CalendarContract.java revision f92ccfb8b0e2062e5170ea649cdc01692b09a683
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.accounts.Account;
21import android.app.AlarmManager;
22import android.app.PendingIntent;
23import android.content.ContentProviderClient;
24import android.content.ContentResolver;
25import android.content.ContentUris;
26import android.content.ContentValues;
27import android.content.Context;
28import android.content.CursorEntityIterator;
29import android.content.Entity;
30import android.content.EntityIterator;
31import android.content.Intent;
32import android.database.Cursor;
33import android.database.DatabaseUtils;
34import android.net.Uri;
35import android.os.RemoteException;
36import android.text.TextUtils;
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 hold 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 * @hide
89 */
90public final class CalendarContract {
91    private static final String TAG = "Calendar";
92
93    /**
94     * Broadcast Action: This is the intent that gets fired when an alarm
95     * notification needs to be posted for a reminder.
96     */
97    public static final String EVENT_REMINDER_ACTION = "android.intent.action.EVENT_REMINDER";
98
99    /**
100     * Intent Extras key: The start time of an event or an instance of a
101     * recurring event. (milliseconds since epoch)
102     */
103    public static final String EVENT_BEGIN_TIME = "beginTime";
104
105    /**
106     * Intent Extras key: The end time of an event or an instance of a recurring
107     * event. (milliseconds since epoch)
108     */
109    public static final String EVENT_END_TIME = "endTime";
110
111    /**
112     * This authority is used for writing to or querying from the calendar
113     * provider. Note: This is set at first run and cannot be changed without
114     * breaking apps that access the provider.
115     */
116    public static final String AUTHORITY = "com.android.calendar";
117
118    /**
119     * The content:// style URL for the top-level calendar authority
120     */
121    public static final Uri CONTENT_URI =
122        Uri.parse("content://" + AUTHORITY);
123
124    /**
125     * An optional insert, update or delete URI parameter that allows the caller
126     * to specify that it is a sync adapter. The default value is false. If set
127     * to true, the modified row is not marked as "dirty" (needs to be synced)
128     * and when the provider calls
129     * {@link ContentResolver#notifyChange(android.net.Uri, android.database.ContentObserver, boolean)}
130     * , the third parameter "syncToNetwork" is set to false. Furthermore, if
131     * set to true, the caller must also include
132     * {@link Calendars#ACCOUNT_NAME} and {@link Calendars#ACCOUNT_TYPE} as
133     * query parameters.
134     *
135     * @see Uri.Builder#appendQueryParameter(java.lang.String, java.lang.String)
136     */
137    public static final String CALLER_IS_SYNCADAPTER = "caller_is_syncadapter";
138
139    /**
140     * A special account type for calendars not associated with any account.
141     * Normally calendars that do not match an account on the device will be
142     * removed. Setting the account_type on a calendar to this will prevent it
143     * from being wiped if it does not match an existing account.
144     *
145     * @see SyncColumns#ACCOUNT_TYPE
146     */
147    public static final String ACCOUNT_TYPE_LOCAL = "LOCAL";
148
149    /**
150     * Generic columns for use by sync adapters. The specific functions of these
151     * columns are private to the sync adapter. Other clients of the API should
152     * not attempt to either read or write this column. These columns are
153     * editable as part of the Calendars Uri, but can only be read if accessed
154     * through any other Uri.
155     */
156    protected interface CalendarSyncColumns {
157
158
159        /**
160         * Generic column for use by sync adapters. Column name.
161         * <P>Type: TEXT</P>
162         */
163        public static final String CAL_SYNC1 = "cal_sync1";
164
165        /**
166         * Generic column for use by sync adapters. Column name.
167         * <P>Type: TEXT</P>
168         */
169        public static final String CAL_SYNC2 = "cal_sync2";
170
171        /**
172         * Generic column for use by sync adapters. Column name.
173         * <P>Type: TEXT</P>
174         */
175        public static final String CAL_SYNC3 = "cal_sync3";
176
177        /**
178         * Generic column for use by sync adapters. Column name.
179         * <P>Type: TEXT</P>
180         */
181        public static final String CAL_SYNC4 = "cal_sync4";
182
183        /**
184         * Generic column for use by sync adapters. Column name.
185         * <P>Type: TEXT</P>
186         */
187        public static final String CAL_SYNC5 = "cal_sync5";
188
189        /**
190         * Generic column for use by sync adapters. Column name.
191         * <P>Type: TEXT</P>
192         */
193        public static final String CAL_SYNC6 = "cal_sync6";
194
195        /**
196         * Generic column for use by sync adapters. Column name.
197         * <P>Type: TEXT</P>
198         */
199        public static final String CAL_SYNC7 = "cal_sync7";
200
201        /**
202         * Generic column for use by sync adapters. Column name.
203         * <P>Type: TEXT</P>
204         */
205        public static final String CAL_SYNC8 = "cal_sync8";
206
207        /**
208         * Generic column for use by sync adapters. Column name.
209         * <P>Type: TEXT</P>
210         */
211        public static final String CAL_SYNC9 = "cal_sync9";
212
213        /**
214         * Generic column for use by sync adapters. Column name.
215         * <P>Type: TEXT</P>
216         */
217        public static final String CAL_SYNC10 = "cal_sync10";
218    }
219
220    /**
221     * Columns for Sync information used by Calendars and Events tables. These
222     * have specific uses which are expected to be consistent by the app and
223     * sync adapter.
224     *
225     */
226    protected interface SyncColumns extends CalendarSyncColumns {
227        /**
228         * The account that was used to sync the entry to the device. If the
229         * account_type is not {@link #ACCOUNT_TYPE_LOCAL} then the name and
230         * type must match an account on the device or the calendar will be
231         * deleted.
232         * <P>Type: TEXT</P>
233         */
234        public static final String ACCOUNT_NAME = "account_name";
235
236        /**
237         * The type of the account that was used to sync the entry to the
238         * device. A type of {@link #ACCOUNT_TYPE_LOCAL} will keep this event
239         * form being deleted if there are no matching accounts on the device.
240         * <P>Type: TEXT</P>
241         */
242        public static final String ACCOUNT_TYPE = "account_type";
243
244        /**
245         * The unique ID for a row assigned by the sync source. NULL if the row
246         * has never been synced. This is used as a reference id for exceptions
247         * along with {@link BaseColumns#_ID}.
248         * <P>Type: TEXT</P>
249         */
250        public static final String _SYNC_ID = "_sync_id";
251
252        /**
253         * Used to indicate that local, unsynced, changes are present.
254         * <P>Type: INTEGER (long)</P>
255         */
256        public static final String DIRTY = "dirty";
257
258        /**
259         * Whether the row has been deleted but not synced to the server. A
260         * deleted row should be ignored.
261         * <P>
262         * Type: INTEGER (boolean)
263         * </P>
264         */
265        public static final String DELETED = "deleted";
266
267        /**
268         * If set to 1 this causes events on this calendar to be duplicated with
269         * {@link Events#LAST_SYNCED} set to 1 whenever the event
270         * transitions from non-dirty to dirty. The duplicated event will not be
271         * expanded in the instances table and will only show up in sync adapter
272         * queries of the events table. It will also be deleted when the
273         * originating event has its dirty flag cleared by the sync adapter.
274         * <P>Type: INTEGER (boolean)</P>
275         */
276        public static final String CAN_PARTIALLY_UPDATE = "canPartiallyUpdate";
277    }
278
279    /**
280     * Columns specific to the Calendars Uri that other Uris can query.
281     */
282    protected interface CalendarsColumns {
283        /**
284         * The color of the calendar
285         * <P>Type: INTEGER (color value)</P>
286         */
287        public static final String CALENDAR_COLOR = "calendar_color";
288
289        /**
290         * The display name of the calendar. Column name.
291         * <P>Type: TEXT</P>
292         */
293        public static final String CALENDAR_DISPLAY_NAME = "calendar_displayName";
294
295        /**
296         * The level of access that the user has for the calendar
297         * <P>Type: INTEGER (one of the values below)</P>
298         */
299        public static final String CALENDAR_ACCESS_LEVEL = "calendar_access_level";
300
301        /** Cannot access the calendar */
302        public static final int CAL_ACCESS_NONE = 0;
303        /** Can only see free/busy information about the calendar */
304        public static final int CAL_ACCESS_FREEBUSY = 100;
305        /** Can read all event details */
306        public static final int CAL_ACCESS_READ = 200;
307        /** Can reply yes/no/maybe to an event */
308        public static final int CAL_ACCESS_RESPOND = 300;
309        /** not used */
310        public static final int CAL_ACCESS_OVERRIDE = 400;
311        /** Full access to modify the calendar, but not the access control
312         * settings
313         */
314        public static final int CAL_ACCESS_CONTRIBUTOR = 500;
315        /** Full access to modify the calendar, but not the access control
316         * settings
317         */
318        public static final int CAL_ACCESS_EDITOR = 600;
319        /** Full access to the calendar */
320        public static final int CAL_ACCESS_OWNER = 700;
321        /** Domain admin */
322        public static final int CAL_ACCESS_ROOT = 800;
323
324        /**
325         * Is the calendar selected to be displayed?
326         * 0 - do not show events associated with this calendar.
327         * 1 - show events associated with this calendar
328         * <P>Type: INTEGER (boolean)</P>
329         */
330        public static final String VISIBLE = "visible";
331
332        /**
333         * The time zone the calendar is associated with.
334         * <P>Type: TEXT</P>
335         */
336        public static final String CALENDAR_TIME_ZONE = "calendar_timezone";
337
338        /**
339         * Is this calendar synced and are its events stored on the device?
340         * 0 - Do not sync this calendar or store events for this calendar.
341         * 1 - Sync down events for this calendar.
342         * <p>Type: INTEGER (boolean)</p>
343         */
344        public static final String SYNC_EVENTS = "sync_events";
345
346        /**
347         * The owner account for this calendar, based on the calendar feed.
348         * This will be different from the _SYNC_ACCOUNT for delegated calendars.
349         * Column name.
350         * <P>Type: String</P>
351         */
352        public static final String OWNER_ACCOUNT = "ownerAccount";
353
354        /**
355         * Can the organizer respond to the event?  If no, the status of the
356         * organizer should not be shown by the UI.  Defaults to 1. Column name.
357         * <P>Type: INTEGER (boolean)</P>
358         */
359        public static final String CAN_ORGANIZER_RESPOND = "canOrganizerRespond";
360
361        /**
362         * Can the organizer modify the time zone of the event? Column name.
363         * <P>Type: INTEGER (boolean)</P>
364        */
365        public static final String CAN_MODIFY_TIME_ZONE = "canModifyTimeZone";
366
367        /**
368         * The maximum number of reminders allowed for an event. Column name.
369         * <P>Type: INTEGER</P>
370         */
371        public static final String MAX_REMINDERS = "maxReminders";
372
373        /**
374         * A comma separated list of reminder methods supported for this
375         * calendar in the format "#,#,#". Valid types are
376         * {@link Reminders#METHOD_DEFAULT}, {@link Reminders#METHOD_ALERT},
377         * {@link Reminders#METHOD_EMAIL}, {@link Reminders#METHOD_SMS}. Column
378         * name.
379         * <P>Type: TEXT</P>
380         */
381        public static final String ALLOWED_REMINDERS = "allowedReminders";
382    }
383
384    /**
385     * Class that represents a Calendar Entity. There is one entry per calendar.
386     * This is a helper class to make batch operations easier.
387     */
388    public static class CalendarsEntity implements BaseColumns, SyncColumns, CalendarsColumns {
389
390        /**
391         * The default Uri used when creating a new calendar EntityIterator.
392         */
393        @SuppressWarnings("hiding")
394        public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY +
395                "/calendar_entities");
396
397        /**
398         * Creates an entity iterator for the given cursor. It assumes the
399         * cursor contains a calendars query.
400         *
401         * @param cursor query on {@link #CONTENT_URI}
402         * @return an EntityIterator of calendars
403         */
404        public static EntityIterator newEntityIterator(Cursor cursor) {
405            return new EntityIteratorImpl(cursor);
406        }
407
408        private static class EntityIteratorImpl extends CursorEntityIterator {
409
410            public EntityIteratorImpl(Cursor cursor) {
411                super(cursor);
412            }
413
414            @Override
415            public Entity getEntityAndIncrementCursor(Cursor cursor) throws RemoteException {
416                // we expect the cursor is already at the row we need to read from
417                final long calendarId = cursor.getLong(cursor.getColumnIndexOrThrow(_ID));
418
419                // Create the content value
420                ContentValues cv = new ContentValues();
421                cv.put(_ID, calendarId);
422
423                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, ACCOUNT_NAME);
424                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, ACCOUNT_TYPE);
425
426                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, _SYNC_ID);
427                DatabaseUtils.cursorLongToContentValuesIfPresent(cursor, cv, DIRTY);
428
429                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, CAL_SYNC1);
430                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, CAL_SYNC2);
431                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, CAL_SYNC3);
432                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, CAL_SYNC4);
433                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, CAL_SYNC5);
434                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, CAL_SYNC6);
435                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, CAL_SYNC7);
436                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, CAL_SYNC8);
437                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, CAL_SYNC9);
438                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, CAL_SYNC10);
439
440                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, Calendars.NAME);
441                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv,
442                        Calendars.CALENDAR_DISPLAY_NAME);
443                DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv,
444                        Calendars.CALENDAR_COLOR);
445                DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv, CALENDAR_ACCESS_LEVEL);
446                DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv, VISIBLE);
447                DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv, SYNC_EVENTS);
448                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv,
449                        Calendars.CALENDAR_LOCATION);
450                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, CALENDAR_TIME_ZONE);
451                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv,
452                        Calendars.OWNER_ACCOUNT);
453                DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv,
454                        Calendars.CAN_ORGANIZER_RESPOND);
455                DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv,
456                        Calendars.CAN_MODIFY_TIME_ZONE);
457                DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv,
458                        Calendars.MAX_REMINDERS);
459                DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv,
460                        Calendars.CAN_PARTIALLY_UPDATE);
461                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv,
462                        Calendars.ALLOWED_REMINDERS);
463
464                DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv, DELETED);
465
466                // Create the Entity from the ContentValue
467                Entity entity = new Entity(cv);
468
469                // Set cursor to next row
470                cursor.moveToNext();
471
472                // Return the created Entity
473                return entity;
474            }
475        }
476     }
477
478    /**
479     * Constants and helpers for the Calendars table, which contains details for
480     * individual calendars. <h3>Operations</h3> All operations can be done
481     * either as an app or as a sync adapter. To perform an operation as a sync
482     * adapter {@link #CALLER_IS_SYNCADAPTER} should be set to true and
483     * {@link #ACCOUNT_NAME} and {@link #ACCOUNT_TYPE} must be set in the Uri
484     * parameters. See
485     * {@link Uri.Builder#appendQueryParameter(java.lang.String, java.lang.String)}
486     * for details on adding parameters. Sync adapters have write access to more
487     * columns but are restricted to a single account at a time. Calendars are
488     * designed to be primarily managed by a sync adapter and inserting new
489     * calendars should be done as a sync adapter. For the most part, apps
490     * should only update calendars (such as changing the color or display
491     * name). If a local calendar is required an app can do so by inserting as a
492     * sync adapter and using an {@link #ACCOUNT_TYPE} of
493     * {@link #ACCOUNT_TYPE_LOCAL} .
494     * <dl>
495     * <dt><b>Insert</b></dt>
496     * <dd>When inserting a new calendar the following fields must be included:
497     * <ul>
498     * <li>{@link #ACCOUNT_NAME}</li>
499     * <li>{@link #ACCOUNT_TYPE}</li>
500     * <li>{@link #NAME}</li>
501     * <li>{@link #CALENDAR_DISPLAY_NAME}</li>
502     * <li>{@link #CALENDAR_COLOR}</li>
503     * <li>{@link #CALENDAR_ACCESS_LEVEL}</li>
504     * <li>{@link #OWNER_ACCOUNT}</li>
505     * </ul>
506     * The following fields are not required when inserting a Calendar but are
507     * generally a good idea to include:
508     * <ul>
509     * <li>{@link #SYNC_EVENTS} set to 1</li>
510     * <li>{@link #CALENDAR_TIME_ZONE}</li>
511     * <li>{@link #ALLOWED_REMINDERS}</li>
512     * </ul>
513     * <dt><b>Update</b></dt>
514     * <dd>To perform an update on a calendar the {@link #_ID} of the calendar
515     * should be provided either as an appended id to the Uri (
516     * {@link ContentUris#withAppendedId}) or as the first selection item--the
517     * selection should start with "_id=?" and the first selectionArg should be
518     * the _id of the calendar. Calendars may also be updated using a selection
519     * without the id. In general, the {@link #ACCOUNT_NAME} and
520     * {@link #ACCOUNT_TYPE} should not be changed after a calendar is created
521     * as this can cause issues for sync adapters.
522     * <dt><b>Delete</b></dt>
523     * <dd>Calendars can be deleted either by the {@link #_ID} as an appended id
524     * on the Uri or using any standard selection. Deleting a calendar should
525     * generally be handled by a sync adapter as it will remove the calendar
526     * from the database and all associated data (aka events).</dd>
527     * <dt><b>Query</b></dt>
528     * <dd>Querying the Calendars table will get you all information about a set
529     * of calendars. There will be one row returned for each calendar that
530     * matches the query selection, or at most a single row if the {@link #_ID}
531     * is appended to the Uri.</dd>
532     * </dl>
533     * <h3>Calendar Columns</h3> The following Calendar columns are writable by
534     * both an app and a sync adapter.
535     * <ul>
536     * <li>{@link #NAME}</li>
537     * <li>{@link #CALENDAR_DISPLAY_NAME}</li>
538     * <li>{@link #CALENDAR_COLOR}</li>
539     * <li>{@link #VISIBLE}</li>
540     * <li>{@link #SYNC_EVENTS}</li>
541     * </ul>
542     * The following Calendars columns are writable only by a sync adapter
543     * <ul>
544     * <li>{@link #ACCOUNT_NAME}</li>
545     * <li>{@link #ACCOUNT_TYPE}</li>
546     * <li>{@link #_SYNC_ID}</li>
547     * <li>{@link #DIRTY}</li>
548     * <li>{@link #OWNER_ACCOUNT}</li>
549     * <li>{@link #MAX_REMINDERS}</li>
550     * <li>{@link #ALLOWED_REMINDERS}</li>
551     * <li>{@link #CAN_MODIFY_TIME_ZONE}</li>
552     * <li>{@link #CAN_ORGANIZER_RESPOND}</li>
553     * <li>{@link #CAN_PARTIALLY_UPDATE}</li>
554     * <li>{@link #CALENDAR_LOCATION}</li>
555     * <li>{@link #CALENDAR_TIME_ZONE}</li>
556     * <li>{@link #CALENDAR_ACCESS_LEVEL}</li>
557     * <li>{@link #DELETED}</li>
558     * <li>{@link #CAL_SYNC1}</li>
559     * <li>{@link #CAL_SYNC2}</li>
560     * <li>{@link #CAL_SYNC3}</li>
561     * <li>{@link #CAL_SYNC4}</li>
562     * <li>{@link #CAL_SYNC5}</li>
563     * <li>{@link #CAL_SYNC6}</li>
564     * <li>{@link #CAL_SYNC7}</li>
565     * <li>{@link #CAL_SYNC8}</li>
566     * <li>{@link #CAL_SYNC9}</li>
567     * <li>{@link #CAL_SYNC10}</li>
568     * </ul>
569     */
570    public static class Calendars implements BaseColumns, SyncColumns, CalendarsColumns {
571        private static final String WHERE_DELETE_FOR_ACCOUNT = Calendars.ACCOUNT_NAME + "=?"
572                + " AND "
573                + Calendars.ACCOUNT_TYPE + "=?";
574
575        /**
576         * Helper function for generating a calendars query. This is blocking
577         * and should not be used on the UI thread. See
578         * {@link ContentResolver#query(Uri, String[], String, String[], String)}
579         * for more details about using the parameters.
580         *
581         * @param cr The ContentResolver to query with
582         * @param projection A list of columns to return
583         * @param selection A formatted selection string
584         * @param selectionArgs arguments to the selection string
585         * @param orderBy How to order the returned rows
586         * @return
587         */
588        public static final Cursor query(ContentResolver cr, String[] projection, String selection,
589                String[] selectionArgs, String orderBy) {
590            return cr.query(CONTENT_URI, projection, selection, selectionArgs,
591                    orderBy == null ? DEFAULT_SORT_ORDER : orderBy);
592        }
593
594        /**
595         * Convenience method perform a delete on the Calendar provider. This is
596         * a blocking call and should not be used on the UI thread.
597         *
598         * @param cr the ContentResolver
599         * @param selection A filter to apply to rows before deleting, formatted
600         *            as an SQL WHERE clause (excluding the WHERE itself).
601         * @param selectionArgs Fill in the '?'s in the selection
602         * @return the count of rows that were deleted
603         */
604        public static int delete(ContentResolver cr, String selection, String[] selectionArgs)
605        {
606            return cr.delete(CONTENT_URI, selection, selectionArgs);
607        }
608
609        /**
610         * Convenience method to delete all calendars that match the account.
611         * This is a blocking call and should not be used on the UI thread.
612         *
613         * @param cr the ContentResolver
614         * @param account the account whose calendars and events should be
615         *            deleted
616         * @return the count of calendar rows that were deleted
617         */
618        public static int deleteCalendarsForAccount(ContentResolver cr, Account account) {
619            // delete all calendars that match this account
620            return CalendarContract.Calendars.delete(cr,
621                    WHERE_DELETE_FOR_ACCOUNT,
622                    new String[] { account.name, account.type });
623        }
624
625        /**
626         * The content:// style URL for accessing Calendars
627         */
628        @SuppressWarnings("hiding")
629        public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/calendars");
630
631        /**
632         * The default sort order for this table
633         */
634        public static final String DEFAULT_SORT_ORDER = "displayName";
635
636        /**
637         * The name of the calendar. Column name.
638         * <P>Type: TEXT</P>
639         */
640        public static final String NAME = "name";
641
642        /**
643         * The default location for the calendar. Column name.
644         * <P>Type: TEXT</P>
645         */
646        public static final String CALENDAR_LOCATION = "calendar_location";
647
648        /**
649         * These fields are only writable by a sync adapter. To modify them the
650         * caller must include {@link #CALLER_IS_SYNCADAPTER},
651         * {@link #ACCOUNT_NAME}, and {@link #ACCOUNT_TYPE} in the Uri's query
652         * parameters.
653         */
654        public static final String[] SYNC_WRITABLE_COLUMNS = new String[] {
655            ACCOUNT_NAME,
656            ACCOUNT_TYPE,
657            _SYNC_ID,
658            DIRTY,
659            OWNER_ACCOUNT,
660            MAX_REMINDERS,
661            ALLOWED_REMINDERS,
662            CAN_MODIFY_TIME_ZONE,
663            CAN_ORGANIZER_RESPOND,
664            CAN_PARTIALLY_UPDATE,
665            CALENDAR_LOCATION,
666            CALENDAR_TIME_ZONE,
667            CALENDAR_ACCESS_LEVEL,
668            DELETED,
669            CAL_SYNC1,
670            CAL_SYNC2,
671            CAL_SYNC3,
672            CAL_SYNC4,
673            CAL_SYNC5,
674            CAL_SYNC6,
675            CAL_SYNC7,
676            CAL_SYNC8,
677            CAL_SYNC9,
678            CAL_SYNC10,
679        };
680    }
681
682    /**
683     * Columns from the Attendees table that other tables join into themselves.
684     */
685    protected interface AttendeesColumns {
686
687        /**
688         * The id of the event. Column name.
689         * <P>Type: INTEGER</P>
690         */
691        public static final String EVENT_ID = "event_id";
692
693        /**
694         * The name of the attendee. Column name.
695         * <P>Type: STRING</P>
696         */
697        public static final String ATTENDEE_NAME = "attendeeName";
698
699        /**
700         * The email address of the attendee. Column name.
701         * <P>Type: STRING</P>
702         */
703        public static final String ATTENDEE_EMAIL = "attendeeEmail";
704
705        /**
706         * The relationship of the attendee to the user. Column name.
707         * <P>Type: INTEGER (one of {@link #RELATIONSHIP_ATTENDEE}, ...}.</P>
708         */
709        public static final String ATTENDEE_RELATIONSHIP = "attendeeRelationship";
710
711        public static final int RELATIONSHIP_NONE = 0;
712        public static final int RELATIONSHIP_ATTENDEE = 1;
713        public static final int RELATIONSHIP_ORGANIZER = 2;
714        public static final int RELATIONSHIP_PERFORMER = 3;
715        public static final int RELATIONSHIP_SPEAKER = 4;
716
717        /**
718         * The type of attendee. Column name.
719         * <P>Type: Integer (one of {@link #TYPE_REQUIRED}, {@link #TYPE_OPTIONAL})</P>
720         */
721        public static final String ATTENDEE_TYPE = "attendeeType";
722
723        public static final int TYPE_NONE = 0;
724        public static final int TYPE_REQUIRED = 1;
725        public static final int TYPE_OPTIONAL = 2;
726
727        /**
728         * The attendance status of the attendee. Column name.
729         * <P>Type: Integer (one of {@link #ATTENDEE_STATUS_ACCEPTED}, ...).</P>
730         */
731        public static final String ATTENDEE_STATUS = "attendeeStatus";
732
733        public static final int ATTENDEE_STATUS_NONE = 0;
734        public static final int ATTENDEE_STATUS_ACCEPTED = 1;
735        public static final int ATTENDEE_STATUS_DECLINED = 2;
736        public static final int ATTENDEE_STATUS_INVITED = 3;
737        public static final int ATTENDEE_STATUS_TENTATIVE = 4;
738    }
739
740    /**
741     * Fields and helpers for interacting with Attendees. Each row of this table
742     * represents a single attendee or guest of an event. Calling
743     * {@link #query(ContentResolver, long)} will return a list of attendees for
744     * the event with the given eventId. Both apps and sync adapters may write
745     * to this table. There are six writable fields and all of them except
746     * {@link #ATTENDEE_NAME} must be included when inserting a new attendee.
747     * They are:
748     * <ul>
749     * <li>{@link #EVENT_ID}</li>
750     * <li>{@link #ATTENDEE_NAME}</li>
751     * <li>{@link #ATTENDEE_EMAIL}</li>
752     * <li>{@link #ATTENDEE_RELATIONSHIP}</li>
753     * <li>{@link #ATTENDEE_TYPE}</li>
754     * <li>{@link #ATTENDEE_STATUS}</li>
755     * </ul>
756     */
757    public static final class Attendees implements BaseColumns, AttendeesColumns, EventsColumns {
758
759        /**
760         * The content:// style URL for accessing Attendees data
761         */
762        @SuppressWarnings("hiding")
763        public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/attendees");
764        /**
765         * the projection used by the attendees query
766         */
767        public static final String[] PROJECTION = new String[] {
768                _ID, ATTENDEE_NAME, ATTENDEE_EMAIL, ATTENDEE_RELATIONSHIP, ATTENDEE_STATUS,};
769        private static final String ATTENDEES_WHERE = Attendees.EVENT_ID + "=?";
770
771        /**
772         * Queries all attendees associated with the given event. This is a
773         * blocking call and should not be done on the UI thread.
774         *
775         * @param cr The content resolver to use for the query
776         * @param eventId The id of the event to retrieve attendees for
777         * @return A Cursor containing all attendees for the event
778         */
779        public static final Cursor query(ContentResolver cr, long eventId) {
780            String[] attArgs = {Long.toString(eventId)};
781            return cr.query(CONTENT_URI, PROJECTION, ATTENDEES_WHERE, attArgs /* selection args */,
782                    null /* sort order */);
783        }
784    }
785
786    /**
787     * Columns from the Events table that other tables join into themselves.
788     */
789    protected interface EventsColumns {
790
791        /**
792         * The {@link Calendars#_ID} of the calendar the event belongs to.
793         * Column name.
794         * <P>Type: INTEGER</P>
795         */
796        public static final String CALENDAR_ID = "calendar_id";
797
798        /**
799         * The title of the event. Column name.
800         * <P>Type: TEXT</P>
801         */
802        public static final String TITLE = "title";
803
804        /**
805         * The description of the event. Column name.
806         * <P>Type: TEXT</P>
807         */
808        public static final String DESCRIPTION = "description";
809
810        /**
811         * Where the event takes place. Column name.
812         * <P>Type: TEXT</P>
813         */
814        public static final String EVENT_LOCATION = "eventLocation";
815
816        /**
817         * A secondary color for the individual event. Column name.
818         * <P>Type: INTEGER</P>
819         */
820        public static final String EVENT_COLOR = "eventColor";
821
822        /**
823         * The event status. Column name.
824         * <P>Type: INTEGER (one of {@link #STATUS_TENTATIVE}...)</P>
825         */
826        public static final String STATUS = "eventStatus";
827
828        public static final int STATUS_TENTATIVE = 0;
829        public static final int STATUS_CONFIRMED = 1;
830        public static final int STATUS_CANCELED = 2;
831
832        /**
833         * This is a copy of the attendee status for the owner of this event.
834         * This field is copied here so that we can efficiently filter out
835         * events that are declined without having to look in the Attendees
836         * table. Column name.
837         *
838         * <P>Type: INTEGER (int)</P>
839         */
840        public static final String SELF_ATTENDEE_STATUS = "selfAttendeeStatus";
841
842        /**
843         * This column is available for use by sync adapters. Column name.
844         * <P>Type: TEXT</P>
845         */
846        public static final String SYNC_DATA1 = "sync_data1";
847
848        /**
849         * This column is available for use by sync adapters. Column name.
850         * <P>Type: TEXT</P>
851         */
852        public static final String SYNC_DATA2 = "sync_data2";
853
854        /**
855         * This column is available for use by sync adapters. Column name.
856         * <P>Type: TEXT</P>
857         */
858        public static final String SYNC_DATA3 = "sync_data3";
859
860        /**
861         * This column is available for use by sync adapters. Column name.
862         * <P>Type: TEXT</P>
863         */
864        public static final String SYNC_DATA4 = "sync_data4";
865
866        /**
867         * This column is available for use by sync adapters. Column name.
868         * <P>Type: TEXT</P>
869         */
870        public static final String SYNC_DATA5 = "sync_data5";
871
872        /**
873         * This column is available for use by sync adapters. Column name.
874         * <P>Type: TEXT</P>
875         */
876        public static final String SYNC_DATA6 = "sync_data6";
877
878        /**
879         * This column is available for use by sync adapters. Column name.
880         * <P>Type: TEXT</P>
881         */
882        public static final String SYNC_DATA7 = "sync_data7";
883
884        /**
885         * This column is available for use by sync adapters. Column name.
886         * <P>Type: TEXT</P>
887         */
888        public static final String SYNC_DATA8 = "sync_data8";
889
890        /**
891         * This column is available for use by sync adapters. Column name.
892         * <P>Type: TEXT</P>
893         */
894        public static final String SYNC_DATA9 = "sync_data9";
895
896        /**
897         * This column is available for use by sync adapters. Column name.
898         * <P>Type: TEXT</P>
899         */
900        public static final String SYNC_DATA10 = "sync_data10";
901
902        /**
903         * Used to indicate that a row is not a real event but an original copy of a locally
904         * modified event. A copy is made when an event changes from non-dirty to dirty and the
905         * event is on a calendar with {@link Calendars#CAN_PARTIALLY_UPDATE} set to 1. This copy
906         * does not get expanded in the instances table and is only visible in queries made by a
907         * sync adapter. The copy gets removed when the event is changed back to non-dirty by a
908         * sync adapter.
909         * <P>Type: INTEGER (boolean)</P>
910         */
911        public static final String LAST_SYNCED = "lastSynced";
912
913        /**
914         * The time the event starts in UTC millis since epoch. Column name.
915         * <P>Type: INTEGER (long; millis since epoch)</P>
916         */
917        public static final String DTSTART = "dtstart";
918
919        /**
920         * The time the event ends in UTC millis since epoch. Column name.
921         * <P>Type: INTEGER (long; millis since epoch)</P>
922         */
923        public static final String DTEND = "dtend";
924
925        /**
926         * The duration of the event in RFC2445 format. Column name.
927         * <P>Type: TEXT (duration in RFC2445 format)</P>
928         */
929        public static final String DURATION = "duration";
930
931        /**
932         * The timezone for the event. Column name.
933         * <P>Type: TEXT</P>
934         */
935        public static final String EVENT_TIMEZONE = "eventTimezone";
936
937        /**
938         * The timezone for the end time of the event. Column name.
939         * <P>Type: TEXT</P>
940         */
941        public static final String EVENT_END_TIMEZONE = "eventEndTimezone";
942
943        /**
944         * Is the event all day (time zone independent). Column name.
945         * <P>Type: INTEGER (boolean)</P>
946         */
947        public static final String ALL_DAY = "allDay";
948
949        /**
950         * Defines how the event shows up for others when the calendar is
951         * shared. Column name.
952         * <P>Type: INTEGER (One of {@link #ACCESS_DEFAULT}, ...)</P>
953         */
954        public static final String ACCESS_LEVEL = "accessLevel";
955
956        /**
957         * Default access is controlled by the server and will be treated as
958         * public on the device.
959         */
960        public static final int ACCESS_DEFAULT = 0;
961        /**
962         * Confidential is not used by the app.
963         */
964        public static final int ACCESS_CONFIDENTIAL = 1;
965        /**
966         * Private shares the event as a free/busy slot with no details.
967         */
968        public static final int ACCESS_PRIVATE = 2;
969        /**
970         * Public makes the contents visible to anyone with access to the
971         * calendar.
972         */
973        public static final int ACCESS_PUBLIC = 3;
974
975        /**
976         * If this event counts as busy time or is still free time that can be
977         * scheduled over. Column name.
978         * <P>Type: INTEGER (One of {@link #AVAILABILITY_BUSY},
979         * {@link #AVAILABILITY_FREE})</P>
980         */
981        public static final String AVAILABILITY = "availability";
982
983        /**
984         * Indicates that this event takes up time and will conflict with other
985         * events.
986         */
987        public static final int AVAILABILITY_BUSY = 0;
988        /**
989         * Indicates that this event is free time and will not conflict with
990         * other events.
991         */
992        public static final int AVAILABILITY_FREE = 1;
993
994        /**
995         * Whether the event has an alarm or not. Column name.
996         * <P>Type: INTEGER (boolean)</P>
997         */
998        public static final String HAS_ALARM = "hasAlarm";
999
1000        /**
1001         * Whether the event has extended properties or not. Column name.
1002         * <P>Type: INTEGER (boolean)</P>
1003         */
1004        public static final String HAS_EXTENDED_PROPERTIES = "hasExtendedProperties";
1005
1006        /**
1007         * The recurrence rule for the event. Column name.
1008         * <P>Type: TEXT</P>
1009         */
1010        public static final String RRULE = "rrule";
1011
1012        /**
1013         * The recurrence dates for the event. Column name.
1014         * <P>Type: TEXT</P>
1015         */
1016        public static final String RDATE = "rdate";
1017
1018        /**
1019         * The recurrence exception rule for the event. Column name.
1020         * <P>Type: TEXT</P>
1021         */
1022        public static final String EXRULE = "exrule";
1023
1024        /**
1025         * The recurrence exception dates for the event. Column name.
1026         * <P>Type: TEXT</P>
1027         */
1028        public static final String EXDATE = "exdate";
1029
1030        /**
1031         * The {@link Events#_ID} of the original recurring event for which this
1032         * event is an exception. Column name.
1033         * <P>Type: TEXT</P>
1034         */
1035        public static final String ORIGINAL_ID = "original_id";
1036
1037        /**
1038         * The _sync_id of the original recurring event for which this event is
1039         * an exception. The provider should keep the original_id in sync when
1040         * this is updated. Column name.
1041         * <P>Type: TEXT</P>
1042         */
1043        public static final String ORIGINAL_SYNC_ID = "original_sync_id";
1044
1045        /**
1046         * The original instance time of the recurring event for which this
1047         * event is an exception. Column name.
1048         * <P>Type: INTEGER (long; millis since epoch)</P>
1049         */
1050        public static final String ORIGINAL_INSTANCE_TIME = "originalInstanceTime";
1051
1052        /**
1053         * The allDay status (true or false) of the original recurring event
1054         * for which this event is an exception. Column name.
1055         * <P>Type: INTEGER (boolean)</P>
1056         */
1057        public static final String ORIGINAL_ALL_DAY = "originalAllDay";
1058
1059        /**
1060         * The last date this event repeats on, or NULL if it never ends. Column
1061         * name.
1062         * <P>Type: INTEGER (long; millis since epoch)</P>
1063         */
1064        public static final String LAST_DATE = "lastDate";
1065
1066        /**
1067         * Whether the event has attendee information.  True if the event
1068         * has full attendee data, false if the event has information about
1069         * self only. Column name.
1070         * <P>Type: INTEGER (boolean)</P>
1071         */
1072        public static final String HAS_ATTENDEE_DATA = "hasAttendeeData";
1073
1074        /**
1075         * Whether guests can modify the event. Column name.
1076         * <P>Type: INTEGER (boolean)</P>
1077         */
1078        public static final String GUESTS_CAN_MODIFY = "guestsCanModify";
1079
1080        /**
1081         * Whether guests can invite other guests. Column name.
1082         * <P>Type: INTEGER (boolean)</P>
1083         */
1084        public static final String GUESTS_CAN_INVITE_OTHERS = "guestsCanInviteOthers";
1085
1086        /**
1087         * Whether guests can see the list of attendees. Column name.
1088         * <P>Type: INTEGER (boolean)</P>
1089         */
1090        public static final String GUESTS_CAN_SEE_GUESTS = "guestsCanSeeGuests";
1091
1092        /**
1093         * Email of the organizer (owner) of the event. Column name.
1094         * <P>Type: STRING</P>
1095         */
1096        public static final String ORGANIZER = "organizer";
1097
1098        /**
1099         * Whether the user can invite others to the event. The
1100         * GUESTS_CAN_INVITE_OTHERS is a setting that applies to an arbitrary
1101         * guest, while CAN_INVITE_OTHERS indicates if the user can invite
1102         * others (either through GUESTS_CAN_INVITE_OTHERS or because the user
1103         * has modify access to the event). Column name.
1104         * <P>Type: INTEGER (boolean, readonly)</P>
1105         */
1106        public static final String CAN_INVITE_OTHERS = "canInviteOthers";
1107    }
1108
1109    /**
1110     * Class that represents an Event Entity. There is one entry per event.
1111     * Recurring events show up as a single entry. This is a helper class to
1112     * make batch operations easier. A {@link ContentResolver} or
1113     * {@link ContentProviderClient} is required as the helper does additional
1114     * queries to add reminders and attendees to each entry.
1115     */
1116    public static final class EventsEntity implements BaseColumns, SyncColumns, EventsColumns {
1117        /**
1118         * The content:// style URL for this table
1119         */
1120        public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY +
1121                "/event_entities");
1122
1123        /**
1124         * Creates a new iterator for events
1125         *
1126         * @param cursor An event query
1127         * @param resolver For performing additional queries
1128         * @return an EntityIterator containing one entity per event in the
1129         *         cursor
1130         */
1131        public static EntityIterator newEntityIterator(Cursor cursor, ContentResolver resolver) {
1132            return new EntityIteratorImpl(cursor, resolver);
1133        }
1134
1135        /**
1136         * Creates a new iterator for events
1137         *
1138         * @param cursor An event query
1139         * @param provider For performing additional queries
1140         * @return an EntityIterator containing one entity per event in the
1141         *         cursor
1142         */
1143        public static EntityIterator newEntityIterator(Cursor cursor,
1144                ContentProviderClient provider) {
1145            return new EntityIteratorImpl(cursor, provider);
1146        }
1147
1148        private static class EntityIteratorImpl extends CursorEntityIterator {
1149            private final ContentResolver mResolver;
1150            private final ContentProviderClient mProvider;
1151
1152            private static final String[] REMINDERS_PROJECTION = new String[] {
1153                    Reminders.MINUTES,
1154                    Reminders.METHOD,
1155            };
1156            private static final int COLUMN_MINUTES = 0;
1157            private static final int COLUMN_METHOD = 1;
1158
1159            private static final String[] ATTENDEES_PROJECTION = new String[] {
1160                    Attendees.ATTENDEE_NAME,
1161                    Attendees.ATTENDEE_EMAIL,
1162                    Attendees.ATTENDEE_RELATIONSHIP,
1163                    Attendees.ATTENDEE_TYPE,
1164                    Attendees.ATTENDEE_STATUS,
1165            };
1166            private static final int COLUMN_ATTENDEE_NAME = 0;
1167            private static final int COLUMN_ATTENDEE_EMAIL = 1;
1168            private static final int COLUMN_ATTENDEE_RELATIONSHIP = 2;
1169            private static final int COLUMN_ATTENDEE_TYPE = 3;
1170            private static final int COLUMN_ATTENDEE_STATUS = 4;
1171            private static final String[] EXTENDED_PROJECTION = new String[] {
1172                    ExtendedProperties._ID,
1173                    ExtendedProperties.NAME,
1174                    ExtendedProperties.VALUE
1175            };
1176            private static final int COLUMN_ID = 0;
1177            private static final int COLUMN_NAME = 1;
1178            private static final int COLUMN_VALUE = 2;
1179
1180            private static final String WHERE_EVENT_ID = "event_id=?";
1181
1182            public EntityIteratorImpl(Cursor cursor, ContentResolver resolver) {
1183                super(cursor);
1184                mResolver = resolver;
1185                mProvider = null;
1186            }
1187
1188            public EntityIteratorImpl(Cursor cursor, ContentProviderClient provider) {
1189                super(cursor);
1190                mResolver = null;
1191                mProvider = provider;
1192            }
1193
1194            @Override
1195            public Entity getEntityAndIncrementCursor(Cursor cursor) throws RemoteException {
1196                // we expect the cursor is already at the row we need to read from
1197                final long eventId = cursor.getLong(cursor.getColumnIndexOrThrow(Events._ID));
1198                ContentValues cv = new ContentValues();
1199                cv.put(Events._ID, eventId);
1200                DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv, CALENDAR_ID);
1201                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, TITLE);
1202                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, DESCRIPTION);
1203                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, EVENT_LOCATION);
1204                DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv, STATUS);
1205                DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv, SELF_ATTENDEE_STATUS);
1206                DatabaseUtils.cursorLongToContentValuesIfPresent(cursor, cv, DTSTART);
1207                DatabaseUtils.cursorLongToContentValuesIfPresent(cursor, cv, DTEND);
1208                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, DURATION);
1209                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, EVENT_TIMEZONE);
1210                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, EVENT_END_TIMEZONE);
1211                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, ALL_DAY);
1212                DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv, ACCESS_LEVEL);
1213                DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv, AVAILABILITY);
1214                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, HAS_ALARM);
1215                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv,
1216                        HAS_EXTENDED_PROPERTIES);
1217                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, RRULE);
1218                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, RDATE);
1219                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, EXRULE);
1220                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, EXDATE);
1221                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, ORIGINAL_SYNC_ID);
1222                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, ORIGINAL_ID);
1223                DatabaseUtils.cursorLongToContentValuesIfPresent(cursor, cv,
1224                        ORIGINAL_INSTANCE_TIME);
1225                DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv, ORIGINAL_ALL_DAY);
1226                DatabaseUtils.cursorLongToContentValuesIfPresent(cursor, cv, LAST_DATE);
1227                DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv, HAS_ATTENDEE_DATA);
1228                DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv,
1229                        GUESTS_CAN_INVITE_OTHERS);
1230                DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv, GUESTS_CAN_MODIFY);
1231                DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv, GUESTS_CAN_SEE_GUESTS);
1232                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, ORGANIZER);
1233                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, _SYNC_ID);
1234                DatabaseUtils.cursorLongToContentValuesIfPresent(cursor, cv, DIRTY);
1235                DatabaseUtils.cursorLongToContentValuesIfPresent(cursor, cv, LAST_SYNCED);
1236                DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv, DELETED);
1237                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, SYNC_DATA1);
1238                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, SYNC_DATA2);
1239                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, SYNC_DATA3);
1240                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, SYNC_DATA4);
1241                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, SYNC_DATA5);
1242                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, SYNC_DATA6);
1243                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, SYNC_DATA7);
1244                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, SYNC_DATA8);
1245                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, SYNC_DATA9);
1246                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, SYNC_DATA10);
1247                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, CAL_SYNC1);
1248                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, CAL_SYNC2);
1249                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, CAL_SYNC3);
1250                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, CAL_SYNC4);
1251                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, CAL_SYNC5);
1252                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, CAL_SYNC6);
1253                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, CAL_SYNC7);
1254                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, CAL_SYNC8);
1255                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, CAL_SYNC9);
1256                DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, CAL_SYNC10);
1257
1258                Entity entity = new Entity(cv);
1259                Cursor subCursor;
1260                if (mResolver != null) {
1261                    subCursor = mResolver.query(Reminders.CONTENT_URI, REMINDERS_PROJECTION,
1262                            WHERE_EVENT_ID,
1263                            new String[] { Long.toString(eventId) }  /* selectionArgs */,
1264                            null /* sortOrder */);
1265                } else {
1266                    subCursor = mProvider.query(Reminders.CONTENT_URI, REMINDERS_PROJECTION,
1267                            WHERE_EVENT_ID,
1268                            new String[] { Long.toString(eventId) }  /* selectionArgs */,
1269                            null /* sortOrder */);
1270                }
1271                try {
1272                    while (subCursor.moveToNext()) {
1273                        ContentValues reminderValues = new ContentValues();
1274                        reminderValues.put(Reminders.MINUTES, subCursor.getInt(COLUMN_MINUTES));
1275                        reminderValues.put(Reminders.METHOD, subCursor.getInt(COLUMN_METHOD));
1276                        entity.addSubValue(Reminders.CONTENT_URI, reminderValues);
1277                    }
1278                } finally {
1279                    subCursor.close();
1280                }
1281
1282                if (mResolver != null) {
1283                    subCursor = mResolver.query(Attendees.CONTENT_URI, ATTENDEES_PROJECTION,
1284                            WHERE_EVENT_ID,
1285                            new String[] { Long.toString(eventId) } /* selectionArgs */,
1286                            null /* sortOrder */);
1287                } else {
1288                    subCursor = mProvider.query(Attendees.CONTENT_URI, ATTENDEES_PROJECTION,
1289                            WHERE_EVENT_ID,
1290                            new String[] { Long.toString(eventId) } /* selectionArgs */,
1291                            null /* sortOrder */);
1292                }
1293                try {
1294                    while (subCursor.moveToNext()) {
1295                        ContentValues attendeeValues = new ContentValues();
1296                        attendeeValues.put(Attendees.ATTENDEE_NAME,
1297                                subCursor.getString(COLUMN_ATTENDEE_NAME));
1298                        attendeeValues.put(Attendees.ATTENDEE_EMAIL,
1299                                subCursor.getString(COLUMN_ATTENDEE_EMAIL));
1300                        attendeeValues.put(Attendees.ATTENDEE_RELATIONSHIP,
1301                                subCursor.getInt(COLUMN_ATTENDEE_RELATIONSHIP));
1302                        attendeeValues.put(Attendees.ATTENDEE_TYPE,
1303                                subCursor.getInt(COLUMN_ATTENDEE_TYPE));
1304                        attendeeValues.put(Attendees.ATTENDEE_STATUS,
1305                                subCursor.getInt(COLUMN_ATTENDEE_STATUS));
1306                        entity.addSubValue(Attendees.CONTENT_URI, attendeeValues);
1307                    }
1308                } finally {
1309                    subCursor.close();
1310                }
1311
1312                if (mResolver != null) {
1313                    subCursor = mResolver.query(ExtendedProperties.CONTENT_URI, EXTENDED_PROJECTION,
1314                            WHERE_EVENT_ID,
1315                            new String[] { Long.toString(eventId) } /* selectionArgs */,
1316                            null /* sortOrder */);
1317                } else {
1318                    subCursor = mProvider.query(ExtendedProperties.CONTENT_URI, EXTENDED_PROJECTION,
1319                            WHERE_EVENT_ID,
1320                            new String[] { Long.toString(eventId) } /* selectionArgs */,
1321                            null /* sortOrder */);
1322                }
1323                try {
1324                    while (subCursor.moveToNext()) {
1325                        ContentValues extendedValues = new ContentValues();
1326                        extendedValues.put(ExtendedProperties._ID,
1327                                subCursor.getString(COLUMN_ID));
1328                        extendedValues.put(ExtendedProperties.NAME,
1329                                subCursor.getString(COLUMN_NAME));
1330                        extendedValues.put(ExtendedProperties.VALUE,
1331                                subCursor.getString(COLUMN_VALUE));
1332                        entity.addSubValue(ExtendedProperties.CONTENT_URI, extendedValues);
1333                    }
1334                } finally {
1335                    subCursor.close();
1336                }
1337
1338                cursor.moveToNext();
1339                return entity;
1340            }
1341        }
1342    }
1343
1344    /**
1345     * Constants and helpers for the Events table, which contains details for
1346     * individual events. <h3>Operations</h3> All operations can be done either
1347     * as an app or as a sync adapter. To perform an operation as a sync adapter
1348     * {@link #CALLER_IS_SYNCADAPTER} should be set to true and
1349     * {@link #ACCOUNT_NAME} and {@link #ACCOUNT_TYPE} must be set in the Uri
1350     * parameters. See
1351     * {@link Uri.Builder#appendQueryParameter(java.lang.String, java.lang.String)}
1352     * for details on adding parameters. Sync adapters have write access to more
1353     * columns but are restricted to a single account at a time.
1354     * <dl>
1355     * <dt><b>Insert</b></dt>
1356     * <dd>When inserting a new event the following fields must be included:
1357     * <ul>
1358     * <li>dtstart</li>
1359     * <li>dtend -or- a (rrule or rdate) and a duration</li>
1360     * <li>a calendar_id</li>
1361     * </ul>
1362     * There are also further requirements when inserting or updating an event.
1363     * See the section on Writing to Events.</dd>
1364     * <dt><b>Update</b></dt>
1365     * <dd>To perform an update of an Event the {@link Events#_ID} of the event
1366     * should be provided either as an appended id to the Uri (
1367     * {@link ContentUris#withAppendedId}) or as the first selection item--the
1368     * selection should start with "_id=?" and the first selectionArg should be
1369     * the _id of the event. Updates may also be done using a selection and no
1370     * id. Updating an event must respect the same rules as inserting and is
1371     * further restricted in the fields that can be written. See the section on
1372     * Writing to Events.</dd>
1373     * <dt><b>Delete</b></dt>
1374     * <dd>Events can be deleted either by the {@link Events#_ID} as an appended
1375     * id on the Uri or using any standard selection. If an appended id is used
1376     * a selection is not allowed. There are two versions of delete: as an app
1377     * and as a sync adapter. An app delete will set the deleted column on an
1378     * event and remove all instances of that event. A sync adapter delete will
1379     * remove the event from the database and all associated data.</dd>
1380     * <dt><b>Query</b></dt>
1381     * <dd>Querying the Events table will get you all information about a set of
1382     * events except their reminders, attendees, and extended properties. There
1383     * will be one row returned for each event that matches the query selection,
1384     * or at most a single row if the {@link Events#_ID} is appended to the Uri.
1385     * Recurring events will only return a single row regardless of the number
1386     * of times that event repeats.</dd>
1387     * </dl>
1388     * <h3>Writing to Events</h3> There are further restrictions on all Updates
1389     * and Inserts in the Events table:
1390     * <ul>
1391     * <li>If allDay is set to 1 eventTimezone must be {@link Time#TIMEZONE_UTC}
1392     * and the time must correspond to a midnight boundary.</li>
1393     * <li>Exceptions are not allowed to recur. If rrule or rdate is not empty,
1394     * original_id and original_sync_id must be empty.</li>
1395     * <li>In general a calendar_id should not be modified after insertion. This
1396     * is not explicitly forbidden but many sync adapters will not behave in an
1397     * expected way if the calendar_id is modified.</li>
1398     * </ul>
1399     * The following Events columns are writable by both an app and a sync
1400     * adapter.
1401     * <ul>
1402     * <li>{@link #CALENDAR_ID}</li>
1403     * <li>{@link #ORGANIZER}</li>
1404     * <li>{@link #TITLE}</li>
1405     * <li>{@link #EVENT_LOCATION}</li>
1406     * <li>{@link #DESCRIPTION}</li>
1407     * <li>{@link #EVENT_COLOR}</li>
1408     * <li>{@link #DTSTART}</li>
1409     * <li>{@link #DTEND}</li>
1410     * <li>{@link #EVENT_TIMEZONE}</li>
1411     * <li>{@link #EVENT_END_TIMEZONE}</li>
1412     * <li>{@link #DURATION}</li>
1413     * <li>{@link #ALL_DAY}</li>
1414     * <li>{@link #RRULE}</li>
1415     * <li>{@link #RDATE}</li>
1416     * <li>{@link #EXRULE}</li>
1417     * <li>{@link #EXDATE}</li>
1418     * <li>{@link #ORIGINAL_ID}</li>
1419     * <li>{@link #ORIGINAL_SYNC_ID}</li>
1420     * <li>{@link #ORIGINAL_INSTANCE_TIME}</li>
1421     * <li>{@link #ORIGINAL_ALL_DAY}</li>
1422     * <li>{@link #ACCESS_LEVEL}</li>
1423     * <li>{@link #AVAILABILITY}</li>
1424     * <li>{@link #GUESTS_CAN_MODIFY}</li>
1425     * <li>{@link #GUESTS_CAN_INVITE_OTHERS}</li>
1426     * <li>{@link #GUESTS_CAN_SEE_GUESTS}</li>
1427     * </ul>
1428     * The following Events columns are writable only by a sync adapter
1429     * <ul>
1430     * <li>{@link #DIRTY}</li>
1431     * <li>{@link #_SYNC_ID}</li>
1432     * <li>{@link #SYNC_DATA1}</li>
1433     * <li>{@link #SYNC_DATA2}</li>
1434     * <li>{@link #SYNC_DATA3}</li>
1435     * <li>{@link #SYNC_DATA4}</li>
1436     * <li>{@link #SYNC_DATA5}</li>
1437     * <li>{@link #SYNC_DATA6}</li>
1438     * <li>{@link #SYNC_DATA7}</li>
1439     * <li>{@link #SYNC_DATA8}</li>
1440     * <li>{@link #SYNC_DATA9}</li>
1441     * <li>{@link #SYNC_DATA10}</li>
1442     * </ul>
1443     * The remaining columns are either updated by the provider only or are
1444     * views into other tables and cannot be changed through the Events table.
1445     */
1446    public static final class Events implements BaseColumns, SyncColumns, EventsColumns,
1447            CalendarsColumns {
1448
1449        /**
1450         * Queries all events with the given projection. This is a blocking call
1451         * and should not be done on the UI thread.
1452         *
1453         * @param cr The content resolver to use for the query
1454         * @param projection The columns to return
1455         * @return A Cursor containing all events in the db
1456         */
1457        public static final Cursor query(ContentResolver cr, String[] projection) {
1458            return cr.query(CONTENT_URI, projection, null, null, DEFAULT_SORT_ORDER);
1459        }
1460
1461        /**
1462         * Queries events using the given projection, selection filter, and
1463         * ordering. This is a blocking call and should not be done on the UI
1464         * thread. For selection and selectionArgs usage see
1465         * {@link ContentResolver#query(Uri, String[], String, String[], String)}
1466         *
1467         * @param cr The content resolver to use for the query
1468         * @param projection The columns to return
1469         * @param selection Filter on the query as an SQL WHERE statement
1470         * @param selectionArgs Args to replace any '?'s in the selection
1471         * @param orderBy How to order the rows as an SQL ORDER BY statement
1472         * @return A Cursor containing the matching events
1473         */
1474        public static final Cursor query(ContentResolver cr, String[] projection, String selection,
1475                String[] selectionArgs, String orderBy) {
1476            return cr.query(CONTENT_URI, projection, selection, null,
1477                    orderBy == null ? DEFAULT_SORT_ORDER : orderBy);
1478        }
1479
1480        /**
1481         * The content:// style URL for interacting with events. Appending an
1482         * event id using {@link ContentUris#withAppendedId(Uri, long)} will
1483         * specify a single event.
1484         */
1485        @SuppressWarnings("hiding")
1486        public static final Uri CONTENT_URI =
1487                Uri.parse("content://" + AUTHORITY + "/events");
1488
1489        /**
1490         * The content:// style URI for recurring event exceptions.  Insertions require an
1491         * appended event ID.  Deletion of exceptions requires both the original event ID and
1492         * the exception event ID (see {@link Uri.Builder#appendPath}).
1493         */
1494        public static final Uri EXCEPTION_CONTENT_URI =
1495                Uri.parse("content://" + AUTHORITY + "/exception");
1496
1497        /**
1498         * The default sort order for this table
1499         */
1500        private static final String DEFAULT_SORT_ORDER = "";
1501
1502        /**
1503         * These are columns that should only ever be updated by the provider,
1504         * either because they are views mapped to another table or because they
1505         * are used for provider only functionality.
1506         */
1507        public static String[] PROVIDER_WRITABLE_COLUMNS = new String[] {
1508                ACCOUNT_NAME,
1509                ACCOUNT_TYPE,
1510                CAL_SYNC1,
1511                CAL_SYNC2,
1512                CAL_SYNC3,
1513                CAL_SYNC4,
1514                CAL_SYNC5,
1515                CAL_SYNC6,
1516                CAL_SYNC7,
1517                CAL_SYNC8,
1518                CAL_SYNC9,
1519                CAL_SYNC10,
1520                ALLOWED_REMINDERS,
1521                CALENDAR_ACCESS_LEVEL,
1522                CALENDAR_COLOR,
1523                CALENDAR_TIME_ZONE,
1524                CAN_MODIFY_TIME_ZONE,
1525                CAN_ORGANIZER_RESPOND,
1526                CALENDAR_DISPLAY_NAME,
1527                CAN_PARTIALLY_UPDATE,
1528                SYNC_EVENTS,
1529                VISIBLE,
1530        };
1531
1532        /**
1533         * These fields are only writable by a sync adapter. To modify them the
1534         * caller must include CALLER_IS_SYNCADAPTER, _SYNC_ACCOUNT, and
1535         * _SYNC_ACCOUNT_TYPE in the query parameters.
1536         */
1537        public static final String[] SYNC_WRITABLE_COLUMNS = new String[] {
1538            _SYNC_ID,
1539            DIRTY,
1540            SYNC_DATA1,
1541            SYNC_DATA2,
1542            SYNC_DATA3,
1543            SYNC_DATA4,
1544            SYNC_DATA5,
1545            SYNC_DATA6,
1546            SYNC_DATA7,
1547            SYNC_DATA8,
1548            SYNC_DATA9,
1549            SYNC_DATA10,
1550        };
1551    }
1552
1553    /**
1554     * Fields and helpers for interacting with Instances. An instance is a
1555     * single occurrence of an event including time zone specific start and end
1556     * days and minutes. The instances table is not writable and only provides a
1557     * way to query event occurrences.
1558     */
1559    public static final class Instances implements BaseColumns, EventsColumns, CalendarsColumns {
1560
1561        private static final String WHERE_CALENDARS_SELECTED = Calendars.VISIBLE + "=1";
1562
1563        /**
1564         * Performs a query to return all visible instances in the given range.
1565         * This is a blocking function and should not be done on the UI thread.
1566         * This will cause an expansion of recurring events to fill this time
1567         * range if they are not already expanded and will slow down for larger
1568         * time ranges with many recurring events.
1569         *
1570         * @param cr The ContentResolver to use for the query
1571         * @param projection The columns to return
1572         * @param begin The start of the time range to query in UTC millis since
1573         *            epoch
1574         * @param end The end of the time range to query in UTC millis since
1575         *            epoch
1576         * @return A Cursor containing all instances in the given range
1577         */
1578        public static final Cursor query(ContentResolver cr, String[] projection,
1579                                         long begin, long end) {
1580            Uri.Builder builder = CONTENT_URI.buildUpon();
1581            ContentUris.appendId(builder, begin);
1582            ContentUris.appendId(builder, end);
1583            return cr.query(builder.build(), projection, WHERE_CALENDARS_SELECTED,
1584                         null, DEFAULT_SORT_ORDER);
1585        }
1586
1587        /**
1588         * Performs a query to return all visible instances in the given range
1589         * that match the given query. This is a blocking function and should
1590         * not be done on the UI thread. This will cause an expansion of
1591         * recurring events to fill this time range if they are not already
1592         * expanded and will slow down for larger time ranges with many
1593         * recurring events.
1594         *
1595         * @param cr The ContentResolver to use for the query
1596         * @param projection The columns to return
1597         * @param begin The start of the time range to query in UTC millis since
1598         *            epoch
1599         * @param end The end of the time range to query in UTC millis since
1600         *            epoch
1601         * @param searchQuery A string of space separated search terms. Segments
1602         *            enclosed by double quotes will be treated as a single
1603         *            term.
1604         * @return A Cursor of instances matching the search terms in the given
1605         *         time range
1606         */
1607        public static final Cursor query(ContentResolver cr, String[] projection,
1608                                         long begin, long end, String searchQuery) {
1609            Uri.Builder builder = CONTENT_SEARCH_URI.buildUpon();
1610            ContentUris.appendId(builder, begin);
1611            ContentUris.appendId(builder, end);
1612            builder = builder.appendPath(searchQuery);
1613            return cr.query(builder.build(), projection, WHERE_CALENDARS_SELECTED, null,
1614                    DEFAULT_SORT_ORDER);
1615        }
1616
1617        /**
1618         * Performs a query to return all visible instances in the given range
1619         * that match the given selection. This is a blocking function and
1620         * should not be done on the UI thread. This will cause an expansion of
1621         * recurring events to fill this time range if they are not already
1622         * expanded and will slow down for larger time ranges with many
1623         * recurring events.
1624         *
1625         * @param cr The ContentResolver to use for the query
1626         * @param projection The columns to return
1627         * @param begin The start of the time range to query in UTC millis since
1628         *            epoch
1629         * @param end The end of the time range to query in UTC millis since
1630         *            epoch
1631         * @param selection Filter on the query as an SQL WHERE statement
1632         * @param selectionArgs Args to replace any '?'s in the selection
1633         * @param orderBy How to order the rows as an SQL ORDER BY statement
1634         * @return A Cursor of instances matching the selection
1635         */
1636        public static final Cursor query(ContentResolver cr, String[] projection, long begin,
1637                long end, String selection, String[] selectionArgs, String orderBy) {
1638            Uri.Builder builder = CONTENT_URI.buildUpon();
1639            ContentUris.appendId(builder, begin);
1640            ContentUris.appendId(builder, end);
1641            if (TextUtils.isEmpty(selection)) {
1642                selection = WHERE_CALENDARS_SELECTED;
1643            } else {
1644                selection = "(" + selection + ") AND " + WHERE_CALENDARS_SELECTED;
1645            }
1646            return cr.query(builder.build(), projection, selection, selectionArgs,
1647                    orderBy == null ? DEFAULT_SORT_ORDER : orderBy);
1648        }
1649
1650        /**
1651         * Performs a query to return all visible instances in the given range
1652         * that match the given selection. This is a blocking function and
1653         * should not be done on the UI thread. This will cause an expansion of
1654         * recurring events to fill this time range if they are not already
1655         * expanded and will slow down for larger time ranges with many
1656         * recurring events.
1657         *
1658         * @param cr The ContentResolver to use for the query
1659         * @param projection The columns to return
1660         * @param begin The start of the time range to query in UTC millis since
1661         *            epoch
1662         * @param end The end of the time range to query in UTC millis since
1663         *            epoch
1664         * @param searchQuery A string of space separated search terms. Segments
1665         *            enclosed by double quotes will be treated as a single
1666         *            term.
1667         * @param selection Filter on the query as an SQL WHERE statement
1668         * @param selectionArgs Args to replace any '?'s in the selection
1669         * @param orderBy How to order the rows as an SQL ORDER BY statement
1670         * @return A Cursor of instances matching the selection
1671         */
1672        public static final Cursor query(ContentResolver cr, String[] projection, long begin,
1673                long end, String searchQuery, String selection, String[] selectionArgs,
1674                String orderBy) {
1675            Uri.Builder builder = CONTENT_SEARCH_URI.buildUpon();
1676            ContentUris.appendId(builder, begin);
1677            ContentUris.appendId(builder, end);
1678            builder = builder.appendPath(searchQuery);
1679            if (TextUtils.isEmpty(selection)) {
1680                selection = WHERE_CALENDARS_SELECTED;
1681            } else {
1682                selection = "(" + selection + ") AND " + WHERE_CALENDARS_SELECTED;
1683            }
1684            return cr.query(builder.build(), projection, selection, selectionArgs,
1685                    orderBy == null ? DEFAULT_SORT_ORDER : orderBy);
1686        }
1687
1688        /**
1689         * The content:// style URL for querying an instance range. The begin
1690         * and end of the range to query should be added as path segments if
1691         * this is used directly.
1692         */
1693        @SuppressWarnings("hiding")
1694        public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY +
1695                "/instances/when");
1696        /**
1697         * The content:// style URL for querying an instance range by Julian
1698         * Day. The start and end day should be added as path segments if this
1699         * is used directly.
1700         */
1701        public static final Uri CONTENT_BY_DAY_URI =
1702            Uri.parse("content://" + AUTHORITY + "/instances/whenbyday");
1703        /**
1704         * The content:// style URL for querying an instance range with a search
1705         * term. The begin, end, and search string should be appended as path
1706         * segments if this is used directly.
1707         */
1708        public static final Uri CONTENT_SEARCH_URI = Uri.parse("content://" + AUTHORITY +
1709                "/instances/search");
1710        /**
1711         * The content:// style URL for querying an instance range with a search
1712         * term. The start day, end day, and search string should be appended as
1713         * path segments if this is used directly.
1714         */
1715        public static final Uri CONTENT_SEARCH_BY_DAY_URI =
1716            Uri.parse("content://" + AUTHORITY + "/instances/searchbyday");
1717
1718        /**
1719         * The default sort order for this table.
1720         */
1721        private static final String DEFAULT_SORT_ORDER = "begin ASC";
1722
1723        /**
1724         * The beginning time of the instance, in UTC milliseconds. Column name.
1725         * <P>Type: INTEGER (long; millis since epoch)</P>
1726         */
1727        public static final String BEGIN = "begin";
1728
1729        /**
1730         * The ending time of the instance, in UTC milliseconds. Column name.
1731         * <P>Type: INTEGER (long; millis since epoch)</P>
1732         */
1733        public static final String END = "end";
1734
1735        /**
1736         * The _id of the event for this instance. Column name.
1737         * <P>Type: INTEGER (long, foreign key to the Events table)</P>
1738         */
1739        public static final String EVENT_ID = "event_id";
1740
1741        /**
1742         * The Julian start day of the instance, relative to the local time
1743         * zone. Column name.
1744         * <P>Type: INTEGER (int)</P>
1745         */
1746        public static final String START_DAY = "startDay";
1747
1748        /**
1749         * The Julian end day of the instance, relative to the local time
1750         * zone. Column name.
1751         * <P>Type: INTEGER (int)</P>
1752         */
1753        public static final String END_DAY = "endDay";
1754
1755        /**
1756         * The start minute of the instance measured from midnight in the
1757         * local time zone. Column name.
1758         * <P>Type: INTEGER (int)</P>
1759         */
1760        public static final String START_MINUTE = "startMinute";
1761
1762        /**
1763         * The end minute of the instance measured from midnight in the
1764         * local time zone. Column name.
1765         * <P>Type: INTEGER (int)</P>
1766         */
1767        public static final String END_MINUTE = "endMinute";
1768    }
1769
1770    /**
1771     * CalendarCache stores some settings for calendar including the current
1772     * time zone for the instaces. These settings are stored using a key/value
1773     * scheme.
1774     */
1775    protected interface CalendarCacheColumns {
1776        /**
1777         * The key for the setting. Keys are defined in {@link CalendarCache}.
1778         */
1779        public static final String KEY = "key";
1780
1781        /**
1782         * The value of the given setting.
1783         */
1784        public static final String VALUE = "value";
1785    }
1786
1787    public static class CalendarCache implements CalendarCacheColumns {
1788        /**
1789         * The URI to use for retrieving the properties from the Calendar db.
1790         */
1791        public static final Uri URI =
1792                Uri.parse("content://" + AUTHORITY + "/properties");
1793        public static final String[] POJECTION = { KEY, VALUE };
1794
1795        /**
1796         * If updating a property, this must be provided as the selection. All
1797         * other selections will fail. For queries this field can be omitted to
1798         * retrieve all properties or used to query a single property. Valid
1799         * keys include {@link #TIMEZONE_KEY_TYPE},
1800         * {@link #TIMEZONE_KEY_INSTANCES}, and
1801         * {@link #TIMEZONE_KEY_INSTANCES_PREVIOUS}, though the last one can
1802         * only be read, not written.
1803         */
1804        public static final String WHERE = "key=?";
1805
1806        /**
1807         * They key for updating the use of auto/home time zones in Calendar.
1808         * Valid values are {@link #TIMEZONE_TYPE_AUTO} or
1809         * {@link #TIMEZONE_TYPE_HOME}.
1810         */
1811        public static final String TIMEZONE_KEY_TYPE = "timezoneType";
1812
1813        /**
1814         * The key for updating the time zone used by the provider when it
1815         * generates the instances table. This should only be written if the
1816         * type is set to {@link #TIMEZONE_TYPE_HOME}. A valid time zone id
1817         * should be written to this field.
1818         */
1819        public static final String TIMEZONE_KEY_INSTANCES = "timezoneInstances";
1820
1821        /**
1822         * The key for reading the last time zone set by the user. This should
1823         * only be read by apps and it will be automatically updated whenever
1824         * {@link #TIMEZONE_KEY_INSTANCES} is updated with
1825         * {@link #TIMEZONE_TYPE_HOME} set.
1826         */
1827        public static final String TIMEZONE_KEY_INSTANCES_PREVIOUS = "timezoneInstancesPrevious";
1828
1829        /**
1830         * The value to write to {@link #TIMEZONE_KEY_TYPE} if the provider
1831         * should stay in sync with the device's time zone.
1832         */
1833        public static final String TIMEZONE_TYPE_AUTO = "auto";
1834
1835        /**
1836         * The value to write to {@link #TIMEZONE_KEY_TYPE} if the provider
1837         * should use a fixed time zone set by the user.
1838         */
1839        public static final String TIMEZONE_TYPE_HOME = "home";
1840    }
1841
1842    /**
1843     * A few Calendar globals are needed in the CalendarProvider for expanding
1844     * the Instances table and these are all stored in the first (and only) row
1845     * of the CalendarMetaData table.
1846     *
1847     * @hide
1848     */
1849    protected interface CalendarMetaDataColumns {
1850        /**
1851         * The local timezone that was used for precomputing the fields
1852         * in the Instances table.
1853         */
1854        public static final String LOCAL_TIMEZONE = "localTimezone";
1855
1856        /**
1857         * The minimum time used in expanding the Instances table,
1858         * in UTC milliseconds.
1859         * <P>Type: INTEGER</P>
1860         */
1861        public static final String MIN_INSTANCE = "minInstance";
1862
1863        /**
1864         * The maximum time used in expanding the Instances table,
1865         * in UTC milliseconds.
1866         * <P>Type: INTEGER</P>
1867         */
1868        public static final String MAX_INSTANCE = "maxInstance";
1869
1870        /**
1871         * The minimum Julian day in the EventDays table.
1872         * <P>Type: INTEGER</P>
1873         */
1874        public static final String MIN_EVENTDAYS = "minEventDays";
1875
1876        /**
1877         * The maximum Julian day in the EventDays table.
1878         * <P>Type: INTEGER</P>
1879         */
1880        public static final String MAX_EVENTDAYS = "maxEventDays";
1881    }
1882
1883    /**
1884     * @hide
1885     */
1886    public static final class CalendarMetaData implements CalendarMetaDataColumns, BaseColumns {
1887    }
1888
1889    protected interface EventDaysColumns {
1890        /**
1891         * The Julian starting day number. Column name.
1892         * <P>Type: INTEGER (int)</P>
1893         */
1894        public static final String STARTDAY = "startDay";
1895        /**
1896         * The Julian ending day number. Column name.
1897         * <P>Type: INTEGER (int)</P>
1898         */
1899        public static final String ENDDAY = "endDay";
1900
1901    }
1902
1903    /**
1904     * Fields and helpers for querying for a list of days that contain events.
1905     */
1906    public static final class EventDays implements EventDaysColumns {
1907        public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY
1908                + "/instances/groupbyday");
1909
1910        /**
1911         * The projection used by the EventDays query.
1912         */
1913        public static final String[] PROJECTION = { STARTDAY, ENDDAY };
1914        private static final String SELECTION = "selected=1";
1915
1916        /**
1917         * Retrieves the days with events for the Julian days starting at
1918         * "startDay" for "numDays". It returns a cursor containing startday and
1919         * endday representing the max range of days for all events beginning on
1920         * each startday.This is a blocking function and should not be done on
1921         * the UI thread.
1922         *
1923         * @param cr the ContentResolver
1924         * @param startDay the first Julian day in the range
1925         * @param numDays the number of days to load (must be at least 1)
1926         * @return a database cursor containing a list of start and end days for
1927         *         events
1928         */
1929        public static final Cursor query(ContentResolver cr, int startDay, int numDays) {
1930            if (numDays < 1) {
1931                return null;
1932            }
1933            int endDay = startDay + numDays - 1;
1934            Uri.Builder builder = CONTENT_URI.buildUpon();
1935            ContentUris.appendId(builder, startDay);
1936            ContentUris.appendId(builder, endDay);
1937            return cr.query(builder.build(), PROJECTION, SELECTION,
1938                    null /* selection args */, STARTDAY);
1939        }
1940    }
1941
1942    protected interface RemindersColumns {
1943        /**
1944         * The event the reminder belongs to. Column name.
1945         * <P>Type: INTEGER (foreign key to the Events table)</P>
1946         */
1947        public static final String EVENT_ID = "event_id";
1948
1949        /**
1950         * The minutes prior to the event that the alarm should ring.  -1
1951         * specifies that we should use the default value for the system.
1952         * Column name.
1953         * <P>Type: INTEGER</P>
1954         */
1955        public static final String MINUTES = "minutes";
1956
1957        /**
1958         * Passing this as a minutes value will use the default reminder
1959         * minutes.
1960         */
1961        public static final int MINUTES_DEFAULT = -1;
1962
1963        /**
1964         * The alarm method, as set on the server. {@link #METHOD_DEFAULT},
1965         * {@link #METHOD_ALERT}, {@link #METHOD_EMAIL}, and {@link #METHOD_SMS}
1966         * are possible values; the device will only process
1967         * {@link #METHOD_DEFAULT} and {@link #METHOD_ALERT} reminders (the
1968         * other types are simply stored so we can send the same reminder info
1969         * back to the server when we make changes).
1970         */
1971        public static final String METHOD = "method";
1972
1973        public static final int METHOD_DEFAULT = 0;
1974        public static final int METHOD_ALERT = 1;
1975        public static final int METHOD_EMAIL = 2;
1976        public static final int METHOD_SMS = 3;
1977    }
1978
1979    /**
1980     * Fields and helpers for accessing reminders for an event. Each row of this
1981     * table represents a single reminder for an event. Calling
1982     * {@link #query(ContentResolver, long)} will return a list of reminders for
1983     * the event with the given eventId. Both apps and sync adapters may write
1984     * to this table. There are three writable fields and all of them must be
1985     * included when inserting a new reminder. They are:
1986     * <ul>
1987     * <li>{@link #EVENT_ID}</li>
1988     * <li>{@link #MINUTES}</li>
1989     * <li>{@link #METHOD}</li>
1990     * </ul>
1991     */
1992    public static final class Reminders implements BaseColumns, RemindersColumns, EventsColumns {
1993        private static final String REMINDERS_WHERE = CalendarContract.Reminders.EVENT_ID + "=?";
1994        /**
1995         * The projection used by the reminders query.
1996         */
1997        public static final String[] PROJECTION = new String[] {
1998                _ID, MINUTES, METHOD,};
1999        @SuppressWarnings("hiding")
2000        public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/reminders");
2001
2002        /**
2003         * Queries all reminders associated with the given event. This is a
2004         * blocking call and should not be done on the UI thread.
2005         *
2006         * @param cr The content resolver to use for the query
2007         * @param eventId The id of the event to retrieve reminders for
2008         * @return A Cursor containing all reminders for the event
2009         */
2010        public static final Cursor query(ContentResolver cr, long eventId) {
2011            String[] remArgs = {Long.toString(eventId)};
2012            return cr.query(CONTENT_URI, PROJECTION, REMINDERS_WHERE, remArgs /* selection args */,
2013                    null /* sort order */);
2014        }
2015    }
2016
2017    protected interface CalendarAlertsColumns {
2018        /**
2019         * The event that the alert belongs to. Column name.
2020         * <P>Type: INTEGER (foreign key to the Events table)</P>
2021         */
2022        public static final String EVENT_ID = "event_id";
2023
2024        /**
2025         * The start time of the event, in UTC. Column name.
2026         * <P>Type: INTEGER (long; millis since epoch)</P>
2027         */
2028        public static final String BEGIN = "begin";
2029
2030        /**
2031         * The end time of the event, in UTC. Column name.
2032         * <P>Type: INTEGER (long; millis since epoch)</P>
2033         */
2034        public static final String END = "end";
2035
2036        /**
2037         * The alarm time of the event, in UTC. Column name.
2038         * <P>Type: INTEGER (long; millis since epoch)</P>
2039         */
2040        public static final String ALARM_TIME = "alarmTime";
2041
2042        /**
2043         * The creation time of this database entry, in UTC.
2044         * Useful for debugging missed reminders. Column name.
2045         * <P>Type: INTEGER (long; millis since epoch)</P>
2046         */
2047        public static final String CREATION_TIME = "creationTime";
2048
2049        /**
2050         * The time that the alarm broadcast was received by the Calendar app,
2051         * in UTC. Useful for debugging missed reminders. Column name.
2052         * <P>Type: INTEGER (long; millis since epoch)</P>
2053         */
2054        public static final String RECEIVED_TIME = "receivedTime";
2055
2056        /**
2057         * The time that the notification was created by the Calendar app,
2058         * in UTC. Useful for debugging missed reminders. Column name.
2059         * <P>Type: INTEGER (long; millis since epoch)</P>
2060         */
2061        public static final String NOTIFY_TIME = "notifyTime";
2062
2063        /**
2064         * The state of this alert. It starts out as {@link #SCHEDULED}, then
2065         * when the alarm goes off, it changes to {@link #FIRED}, and then when
2066         * the user dismisses the alarm it changes to {@link #DISMISSED}. Column
2067         * name.
2068         * <P>Type: INTEGER</P>
2069         */
2070        public static final String STATE = "state";
2071
2072        public static final int SCHEDULED = 0;
2073        public static final int FIRED = 1;
2074        public static final int DISMISSED = 2;
2075
2076        /**
2077         * The number of minutes that this alarm precedes the start time. Column
2078         * name.
2079         * <P>Type: INTEGER</P>
2080         */
2081        public static final String MINUTES = "minutes";
2082
2083        /**
2084         * The default sort order for this alerts queries
2085         */
2086        public static final String DEFAULT_SORT_ORDER = "begin ASC,title ASC";
2087    }
2088
2089    /**
2090     * Fields and helpers for accessing calendar alerts information. These
2091     * fields are for tracking which alerts have been fired. Scheduled alarms
2092     * will generate an intent using {@link #EVENT_REMINDER_ACTION}. Apps that
2093     * receive this action may update the {@link #STATE} for the reminder when
2094     * they have finished handling it. Apps that have their notifications
2095     * disabled should not modify the table to ensure that they do not conflict
2096     * with another app that is generating a notification. In general, apps
2097     * should not need to write to this table directly except to update the
2098     * state of a reminder.
2099     */
2100    public static final class CalendarAlerts implements BaseColumns,
2101            CalendarAlertsColumns, EventsColumns, CalendarsColumns {
2102
2103        /**
2104         * @hide
2105         */
2106        public static final String TABLE_NAME = "CalendarAlerts";
2107        /**
2108         * The Uri for querying calendar alert information
2109         */
2110        @SuppressWarnings("hiding")
2111        public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY +
2112                "/calendar_alerts");
2113
2114        private static final String WHERE_ALARM_EXISTS = EVENT_ID + "=?"
2115                + " AND " + BEGIN + "=?"
2116                + " AND " + ALARM_TIME + "=?";
2117
2118        private static final String WHERE_FINDNEXTALARMTIME = ALARM_TIME + ">=?";
2119        private static final String SORT_ORDER_ALARMTIME_ASC = ALARM_TIME + " ASC";
2120
2121        private static final String WHERE_RESCHEDULE_MISSED_ALARMS = STATE + "=" + SCHEDULED
2122                + " AND " + ALARM_TIME + "<?"
2123                + " AND " + ALARM_TIME + ">?"
2124                + " AND " + END + ">=?";
2125
2126        /**
2127         * This URI is for grouping the query results by event_id and begin
2128         * time.  This will return one result per instance of an event.  So
2129         * events with multiple alarms will appear just once, but multiple
2130         * instances of a repeating event will show up multiple times.
2131         */
2132        public static final Uri CONTENT_URI_BY_INSTANCE =
2133            Uri.parse("content://" + AUTHORITY + "/calendar_alerts/by_instance");
2134
2135        private static final boolean DEBUG = true;
2136
2137        /**
2138         * Helper for inserting an alarm time associated with an event
2139         *
2140         * @hide
2141         */
2142        public static final Uri insert(ContentResolver cr, long eventId,
2143                long begin, long end, long alarmTime, int minutes) {
2144            ContentValues values = new ContentValues();
2145            values.put(CalendarAlerts.EVENT_ID, eventId);
2146            values.put(CalendarAlerts.BEGIN, begin);
2147            values.put(CalendarAlerts.END, end);
2148            values.put(CalendarAlerts.ALARM_TIME, alarmTime);
2149            long currentTime = System.currentTimeMillis();
2150            values.put(CalendarAlerts.CREATION_TIME, currentTime);
2151            values.put(CalendarAlerts.RECEIVED_TIME, 0);
2152            values.put(CalendarAlerts.NOTIFY_TIME, 0);
2153            values.put(CalendarAlerts.STATE, SCHEDULED);
2154            values.put(CalendarAlerts.MINUTES, minutes);
2155            return cr.insert(CONTENT_URI, values);
2156        }
2157
2158        /**
2159         * Queries alerts info using the given projection, selection filter, and
2160         * ordering. This is a blocking call and should not be done on the UI
2161         * thread. For selection and selectionArgs usage see
2162         * {@link ContentResolver#query(Uri, String[], String, String[], String)}
2163         *
2164         * @param cr The content resolver to use for the query
2165         * @param projection The columns to return
2166         * @param selection Filter on the query as an SQL WHERE statement
2167         * @param selectionArgs Args to replace any '?'s in the selection
2168         * @param sortOrder How to order the rows as an SQL ORDER BY statement
2169         * @return A Cursor containing the matching alerts
2170         */
2171        public static final Cursor query(ContentResolver cr, String[] projection,
2172                String selection, String[] selectionArgs, String sortOrder) {
2173            return cr.query(CONTENT_URI, projection, selection, selectionArgs,
2174                    sortOrder);
2175        }
2176
2177        /**
2178         * Finds the next alarm after (or equal to) the given time and returns
2179         * the time of that alarm or -1 if no such alarm exists. This is a
2180         * blocking call and should not be done on the UI thread.
2181         *
2182         * @param cr the ContentResolver
2183         * @param millis the time in UTC milliseconds
2184         * @return the next alarm time greater than or equal to "millis", or -1
2185         *         if no such alarm exists.
2186         */
2187        public static final long findNextAlarmTime(ContentResolver cr, long millis) {
2188            String selection = ALARM_TIME + ">=" + millis;
2189            // TODO: construct an explicit SQL query so that we can add
2190            // "LIMIT 1" to the end and get just one result.
2191            String[] projection = new String[] { ALARM_TIME };
2192            Cursor cursor = query(cr, projection,
2193                    WHERE_FINDNEXTALARMTIME,
2194                    new String[] {
2195                        Long.toString(millis)
2196                    },
2197                    SORT_ORDER_ALARMTIME_ASC);
2198            long alarmTime = -1;
2199            try {
2200                if (cursor != null && cursor.moveToFirst()) {
2201                    alarmTime = cursor.getLong(0);
2202                }
2203            } finally {
2204                if (cursor != null) {
2205                    cursor.close();
2206                }
2207            }
2208            return alarmTime;
2209        }
2210
2211        /**
2212         * Searches the CalendarAlerts table for alarms that should have fired
2213         * but have not and then reschedules them.  This method can be called
2214         * at boot time to restore alarms that may have been lost due to a
2215         * phone reboot.
2216         *
2217         * @param cr the ContentResolver
2218         * @param context the Context
2219         * @param manager the AlarmManager
2220         */
2221        public static final void rescheduleMissedAlarms(ContentResolver cr,
2222                Context context, AlarmManager manager) {
2223            // Get all the alerts that have been scheduled but have not fired
2224            // and should have fired by now and are not too old.
2225            long now = System.currentTimeMillis();
2226            long ancient = now - DateUtils.DAY_IN_MILLIS;
2227            String[] projection = new String[] {
2228                    ALARM_TIME,
2229            };
2230
2231            // TODO: construct an explicit SQL query so that we can add
2232            // "GROUPBY" instead of doing a sort and de-dup
2233            Cursor cursor = CalendarAlerts.query(cr,
2234                    projection,
2235                    WHERE_RESCHEDULE_MISSED_ALARMS,
2236                    new String[] {
2237                        Long.toString(now),
2238                        Long.toString(ancient),
2239                        Long.toString(now)
2240                    },
2241                    SORT_ORDER_ALARMTIME_ASC);
2242            if (cursor == null) {
2243                return;
2244            }
2245
2246            if (DEBUG) {
2247                Log.d(TAG, "missed alarms found: " + cursor.getCount());
2248            }
2249
2250            try {
2251                long alarmTime = -1;
2252
2253                while (cursor.moveToNext()) {
2254                    long newAlarmTime = cursor.getLong(0);
2255                    if (alarmTime != newAlarmTime) {
2256                        if (DEBUG) {
2257                            Log.w(TAG, "rescheduling missed alarm. alarmTime: " + newAlarmTime);
2258                        }
2259                        scheduleAlarm(context, manager, newAlarmTime);
2260                        alarmTime = newAlarmTime;
2261                    }
2262                }
2263            } finally {
2264                cursor.close();
2265            }
2266        }
2267
2268        /**
2269         * Schedules an alarm intent with the system AlarmManager that will
2270         * notify listeners when a reminder should be fired. The provider will
2271         * keep scheduled reminders up to date but apps may use this to
2272         * implement snooze functionality without modifying the reminders table.
2273         * Scheduled alarms will generate an intent using
2274         * {@link #EVENT_REMINDER_ACTION}.
2275         *
2276         * @param context A context for referencing system resources
2277         * @param manager The AlarmManager to use or null
2278         * @param alarmTime The time to fire the intent in UTC millis since
2279         *            epoch
2280         */
2281        public static void scheduleAlarm(Context context, AlarmManager manager, long alarmTime) {
2282            if (DEBUG) {
2283                Time time = new Time();
2284                time.set(alarmTime);
2285                String schedTime = time.format(" %a, %b %d, %Y %I:%M%P");
2286                Log.d(TAG, "Schedule alarm at " + alarmTime + " " + schedTime);
2287            }
2288
2289            if (manager == null) {
2290                manager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
2291            }
2292
2293            Intent intent = new Intent(EVENT_REMINDER_ACTION);
2294            intent.setData(ContentUris.withAppendedId(CalendarContract.CONTENT_URI, alarmTime));
2295            intent.putExtra(ALARM_TIME, alarmTime);
2296            PendingIntent pi = PendingIntent.getBroadcast(context, 0, intent, 0);
2297            manager.set(AlarmManager.RTC_WAKEUP, alarmTime, pi);
2298        }
2299
2300        /**
2301         * Searches for an entry in the CalendarAlerts table that matches
2302         * the given event id, begin time and alarm time.  If one is found
2303         * then this alarm already exists and this method returns true.
2304         *
2305         * @param cr the ContentResolver
2306         * @param eventId the event id to match
2307         * @param begin the start time of the event in UTC millis
2308         * @param alarmTime the alarm time of the event in UTC millis
2309         * @return true if there is already an alarm for the given event
2310         *   with the same start time and alarm time.
2311         */
2312        public static final boolean alarmExists(ContentResolver cr, long eventId,
2313                long begin, long alarmTime) {
2314            // TODO: construct an explicit SQL query so that we can add
2315            // "LIMIT 1" to the end and get just one result.
2316            String[] projection = new String[] { ALARM_TIME };
2317            Cursor cursor = query(cr,
2318                    projection,
2319                    WHERE_ALARM_EXISTS,
2320                    new String[] {
2321                        Long.toString(eventId),
2322                        Long.toString(begin),
2323                        Long.toString(alarmTime)
2324                    },
2325                    null);
2326            boolean found = false;
2327            try {
2328                if (cursor != null && cursor.getCount() > 0) {
2329                    found = true;
2330                }
2331            } finally {
2332                if (cursor != null) {
2333                    cursor.close();
2334                }
2335            }
2336            return found;
2337        }
2338    }
2339
2340    protected interface ExtendedPropertiesColumns {
2341        /**
2342         * The event the extended property belongs to. Column name.
2343         * <P>Type: INTEGER (foreign key to the Events table)</P>
2344         */
2345        public static final String EVENT_ID = "event_id";
2346
2347        /**
2348         * The name of the extended property.  This is a uri of the form
2349         * {scheme}#{local-name} convention. Column name.
2350         * <P>Type: TEXT</P>
2351         */
2352        public static final String NAME = "name";
2353
2354        /**
2355         * The value of the extended property. Column name.
2356         * <P>Type: TEXT</P>
2357         */
2358        public static final String VALUE = "value";
2359    }
2360
2361    /**
2362     * Fields for accessing the Extended Properties. This is a generic set of
2363     * name/value pairs for use by sync adapters or apps to add extra
2364     * information to events. There are three writable columns and all three
2365     * must be present when inserting a new value. They are:
2366     * <ul>
2367     * <li>{@link #EVENT_ID}</li>
2368     * <li>{@link #NAME}</li>
2369     * <li>{@link #VALUE}</li>
2370     * </ul>
2371     */
2372   public static final class ExtendedProperties implements BaseColumns,
2373            ExtendedPropertiesColumns, EventsColumns {
2374        public static final Uri CONTENT_URI =
2375                Uri.parse("content://" + AUTHORITY + "/extendedproperties");
2376
2377        // TODO: fill out this class when we actually start utilizing extendedproperties
2378        // in the calendar application.
2379   }
2380
2381    /**
2382     * A table provided for sync adapters to use for storing private sync state data.
2383     *
2384     * @see SyncStateContract
2385     */
2386    public static final class SyncState implements SyncStateContract.Columns {
2387        /**
2388         * This utility class cannot be instantiated
2389         */
2390        private SyncState() {}
2391
2392        private static final String CONTENT_DIRECTORY =
2393                SyncStateContract.Constants.CONTENT_DIRECTORY;
2394
2395        /**
2396         * The content:// style URI for this table
2397         */
2398        public static final Uri CONTENT_URI =
2399                Uri.withAppendedPath(CalendarContract.CONTENT_URI, CONTENT_DIRECTORY);
2400    }
2401
2402    /**
2403     * Columns from the EventsRawTimes table
2404     *
2405     * @hide
2406     */
2407    protected interface EventsRawTimesColumns {
2408        /**
2409         * The corresponding event id. Column name.
2410         * <P>Type: INTEGER (long)</P>
2411         */
2412        public static final String EVENT_ID = "event_id";
2413
2414        /**
2415         * The RFC2445 compliant time the event starts. Column name.
2416         * <P>Type: TEXT</P>
2417         */
2418        public static final String DTSTART_2445 = "dtstart2445";
2419
2420        /**
2421         * The RFC2445 compliant time the event ends. Column name.
2422         * <P>Type: TEXT</P>
2423         */
2424        public static final String DTEND_2445 = "dtend2445";
2425
2426        /**
2427         * The RFC2445 compliant original instance time of the recurring event
2428         * for which this event is an exception. Column name.
2429         * <P>Type: TEXT</P>
2430         */
2431        public static final String ORIGINAL_INSTANCE_TIME_2445 = "originalInstanceTime2445";
2432
2433        /**
2434         * The RFC2445 compliant last date this event repeats on, or NULL if it
2435         * never ends. Column name.
2436         * <P>Type: TEXT</P>
2437         */
2438        public static final String LAST_DATE_2445 = "lastDate2445";
2439    }
2440
2441    /**
2442     * @hide
2443     */
2444    public static final class EventsRawTimes implements BaseColumns, EventsRawTimesColumns {
2445    }
2446}
2447