION_ATT_LINE2);
504        final int icon = safeInt(parser, CONDITION_ATT_ICON, -1);
505        final int state = safeInt(parser, CONDITION_ATT_STATE, -1);
506        final int flags = safeInt(parser, CONDITION_ATT_FLAGS, -1);
507        try {
508            return new Condition(id, summary, line1, line2, icon, state, flags);
509        } catch (IllegalArgumentException e) {
510            Slog.w(TAG, "Unable to read condition xml", e);
511            return null;
512        }
513    }
514
515    public static void writeConditionXml(Condition c, XmlSerializer out) throws IOException {
516        out.attribute(null, CONDITION_ATT_ID, c.id.toString());
517        out.attribute(null, CONDITION_ATT_SUMMARY, c.summary);
518        out.attribute(null, CONDITION_ATT_LINE1, c.line1);
519        out.attribute(null, CONDITION_ATT_LINE2, c.line2);
520        out.attribute(null, CONDITION_ATT_ICON, Integer.toString(c.icon));
521        out.attribute(null, CONDITION_ATT_STATE, Integer.toString(c.state));
522        out.attribute(null, CONDITION_ATT_FLAGS, Integer.toString(c.flags));
523    }
524
525    public static boolean isValidHour(int val) {
526        return val >= 0 && val < 24;
527    }
528
529    public static boolean isValidMinute(int val) {
530        return val >= 0 && val < 60;
531    }
532
533    private static boolean isValidSource(int source) {
534        return source >= SOURCE_ANYONE && source <= MAX_SOURCE;
535    }
536
537    private static boolean safeBoolean(XmlPullParser parser, String att, boolean defValue) {
538        final String val = parser.getAttributeValue(null, att);
539        if (TextUtils.isEmpty(val)) return defValue;
540        return Boolean.valueOf(val);
541    }
542
543    private static int safeInt(XmlPullParser parser, String att, int defValue) {
544        final String val = parser.getAttributeValue(null, att);
545        return tryParseInt(val, defValue);
546    }
547
548    private static ComponentName safeComponentName(XmlPullParser parser, String att) {
549        final String val = parser.getAttributeValue(null, att);
550        if (TextUtils.isEmpty(val)) return null;
551        return ComponentName.unflattenFromString(val);
552    }
553
554    private static Uri safeUri(XmlPullParser parser, String att) {
555        final String val = parser.getAttributeValue(null, att);
556        if (TextUtils.isEmpty(val)) return null;
557        return Uri.parse(val);
558    }
559
560    private static long safeLong(XmlPullParser parser, String att, long defValue) {
561        final String val = parser.getAttributeValue(null, att);
562        return tryParseLong(val, defValue);
563    }
564
565    @Override
566    public int describeContents() {
567        return 0;
568    }
569
570    public ZenModeConfig copy() {
571        final Parcel parcel = Parcel.obtain();
572        try {
573            writeToParcel(parcel, 0);
574            parcel.setDataPosition(0);
575            return new ZenModeConfig(parcel);
576        } finally {
577            parcel.recycle();
578        }
579    }
580
581    public static final Parcelable.Creator<ZenModeConfig> CREATOR
582            = new Parcelable.Creator<ZenModeConfig>() {
583        @Override
584        public ZenModeConfig createFromParcel(Parcel source) {
585            return new ZenModeConfig(source);
586        }
587
588        @Override
589        public ZenModeConfig[] newArray(int size) {
590            return new ZenModeConfig[size];
591        }
592    };
593
594    public Policy toNotificationPolicy() {
595        int priorityCategories = 0;
596        int priorityCallSenders = Policy.PRIORITY_SENDERS_CONTACTS;
597        int priorityMessageSenders = Policy.PRIORITY_SENDERS_CONTACTS;
598        if (allowCalls) {
599            priorityCategories |= Policy.PRIORITY_CATEGORY_CALLS;
600        }
601        if (allowMessages) {
602            priorityCategories |= Policy.PRIORITY_CATEGORY_MESSAGES;
603        }
604        if (allowEvents) {
605            priorityCategories |= Policy.PRIORITY_CATEGORY_EVENTS;
606        }
607        if (allowReminders) {
608            priorityCategories |= Policy.PRIORITY_CATEGORY_REMINDERS;
609        }
610        if (allowRepeatCallers) {
611            priorityCategories |= Policy.PRIORITY_CATEGORY_REPEAT_CALLERS;
612        }
613        priorityCallSenders = sourceToPrioritySenders(allowCallsFrom, priorityCallSenders);
614        priorityMessageSenders = sourceToPrioritySenders(allowMessagesFrom, priorityMessageSenders);
615        return new Policy(priorityCategories, priorityCallSenders, priorityMessageSenders);
616    }
617
618    private static int sourceToPrioritySenders(int source, int def) {
619        switch (source) {
620            case SOURCE_ANYONE: return Policy.PRIORITY_SENDERS_ANY;
621            case SOURCE_CONTACT: return Policy.PRIORITY_SENDERS_CONTACTS;
622            case SOURCE_STAR: return Policy.PRIORITY_SENDERS_STARRED;
623            default: return def;
624        }
625    }
626
627    private static int prioritySendersToSource(int prioritySenders, int def) {
628        switch (prioritySenders) {
629            case Policy.PRIORITY_SENDERS_CONTACTS: return SOURCE_CONTACT;
630            case Policy.PRIORITY_SENDERS_STARRED: return SOURCE_STAR;
631            case Policy.PRIORITY_SENDERS_ANY: return SOURCE_ANYONE;
632            default: return def;
633        }
634    }
635
636    public void applyNotificationPolicy(Policy policy) {
637        if (policy == null) return;
638        allowCalls = (policy.priorityCategories & Policy.PRIORITY_CATEGORY_CALLS) != 0;
639        allowMessages = (policy.priorityCategories & Policy.PRIORITY_CATEGORY_MESSAGES) != 0;
640        allowEvents = (policy.priorityCategories & Policy.PRIORITY_CATEGORY_EVENTS) != 0;
641        allowReminders = (policy.priorityCategories & Policy.PRIORITY_CATEGORY_REMINDERS) != 0;
642        allowRepeatCallers = (policy.priorityCategories & Policy.PRIORITY_CATEGORY_REPEAT_CALLERS)
643                != 0;
644        allowCallsFrom = prioritySendersToSource(policy.priorityCallSenders, allowCallsFrom);
645        allowMessagesFrom = prioritySendersToSource(policy.priorityMessageSenders,
646                allowMessagesFrom);
647    }
648
649    public static Condition toTimeCondition(Context context, int minutesFromNow, int userHandle) {
650        return toTimeCondition(context, minutesFromNow, userHandle, false /*shortVersion*/);
651    }
652
653    public static Condition toTimeCondition(Context context, int minutesFromNow, int userHandle,
654            boolean shortVersion) {
655        final long now = System.currentTimeMillis();
656        final long millis = minutesFromNow == 0 ? ZERO_VALUE_MS : minutesFromNow * MINUTES_MS;
657        return toTimeCondition(context, now + millis, minutesFromNow, userHandle, shortVersion);
658    }
659
660    public static Condition toTimeCondition(Context context, long time, int minutes,
661            int userHandle, boolean shortVersion) {
662        final int num;
663        String summary, line1, line2;
664        final CharSequence formattedTime = getFormattedTime(context, time, minutes, userHandle);
665        final Resources res = context.getResources();
666        if (minutes < 60) {
667            // display as minutes
668            num = minutes;
669            int summaryResId = shortVersion ? R.plurals.zen_mode_duration_minutes_summary_short
670                    : R.plurals.zen_mode_duration_minutes_summary;
671            summary = res.getQuantityString(summaryResId, num, num, formattedTime);
672            int line1ResId = shortVersion ? R.plurals.zen_mode_duration_minutes_short
673                    : R.plurals.zen_mode_duration_minutes;
674            line1 = res.getQuantityString(line1ResId, num, num, formattedTime);
675            line2 = res.getString(R.string.zen_mode_until, formattedTime);
676        } else if (minutes < DAY_MINUTES) {
677            // display as hours
678            num =  Math.round(minutes / 60f);
679            int summaryResId = shortVersion ? R.plurals.zen_mode_duration_hours_summary_short
680                    : R.plurals.zen_mode_duration_hours_summary;
681            summary = res.getQuantityString(summaryResId, num, num, formattedTime);
682            int line1ResId = shortVersion ? R.plurals.zen_mode_duration_hours_short
683                    : R.plurals.zen_mode_duration_hours;
684            line1 = res.getQuantityString(line1ResId, num, num, formattedTime);
685            line2 = res.getString(R.string.zen_mode_until, formattedTime);
686        } else {
687            // display as day/time
688            summary = line1 = line2 = res.getString(R.string.zen_mode_until, formattedTime);
689        }
690        final Uri id = toCountdownConditionId(time);
691        return new Condition(id, summary, line1, line2, 0, Condition.STATE_TRUE,
692                Condition.FLAG_RELEVANT_NOW);
693    }
694
695    public static Condition toNextAlarmCondition(Context context, long now, long alarm,
696            int userHandle) {
697        int minutes = Math.round((alarm-now) / (float) MINUTES_MS);
698        final CharSequence formattedTime = getFormattedTime(context, alarm, minutes, userHandle);
699        final Resources res = context.getResources();
700        final String line1 = res.getString(R.string.zen_mode_alarm, formattedTime);
701        final Uri id = toCountdownConditionId(alarm);
702        return new Condition(id, "", line1, "", 0, Condition.STATE_TRUE,
703                Condition.FLAG_RELEVANT_NOW);
704    }
705
706    private static CharSequence getFormattedTime(Context context, long time, int minutes,
707            int userHandle) {
708        String skeleton = DateFormat.is24HourFormat(context, userHandle) ? "Hm" : "hma";
709        if (minutes > DAY_MINUTES) {
710            skeleton = "EEE " + (DateFormat.is24HourFormat(context, userHandle) ? "Hm" : "hma");
711        }
712        final String pattern = DateFormat.getBestDateTimePattern(Locale.getDefault(), skeleton);
713        return DateFormat.format(pattern, time);
714    }
715
716    // ==== Built-in system conditions ====
717
718    public static final String SYSTEM_AUTHORITY = "android";
719
720    // ==== Built-in system condition: countdown ====
721
722    public static final String COUNTDOWN_PATH = "countdown";
723
724    public static Uri toCountdownConditionId(long time) {
725        return new Uri.Builder().scheme(Condition.SCHEME)
726                .authority(SYSTEM_AUTHORITY)
727                .appendPath(COUNTDOWN_PATH)
728                .appendPath(Long.toString(time))
729                .build();
730    }
731
732    public static long tryParseCountdownConditionId(Uri conditionId) {
733        if (!Condition.isValidId(conditionId, SYSTEM_AUTHORITY)) return 0;
734        if (conditionId.getPathSegments().size() != 2
735                || !COUNTDOWN_PATH.equals(conditionId.getPathSegments().get(0))) return 0;
736        try {
737            return Long.parseLong(conditionId.getPathSegments().get(1));
738        } catch (RuntimeException e) {
739            Slog.w(TAG, "Error parsing countdown condition: " + conditionId, e);
740            return 0;
741        }
742    }
743
744    public static boolean isValidCountdownConditionId(Uri conditionId) {
745        return tryParseCountdownConditionId(conditionId) != 0;
746    }
747
748    // ==== Built-in system condition: schedule ====
749
750    public static final String SCHEDULE_PATH = "schedule";
751
752    public static Uri toScheduleConditionId(ScheduleInfo schedule) {
753        return new Uri.Builder().scheme(Condition.SCHEME)
754                .authority(SYSTEM_AUTHORITY)
755                .appendPath(SCHEDULE_PATH)
756                .appendQueryParameter("days", toDayList(schedule.days))
757                .appendQueryParameter("start", schedule.startHour + "." + schedule.startMinute)
758                .appendQueryParameter("end", schedule.endHour + "." + schedule.endMinute)
759                .build();
760    }
761
762    public static boolean isValidScheduleConditionId(Uri conditionId) {
763        return tryParseScheduleConditionId(conditionId) != null;
764    }
765
766    public static ScheduleInfo tryParseScheduleConditionId(Uri conditionId) {
767        final boolean isSchedule =  conditionId != null
768                && conditionId.getScheme().equals(Condition.SCHEME)
769                && conditionId.getAuthority().equals(ZenModeConfig.SYSTEM_AUTHORITY)
770                && conditionId.getPathSegments().size() == 1
771                && conditionId.getPathSegments().get(0).equals(ZenModeConfig.SCHEDULE_PATH);
772        if (!isSchedule) return null;
773        final int[] start = tryParseHourAndMinute(conditionId.getQueryParameter("start"));
774        final int[] end = tryParseHourAndMinute(conditionId.getQueryParameter("end"));
775        if (start == null || end == null) return null;
776        final ScheduleInfo rt = new ScheduleInfo();
777        rt.days = tryParseDayList(conditionId.getQueryParameter("days"), "\\.");
778        rt.startHour = start[0];
779        rt.startMinute = start[1];
780        rt.endHour = end[0];
781        rt.endMinute = end[1];
782        return rt;
783    }
784
785    public static ComponentName getScheduleConditionProvider() {
786        return new ComponentName(SYSTEM_AUTHORITY, "ScheduleConditionProvider");
787    }
788
789    public static class ScheduleInfo {
790        public int[] days;
791        public int startHour;
792        public int startMinute;
793        public int endHour;
794        public int endMinute;
795
796        @Override
797        public int hashCode() {
798            return 0;
799        }
800
801        @Override
802        public boolean equals(Object o) {
803            if (!(o instanceof ScheduleInfo)) return false;
804            final ScheduleInfo other = (ScheduleInfo) o;
805            return toDayList(days).equals(toDayList(other.days))
806                    && startHour == other.startHour
807                    && startMinute == other.startMinute
808                    && endHour == other.endHour
809                    && endMinute == other.endMinute;
810        }
811
812        public ScheduleInfo copy() {
813            final ScheduleInfo rt = new ScheduleInfo();
814            if (days != null) {
815                rt.days = new int[days.length];
816                System.arraycopy(days, 0, rt.days, 0, days.length);
817            }
818            rt.startHour = startHour;
819            rt.startMinute = startMinute;
820            rt.endHour = endHour;
821            rt.endMinute = endMinute;
822            return rt;
823        }
824    }
825
826    // ==== Built-in system condition: event ====
827
828    public static final String EVENT_PATH = "event";
829
830    public static Uri toEventConditionId(EventInfo event) {
831        return new Uri.Builder().scheme(Condition.SCHEME)
832                .authority(SYSTEM_AUTHORITY)
833                .appendPath(EVENT_PATH)
834                .appendQueryParameter("userId", Long.toString(event.userId))
835                .appendQueryParameter("calendar", event.calendar != null ? event.calendar : "")
836                .appendQueryParameter("reply", Integer.toString(event.reply))
837                .build();
838    }
839
840    public static boolean isValidEventConditionId(Uri conditionId) {
841        return tryParseEventConditionId(conditionId) != null;
842    }
843
844    public static EventInfo tryParseEventConditionId(Uri conditionId) {
845        final boolean isEvent = conditionId != null
846                && conditionId.getScheme().equals(Condition.SCHEME)
847                && conditionId.getAuthority().equals(ZenModeConfig.SYSTEM_AUTHORITY)
848                && conditionId.getPathSegments().size() == 1
849                && conditionId.getPathSegments().get(0).equals(EVENT_PATH);
850        if (!isEvent) return null;
851        final EventInfo rt = new EventInfo();
852        rt.userId = tryParseInt(conditionId.getQueryParameter("userId"), UserHandle.USER_NULL);
853        rt.calendar = conditionId.getQueryParameter("calendar");
854        if (TextUtils.isEmpty(rt.calendar) || tryParseLong(rt.calendar, -1L) != -1L) {
855            rt.calendar = null;
856        }
857        rt.reply = tryParseInt(conditionId.getQueryParameter("reply"), 0);
858        return rt;
859    }
860
861    public static ComponentName getEventConditionProvider() {
862        return new ComponentName(SYSTEM_AUTHORITY, "EventConditionProvider");
863    }
864
865    public static class EventInfo {
866        public static final int REPLY_ANY_EXCEPT_NO = 0;
867        public static final int REPLY_YES_OR_MAYBE = 1;
868        public static final int REPLY_YES = 2;
869
870        public int userId = UserHandle.USER_NULL;  // USER_NULL = unspecified - use current user
871        public String calendar;  // CalendarContract.Calendars.OWNER_ACCOUNT, or null for any
872        public int reply;
873
874        @Override
875        public int hashCode() {
876            return 0;
877        }
878
879        @Override
880        public boolean equals(Object o) {
881            if (!(o instanceof EventInfo)) return false;
882            final EventInfo other = (EventInfo) o;
883            return userId == other.userId
884                    && Objects.equals(calendar, other.calendar)
885                    && reply == other.reply;
886        }
887
888        public EventInfo copy() {
889            final EventInfo rt = new EventInfo();
890            rt.userId = userId;
891            rt.calendar = calendar;
892            rt.reply = reply;
893            return rt;
894        }
895
896        public static int resolveUserId(int userId) {
897            return userId == UserHandle.USER_NULL ? ActivityManager.getCurrentUser() : userId;
898        }
899    }
900
901    // ==== End built-in system conditions ====
902
903    private static int[] tryParseHourAndMinute(String value) {
904        if (TextUtils.isEmpty(value)) return null;
905        final int i = value.indexOf('.');
906        if (i < 1 || i >= value.length() - 1) return null;
907        final int hour = tryParseInt(value.substring(0, i), -1);
908        final int minute = tryParseInt(value.substring(i + 1), -1);
909        return isValidHour(hour) && isValidMinute(minute) ? new int[] { hour, minute } : null;
910    }
911
912    private static int tryParseZenMode(String value, int defValue) {
913        final int rt = tryParseInt(value, defValue);
914        return Global.isValidZenMode(rt) ? rt : defValue;
915    }
916
917    public static String newRuleId() {
918        return UUID.randomUUID().toString().replace("-", "");
919    }
920
921    public static String getConditionSummary(Context context, ZenModeConfig config,
922            int userHandle, boolean shortVersion) {
923        return getConditionLine(context, config, userHandle, false /*useLine1*/, shortVersion);
924    }
925
926    private static String getConditionLine(Context context, ZenModeConfig config,
927            int userHandle, boolean useLine1, boolean shortVersion) {
928        if (config == null) return "";
929        if (config.manualRule != null) {
930            final Uri id = config.manualRule.conditionId;
931            if (id == null) {
932                return context.getString(com.android.internal.R.string.zen_mode_forever);
933            }
934            final long time = tryParseCountdownConditionId(id);
935            Condition c = config.manualRule.condition;
936            if (time > 0) {
937                final long now = System.currentTimeMillis();
938                final long span = time - now;
939                c = toTimeCondition(context, time, Math.round(span / (float) MINUTES_MS),
940                        userHandle, shortVersion);
941            }
942            final String rt = c == null ? "" : useLine1 ? c.line1 : c.summary;
943            return TextUtils.isEmpty(rt) ? "" : rt;
944        }
945        String summary = "";
946        for (ZenRule automaticRule : config.automaticRules.values()) {
947            if (automaticRule.isAutomaticActive()) {
948                if (summary.isEmpty()) {
949                    summary = automaticRule.name;
950                } else {
951                    summary = context.getResources()
952                            .getString(R.string.zen_mode_rule_name_combination, summary,
953                                    automaticRule.name);
954                }
955            }
956        }
957        return summary;
958    }
959
960    public static class ZenRule implements Parcelable {
961        public boolean enabled;
962        public boolean snoozing;         // user manually disabled this instance
963        public String name;              // required for automatic (unique)
964        public int zenMode;
965        public Uri conditionId;          // required for automatic
966        public Condition condition;      // optional
967        public ComponentName component;  // optional
968        public String id;                // required for automatic (unique)
969        public long creationTime;        // required for automatic
970
971        public ZenRule() { }
972
973        public ZenRule(Parcel source) {
974            enabled = source.readInt() == 1;
975            snoozing = source.readInt() == 1;
976            if (source.readInt() == 1) {
977                name = source.readString();
978            }
979            zenMode = source.readInt();
980            conditionId = source.readParcelable(null);
981            condition = source.readParcelable(null);
982            component = source.readParcelable(null);
983            if (source.readInt() == 1) {
984                id = source.readString();
985            }
986            creationTime = source.readLong();
987        }
988
989        @Override
990        public int describeContents() {
991            return 0;
992        }
993
994        @Override
995        public void writeToParcel(Parcel dest, int flags) {
996            dest.writeInt(enabled ? 1 : 0);
997            dest.writeInt(snoozing ? 1 : 0);
998            if (name != null) {
999                dest.writeInt(1);
1000                dest.writeString(name);
1001            } else {
1002                dest.writeInt(0);
1003            }
1004            dest.writeInt(zenMode);
1005            dest.writeParcelable(conditionId, 0);
1006            dest.writeParcelable(condition, 0);
1007            dest.writeParcelable(component, 0);
1008            if (id != null) {
1009                dest.writeInt(1);
1010                dest.writeString(id);
1011            } else {
1012                dest.writeInt(0);
1013            }
1014            dest.writeLong(creationTime);
1015        }
1016
1017        @Override
1018        public String toString() {
1019            return new StringBuilder(ZenRule.class.getSimpleName()).append('[')
1020                    .append("enabled=").append(enabled)
1021                    .append(",snoozing=").append(snoozing)
1022                    .append(",name=").append(name)
1023                    .append(",zenMode=").append(Global.zenModeToString(zenMode))
1024                    .append(",conditionId=").append(conditionId)
1025                    .append(",condition=").append(condition)
1026                    .append(",component=").append(component)
1027                    .append(",id=").append(id)
1028                    .append(",creationTime=").append(creationTime)
1029                    .append(']').toString();
1030        }
1031
1032        private static void appendDiff(Diff d, String item, ZenRule from, ZenRule to) {
1033            if (d == null) return;
1034            if (from == null) {
1035                if (to != null) {
1036                    d.addLine(item, "insert");
1037                }
1038                return;
1039            }
1040            from.appendDiff(d, item, to);
1041        }
1042
1043        private void appendDiff(Diff d, String item, ZenRule to) {
1044            if (to == null) {
1045                d.addLine(item, "delete");
1046                return;
1047            }
1048            if (enabled != to.enabled) {
1049                d.addLine(item, "enabled", enabled, to.enabled);
1050            }
1051            if (snoozing != to.snoozing) {
1052                d.addLine(item, "snoozing", snoozing, to.snoozing);
1053            }
1054            if (!Objects.equals(name, to.name)) {
1055                d.addLine(item, "name", name, to.name);
1056            }
1057            if (zenMode != to.zenMode) {
1058                d.addLine(item, "zenMode", zenMode, to.zenMode);
1059            }
1060            if (!Objects.equals(conditionId, to.conditionId)) {
1061                d.addLine(item, "conditionId", conditionId, to.conditionId);
1062            }
1063            if (!Objects.equals(condition, to.condition)) {
1064                d.addLine(item, "condition", condition, to.condition);
1065            }
1066            if (!Objects.equals(component, to.component)) {
1067                d.addLine(item, "component", component, to.component);
1068            }
1069            if (!Objects.equals(id, to.id)) {
1070                d.addLine(item, "id", id, to.id);
1071            }
1072            if (creationTime == to.creationTime) {
1073                d.addLine(item, "creationTime", creationTime, to.creationTime);
1074            }
1075        }
1076
1077        @Override
1078        public boolean equals(Object o) {
1079            if (!(o instanceof ZenRule)) return false;
1080            if (o == this) return true;
1081            final ZenRule other = (ZenRule) o;
1082            return other.enabled == enabled
1083                    && other.snoozing == snoozing
1084                    && Objects.equals(other.name, name)
1085                    && other.zenMode == zenMode
1086                    && Objects.equals(other.conditionId, conditionId)
1087                    && Objects.equals(other.condition, condition)
1088                    && Objects.equals(other.component, component)
1089                    && Objects.equals(other.id, id)
1090                    && other.creationTime == creationTime;
1091        }
1092
1093        @Override
1094        public int hashCode() {
1095            return Objects.hash(enabled, snoozing, name, zenMode, conditionId, condition,
1096                    component, id, creationTime);
1097        }
1098
1099        public boolean isAutomaticActive() {
1100            return enabled && !snoozing && component != null && isTrueOrUnknown();
1101        }
1102
1103        public boolean isTrueOrUnknown() {
1104            return condition != null && (condition.state == Condition.STATE_TRUE
1105                    || condition.state == Condition.STATE_UNKNOWN);
1106        }
1107
1108        public static final Parcelable.Creator<ZenRule> CREATOR
1109                = new Parcelable.Creator<ZenRule>() {
1110            @Override
1111            public ZenRule createFromParcel(Parcel source) {
1112                return new ZenRule(source);
1113            }
1114            @Override
1115            public ZenRule[] newArray(int size) {
1116                return new ZenRule[size];
1117            }
1118        };
1119    }
1120
1121    // Legacy config
1122    public static final class XmlV1 {
1123        public static final String SLEEP_MODE_NIGHTS = "nights";
1124        public static final String SLEEP_MODE_WEEKNIGHTS = "weeknights";
1125        public static final String SLEEP_MODE_DAYS_PREFIX = "days:";
1126
1127        private static final String EXIT_CONDITION_TAG = "exitCondition";
1128        private static final String EXIT_CONDITION_ATT_COMPONENT = "component";
1129        private static final String SLEEP_TAG = "sleep";
1130        private static final String SLEEP_ATT_MODE = "mode";
1131        private static final String SLEEP_ATT_NONE = "none";
1132
1133        private static final String SLEEP_ATT_START_HR = "startHour";
1134        private static final String SLEEP_ATT_START_MIN = "startMin";
1135        private static final String SLEEP_ATT_END_HR = "endHour";
1136        private static final String SLEEP_ATT_END_MIN = "endMin";
1137
1138        public boolean allowCalls;
1139        public boolean allowMessages;
1140        public boolean allowReminders = DEFAULT_ALLOW_REMINDERS;
1141        public boolean allowEvents = DEFAULT_ALLOW_EVENTS;
1142        public int allowFrom = SOURCE_ANYONE;
1143
1144        public String sleepMode;     // nights, weeknights, days:1,2,3  Calendar.days
1145        public int sleepStartHour;   // 0-23
1146        public int sleepStartMinute; // 0-59
1147        public int sleepEndHour;
1148        public int sleepEndMinute;
1149        public boolean sleepNone;    // false = priority, true = none
1150        public ComponentName[] conditionComponents;
1151        public Uri[] conditionIds;
1152        public Condition exitCondition;  // manual exit condition
1153        public ComponentName exitConditionComponent;  // manual exit condition component
1154
1155        private static boolean isValidSleepMode(String sleepMode) {
1156            return sleepMode == null || sleepMode.equals(SLEEP_MODE_NIGHTS)
1157                    || sleepMode.equals(SLEEP_MODE_WEEKNIGHTS) || tryParseDays(sleepMode) != null;
1158        }
1159
1160        public static int[] tryParseDays(String sleepMode) {
1161            if (sleepMode == null) return null;
1162            sleepMode = sleepMode.trim();
1163            if (SLEEP_MODE_NIGHTS.equals(sleepMode)) return ALL_DAYS;
1164            if (SLEEP_MODE_WEEKNIGHTS.equals(sleepMode)) return WEEKNIGHT_DAYS;
1165            if (!sleepMode.startsWith(SLEEP_MODE_DAYS_PREFIX)) return null;
1166            if (sleepMode.equals(SLEEP_MODE_DAYS_PREFIX)) return null;
1167            return tryParseDayList(sleepMode.substring(SLEEP_MODE_DAYS_PREFIX.length()), ",");
1168        }
1169
1170        public static XmlV1 readXml(XmlPullParser parser)
1171                throws XmlPullParserException, IOException {
1172            int type;
1173            String tag;
1174            XmlV1 rt = new XmlV1();
1175            final ArrayList<ComponentName> conditionComponents = new ArrayList<ComponentName>();
1176            final ArrayList<Uri> conditionIds = new ArrayList<Uri>();
1177            while ((type = parser.next()) != XmlPullParser.END_DOCUMENT) {
1178                tag = parser.getName();
1179                if (type == XmlPullParser.END_TAG && ZEN_TAG.equals(tag)) {
1180                    if (!conditionComponents.isEmpty()) {
1181                        rt.conditionComponents = conditionComponents
1182                                .toArray(new ComponentName[conditionComponents.size()]);
1183                        rt.conditionIds = conditionIds.toArray(new Uri[conditionIds.size()]);
1184                    }
1185                    return rt;
1186                }
1187                if (type == XmlPullParser.START_TAG) {
1188                    if (ALLOW_TAG.equals(tag)) {
1189                        rt.allowCalls = safeBoolean(parser, ALLOW_ATT_CALLS, false);
1190                        rt.allowMessages = safeBoolean(parser, ALLOW_ATT_MESSAGES, false);
1191                        rt.allowReminders = safeBoolean(parser, ALLOW_ATT_REMINDERS,
1192                                DEFAULT_ALLOW_REMINDERS);
1193                        rt.allowEvents = safeBoolean(parser, ALLOW_ATT_EVENTS,
1194                                DEFAULT_ALLOW_EVENTS);
1195                        rt.allowFrom = safeInt(parser, ALLOW_ATT_FROM, SOURCE_ANYONE);
1196                        if (rt.allowFrom < SOURCE_ANYONE || rt.allowFrom > MAX_SOURCE) {
1197                            throw new IndexOutOfBoundsException("bad source in config:"
1198                                    + rt.allowFrom);
1199                        }
1200                    } else if (SLEEP_TAG.equals(tag)) {
1201                        final String mode = parser.getAttributeValue(null, SLEEP_ATT_MODE);
1202                        rt.sleepMode = isValidSleepMode(mode)? mode : null;
1203                        rt.sleepNone = safeBoolean(parser, SLEEP_ATT_NONE, false);
1204                        final int startHour = safeInt(parser, SLEEP_ATT_START_HR, 0);
1205                        final int startMinute = safeInt(parser, SLEEP_ATT_START_MIN, 0);
1206                        final int endHour = safeInt(parser, SLEEP_ATT_END_HR, 0);
1207                        final int endMinute = safeInt(parser, SLEEP_ATT_END_MIN, 0);
1208                        rt.sleepStartHour = isValidHour(startHour) ? startHour : 0;
1209                        rt.sleepStartMinute = isValidMinute(startMinute) ? startMinute : 0;
1210                        rt.sleepEndHour = isValidHour(endHour) ? endHour : 0;
1211                        rt.sleepEndMinute = isValidMinute(endMinute) ? endMinute : 0;
1212                    } else if (CONDITION_TAG.equals(tag)) {
1213                        final ComponentName component =
1214                                safeComponentName(parser, CONDITION_ATT_COMPONENT);
1215                        final Uri conditionId = safeUri(parser, CONDITION_ATT_ID);
1216                        if (component != null && conditionId != null) {
1217                            conditionComponents.add(component);
1218                            conditionIds.add(conditionId);
1219                        }
1220                    } else if (EXIT_CONDITION_TAG.equals(tag)) {
1221                        rt.exitCondition = readConditionXml(parser);
1222                        if (rt.exitCondition != null) {
1223                            rt.exitConditionComponent =
1224                                    safeComponentName(parser, EXIT_CONDITION_ATT_COMPONENT);
1225                        }
1226                    }
1227                }
1228            }
1229            throw new IllegalStateException("Failed to reach END_DOCUMENT");
1230        }
1231    }
1232
1233    public interface Migration {
1234        ZenModeConfig migrate(XmlV1 v1);
1235    }
1236
1237    public static class Diff {
1238        private final ArrayList<String> lines = new ArrayList<>();
1239
1240        @Override
1241        public String toString() {
1242            final StringBuilder sb = new StringBuilder("Diff[");
1243            final int N = lines.size();
1244            for (int i = 0; i < N; i++) {
1245                if (i > 0) {
1246                    sb.append(',');
1247                }
1248                sb.append(lines.get(i));
1249            }
1250            return sb.append(']').toString();
1251        }
1252
1253        private Diff addLine(String item, String action) {
1254            lines.add(item + ":" + action);
1255            return this;
1256        }
1257
1258        public Diff addLine(String item, String subitem, Object from, Object to) {
1259            return addLine(item + "." + subitem, from, to);
1260        }
1261
1262        public Diff addLine(String item, Object from, Object to) {
1263            return addLine(item, from + "->" + to);
1264        }
1265    }
1266
1267}
1268