CalendarContract.java revision 48ec622265b922de08ded4dd0e04281b5cfe2ed9
1/*
2 * Copyright (C) 2006 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.provider;
18
19
20import android.annotation.SdkConstant;
21import android.annotation.SdkConstant.SdkConstantType;
22import android.app.AlarmManager;
23import android.app.PendingIntent;
24import android.content.ContentProviderClient;
25import android.content.ContentResolver;
26import android.content.ContentUris;
27import android.content.ContentValues;
28import android.content.Context;
29import android.content.CursorEntityIterator;
30import android.content.Entity;
31import android.content.EntityIterator;
32import android.content.Intent;
33import android.database.Cursor;
34import android.database.DatabaseUtils;
35import android.net.Uri;
36import android.os.RemoteException;
37import android.text.format.DateUtils;
38import android.text.format.Time;
39import android.util.Log;
40
41/**
42 * <p>
43 * The contract between the calendar provider and applications. Contains
44 * definitions for the supported URIs and data columns.
45 * </p>
46 * <h3>Overview</h3>
47 * <p>
48 * CalendarContract defines the data model of calendar and event related
49 * information. This data is stored in a number of tables:
50 * </p>
51 * <ul>
52 * <li>The {@link Calendars} table holds the calendar specific information. Each
53 * row in this table contains the details for a single calendar, such as the
54 * name, color, sync info, etc.</li>
55 * <li>The {@link Events} table holds the event specific information. Each row
56 * in this table has the info for a single event. It contains information such
57 * as event title, location, start time, end time, etc. The event can occur
58 * one-time or can recur multiple times. Attendees, reminders, and extended
59 * properties are stored on separate tables and reference the {@link Events#_ID}
60 * to link them with the event.</li>
61 * <li>The {@link Instances} table holds the start and end time for occurrences
62 * of an event. Each row in this table represents a single occurrence. For
63 * one-time events there will be a 1:1 mapping of instances to events. For
64 * recurring events, multiple rows will automatically be generated which
65 * correspond to multiple occurrences of that event.</li>
66 * <li>The {@link Attendees} table holds the event attendee or guest
67 * information. Each row represents a single guest of an event. It specifies the
68 * type of guest they are and their attendance response for the event.</li>
69 * <li>The {@link Reminders} table holds the alert/notification data. Each row
70 * represents a single alert for an event. An event can have multiple reminders.
71 * The number of reminders per event is specified in
72 * {@link Calendars#MAX_REMINDERS} which is set by the Sync Adapter that owns
73 * the given calendar. Reminders are specified in minutes before the event and
74 * have a type.</li>
75 * <li>The {@link ExtendedProperties} table holds opaque data fields used by the
76 * sync adapter. The provider takes no action with items in this table except to
77 * delete them when their related events are deleted.</li>
78 * </ul>
79 * <p>
80 * Other tables include:
81 * </p>
82 * <ul>
83 * <li>
84 * {@link SyncState}, which contains free-form data maintained by the sync
85 * adapters</li>
86 * </ul>
87 *
88 */
89public final class CalendarContract {
90    private static final String TAG = "Calendar";
91
92    /**
93     * Broadcast Action: This is the intent that gets fired when an alarm
94     * notification needs to be posted for a reminder.
95     *
96     */
97    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
98    public static final String ACTION_EVENT_REMINDER = "android.intent.action.EVENT_REMINDER";
99
100    /**
101     * Intent Extras key: The start time of an event or an instance of a
102     * recurring event. (milliseconds since epoch)
103     */
104    public static final String EXTRA_EVENT_BEGIN_TIME = "beginTime";
105
106    /**
107     * Intent Extras key: The end time of an event or an instance of a recurring
108     * event. (milliseconds since epoch)
109     */
110    public static final String EXTRA_EVENT_END_TIME = "endTime";
111
112    /**
113     * Intent Extras key: When creating an event, set this to true to create an
114     * all-day event by default
115     */
116    public static final String EXTRA_EVENT_ALL_DAY = "allDay";
117
118    /**
119     * This authority is used for writing to or querying from the calendar
120     * provider. Note: This is set at first run and cannot be changed without
121     * breaking apps that access the provider.
122     */
123    public static final String AUTHORITY = "com.android.calendar";
124
125    /**
126     * The content:// style URL for the top-level calendar authority
127     */
128    public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY);
129
130    /**
131     * An optional insert, update or delete URI parameter that allows the caller
132     * to specify that it is a sync adapter. The default value is false. If set
133     * to true, the modified row is not marked as "dirty" (needs to be synced)
134     * and when the provider calls
135     * {@link ContentResolver#notifyChange(android.net.Uri, android.database.ContentObserver, boolean)}
136     * , the third parameter "syncToNetwork" is set to false. Furthermore, if
137     * set to true, the caller must also include
138     * {@link Calendars#ACCOUNT_NAME} and {@link Calendars#ACCOUNT_TYPE} as
139     * query parameters.
140     *
141     * @see Uri.Builder#appendQueryParameter(java.lang.String, java.lang.String)
142     */
143    public static final String CALLER_IS_SYNCADAPTER = "caller_is_syncadapter";
144
145    /**
146     * A special account type for calendars not associated with any account.
147     * Normally calendars that do not match an account on the device will be
148     * removed. Setting the account_type on a calendar to this will prevent it
149     * from being wiped if it does not match an existing account.
150     *
151     * @see SyncColumns#ACCOUNT_TYPE
152     */
153    public static final String ACCOUNT_TYPE_LOCAL = "LOCAL";
154
155    /**
156     * This utility class cannot be instantiated
157     */
158    private CalendarContract() {}
159
160    /**
161     * Generic columns for use by sync adapters. The specific functions of these
162     * columns are private to the sync adapter. Other clients of the API should
163     * not attempt to either read or write this column. These columns are
164     * editable as part of the Calendars Uri, but can only be read if accessed
165     * through any other Uri.
166     */
167    protected interface CalendarSyncColumns {
168
169
170        /**
171         * Generic column for use by sync adapters. Column name.
172         * <P>Type: TEXT</P>
173         */
174        public static final String CAL_SYNC1 = "cal_sync1";
175
176        /**
177         * Generic column for use by sync adapters. Column name.
178         * <P>Type: TEXT</P>
179         */
180        public static final String CAL_SYNC2 = "cal_sync2";
181
182        /**
183         * Generic column for use by sync adapters. Column name.
184         * <P>Type: TEXT</P>
185         */
186        public static final String CAL_SYNC3 = "cal_sync3";
187
188        /**
189         * Generic column for use by sync adapters. Column name.
190         * <P>Type: TEXT</P>
191         */
192        public static final String CAL_SYNC4 = "cal_sync4";
193
194        /**
195         * Generic column for use by sync adapters. Column name.
196         * <P>Type: TEXT</P>
197         */
198        public static final String CAL_SYNC5 = "cal_sync5";
199
200        /**
201         * Generic column for use by sync adapters. Column name.
202         * <P>Type: TEXT</P>
203         */
204        public static final String CAL_SYNC6 = "cal_sync6";
205
206        /**
207         * Generic column for use by sync adapters. Column name.
208         * <P>Type: TEXT</P>
209         */
210        public static final String CAL_SYNC7 = "cal_sync7";
211
212        /**
213         * Generic column for use by sync adapters. Column name.
214         * <P>Type: TEXT</P>
215         */
216        public static final String CAL_SYNC8 = "cal_sync8";
217
218        /**
219         * Generic column for use by sync adapters. Column name.
220         * <P>Type: TEXT</P>
221         */
222        public static final String CAL_SYNC9 = "cal_sync9";
223
224        /**
225         * Generic column for use by sync adapters. Column name.
226         * <P>Type: TEXT</P>
227         */
228        public static final String CAL_SYNC10 = "cal_sync10";
229    }
230
231    /**
232     * Columns for Sync information used by Calendars and Events tables. These
233     * have specific uses which are expected to be consistent by the app and
234     * sync adapter.
235     *
236     */
237    protected interface SyncColumns extends CalendarSyncColumns {
238        /**
239         * The account that was used to sync the entry to the device. If the
240         * account_type is not {@link #ACCOUNT_TYPE_LOCAL} then the name and
241         * type must match an account on the device or the calendar will be
242         * deleted.
243         * <P>Type: TEXT</P>
244         */
245        public static final String ACCOUNT_NAME = "account_name";
246
247        /**
248         * The type of the account that was used to sync the entry to the
249         * device. A type of {@link #ACCOUNT_TYPE_LOCAL} will keep this event
250         * form being deleted if there are no matching accounts on the device.
251         * <P>Type: TEXT</P>
252         */
253        public static final String ACCOUNT_TYPE = "account_type";
254
255        /**
256         * The unique ID for a row assigned by the sync source. NULL if the row
257         * has never been synced. This is used as a reference id for exceptions
258         * along with {@link BaseColumns#_ID}.
259         * <P>Type: TEXT</P>
260         */
261        public static final String _SYNC_ID = "_sync_id";
262
263        /**
264         * Used to indicate that local, unsynced, changes are present.
265         * <P>Type: INTEGER (long)</P>
266         */
267        public static final String DIRTY = "dirty";
268
269        /**
270         * Whether the row has been deleted but not synced to the server. A
271         * deleted row should be ignored.
272         * <P>
273         * Type: INTEGER (boolean)
274         * </P>
275         */
276        public static final String DELETED = "deleted";
277
278        /**
279         * If set to 1 this causes events on this calendar to be duplicated with
280         * {@link Events#LAST_SYNCED} set to 1 whenever the event
281         * transitions from non-dirty to dirty. The duplicated event will not be
282         * expanded in the instances table and will only show up in sync adapter
283         * queries of the events table. It will also be deleted when the
284         * originating event has its dirty flag cleared by the sync adapter.
285         * <P>Type: INTEGER (boolean)</P>
286         */
287        public static final String CAN_PARTIALLY_UPDATE = "canPartiallyUpdate";
288    }
289
290    /**
291     * Columns specific to the Calendars Uri that other Uris can query.
292     */
293    protected interface CalendarColumns {
294        /**
295         * The color of the calendar. This should only be updated by the sync
296         * adapter, not other apps, as changing a calendar's color can adversely
297         * affect its display.
298         * <P>Type: INTEGER (color value)</P>
299         */
300        public static final String CALENDAR_COLOR = "calendar_color";
301
302        /**
303         * A key for looking up a color from the {@link Colors} table. NULL or
304         * an empty string are reserved for indicating that the calendar does
305         * not use a key for looking up the color. The provider will update
306         * {@link #CALENDAR_COLOR} automatically when a valid key is written to
307         * this column. The key must reference an existing row of the
308         * {@link Colors} table. @see Colors
309         * <P>
310         * Type: TEXT
311         * </P>
312         */
313        public static final String CALENDAR_COLOR_KEY = "calendar_color_index";
314
315        /**
316         * The display name of the calendar. Column name.
317         * <P>
318         * Type: TEXT
319         * </P>
320         */
321        public static final String CALENDAR_DISPLAY_NAME = "calendar_displayName";
322
323        /**
324         * The level of access that the user has for the calendar
325         * <P>Type: INTEGER (one of the values below)</P>
326         */
327        public static final String CALENDAR_ACCESS_LEVEL = "calendar_access_level";
328
329        /** Cannot access the calendar */
330        public static final int CAL_ACCESS_NONE = 0;
331        /** Can only see free/busy information about the calendar */
332        public static final int CAL_ACCESS_FREEBUSY = 100;
333        /** Can read all event details */
334        public static final int CAL_ACCESS_READ = 200;
335        /** Can reply yes/no/maybe to an event */
336        public static final int CAL_ACCESS_RESPOND = 300;
337        /** not used */
338        public static final int CAL_ACCESS_OVERRIDE = 400;
339        /** Full access to modify the calendar, but not the access control
340         * settings
341         */
342        public static final int CAL_ACCESS_CONTRIBUTOR = 500;
343        /** Full access to modify the calendar, but not the access control
344         * settings
345         */
346        public static final int CAL_ACCESS_EDITOR = 600;
347        /** Full access to the calendar */
348        public static final int CAL_ACCESS_OWNER = 700;
349        /** Domain admin */
350        public static final int CAL_ACCESS_ROOT = 800;
351
352        /**
353         * Is the calendar selected to be displayed?
354         * 0 - do not show events associated with this calendar.
355         * 1 - show events associated with this calendar
356         * <P>Type: INTEGER (boolean)</P>
357         */
358        public static final String VISIBLE = "visible";
359
360        /**
361         * The time zone the calendar is associated with.
362         * <P>Type: TEXT</P>
363         */
364        public static final String CALENDAR_TIME_ZONE = "calendar_timezone";
365
366        /**
367         * Is this calendar synced and are its events stored on the device?
368         * 0 - Do not sync this calendar or store events for this calendar.
369         * 1 - Sync down events for this calendar.
370         * <p>Type: INTEGER (boolean)</p>
371         */
372        public static final String SYNC_EVENTS = "sync_events";
373
374        /**
375         * The owner account for this calendar, based on the calendar feed.
376         * This will be different from the _SYNC_ACCOUNT for delegated calendars.
377         * Column name.
378         * <P>Type: String</P>
379         */
380        public static final String OWNER_ACCOUNT = "ownerAccount";
381
382        /**
383         * Can the organizer respond to the event?  If no, the status of the
384         * organizer should not be shown by the UI.  Defaults to 1. Column name.
385         * <P>Type: INTEGER (boolean)</P>
386         */
387        public static final String CAN_ORGANIZER_RESPOND = "canOrganizerRespond";
388
389        /**
390         * Can the organizer modify the time zone of the event? Column name.
391         * <P>Type: INTEGER (boolean)</P>
392        */
393        public static final String CAN_MODIFY_TIME_ZONE = "canModifyTimeZone";
394
395        /**
396         * The maximum number of reminders allowed for an event. Column name.
397         * <P>Type: INTEGER</P>
398         */
399        public static final String MAX_REMINDERS = "maxReminders";
400
401        /**
402         * A comma separated list of reminder methods supported for this
403         * calendar in the format "#,#,#". Valid types are
404         * {@link Reminders#METHOD_DEFAULT}, {@link Reminders#METHOD_ALERT},
405         * {@link Reminders#METHOD_EMAIL}, {@link Reminders#METHOD_SMS},
406         * {@link Reminders#METHOD_ALARM}. Column name.
407         * <P>Type: TEXT</P>
408         */
409        public static final String ALLOWED_REMINDERS = "allowedReminders";
410
411        /**
412         * A comma separated list of availability types supported for this
413         * calendar in the format "#,#,#". Valid types are
414         * {@link Events#AVAILABILITY_BUSY}, {@link Events#AVAILABILITY_FREE},
415         * {@link Events#AVAILABILITY_TENTATIVE}. Setting this field to only
416         * {@link Events#AVAILABILITY_BUSY} should be used to indicate that
417         * changing the availability is not supported.
418         *
419         */
420        public static final String ALLOWED_AVAILABILITY = "allowedAvailability";
421
422        /**
423         * A comma separated list of attendee types supported for this calendar
424         * in the format "#,#,#". Valid types are {@link Attendees#TYPE_NONE},
425         * {@link Attendees#TYPE_OPTIONAL}, {@link Attendees#TYPE_REQUIRED},
426         * {@link Attendees#TYPE_RESOURCE}. Setting this field to only
427         * {@link Attendees#TYPE_NONE} should be used to indicate that changing
428         * the attendee type is not supported.
429         *
430         */
431        public static final String ALLOWED_ATTENDEE_TYPES = "allowedAttendeeTypes";
432    }
433
434    /**
435     * Class that represents a Calendar Entity. There is one entry per calendar.
436     * This is a helper class to make batch operations easier.
437     */
438    public static final class CalendarEntity implements BaseColumns, SyncColumns, CalendarColumns {
439
440        /**
441         * The default Uri used when creating a new calendar EntityIterator.
442         */
443        @SuppressWarnings("hiding")
444        public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY +
445                "/calendar_entities");
446
447        /**
448         * This utility class cannot be instantiated
449         */
450        private CalendarEntity() {}
451
452        /**
453         * Creates an entity iterator for the given cursor. It assumes the
454         * cursor contains a calendars query.
455         *
456         * @param cursor query on {@link #CONTENT_URI}
457         * @return an EntityIterator of calendars
458         */
459        public static EntityIterator newEntityIterator(Cursor cursor) {
460            return new EntityIteratorImpl(cursor);
461        }
462
463        private static class EntityIteratorImpl extends CursorEntityIterator {
464
465            public EntityIteratorImpl(Cursor cursor) {
466                super(cursor);
467            }
468
469            @Override
470            public Entity getEntityAndIncrementCursor(Cursor cursor) throws RemoteException {
471                // we expect the cursor is already at the row we need to read from
472                final long calendarId = cursor.getLong(cursor.getColumnIndexOrThrow(_ID));
473
474                // Create the content value
475                ContentValues cv = new ContentValues();
476                cv.put(_ID, calendarId);
477
478                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, ACCOUNT_NAME);
479                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, ACCOUNT_TYPE);
480
481                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, _SYNC_ID);
482                DatabaseUtils.cursorLongToContentValuesIfPresent(cursor, cv, DIRTY);
483
484                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, CAL_SYNC1);
485                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, CAL_SYNC2);
486                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, CAL_SYNC3);
487                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, CAL_SYNC4);
488                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, CAL_SYNC5);
489                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, CAL_SYNC6);
490                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, CAL_SYNC7);
491                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, CAL_SYNC8);
492                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, CAL_SYNC9);
493                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, CAL_SYNC10);
494
495                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, Calendars.NAME);
496                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv,
497                        Calendars.CALENDAR_DISPLAY_NAME);
498                DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv,
499                        Calendars.CALENDAR_COLOR);
500                DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv, CALENDAR_ACCESS_LEVEL);
501                DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv, VISIBLE);
502                DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv, SYNC_EVENTS);
503                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv,
504                        Calendars.CALENDAR_LOCATION);
505                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, CALENDAR_TIME_ZONE);
506                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv,
507                        Calendars.OWNER_ACCOUNT);
508                DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv,
509                        Calendars.CAN_ORGANIZER_RESPOND);
510                DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv,
511                        Calendars.CAN_MODIFY_TIME_ZONE);
512                DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv,
513                        Calendars.MAX_REMINDERS);
514                DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv,
515                        Calendars.CAN_PARTIALLY_UPDATE);
516                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv,
517                        Calendars.ALLOWED_REMINDERS);
518
519                DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv, DELETED);
520
521                // Create the Entity from the ContentValue
522                Entity entity = new Entity(cv);
523
524                // Set cursor to next row
525                cursor.moveToNext();
526
527                // Return the created Entity
528                return entity;
529            }
530        }
531     }
532
533    /**
534     * Constants and helpers for the Calendars table, which contains details for
535     * individual calendars. <h3>Operations</h3> All operations can be done
536     * either as an app or as a sync adapter. To perform an operation as a sync
537     * adapter {@link #CALLER_IS_SYNCADAPTER} should be set to true and
538     * {@link #ACCOUNT_NAME} and {@link #ACCOUNT_TYPE} must be set in the Uri
539     * parameters. See
540     * {@link Uri.Builder#appendQueryParameter(java.lang.String, java.lang.String)}
541     * for details on adding parameters. Sync adapters have write access to more
542     * columns but are restricted to a single account at a time. Calendars are
543     * designed to be primarily managed by a sync adapter and inserting new
544     * calendars should be done as a sync adapter. For the most part, apps
545     * should only update calendars (such as changing the color or display
546     * name). If a local calendar is required an app can do so by inserting as a
547     * sync adapter and using an {@link #ACCOUNT_TYPE} of
548     * {@link #ACCOUNT_TYPE_LOCAL} .
549     * <dl>
550     * <dt><b>Insert</b></dt>
551     * <dd>When inserting a new calendar the following fields must be included:
552     * <ul>
553     * <li>{@link #ACCOUNT_NAME}</li>
554     * <li>{@link #ACCOUNT_TYPE}</li>
555     * <li>{@link #NAME}</li>
556     * <li>{@link #CALENDAR_DISPLAY_NAME}</li>
557     * <li>{@link #CALENDAR_COLOR}</li>
558     * <li>{@link #CALENDAR_ACCESS_LEVEL}</li>
559     * <li>{@link #OWNER_ACCOUNT}</li>
560     * </ul>
561     * The following fields are not required when inserting a Calendar but are
562     * generally a good idea to include:
563     * <ul>
564     * <li>{@link #SYNC_EVENTS} set to 1</li>
565     * <li>{@link #CALENDAR_TIME_ZONE}</li>
566     * <li>{@link #ALLOWED_REMINDERS}</li>
567     * <li>{@link #ALLOWED_AVAILABILITY}</li>
568     * <li>{@link #ALLOWED_ATTENDEE_TYPES}</li>
569     * </ul>
570     * <dt><b>Update</b></dt>
571     * <dd>To perform an update on a calendar the {@link #_ID} of the calendar
572     * should be provided either as an appended id to the Uri (
573     * {@link ContentUris#withAppendedId}) or as the first selection item--the
574     * selection should start with "_id=?" and the first selectionArg should be
575     * the _id of the calendar. Calendars may also be updated using a selection
576     * without the id. In general, the {@link #ACCOUNT_NAME} and
577     * {@link #ACCOUNT_TYPE} should not be changed after a calendar is created
578     * as this can cause issues for sync adapters.
579     * <dt><b>Delete</b></dt>
580     * <dd>Calendars can be deleted either by the {@link #_ID} as an appended id
581     * on the Uri or using any standard selection. Deleting a calendar should
582     * generally be handled by a sync adapter as it will remove the calendar
583     * from the database and all associated data (aka events).</dd>
584     * <dt><b>Query</b></dt>
585     * <dd>Querying the Calendars table will get you all information about a set
586     * of calendars. There will be one row returned for each calendar that
587     * matches the query selection, or at most a single row if the {@link #_ID}
588     * is appended to the Uri.</dd>
589     * </dl>
590     * <h3>Calendar Columns</h3> The following Calendar columns are writable by
591     * both an app and a sync adapter.
592     * <ul>
593     * <li>{@link #NAME}</li>
594     * <li>{@link #CALENDAR_DISPLAY_NAME}</li>
595     * <li>{@link #VISIBLE}</li>
596     * <li>{@link #SYNC_EVENTS}</li>
597     * </ul>
598     * The following Calendars columns are writable only by a sync adapter
599     * <ul>
600     * <li>{@link #ACCOUNT_NAME}</li>
601     * <li>{@link #ACCOUNT_TYPE}</li>
602     * <li>{@link #CALENDAR_COLOR}</li>
603     * <li>{@link #_SYNC_ID}</li>
604     * <li>{@link #DIRTY}</li>
605     * <li>{@link #OWNER_ACCOUNT}</li>
606     * <li>{@link #MAX_REMINDERS}</li>
607     * <li>{@link #ALLOWED_REMINDERS}</li>
608     * <li>{@link #ALLOWED_AVAILABILITY}</li>
609     * <li>{@link #ALLOWED_ATTENDEE_TYPES}</li>
610     * <li>{@link #CAN_MODIFY_TIME_ZONE}</li>
611     * <li>{@link #CAN_ORGANIZER_RESPOND}</li>
612     * <li>{@link #CAN_PARTIALLY_UPDATE}</li>
613     * <li>{@link #CALENDAR_LOCATION}</li>
614     * <li>{@link #CALENDAR_TIME_ZONE}</li>
615     * <li>{@link #CALENDAR_ACCESS_LEVEL}</li>
616     * <li>{@link #DELETED}</li>
617     * <li>{@link #CAL_SYNC1}</li>
618     * <li>{@link #CAL_SYNC2}</li>
619     * <li>{@link #CAL_SYNC3}</li>
620     * <li>{@link #CAL_SYNC4}</li>
621     * <li>{@link #CAL_SYNC5}</li>
622     * <li>{@link #CAL_SYNC6}</li>
623     * <li>{@link #CAL_SYNC7}</li>
624     * <li>{@link #CAL_SYNC8}</li>
625     * <li>{@link #CAL_SYNC9}</li>
626     * <li>{@link #CAL_SYNC10}</li>
627     * </ul>
628     */
629    public static final class Calendars implements BaseColumns, SyncColumns, CalendarColumns {
630
631        /**
632         * This utility class cannot be instantiated
633         */
634        private Calendars() {}
635
636        /**
637         * The content:// style URL for accessing Calendars
638         */
639        @SuppressWarnings("hiding")
640        public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/calendars");
641
642        /**
643         * The default sort order for this table
644         */
645        public static final String DEFAULT_SORT_ORDER = CALENDAR_DISPLAY_NAME;
646
647        /**
648         * The name of the calendar. Column name.
649         * <P>Type: TEXT</P>
650         */
651        public static final String NAME = "name";
652
653        /**
654         * The default location for the calendar. Column name.
655         * <P>Type: TEXT</P>
656         */
657        public static final String CALENDAR_LOCATION = "calendar_location";
658
659        /**
660         * These fields are only writable by a sync adapter. To modify them the
661         * caller must include {@link #CALLER_IS_SYNCADAPTER},
662         * {@link #ACCOUNT_NAME}, and {@link #ACCOUNT_TYPE} in the Uri's query
663         * parameters. TODO move to provider
664         *
665         * @hide
666         */
667        public static final String[] SYNC_WRITABLE_COLUMNS = new String[] {
668            ACCOUNT_NAME,
669            ACCOUNT_TYPE,
670            _SYNC_ID,
671            DIRTY,
672            OWNER_ACCOUNT,
673            MAX_REMINDERS,
674            ALLOWED_REMINDERS,
675            CAN_MODIFY_TIME_ZONE,
676            CAN_ORGANIZER_RESPOND,
677            CAN_PARTIALLY_UPDATE,
678            CALENDAR_LOCATION,
679            CALENDAR_TIME_ZONE,
680            CALENDAR_ACCESS_LEVEL,
681            DELETED,
682            CAL_SYNC1,
683            CAL_SYNC2,
684            CAL_SYNC3,
685            CAL_SYNC4,
686            CAL_SYNC5,
687            CAL_SYNC6,
688            CAL_SYNC7,
689            CAL_SYNC8,
690            CAL_SYNC9,
691            CAL_SYNC10,
692        };
693    }
694
695    /**
696     * Columns from the Attendees table that other tables join into themselves.
697     */
698    protected interface AttendeesColumns {
699
700        /**
701         * The id of the event. Column name.
702         * <P>Type: INTEGER</P>
703         */
704        public static final String EVENT_ID = "event_id";
705
706        /**
707         * The name of the attendee. Column name.
708         * <P>Type: STRING</P>
709         */
710        public static final String ATTENDEE_NAME = "attendeeName";
711
712        /**
713         * The email address of the attendee. Column name.
714         * <P>Type: STRING</P>
715         */
716        public static final String ATTENDEE_EMAIL = "attendeeEmail";
717
718        /**
719         * The relationship of the attendee to the user. Column name.
720         * <P>Type: INTEGER (one of {@link #RELATIONSHIP_ATTENDEE}, ...}.</P>
721         */
722        public static final String ATTENDEE_RELATIONSHIP = "attendeeRelationship";
723
724        public static final int RELATIONSHIP_NONE = 0;
725        public static final int RELATIONSHIP_ATTENDEE = 1;
726        public static final int RELATIONSHIP_ORGANIZER = 2;
727        public static final int RELATIONSHIP_PERFORMER = 3;
728        public static final int RELATIONSHIP_SPEAKER = 4;
729
730        /**
731         * The type of attendee. Column name.
732         * <P>
733         * Type: Integer (one of {@link #TYPE_NONE}, {@link #TYPE_REQUIRED},
734         * {@link #TYPE_OPTIONAL}, {@link #TYPE_RESOURCE})
735         * </P>
736         */
737        public static final String ATTENDEE_TYPE = "attendeeType";
738
739        public static final int TYPE_NONE = 0;
740        public static final int TYPE_REQUIRED = 1;
741        public static final int TYPE_OPTIONAL = 2;
742        /**
743         * This specifies that an attendee is a resource, like a room, a
744         * cabbage, or something and not an actual person.
745         */
746        public static final int TYPE_RESOURCE = 3;
747
748        /**
749         * The attendance status of the attendee. Column name.
750         * <P>Type: Integer (one of {@link #ATTENDEE_STATUS_ACCEPTED}, ...).</P>
751         */
752        public static final String ATTENDEE_STATUS = "attendeeStatus";
753
754        public static final int ATTENDEE_STATUS_NONE = 0;
755        public static final int ATTENDEE_STATUS_ACCEPTED = 1;
756        public static final int ATTENDEE_STATUS_DECLINED = 2;
757        public static final int ATTENDEE_STATUS_INVITED = 3;
758        public static final int ATTENDEE_STATUS_TENTATIVE = 4;
759
760        /**
761         * The identity of the attendee as referenced in
762         * {@link ContactsContract.CommonDataKinds.Identity#IDENTITY}.
763         * This is required only if {@link #ATTENDEE_ID_NAMESPACE} is present. Column name.
764         * <P>Type: STRING</P>
765         * @hide
766         */
767        public static final String ATTENDEE_IDENTITY = "attendeeIdentity";
768
769        /**
770         * The identity name space of the attendee as referenced in
771         * {@link ContactsContract.CommonDataKinds.Identity#NAMESPACE}.
772         * This is required only if {@link #ATTENDEE_IDENTITY} is present. Column name.
773         * <P>Type: STRING</P>
774         * @hide
775         */
776        public static final String ATTENDEE_ID_NAMESPACE = "attendeeIdNamespace";
777    }
778
779    /**
780     * Fields and helpers for interacting with Attendees. Each row of this table
781     * represents a single attendee or guest of an event. Calling
782     * {@link #query(ContentResolver, long, String[])} will return a list of attendees for
783     * the event with the given eventId. Both apps and sync adapters may write
784     * to this table. There are six writable fields and all of them except
785     * {@link #ATTENDEE_NAME} must be included when inserting a new attendee.
786     * They are:
787     * <ul>
788     * <li>{@link #EVENT_ID}</li>
789     * <li>{@link #ATTENDEE_NAME}</li>
790     * <li>{@link #ATTENDEE_EMAIL}</li>
791     * <li>{@link #ATTENDEE_RELATIONSHIP}</li>
792     * <li>{@link #ATTENDEE_TYPE}</li>
793     * <li>{@link #ATTENDEE_STATUS}</li>
794     * <li>{@link #ATTENDEE_IDENTITY}</li>
795     * <li>{@link #ATTENDEE_ID_NAMESPACE}</li>
796     * </ul>
797     */
798    public static final class Attendees implements BaseColumns, AttendeesColumns, EventsColumns {
799
800        /**
801         * The content:// style URL for accessing Attendees data
802         */
803        @SuppressWarnings("hiding")
804        public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/attendees");
805        private static final String ATTENDEES_WHERE = Attendees.EVENT_ID + "=?";
806
807        /**
808         * This utility class cannot be instantiated
809         */
810        private Attendees() {}
811
812        /**
813         * Queries all attendees associated with the given event. This is a
814         * blocking call and should not be done on the UI thread.
815         *
816         * @param cr The content resolver to use for the query
817         * @param eventId The id of the event to retrieve attendees for
818         * @param projection the columns to return in the cursor
819         * @return A Cursor containing all attendees for the event
820         */
821        public static final Cursor query(ContentResolver cr, long eventId, String[] projection) {
822            String[] attArgs = {Long.toString(eventId)};
823            return cr.query(CONTENT_URI, projection, ATTENDEES_WHERE, attArgs /* selection args */,
824                    null /* sort order */);
825        }
826    }
827
828    /**
829     * Columns from the Events table that other tables join into themselves.
830     */
831    protected interface EventsColumns {
832
833        /**
834         * The {@link Calendars#_ID} of the calendar the event belongs to.
835         * Column name.
836         * <P>Type: INTEGER</P>
837         */
838        public static final String CALENDAR_ID = "calendar_id";
839
840        /**
841         * The title of the event. Column name.
842         * <P>Type: TEXT</P>
843         */
844        public static final String TITLE = "title";
845
846        /**
847         * The description of the event. Column name.
848         * <P>Type: TEXT</P>
849         */
850        public static final String DESCRIPTION = "description";
851
852        /**
853         * Where the event takes place. Column name.
854         * <P>Type: TEXT</P>
855         */
856        public static final String EVENT_LOCATION = "eventLocation";
857
858        /**
859         * A secondary color for the individual event. This should only be
860         * updated by the sync adapter for a given account.
861         * <P>Type: INTEGER</P>
862         */
863        public static final String EVENT_COLOR = "eventColor";
864
865        /**
866         * A secondary color key for the individual event. NULL or an empty
867         * string are reserved for indicating that the event does not use a key
868         * for looking up the color. The provider will update
869         * {@link #EVENT_COLOR} automatically when a valid key is written to
870         * this column. The key must reference an existing row of the
871         * {@link Colors} table. @see Colors
872         * <P>
873         * Type: TEXT
874         * </P>
875         */
876        public static final String EVENT_COLOR_KEY = "eventColor_index";
877
878        /**
879         * This will be {@link #EVENT_COLOR} if it is not null; otherwise, this will be
880         * {@link Calendars#CALENDAR_COLOR}.
881         * Read-only value. To modify, write to {@link #EVENT_COLOR} or
882         * {@link Calendars#CALENDAR_COLOR} directly.
883         *<P>
884         *     Type: INTEGER
885         *</P>
886         */
887        public static final String DISPLAY_COLOR = "displayColor";
888
889        /**
890         * The event status. Column name.
891         * <P>Type: INTEGER (one of {@link #STATUS_TENTATIVE}...)</P>
892         */
893        public static final String STATUS = "eventStatus";
894
895        public static final int STATUS_TENTATIVE = 0;
896        public static final int STATUS_CONFIRMED = 1;
897        public static final int STATUS_CANCELED = 2;
898
899        /**
900         * This is a copy of the attendee status for the owner of this event.
901         * This field is copied here so that we can efficiently filter out
902         * events that are declined without having to look in the Attendees
903         * table. Column name.
904         *
905         * <P>Type: INTEGER (int)</P>
906         */
907        public static final String SELF_ATTENDEE_STATUS = "selfAttendeeStatus";
908
909        /**
910         * This column is available for use by sync adapters. Column name.
911         * <P>Type: TEXT</P>
912         */
913        public static final String SYNC_DATA1 = "sync_data1";
914
915        /**
916         * This column is available for use by sync adapters. Column name.
917         * <P>Type: TEXT</P>
918         */
919        public static final String SYNC_DATA2 = "sync_data2";
920
921        /**
922         * This column is available for use by sync adapters. Column name.
923         * <P>Type: TEXT</P>
924         */
925        public static final String SYNC_DATA3 = "sync_data3";
926
927        /**
928         * This column is available for use by sync adapters. Column name.
929         * <P>Type: TEXT</P>
930         */
931        public static final String SYNC_DATA4 = "sync_data4";
932
933        /**
934         * This column is available for use by sync adapters. Column name.
935         * <P>Type: TEXT</P>
936         */
937        public static final String SYNC_DATA5 = "sync_data5";
938
939        /**
940         * This column is available for use by sync adapters. Column name.
941         * <P>Type: TEXT</P>
942         */
943        public static final String SYNC_DATA6 = "sync_data6";
944
945        /**
946         * This column is available for use by sync adapters. Column name.
947         * <P>Type: TEXT</P>
948         */
949        public static final String SYNC_DATA7 = "sync_data7";
950
951        /**
952         * This column is available for use by sync adapters. Column name.
953         * <P>Type: TEXT</P>
954         */
955        public static final String SYNC_DATA8 = "sync_data8";
956
957        /**
958         * This column is available for use by sync adapters. Column name.
959         * <P>Type: TEXT</P>
960         */
961        public static final String SYNC_DATA9 = "sync_data9";
962
963        /**
964         * This column is available for use by sync adapters. Column name.
965         * <P>Type: TEXT</P>
966         */
967        public static final String SYNC_DATA10 = "sync_data10";
968
969        /**
970         * Used to indicate that a row is not a real event but an original copy of a locally
971         * modified event. A copy is made when an event changes from non-dirty to dirty and the
972         * event is on a calendar with {@link Calendars#CAN_PARTIALLY_UPDATE} set to 1. This copy
973         * does not get expanded in the instances table and is only visible in queries made by a
974         * sync adapter. The copy gets removed when the event is changed back to non-dirty by a
975         * sync adapter.
976         * <P>Type: INTEGER (boolean)</P>
977         */
978        public static final String LAST_SYNCED = "lastSynced";
979
980        /**
981         * The time the event starts in UTC millis since epoch. Column name.
982         * <P>Type: INTEGER (long; millis since epoch)</P>
983         */
984        public static final String DTSTART = "dtstart";
985
986        /**
987         * The time the event ends in UTC millis since epoch. Column name.
988         * <P>Type: INTEGER (long; millis since epoch)</P>
989         */
990        public static final String DTEND = "dtend";
991
992        /**
993         * The duration of the event in RFC2445 format. Column name.
994         * <P>Type: TEXT (duration in RFC2445 format)</P>
995         */
996        public static final String DURATION = "duration";
997
998        /**
999         * The timezone for the event. Column name.
1000         * <P>Type: TEXT</P>
1001         */
1002        public static final String EVENT_TIMEZONE = "eventTimezone";
1003
1004        /**
1005         * The timezone for the end time of the event. Column name.
1006         * <P>Type: TEXT</P>
1007         */
1008        public static final String EVENT_END_TIMEZONE = "eventEndTimezone";
1009
1010        /**
1011         * Is the event all day (time zone independent). Column name.
1012         * <P>Type: INTEGER (boolean)</P>
1013         */
1014        public static final String ALL_DAY = "allDay";
1015
1016        /**
1017         * Defines how the event shows up for others when the calendar is
1018         * shared. Column name.
1019         * <P>Type: INTEGER (One of {@link #ACCESS_DEFAULT}, ...)</P>
1020         */
1021        public static final String ACCESS_LEVEL = "accessLevel";
1022
1023        /**
1024         * Default access is controlled by the server and will be treated as
1025         * public on the device.
1026         */
1027        public static final int ACCESS_DEFAULT = 0;
1028        /**
1029         * Confidential is not used by the app.
1030         */
1031        public static final int ACCESS_CONFIDENTIAL = 1;
1032        /**
1033         * Private shares the event as a free/busy slot with no details.
1034         */
1035        public static final int ACCESS_PRIVATE = 2;
1036        /**
1037         * Public makes the contents visible to anyone with access to the
1038         * calendar.
1039         */
1040        public static final int ACCESS_PUBLIC = 3;
1041
1042        /**
1043         * If this event counts as busy time or is still free time that can be
1044         * scheduled over. Column name.
1045         * <P>
1046         * Type: INTEGER (One of {@link #AVAILABILITY_BUSY},
1047         * {@link #AVAILABILITY_FREE}, {@link #AVAILABILITY_TENTATIVE})
1048         * </P>
1049         */
1050        public static final String AVAILABILITY = "availability";
1051
1052        /**
1053         * Indicates that this event takes up time and will conflict with other
1054         * events.
1055         */
1056        public static final int AVAILABILITY_BUSY = 0;
1057        /**
1058         * Indicates that this event is free time and will not conflict with
1059         * other events.
1060         */
1061        public static final int AVAILABILITY_FREE = 1;
1062        /**
1063         * Indicates that the owner's availability may change, but should be
1064         * considered busy time that will conflict.
1065         */
1066        public static final int AVAILABILITY_TENTATIVE = 2;
1067
1068        /**
1069         * Whether the event has an alarm or not. Column name.
1070         * <P>Type: INTEGER (boolean)</P>
1071         */
1072        public static final String HAS_ALARM = "hasAlarm";
1073
1074        /**
1075         * Whether the event has extended properties or not. Column name.
1076         * <P>Type: INTEGER (boolean)</P>
1077         */
1078        public static final String HAS_EXTENDED_PROPERTIES = "hasExtendedProperties";
1079
1080        /**
1081         * The recurrence rule for the event. Column name.
1082         * <P>Type: TEXT</P>
1083         */
1084        public static final String RRULE = "rrule";
1085
1086        /**
1087         * The recurrence dates for the event. Column name.
1088         * <P>Type: TEXT</P>
1089         */
1090        public static final String RDATE = "rdate";
1091
1092        /**
1093         * The recurrence exception rule for the event. Column name.
1094         * <P>Type: TEXT</P>
1095         */
1096        public static final String EXRULE = "exrule";
1097
1098        /**
1099         * The recurrence exception dates for the event. Column name.
1100         * <P>Type: TEXT</P>
1101         */
1102        public static final String EXDATE = "exdate";
1103
1104        /**
1105         * The {@link Events#_ID} of the original recurring event for which this
1106         * event is an exception. Column name.
1107         * <P>Type: TEXT</P>
1108         */
1109        public static final String ORIGINAL_ID = "original_id";
1110
1111        /**
1112         * The _sync_id of the original recurring event for which this event is
1113         * an exception. The provider should keep the original_id in sync when
1114         * this is updated. Column name.
1115         * <P>Type: TEXT</P>
1116         */
1117        public static final String ORIGINAL_SYNC_ID = "original_sync_id";
1118
1119        /**
1120         * The original instance time of the recurring event for which this
1121         * event is an exception. Column name.
1122         * <P>Type: INTEGER (long; millis since epoch)</P>
1123         */
1124        public static final String ORIGINAL_INSTANCE_TIME = "originalInstanceTime";
1125
1126        /**
1127         * The allDay status (true or false) of the original recurring event
1128         * for which this event is an exception. Column name.
1129         * <P>Type: INTEGER (boolean)</P>
1130         */
1131        public static final String ORIGINAL_ALL_DAY = "originalAllDay";
1132
1133        /**
1134         * The last date this event repeats on, or NULL if it never ends. Column
1135         * name.
1136         * <P>Type: INTEGER (long; millis since epoch)</P>
1137         */
1138        public static final String LAST_DATE = "lastDate";
1139
1140        /**
1141         * Whether the event has attendee information.  True if the event
1142         * has full attendee data, false if the event has information about
1143         * self only. Column name.
1144         * <P>Type: INTEGER (boolean)</P>
1145         */
1146        public static final String HAS_ATTENDEE_DATA = "hasAttendeeData";
1147
1148        /**
1149         * Whether guests can modify the event. Column name.
1150         * <P>Type: INTEGER (boolean)</P>
1151         */
1152        public static final String GUESTS_CAN_MODIFY = "guestsCanModify";
1153
1154        /**
1155         * Whether guests can invite other guests. Column name.
1156         * <P>Type: INTEGER (boolean)</P>
1157         */
1158        public static final String GUESTS_CAN_INVITE_OTHERS = "guestsCanInviteOthers";
1159
1160        /**
1161         * Whether guests can see the list of attendees. Column name.
1162         * <P>Type: INTEGER (boolean)</P>
1163         */
1164        public static final String GUESTS_CAN_SEE_GUESTS = "guestsCanSeeGuests";
1165
1166        /**
1167         * Email of the organizer (owner) of the event. Column name.
1168         * <P>Type: STRING</P>
1169         */
1170        public static final String ORGANIZER = "organizer";
1171
1172        /**
1173         * Whether the user can invite others to the event. The
1174         * GUESTS_CAN_INVITE_OTHERS is a setting that applies to an arbitrary
1175         * guest, while CAN_INVITE_OTHERS indicates if the user can invite
1176         * others (either through GUESTS_CAN_INVITE_OTHERS or because the user
1177         * has modify access to the event). Column name.
1178         * <P>Type: INTEGER (boolean, readonly)</P>
1179         */
1180        public static final String CAN_INVITE_OTHERS = "canInviteOthers";
1181    }
1182
1183    /**
1184     * Class that represents an Event Entity. There is one entry per event.
1185     * Recurring events show up as a single entry. This is a helper class to
1186     * make batch operations easier. A {@link ContentResolver} or
1187     * {@link ContentProviderClient} is required as the helper does additional
1188     * queries to add reminders and attendees to each entry.
1189     */
1190    public static final class EventsEntity implements BaseColumns, SyncColumns, EventsColumns {
1191        /**
1192         * The content:// style URL for this table
1193         */
1194        public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY +
1195                "/event_entities");
1196
1197        /**
1198         * This utility class cannot be instantiated
1199         */
1200        private EventsEntity() {}
1201
1202        /**
1203         * Creates a new iterator for events
1204         *
1205         * @param cursor An event query
1206         * @param resolver For performing additional queries
1207         * @return an EntityIterator containing one entity per event in the
1208         *         cursor
1209         */
1210        public static EntityIterator newEntityIterator(Cursor cursor, ContentResolver resolver) {
1211            return new EntityIteratorImpl(cursor, resolver);
1212        }
1213
1214        /**
1215         * Creates a new iterator for events
1216         *
1217         * @param cursor An event query
1218         * @param provider For performing additional queries
1219         * @return an EntityIterator containing one entity per event in the
1220         *         cursor
1221         */
1222        public static EntityIterator newEntityIterator(Cursor cursor,
1223                ContentProviderClient provider) {
1224            return new EntityIteratorImpl(cursor, provider);
1225        }
1226
1227        private static class EntityIteratorImpl extends CursorEntityIterator {
1228            private final ContentResolver mResolver;
1229            private final ContentProviderClient mProvider;
1230
1231            private static final String[] REMINDERS_PROJECTION = new String[] {
1232                    Reminders.MINUTES,
1233                    Reminders.METHOD,
1234            };
1235            private static final int COLUMN_MINUTES = 0;
1236            private static final int COLUMN_METHOD = 1;
1237
1238            private static final String[] ATTENDEES_PROJECTION = new String[] {
1239                    Attendees.ATTENDEE_NAME,
1240                    Attendees.ATTENDEE_EMAIL,
1241                    Attendees.ATTENDEE_RELATIONSHIP,
1242                    Attendees.ATTENDEE_TYPE,
1243                    Attendees.ATTENDEE_STATUS,
1244                    Attendees.ATTENDEE_IDENTITY,
1245                    Attendees.ATTENDEE_ID_NAMESPACE
1246            };
1247            private static final int COLUMN_ATTENDEE_NAME = 0;
1248            private static final int COLUMN_ATTENDEE_EMAIL = 1;
1249            private static final int COLUMN_ATTENDEE_RELATIONSHIP = 2;
1250            private static final int COLUMN_ATTENDEE_TYPE = 3;
1251            private static final int COLUMN_ATTENDEE_STATUS = 4;
1252            private static final int COLUMN_ATTENDEE_IDENTITY = 5;
1253            private static final int COLUMN_ATTENDEE_ID_NAMESPACE = 6;
1254
1255            private static final String[] EXTENDED_PROJECTION = new String[] {
1256                    ExtendedProperties._ID,
1257                    ExtendedProperties.NAME,
1258                    ExtendedProperties.VALUE
1259            };
1260            private static final int COLUMN_ID = 0;
1261            private static final int COLUMN_NAME = 1;
1262            private static final int COLUMN_VALUE = 2;
1263
1264            private static final String WHERE_EVENT_ID = "event_id=?";
1265
1266            public EntityIteratorImpl(Cursor cursor, ContentResolver resolver) {
1267                super(cursor);
1268                mResolver = resolver;
1269                mProvider = null;
1270            }
1271
1272            public EntityIteratorImpl(Cursor cursor, ContentProviderClient provider) {
1273                super(cursor);
1274                mResolver = null;
1275                mProvider = provider;
1276            }
1277
1278            @Override
1279            public Entity getEntityAndIncrementCursor(Cursor cursor) throws RemoteException {
1280                // we expect the cursor is already at the row we need to read from
1281                final long eventId = cursor.getLong(cursor.getColumnIndexOrThrow(Events._ID));
1282                ContentValues cv = new ContentValues();
1283                cv.put(Events._ID, eventId);
1284                DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv, CALENDAR_ID);
1285                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, TITLE);
1286                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, DESCRIPTION);
1287                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, EVENT_LOCATION);
1288                DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv, STATUS);
1289                DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv, SELF_ATTENDEE_STATUS);
1290                DatabaseUtils.cursorLongToContentValuesIfPresent(cursor, cv, DTSTART);
1291                DatabaseUtils.cursorLongToContentValuesIfPresent(cursor, cv, DTEND);
1292                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, DURATION);
1293                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, EVENT_TIMEZONE);
1294                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, EVENT_END_TIMEZONE);
1295                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, ALL_DAY);
1296                DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv, ACCESS_LEVEL);
1297                DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv, AVAILABILITY);
1298                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, HAS_ALARM);
1299                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv,
1300                        HAS_EXTENDED_PROPERTIES);
1301                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, RRULE);
1302                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, RDATE);
1303                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, EXRULE);
1304                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, EXDATE);
1305                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, ORIGINAL_SYNC_ID);
1306                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, ORIGINAL_ID);
1307                DatabaseUtils.cursorLongToContentValuesIfPresent(cursor, cv,
1308                        ORIGINAL_INSTANCE_TIME);
1309                DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv, ORIGINAL_ALL_DAY);
1310                DatabaseUtils.cursorLongToContentValuesIfPresent(cursor, cv, LAST_DATE);
1311                DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv, HAS_ATTENDEE_DATA);
1312                DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv,
1313                        GUESTS_CAN_INVITE_OTHERS);
1314                DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv, GUESTS_CAN_MODIFY);
1315                DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv, GUESTS_CAN_SEE_GUESTS);
1316                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, ORGANIZER);
1317                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, _SYNC_ID);
1318                DatabaseUtils.cursorLongToContentValuesIfPresent(cursor, cv, DIRTY);
1319                DatabaseUtils.cursorLongToContentValuesIfPresent(cursor, cv, LAST_SYNCED);
1320                DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv, DELETED);
1321                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, SYNC_DATA1);
1322                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, SYNC_DATA2);
1323                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, SYNC_DATA3);
1324                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, SYNC_DATA4);
1325                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, SYNC_DATA5);
1326                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, SYNC_DATA6);
1327                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, SYNC_DATA7);
1328                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, SYNC_DATA8);
1329                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, SYNC_DATA9);
1330                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, SYNC_DATA10);
1331                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, CAL_SYNC1);
1332                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, CAL_SYNC2);
1333                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, CAL_SYNC3);
1334                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, CAL_SYNC4);
1335                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, CAL_SYNC5);
1336                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, CAL_SYNC6);
1337                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, CAL_SYNC7);
1338                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, CAL_SYNC8);
1339                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, CAL_SYNC9);
1340                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, CAL_SYNC10);
1341
1342                Entity entity = new Entity(cv);
1343                Cursor subCursor;
1344                if (mResolver != null) {
1345                    subCursor = mResolver.query(Reminders.CONTENT_URI, REMINDERS_PROJECTION,
1346                            WHERE_EVENT_ID,
1347                            new String[] { Long.toString(eventId) }  /* selectionArgs */,
1348                            null /* sortOrder */);
1349                } else {
1350                    subCursor = mProvider.query(Reminders.CONTENT_URI, REMINDERS_PROJECTION,
1351                            WHERE_EVENT_ID,
1352                            new String[] { Long.toString(eventId) }  /* selectionArgs */,
1353                            null /* sortOrder */);
1354                }
1355                try {
1356                    while (subCursor.moveToNext()) {
1357                        ContentValues reminderValues = new ContentValues();
1358                        reminderValues.put(Reminders.MINUTES, subCursor.getInt(COLUMN_MINUTES));
1359                        reminderValues.put(Reminders.METHOD, subCursor.getInt(COLUMN_METHOD));
1360                        entity.addSubValue(Reminders.CONTENT_URI, reminderValues);
1361                    }
1362                } finally {
1363                    subCursor.close();
1364                }
1365
1366                if (mResolver != null) {
1367                    subCursor = mResolver.query(Attendees.CONTENT_URI, ATTENDEES_PROJECTION,
1368                            WHERE_EVENT_ID,
1369                            new String[] { Long.toString(eventId) } /* selectionArgs */,
1370                            null /* sortOrder */);
1371                } else {
1372                    subCursor = mProvider.query(Attendees.CONTENT_URI, ATTENDEES_PROJECTION,
1373                            WHERE_EVENT_ID,
1374                            new String[] { Long.toString(eventId) } /* selectionArgs */,
1375                            null /* sortOrder */);
1376                }
1377                try {
1378                    while (subCursor.moveToNext()) {
1379                        ContentValues attendeeValues = new ContentValues();
1380                        attendeeValues.put(Attendees.ATTENDEE_NAME,
1381                                subCursor.getString(COLUMN_ATTENDEE_NAME));
1382                        attendeeValues.put(Attendees.ATTENDEE_EMAIL,
1383                                subCursor.getString(COLUMN_ATTENDEE_EMAIL));
1384                        attendeeValues.put(Attendees.ATTENDEE_RELATIONSHIP,
1385                                subCursor.getInt(COLUMN_ATTENDEE_RELATIONSHIP));
1386                        attendeeValues.put(Attendees.ATTENDEE_TYPE,
1387                                subCursor.getInt(COLUMN_ATTENDEE_TYPE));
1388                        attendeeValues.put(Attendees.ATTENDEE_STATUS,
1389                                subCursor.getInt(COLUMN_ATTENDEE_STATUS));
1390                        attendeeValues.put(Attendees.ATTENDEE_IDENTITY,
1391                                subCursor.getInt(COLUMN_ATTENDEE_IDENTITY));
1392                        attendeeValues.put(Attendees.ATTENDEE_ID_NAMESPACE,
1393                                subCursor.getInt(COLUMN_ATTENDEE_ID_NAMESPACE));
1394                        entity.addSubValue(Attendees.CONTENT_URI, attendeeValues);
1395                    }
1396                } finally {
1397                    subCursor.close();
1398                }
1399
1400                if (mResolver != null) {
1401                    subCursor = mResolver.query(ExtendedProperties.CONTENT_URI, EXTENDED_PROJECTION,
1402                            WHERE_EVENT_ID,
1403                            new String[] { Long.toString(eventId) } /* selectionArgs */,
1404                            null /* sortOrder */);
1405                } else {
1406                    subCursor = mProvider.query(ExtendedProperties.CONTENT_URI, EXTENDED_PROJECTION,
1407                            WHERE_EVENT_ID,
1408                            new String[] { Long.toString(eventId) } /* selectionArgs */,
1409                            null /* sortOrder */);
1410                }
1411                try {
1412                    while (subCursor.moveToNext()) {
1413                        ContentValues extendedValues = new ContentValues();
1414                        extendedValues.put(ExtendedProperties._ID,
1415                                subCursor.getString(COLUMN_ID));
1416                        extendedValues.put(ExtendedProperties.NAME,
1417                                subCursor.getString(COLUMN_NAME));
1418                        extendedValues.put(ExtendedProperties.VALUE,
1419                                subCursor.getString(COLUMN_VALUE));
1420                        entity.addSubValue(ExtendedProperties.CONTENT_URI, extendedValues);
1421                    }
1422                } finally {
1423                    subCursor.close();
1424                }
1425
1426                cursor.moveToNext();
1427                return entity;
1428            }
1429        }
1430    }
1431
1432    /**
1433     * Constants and helpers for the Events table, which contains details for
1434     * individual events. <h3>Operations</h3> All operations can be done either
1435     * as an app or as a sync adapter. To perform an operation as a sync adapter
1436     * {@link #CALLER_IS_SYNCADAPTER} should be set to true and
1437     * {@link #ACCOUNT_NAME} and {@link #ACCOUNT_TYPE} must be set in the Uri
1438     * parameters. See
1439     * {@link Uri.Builder#appendQueryParameter(java.lang.String, java.lang.String)}
1440     * for details on adding parameters. Sync adapters have write access to more
1441     * columns but are restricted to a single account at a time.
1442     * <dl>
1443     * <dt><b>Insert</b></dt>
1444     * <dd>When inserting a new event the following fields must be included:
1445     * <ul>
1446     * <li>dtstart</li>
1447     * <li>dtend if the event is non-recurring</li>
1448     * <li>duration if the event is recurring</li>
1449     * <li>rrule or rdate if the event is recurring</li>
1450     * <li>eventTimezone</li>
1451     * <li>a calendar_id</li>
1452     * </ul>
1453     * There are also further requirements when inserting or updating an event.
1454     * See the section on Writing to Events.</dd>
1455     * <dt><b>Update</b></dt>
1456     * <dd>To perform an update of an Event the {@link Events#_ID} of the event
1457     * should be provided either as an appended id to the Uri (
1458     * {@link ContentUris#withAppendedId}) or as the first selection item--the
1459     * selection should start with "_id=?" and the first selectionArg should be
1460     * the _id of the event. Updates may also be done using a selection and no
1461     * id. Updating an event must respect the same rules as inserting and is
1462     * further restricted in the fields that can be written. See the section on
1463     * Writing to Events.</dd>
1464     * <dt><b>Delete</b></dt>
1465     * <dd>Events can be deleted either by the {@link Events#_ID} as an appended
1466     * id on the Uri or using any standard selection. If an appended id is used
1467     * a selection is not allowed. There are two versions of delete: as an app
1468     * and as a sync adapter. An app delete will set the deleted column on an
1469     * event and remove all instances of that event. A sync adapter delete will
1470     * remove the event from the database and all associated data.</dd>
1471     * <dt><b>Query</b></dt>
1472     * <dd>Querying the Events table will get you all information about a set of
1473     * events except their reminders, attendees, and extended properties. There
1474     * will be one row returned for each event that matches the query selection,
1475     * or at most a single row if the {@link Events#_ID} is appended to the Uri.
1476     * Recurring events will only return a single row regardless of the number
1477     * of times that event repeats.</dd>
1478     * </dl>
1479     * <h3>Writing to Events</h3> There are further restrictions on all Updates
1480     * and Inserts in the Events table:
1481     * <ul>
1482     * <li>If allDay is set to 1 eventTimezone must be {@link Time#TIMEZONE_UTC}
1483     * and the time must correspond to a midnight boundary.</li>
1484     * <li>Exceptions are not allowed to recur. If rrule or rdate is not empty,
1485     * original_id and original_sync_id must be empty.</li>
1486     * <li>In general a calendar_id should not be modified after insertion. This
1487     * is not explicitly forbidden but many sync adapters will not behave in an
1488     * expected way if the calendar_id is modified.</li>
1489     * </ul>
1490     * The following Events columns are writable by both an app and a sync
1491     * adapter.
1492     * <ul>
1493     * <li>{@link #CALENDAR_ID}</li>
1494     * <li>{@link #ORGANIZER}</li>
1495     * <li>{@link #TITLE}</li>
1496     * <li>{@link #EVENT_LOCATION}</li>
1497     * <li>{@link #DESCRIPTION}</li>
1498     * <li>{@link #EVENT_COLOR}</li>
1499     * <li>{@link #DTSTART}</li>
1500     * <li>{@link #DTEND}</li>
1501     * <li>{@link #EVENT_TIMEZONE}</li>
1502     * <li>{@link #EVENT_END_TIMEZONE}</li>
1503     * <li>{@link #DURATION}</li>
1504     * <li>{@link #ALL_DAY}</li>
1505     * <li>{@link #RRULE}</li>
1506     * <li>{@link #RDATE}</li>
1507     * <li>{@link #EXRULE}</li>
1508     * <li>{@link #EXDATE}</li>
1509     * <li>{@link #ORIGINAL_ID}</li>
1510     * <li>{@link #ORIGINAL_SYNC_ID}</li>
1511     * <li>{@link #ORIGINAL_INSTANCE_TIME}</li>
1512     * <li>{@link #ORIGINAL_ALL_DAY}</li>
1513     * <li>{@link #ACCESS_LEVEL}</li>
1514     * <li>{@link #AVAILABILITY}</li>
1515     * <li>{@link #GUESTS_CAN_MODIFY}</li>
1516     * <li>{@link #GUESTS_CAN_INVITE_OTHERS}</li>
1517     * <li>{@link #GUESTS_CAN_SEE_GUESTS}</li>
1518     * </ul>
1519     * The following Events columns are writable only by a sync adapter
1520     * <ul>
1521     * <li>{@link #DIRTY}</li>
1522     * <li>{@link #_SYNC_ID}</li>
1523     * <li>{@link #SYNC_DATA1}</li>
1524     * <li>{@link #SYNC_DATA2}</li>
1525     * <li>{@link #SYNC_DATA3}</li>
1526     * <li>{@link #SYNC_DATA4}</li>
1527     * <li>{@link #SYNC_DATA5}</li>
1528     * <li>{@link #SYNC_DATA6}</li>
1529     * <li>{@link #SYNC_DATA7}</li>
1530     * <li>{@link #SYNC_DATA8}</li>
1531     * <li>{@link #SYNC_DATA9}</li>
1532     * <li>{@link #SYNC_DATA10}</li>
1533     * </ul>
1534     * The remaining columns are either updated by the provider only or are
1535     * views into other tables and cannot be changed through the Events table.
1536     */
1537    public static final class Events implements BaseColumns, SyncColumns, EventsColumns,
1538            CalendarColumns {
1539
1540        /**
1541         * The content:// style URL for interacting with events. Appending an
1542         * event id using {@link ContentUris#withAppendedId(Uri, long)} will
1543         * specify a single event.
1544         */
1545        @SuppressWarnings("hiding")
1546        public static final Uri CONTENT_URI =
1547                Uri.parse("content://" + AUTHORITY + "/events");
1548
1549        /**
1550         * The content:// style URI for recurring event exceptions.  Insertions require an
1551         * appended event ID.  Deletion of exceptions requires both the original event ID and
1552         * the exception event ID (see {@link Uri.Builder#appendPath}).
1553         */
1554        public static final Uri CONTENT_EXCEPTION_URI =
1555                Uri.parse("content://" + AUTHORITY + "/exception");
1556
1557        /**
1558         * This utility class cannot be instantiated
1559         */
1560        private Events() {}
1561
1562        /**
1563         * The default sort order for this table
1564         */
1565        private static final String DEFAULT_SORT_ORDER = "";
1566
1567        /**
1568         * These are columns that should only ever be updated by the provider,
1569         * either because they are views mapped to another table or because they
1570         * are used for provider only functionality. TODO move to provider
1571         *
1572         * @hide
1573         */
1574        public static String[] PROVIDER_WRITABLE_COLUMNS = new String[] {
1575                ACCOUNT_NAME,
1576                ACCOUNT_TYPE,
1577                CAL_SYNC1,
1578                CAL_SYNC2,
1579                CAL_SYNC3,
1580                CAL_SYNC4,
1581                CAL_SYNC5,
1582                CAL_SYNC6,
1583                CAL_SYNC7,
1584                CAL_SYNC8,
1585                CAL_SYNC9,
1586                CAL_SYNC10,
1587                ALLOWED_REMINDERS,
1588                ALLOWED_ATTENDEE_TYPES,
1589                ALLOWED_AVAILABILITY,
1590                CALENDAR_ACCESS_LEVEL,
1591                CALENDAR_COLOR,
1592                CALENDAR_TIME_ZONE,
1593                CAN_MODIFY_TIME_ZONE,
1594                CAN_ORGANIZER_RESPOND,
1595                CALENDAR_DISPLAY_NAME,
1596                CAN_PARTIALLY_UPDATE,
1597                SYNC_EVENTS,
1598                VISIBLE,
1599        };
1600
1601        /**
1602         * These fields are only writable by a sync adapter. To modify them the
1603         * caller must include CALLER_IS_SYNCADAPTER, _SYNC_ACCOUNT, and
1604         * _SYNC_ACCOUNT_TYPE in the query parameters. TODO move to provider.
1605         *
1606         * @hide
1607         */
1608        public static final String[] SYNC_WRITABLE_COLUMNS = new String[] {
1609            _SYNC_ID,
1610            DIRTY,
1611            SYNC_DATA1,
1612            SYNC_DATA2,
1613            SYNC_DATA3,
1614            SYNC_DATA4,
1615            SYNC_DATA5,
1616            SYNC_DATA6,
1617            SYNC_DATA7,
1618            SYNC_DATA8,
1619            SYNC_DATA9,
1620            SYNC_DATA10,
1621        };
1622    }
1623
1624    /**
1625     * Fields and helpers for interacting with Instances. An instance is a
1626     * single occurrence of an event including time zone specific start and end
1627     * days and minutes. The instances table is not writable and only provides a
1628     * way to query event occurrences.
1629     */
1630    public static final class Instances implements BaseColumns, EventsColumns, CalendarColumns {
1631
1632        private static final String WHERE_CALENDARS_SELECTED = Calendars.VISIBLE + "=?";
1633        private static final String[] WHERE_CALENDARS_ARGS = {
1634            "1"
1635        };
1636
1637        /**
1638         * This utility class cannot be instantiated
1639         */
1640        private Instances() {}
1641
1642        /**
1643         * Performs a query to return all visible instances in the given range.
1644         * This is a blocking function and should not be done on the UI thread.
1645         * This will cause an expansion of recurring events to fill this time
1646         * range if they are not already expanded and will slow down for larger
1647         * time ranges with many recurring events.
1648         *
1649         * @param cr The ContentResolver to use for the query
1650         * @param projection The columns to return
1651         * @param begin The start of the time range to query in UTC millis since
1652         *            epoch
1653         * @param end The end of the time range to query in UTC millis since
1654         *            epoch
1655         * @return A Cursor containing all instances in the given range
1656         */
1657        public static final Cursor query(ContentResolver cr, String[] projection,
1658                                         long begin, long end) {
1659            Uri.Builder builder = CONTENT_URI.buildUpon();
1660            ContentUris.appendId(builder, begin);
1661            ContentUris.appendId(builder, end);
1662            return cr.query(builder.build(), projection, WHERE_CALENDARS_SELECTED,
1663                    WHERE_CALENDARS_ARGS, DEFAULT_SORT_ORDER);
1664        }
1665
1666        /**
1667         * Performs a query to return all visible instances in the given range
1668         * that match the given query. This is a blocking function and should
1669         * not be done on the UI thread. This will cause an expansion of
1670         * recurring events to fill this time range if they are not already
1671         * expanded and will slow down for larger time ranges with many
1672         * recurring events.
1673         *
1674         * @param cr The ContentResolver to use for the query
1675         * @param projection The columns to return
1676         * @param begin The start of the time range to query in UTC millis since
1677         *            epoch
1678         * @param end The end of the time range to query in UTC millis since
1679         *            epoch
1680         * @param searchQuery A string of space separated search terms. Segments
1681         *            enclosed by double quotes will be treated as a single
1682         *            term.
1683         * @return A Cursor of instances matching the search terms in the given
1684         *         time range
1685         */
1686        public static final Cursor query(ContentResolver cr, String[] projection,
1687                                         long begin, long end, String searchQuery) {
1688            Uri.Builder builder = CONTENT_SEARCH_URI.buildUpon();
1689            ContentUris.appendId(builder, begin);
1690            ContentUris.appendId(builder, end);
1691            builder = builder.appendPath(searchQuery);
1692            return cr.query(builder.build(), projection, WHERE_CALENDARS_SELECTED,
1693                    WHERE_CALENDARS_ARGS, DEFAULT_SORT_ORDER);
1694        }
1695
1696        /**
1697         * The content:// style URL for querying an instance range. The begin
1698         * and end of the range to query should be added as path segments if
1699         * this is used directly.
1700         */
1701        @SuppressWarnings("hiding")
1702        public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY +
1703                "/instances/when");
1704        /**
1705         * The content:// style URL for querying an instance range by Julian
1706         * Day. The start and end day should be added as path segments if this
1707         * is used directly.
1708         */
1709        public static final Uri CONTENT_BY_DAY_URI =
1710            Uri.parse("content://" + AUTHORITY + "/instances/whenbyday");
1711        /**
1712         * The content:// style URL for querying an instance range with a search
1713         * term. The begin, end, and search string should be appended as path
1714         * segments if this is used directly.
1715         */
1716        public static final Uri CONTENT_SEARCH_URI = Uri.parse("content://" + AUTHORITY +
1717                "/instances/search");
1718        /**
1719         * The content:// style URL for querying an instance range with a search
1720         * term. The start day, end day, and search string should be appended as
1721         * path segments if this is used directly.
1722         */
1723        public static final Uri CONTENT_SEARCH_BY_DAY_URI =
1724            Uri.parse("content://" + AUTHORITY + "/instances/searchbyday");
1725
1726        /**
1727         * The default sort order for this table.
1728         */
1729        private static final String DEFAULT_SORT_ORDER = "begin ASC";
1730
1731        /**
1732         * The beginning time of the instance, in UTC milliseconds. Column name.
1733         * <P>Type: INTEGER (long; millis since epoch)</P>
1734         */
1735        public static final String BEGIN = "begin";
1736
1737        /**
1738         * The ending time of the instance, in UTC milliseconds. Column name.
1739         * <P>Type: INTEGER (long; millis since epoch)</P>
1740         */
1741        public static final String END = "end";
1742
1743        /**
1744         * The _id of the event for this instance. Column name.
1745         * <P>Type: INTEGER (long, foreign key to the Events table)</P>
1746         */
1747        public static final String EVENT_ID = "event_id";
1748
1749        /**
1750         * The Julian start day of the instance, relative to the local time
1751         * zone. Column name.
1752         * <P>Type: INTEGER (int)</P>
1753         */
1754        public static final String START_DAY = "startDay";
1755
1756        /**
1757         * The Julian end day of the instance, relative to the local time
1758         * zone. Column name.
1759         * <P>Type: INTEGER (int)</P>
1760         */
1761        public static final String END_DAY = "endDay";
1762
1763        /**
1764         * The start minute of the instance measured from midnight in the
1765         * local time zone. Column name.
1766         * <P>Type: INTEGER (int)</P>
1767         */
1768        public static final String START_MINUTE = "startMinute";
1769
1770        /**
1771         * The end minute of the instance measured from midnight in the
1772         * local time zone. Column name.
1773         * <P>Type: INTEGER (int)</P>
1774         */
1775        public static final String END_MINUTE = "endMinute";
1776    }
1777
1778    protected interface CalendarCacheColumns {
1779        /**
1780         * The key for the setting. Keys are defined in {@link CalendarCache}.
1781         */
1782        public static final String KEY = "key";
1783
1784        /**
1785         * The value of the given setting.
1786         */
1787        public static final String VALUE = "value";
1788    }
1789
1790    /**
1791     * CalendarCache stores some settings for calendar including the current
1792     * time zone for the instances. These settings are stored using a key/value
1793     * scheme. A {@link #KEY} must be specified when updating these values.
1794     */
1795    public static final class CalendarCache implements CalendarCacheColumns {
1796        /**
1797         * The URI to use for retrieving the properties from the Calendar db.
1798         */
1799        public static final Uri URI =
1800                Uri.parse("content://" + AUTHORITY + "/properties");
1801
1802        /**
1803         * This utility class cannot be instantiated
1804         */
1805        private CalendarCache() {}
1806
1807        /**
1808         * They key for updating the use of auto/home time zones in Calendar.
1809         * Valid values are {@link #TIMEZONE_TYPE_AUTO} or
1810         * {@link #TIMEZONE_TYPE_HOME}.
1811         */
1812        public static final String KEY_TIMEZONE_TYPE = "timezoneType";
1813
1814        /**
1815         * The key for updating the time zone used by the provider when it
1816         * generates the instances table. This should only be written if the
1817         * type is set to {@link #TIMEZONE_TYPE_HOME}. A valid time zone id
1818         * should be written to this field.
1819         */
1820        public static final String KEY_TIMEZONE_INSTANCES = "timezoneInstances";
1821
1822        /**
1823         * The key for reading the last time zone set by the user. This should
1824         * only be read by apps and it will be automatically updated whenever
1825         * {@link #KEY_TIMEZONE_INSTANCES} is updated with
1826         * {@link #TIMEZONE_TYPE_HOME} set.
1827         */
1828        public static final String KEY_TIMEZONE_INSTANCES_PREVIOUS = "timezoneInstancesPrevious";
1829
1830        /**
1831         * The value to write to {@link #KEY_TIMEZONE_TYPE} if the provider
1832         * should stay in sync with the device's time zone.
1833         */
1834        public static final String TIMEZONE_TYPE_AUTO = "auto";
1835
1836        /**
1837         * The value to write to {@link #KEY_TIMEZONE_TYPE} if the provider
1838         * should use a fixed time zone set by the user.
1839         */
1840        public static final String TIMEZONE_TYPE_HOME = "home";
1841    }
1842
1843    /**
1844     * A few Calendar globals are needed in the CalendarProvider for expanding
1845     * the Instances table and these are all stored in the first (and only) row
1846     * of the CalendarMetaData table.
1847     *
1848     * @hide
1849     */
1850    protected interface CalendarMetaDataColumns {
1851        /**
1852         * The local timezone that was used for precomputing the fields
1853         * in the Instances table.
1854         */
1855        public static final String LOCAL_TIMEZONE = "localTimezone";
1856
1857        /**
1858         * The minimum time used in expanding the Instances table,
1859         * in UTC milliseconds.
1860         * <P>Type: INTEGER</P>
1861         */
1862        public static final String MIN_INSTANCE = "minInstance";
1863
1864        /**
1865         * The maximum time used in expanding the Instances table,
1866         * in UTC milliseconds.
1867         * <P>Type: INTEGER</P>
1868         */
1869        public static final String MAX_INSTANCE = "maxInstance";
1870
1871        /**
1872         * The minimum Julian day in the EventDays table.
1873         * <P>Type: INTEGER</P>
1874         */
1875        public static final String MIN_EVENTDAYS = "minEventDays";
1876
1877        /**
1878         * The maximum Julian day in the EventDays table.
1879         * <P>Type: INTEGER</P>
1880         */
1881        public static final String MAX_EVENTDAYS = "maxEventDays";
1882    }
1883
1884    /**
1885     * @hide
1886     */
1887    public static final class CalendarMetaData implements CalendarMetaDataColumns, BaseColumns {
1888
1889        /**
1890         * This utility class cannot be instantiated
1891         */
1892        private CalendarMetaData() {}
1893    }
1894
1895    protected interface EventDaysColumns {
1896        /**
1897         * The Julian starting day number. Column name.
1898         * <P>Type: INTEGER (int)</P>
1899         */
1900        public static final String STARTDAY = "startDay";
1901        /**
1902         * The Julian ending day number. Column name.
1903         * <P>Type: INTEGER (int)</P>
1904         */
1905        public static final String ENDDAY = "endDay";
1906
1907    }
1908
1909    /**
1910     * Fields and helpers for querying for a list of days that contain events.
1911     */
1912    public static final class EventDays implements EventDaysColumns {
1913        public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY
1914                + "/instances/groupbyday");
1915        private static final String SELECTION = "selected=1";
1916
1917        /**
1918         * This utility class cannot be instantiated
1919         */
1920        private EventDays() {}
1921
1922        /**
1923         * Retrieves the days with events for the Julian days starting at
1924         * "startDay" for "numDays". It returns a cursor containing startday and
1925         * endday representing the max range of days for all events beginning on
1926         * each startday.This is a blocking function and should not be done on
1927         * the UI thread.
1928         *
1929         * @param cr the ContentResolver
1930         * @param startDay the first Julian day in the range
1931         * @param numDays the number of days to load (must be at least 1)
1932         * @param projection the columns to return in the cursor
1933         * @return a database cursor containing a list of start and end days for
1934         *         events
1935         */
1936        public static final Cursor query(ContentResolver cr, int startDay, int numDays,
1937                String[] projection) {
1938            if (numDays < 1) {
1939                return null;
1940            }
1941            int endDay = startDay + numDays - 1;
1942            Uri.Builder builder = CONTENT_URI.buildUpon();
1943            ContentUris.appendId(builder, startDay);
1944            ContentUris.appendId(builder, endDay);
1945            return cr.query(builder.build(), projection, SELECTION,
1946                    null /* selection args */, STARTDAY);
1947        }
1948    }
1949
1950    protected interface RemindersColumns {
1951        /**
1952         * The event the reminder belongs to. Column name.
1953         * <P>Type: INTEGER (foreign key to the Events table)</P>
1954         */
1955        public static final String EVENT_ID = "event_id";
1956
1957        /**
1958         * The minutes prior to the event that the alarm should ring.  -1
1959         * specifies that we should use the default value for the system.
1960         * Column name.
1961         * <P>Type: INTEGER</P>
1962         */
1963        public static final String MINUTES = "minutes";
1964
1965        /**
1966         * Passing this as a minutes value will use the default reminder
1967         * minutes.
1968         */
1969        public static final int MINUTES_DEFAULT = -1;
1970
1971        /**
1972         * The alarm method, as set on the server. {@link #METHOD_DEFAULT},
1973         * {@link #METHOD_ALERT}, {@link #METHOD_EMAIL}, {@link #METHOD_SMS} and
1974         * {@link #METHOD_ALARM} are possible values; the device will only
1975         * process {@link #METHOD_DEFAULT} and {@link #METHOD_ALERT} reminders
1976         * (the other types are simply stored so we can send the same reminder
1977         * info back to the server when we make changes).
1978         */
1979        public static final String METHOD = "method";
1980
1981        public static final int METHOD_DEFAULT = 0;
1982        public static final int METHOD_ALERT = 1;
1983        public static final int METHOD_EMAIL = 2;
1984        public static final int METHOD_SMS = 3;
1985        public static final int METHOD_ALARM = 4;
1986    }
1987
1988    /**
1989     * Fields and helpers for accessing reminders for an event. Each row of this
1990     * table represents a single reminder for an event. Calling
1991     * {@link #query(ContentResolver, long, String[])} will return a list of reminders for
1992     * the event with the given eventId. Both apps and sync adapters may write
1993     * to this table. There are three writable fields and all of them must be
1994     * included when inserting a new reminder. They are:
1995     * <ul>
1996     * <li>{@link #EVENT_ID}</li>
1997     * <li>{@link #MINUTES}</li>
1998     * <li>{@link #METHOD}</li>
1999     * </ul>
2000     */
2001    public static final class Reminders implements BaseColumns, RemindersColumns, EventsColumns {
2002        private static final String REMINDERS_WHERE = CalendarContract.Reminders.EVENT_ID + "=?";
2003        @SuppressWarnings("hiding")
2004        public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/reminders");
2005
2006        /**
2007         * This utility class cannot be instantiated
2008         */
2009        private Reminders() {}
2010
2011        /**
2012         * Queries all reminders associated with the given event. This is a
2013         * blocking call and should not be done on the UI thread.
2014         *
2015         * @param cr The content resolver to use for the query
2016         * @param eventId The id of the event to retrieve reminders for
2017         * @param projection the columns to return in the cursor
2018         * @return A Cursor containing all reminders for the event
2019         */
2020        public static final Cursor query(ContentResolver cr, long eventId, String[] projection) {
2021            String[] remArgs = {Long.toString(eventId)};
2022            return cr.query(CONTENT_URI, projection, REMINDERS_WHERE, remArgs /*selection args*/,
2023                    null /* sort order */);
2024        }
2025    }
2026
2027    protected interface CalendarAlertsColumns {
2028        /**
2029         * The event that the alert belongs to. Column name.
2030         * <P>Type: INTEGER (foreign key to the Events table)</P>
2031         */
2032        public static final String EVENT_ID = "event_id";
2033
2034        /**
2035         * The start time of the event, in UTC. Column name.
2036         * <P>Type: INTEGER (long; millis since epoch)</P>
2037         */
2038        public static final String BEGIN = "begin";
2039
2040        /**
2041         * The end time of the event, in UTC. Column name.
2042         * <P>Type: INTEGER (long; millis since epoch)</P>
2043         */
2044        public static final String END = "end";
2045
2046        /**
2047         * The alarm time of the event, in UTC. Column name.
2048         * <P>Type: INTEGER (long; millis since epoch)</P>
2049         */
2050        public static final String ALARM_TIME = "alarmTime";
2051
2052        /**
2053         * The creation time of this database entry, in UTC.
2054         * Useful for debugging missed reminders. Column name.
2055         * <P>Type: INTEGER (long; millis since epoch)</P>
2056         */
2057        public static final String CREATION_TIME = "creationTime";
2058
2059        /**
2060         * The time that the alarm broadcast was received by the Calendar app,
2061         * in UTC. Useful for debugging missed reminders. Column name.
2062         * <P>Type: INTEGER (long; millis since epoch)</P>
2063         */
2064        public static final String RECEIVED_TIME = "receivedTime";
2065
2066        /**
2067         * The time that the notification was created by the Calendar app,
2068         * in UTC. Useful for debugging missed reminders. Column name.
2069         * <P>Type: INTEGER (long; millis since epoch)</P>
2070         */
2071        public static final String NOTIFY_TIME = "notifyTime";
2072
2073        /**
2074         * The state of this alert. It starts out as {@link #STATE_SCHEDULED}, then
2075         * when the alarm goes off, it changes to {@link #STATE_FIRED}, and then when
2076         * the user dismisses the alarm it changes to {@link #STATE_DISMISSED}. Column
2077         * name.
2078         * <P>Type: INTEGER</P>
2079         */
2080        public static final String STATE = "state";
2081
2082        /**
2083         * An alert begins in this state when it is first created.
2084         */
2085        public static final int STATE_SCHEDULED = 0;
2086        /**
2087         * After a notification for an alert has been created it should be
2088         * updated to fired.
2089         */
2090        public static final int STATE_FIRED = 1;
2091        /**
2092         * Once the user has dismissed the notification the alert's state should
2093         * be set to dismissed so it is not fired again.
2094         */
2095        public static final int STATE_DISMISSED = 2;
2096
2097        /**
2098         * The number of minutes that this alarm precedes the start time. Column
2099         * name.
2100         * <P>Type: INTEGER</P>
2101         */
2102        public static final String MINUTES = "minutes";
2103
2104        /**
2105         * The default sort order for this alerts queries
2106         */
2107        public static final String DEFAULT_SORT_ORDER = "begin ASC,title ASC";
2108    }
2109
2110    /**
2111     * Fields and helpers for accessing calendar alerts information. These
2112     * fields are for tracking which alerts have been fired. Scheduled alarms
2113     * will generate an intent using {@link #ACTION_EVENT_REMINDER}. Apps that
2114     * receive this action may update the {@link #STATE} for the reminder when
2115     * they have finished handling it. Apps that have their notifications
2116     * disabled should not modify the table to ensure that they do not conflict
2117     * with another app that is generating a notification. In general, apps
2118     * should not need to write to this table directly except to update the
2119     * state of a reminder.
2120     */
2121    public static final class CalendarAlerts implements BaseColumns,
2122            CalendarAlertsColumns, EventsColumns, CalendarColumns {
2123
2124        /**
2125         * @hide
2126         */
2127        public static final String TABLE_NAME = "CalendarAlerts";
2128        /**
2129         * The Uri for querying calendar alert information
2130         */
2131        @SuppressWarnings("hiding")
2132        public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY +
2133                "/calendar_alerts");
2134
2135        /**
2136         * This utility class cannot be instantiated
2137         */
2138        private CalendarAlerts() {}
2139
2140        private static final String WHERE_ALARM_EXISTS = EVENT_ID + "=?"
2141                + " AND " + BEGIN + "=?"
2142                + " AND " + ALARM_TIME + "=?";
2143
2144        private static final String WHERE_FINDNEXTALARMTIME = ALARM_TIME + ">=?";
2145        private static final String SORT_ORDER_ALARMTIME_ASC = ALARM_TIME + " ASC";
2146
2147        private static final String WHERE_RESCHEDULE_MISSED_ALARMS = STATE + "=" + STATE_SCHEDULED
2148                + " AND " + ALARM_TIME + "<?"
2149                + " AND " + ALARM_TIME + ">?"
2150                + " AND " + END + ">=?";
2151
2152        /**
2153         * This URI is for grouping the query results by event_id and begin
2154         * time.  This will return one result per instance of an event.  So
2155         * events with multiple alarms will appear just once, but multiple
2156         * instances of a repeating event will show up multiple times.
2157         */
2158        public static final Uri CONTENT_URI_BY_INSTANCE =
2159            Uri.parse("content://" + AUTHORITY + "/calendar_alerts/by_instance");
2160
2161        private static final boolean DEBUG = false;
2162
2163        /**
2164         * Helper for inserting an alarm time associated with an event TODO move
2165         * to Provider
2166         *
2167         * @hide
2168         */
2169        public static final Uri insert(ContentResolver cr, long eventId,
2170                long begin, long end, long alarmTime, int minutes) {
2171            ContentValues values = new ContentValues();
2172            values.put(CalendarAlerts.EVENT_ID, eventId);
2173            values.put(CalendarAlerts.BEGIN, begin);
2174            values.put(CalendarAlerts.END, end);
2175            values.put(CalendarAlerts.ALARM_TIME, alarmTime);
2176            long currentTime = System.currentTimeMillis();
2177            values.put(CalendarAlerts.CREATION_TIME, currentTime);
2178            values.put(CalendarAlerts.RECEIVED_TIME, 0);
2179            values.put(CalendarAlerts.NOTIFY_TIME, 0);
2180            values.put(CalendarAlerts.STATE, STATE_SCHEDULED);
2181            values.put(CalendarAlerts.MINUTES, minutes);
2182            return cr.insert(CONTENT_URI, values);
2183        }
2184
2185        /**
2186         * Finds the next alarm after (or equal to) the given time and returns
2187         * the time of that alarm or -1 if no such alarm exists. This is a
2188         * blocking call and should not be done on the UI thread. TODO move to
2189         * provider
2190         *
2191         * @param cr the ContentResolver
2192         * @param millis the time in UTC milliseconds
2193         * @return the next alarm time greater than or equal to "millis", or -1
2194         *         if no such alarm exists.
2195         * @hide
2196         */
2197        public static final long findNextAlarmTime(ContentResolver cr, long millis) {
2198            String selection = ALARM_TIME + ">=" + millis;
2199            // TODO: construct an explicit SQL query so that we can add
2200            // "LIMIT 1" to the end and get just one result.
2201            String[] projection = new String[] { ALARM_TIME };
2202            Cursor cursor = cr.query(CONTENT_URI, projection, WHERE_FINDNEXTALARMTIME,
2203                    (new String[] {
2204                        Long.toString(millis)
2205                    }), SORT_ORDER_ALARMTIME_ASC);
2206            long alarmTime = -1;
2207            try {
2208                if (cursor != null && cursor.moveToFirst()) {
2209                    alarmTime = cursor.getLong(0);
2210                }
2211            } finally {
2212                if (cursor != null) {
2213                    cursor.close();
2214                }
2215            }
2216            return alarmTime;
2217        }
2218
2219        /**
2220         * Searches the CalendarAlerts table for alarms that should have fired
2221         * but have not and then reschedules them. This method can be called at
2222         * boot time to restore alarms that may have been lost due to a phone
2223         * reboot. TODO move to provider
2224         *
2225         * @param cr the ContentResolver
2226         * @param context the Context
2227         * @param manager the AlarmManager
2228         * @hide
2229         */
2230        public static final void rescheduleMissedAlarms(ContentResolver cr,
2231                Context context, AlarmManager manager) {
2232            // Get all the alerts that have been scheduled but have not fired
2233            // and should have fired by now and are not too old.
2234            long now = System.currentTimeMillis();
2235            long ancient = now - DateUtils.DAY_IN_MILLIS;
2236            String[] projection = new String[] {
2237                    ALARM_TIME,
2238            };
2239
2240            // TODO: construct an explicit SQL query so that we can add
2241            // "GROUPBY" instead of doing a sort and de-dup
2242            Cursor cursor = cr.query(CalendarAlerts.CONTENT_URI, projection,
2243                    WHERE_RESCHEDULE_MISSED_ALARMS, (new String[] {
2244                            Long.toString(now), Long.toString(ancient), Long.toString(now)
2245                    }), SORT_ORDER_ALARMTIME_ASC);
2246            if (cursor == null) {
2247                return;
2248            }
2249
2250            if (DEBUG) {
2251                Log.d(TAG, "missed alarms found: " + cursor.getCount());
2252            }
2253
2254            try {
2255                long alarmTime = -1;
2256
2257                while (cursor.moveToNext()) {
2258                    long newAlarmTime = cursor.getLong(0);
2259                    if (alarmTime != newAlarmTime) {
2260                        if (DEBUG) {
2261                            Log.w(TAG, "rescheduling missed alarm. alarmTime: " + newAlarmTime);
2262                        }
2263                        scheduleAlarm(context, manager, newAlarmTime);
2264                        alarmTime = newAlarmTime;
2265                    }
2266                }
2267            } finally {
2268                cursor.close();
2269            }
2270        }
2271
2272        /**
2273         * Schedules an alarm intent with the system AlarmManager that will
2274         * notify listeners when a reminder should be fired. The provider will
2275         * keep scheduled reminders up to date but apps may use this to
2276         * implement snooze functionality without modifying the reminders table.
2277         * Scheduled alarms will generate an intent using
2278         * {@link #ACTION_EVENT_REMINDER}. TODO Move to provider
2279         *
2280         * @param context A context for referencing system resources
2281         * @param manager The AlarmManager to use or null
2282         * @param alarmTime The time to fire the intent in UTC millis since
2283         *            epoch
2284         * @hide
2285         */
2286        public static void scheduleAlarm(Context context, AlarmManager manager, long alarmTime) {
2287            if (DEBUG) {
2288                Time time = new Time();
2289                time.set(alarmTime);
2290                String schedTime = time.format(" %a, %b %d, %Y %I:%M%P");
2291                Log.d(TAG, "Schedule alarm at " + alarmTime + " " + schedTime);
2292            }
2293
2294            if (manager == null) {
2295                manager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
2296            }
2297
2298            Intent intent = new Intent(ACTION_EVENT_REMINDER);
2299            intent.setData(ContentUris.withAppendedId(CalendarContract.CONTENT_URI, alarmTime));
2300            intent.putExtra(ALARM_TIME, alarmTime);
2301            PendingIntent pi = PendingIntent.getBroadcast(context, 0, intent, 0);
2302            manager.set(AlarmManager.RTC_WAKEUP, alarmTime, pi);
2303        }
2304
2305        /**
2306         * Searches for an entry in the CalendarAlerts table that matches the
2307         * given event id, begin time and alarm time. If one is found then this
2308         * alarm already exists and this method returns true. TODO Move to
2309         * provider
2310         *
2311         * @param cr the ContentResolver
2312         * @param eventId the event id to match
2313         * @param begin the start time of the event in UTC millis
2314         * @param alarmTime the alarm time of the event in UTC millis
2315         * @return true if there is already an alarm for the given event with
2316         *         the same start time and alarm time.
2317         * @hide
2318         */
2319        public static final boolean alarmExists(ContentResolver cr, long eventId,
2320                long begin, long alarmTime) {
2321            // TODO: construct an explicit SQL query so that we can add
2322            // "LIMIT 1" to the end and get just one result.
2323            String[] projection = new String[] { ALARM_TIME };
2324            Cursor cursor = cr.query(CONTENT_URI, projection, WHERE_ALARM_EXISTS,
2325                    (new String[] {
2326                            Long.toString(eventId), Long.toString(begin), Long.toString(alarmTime)
2327                    }), null);
2328            boolean found = false;
2329            try {
2330                if (cursor != null && cursor.getCount() > 0) {
2331                    found = true;
2332                }
2333            } finally {
2334                if (cursor != null) {
2335                    cursor.close();
2336                }
2337            }
2338            return found;
2339        }
2340    }
2341
2342    protected interface ColorsColumns extends SyncStateContract.Columns {
2343
2344        /**
2345         * The type of color, which describes how it should be used. Valid types
2346         * are {@link #TYPE_CALENDAR} and {@link #TYPE_EVENT}. Column name.
2347         * <P>
2348         * Type: INTEGER (NOT NULL)
2349         * </P>
2350         */
2351        public static final String COLOR_TYPE = "color_type";
2352
2353        /**
2354         * This indicateds a color that can be used for calendars.
2355         */
2356        public static final int TYPE_CALENDAR = 0;
2357        /**
2358         * This indicates a color that can be used for events.
2359         */
2360        public static final int TYPE_EVENT = 1;
2361
2362        /**
2363         * The key used to reference this color. This can be any non-empty
2364         * string, but must be unique for a given {@link #ACCOUNT_TYPE} and
2365         * {@link #ACCOUNT_NAME}. Column name.
2366         * <P>
2367         * Type: TEXT
2368         * </P>
2369         */
2370        public static final String COLOR_KEY = "color_index";
2371
2372        /**
2373         * The color as an 8-bit ARGB integer value. Colors should specify alpha
2374         * as fully opaque (eg 0xFF993322) as the alpha may be ignored or
2375         * modified for display. It is reccomended that colors be usable with
2376         * light (near white) text. Apps should not depend on that assumption,
2377         * however. Column name.
2378         * <P>
2379         * Type: INTEGER (NOT NULL)
2380         * </P>
2381         */
2382        public static final String COLOR = "color";
2383
2384    }
2385
2386    /**
2387     * Fields for accessing colors available for a given account. Colors are
2388     * referenced by {@link #COLOR_KEY} which must be unique for a given
2389     * account name/type. These values can only be updated by the sync
2390     * adapter. Only {@link #COLOR} may be updated after the initial insert. In
2391     * addition, a row can only be deleted once all references to that color
2392     * have been removed from the {@link Calendars} or {@link Events} tables.
2393     */
2394    public static final class Colors implements ColorsColumns {
2395        /**
2396         * @hide
2397         */
2398        public static final String TABLE_NAME = "Colors";
2399        /**
2400         * The Uri for querying color information
2401         */
2402        @SuppressWarnings("hiding")
2403        public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/colors");
2404
2405        /**
2406         * This utility class cannot be instantiated
2407         */
2408        private Colors() {
2409        }
2410    }
2411
2412    protected interface ExtendedPropertiesColumns {
2413        /**
2414         * The event the extended property belongs to. Column name.
2415         * <P>Type: INTEGER (foreign key to the Events table)</P>
2416         */
2417        public static final String EVENT_ID = "event_id";
2418
2419        /**
2420         * The name of the extended property.  This is a uri of the form
2421         * {scheme}#{local-name} convention. Column name.
2422         * <P>Type: TEXT</P>
2423         */
2424        public static final String NAME = "name";
2425
2426        /**
2427         * The value of the extended property. Column name.
2428         * <P>Type: TEXT</P>
2429         */
2430        public static final String VALUE = "value";
2431    }
2432
2433    /**
2434     * Fields for accessing the Extended Properties. This is a generic set of
2435     * name/value pairs for use by sync adapters to add extra
2436     * information to events. There are three writable columns and all three
2437     * must be present when inserting a new value. They are:
2438     * <ul>
2439     * <li>{@link #EVENT_ID}</li>
2440     * <li>{@link #NAME}</li>
2441     * <li>{@link #VALUE}</li>
2442     * </ul>
2443     */
2444   public static final class ExtendedProperties implements BaseColumns,
2445            ExtendedPropertiesColumns, EventsColumns {
2446        public static final Uri CONTENT_URI =
2447                Uri.parse("content://" + AUTHORITY + "/extendedproperties");
2448
2449        /**
2450         * This utility class cannot be instantiated
2451         */
2452        private ExtendedProperties() {}
2453
2454        // TODO: fill out this class when we actually start utilizing extendedproperties
2455        // in the calendar application.
2456   }
2457
2458    /**
2459     * A table provided for sync adapters to use for storing private sync state data.
2460     *
2461     * @see SyncStateContract
2462     */
2463    public static final class SyncState implements SyncStateContract.Columns {
2464        /**
2465         * This utility class cannot be instantiated
2466         */
2467        private SyncState() {}
2468
2469        private static final String CONTENT_DIRECTORY =
2470                SyncStateContract.Constants.CONTENT_DIRECTORY;
2471
2472        /**
2473         * The content:// style URI for this table
2474         */
2475        public static final Uri CONTENT_URI =
2476                Uri.withAppendedPath(CalendarContract.CONTENT_URI, CONTENT_DIRECTORY);
2477    }
2478
2479    /**
2480     * Columns from the EventsRawTimes table
2481     *
2482     * @hide
2483     */
2484    protected interface EventsRawTimesColumns {
2485        /**
2486         * The corresponding event id. Column name.
2487         * <P>Type: INTEGER (long)</P>
2488         */
2489        public static final String EVENT_ID = "event_id";
2490
2491        /**
2492         * The RFC2445 compliant time the event starts. Column name.
2493         * <P>Type: TEXT</P>
2494         */
2495        public static final String DTSTART_2445 = "dtstart2445";
2496
2497        /**
2498         * The RFC2445 compliant time the event ends. Column name.
2499         * <P>Type: TEXT</P>
2500         */
2501        public static final String DTEND_2445 = "dtend2445";
2502
2503        /**
2504         * The RFC2445 compliant original instance time of the recurring event
2505         * for which this event is an exception. Column name.
2506         * <P>Type: TEXT</P>
2507         */
2508        public static final String ORIGINAL_INSTANCE_TIME_2445 = "originalInstanceTime2445";
2509
2510        /**
2511         * The RFC2445 compliant last date this event repeats on, or NULL if it
2512         * never ends. Column name.
2513         * <P>Type: TEXT</P>
2514         */
2515        public static final String LAST_DATE_2445 = "lastDate2445";
2516    }
2517
2518    /**
2519     * @hide
2520     */
2521    public static final class EventsRawTimes implements BaseColumns, EventsRawTimesColumns {
2522
2523        /**
2524         * This utility class cannot be instantiated
2525         */
2526        private EventsRawTimes() {}
2527    }
2528}
2529