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 17 package android.provider; 18 19 import android.accounts.Account; 20 import android.app.AlarmManager; 21 import android.app.PendingIntent; 22 import android.content.ContentProviderClient; 23 import android.content.ContentResolver; 24 import android.content.ContentUris; 25 import android.content.ContentValues; 26 import android.content.Context; 27 import android.content.CursorEntityIterator; 28 import android.content.Entity; 29 import android.content.EntityIterator; 30 import android.content.Intent; 31 import android.database.Cursor; 32 import android.database.DatabaseUtils; 33 import android.net.Uri; 34 import android.os.RemoteException; 35 import android.pim.ICalendar; 36 import android.text.TextUtils; 37 import android.text.format.DateUtils; 38 import android.text.format.Time; 39 import android.util.Log; 40 41 /** 42 * The Calendar provider contains all calendar events. 43 * 44 * @hide 45 */ 46 public final class Calendar { 47 48 public static final String TAG = "Calendar"; 49 50 /** 51 * Broadcast Action: An event reminder. 52 */ 53 public static final String EVENT_REMINDER_ACTION = "android.intent.action.EVENT_REMINDER"; 54 55 /** 56 * These are the symbolic names for the keys used in the extra data 57 * passed in the intent for event reminders. 58 */ 59 public static final String EVENT_BEGIN_TIME = "beginTime"; 60 public static final String EVENT_END_TIME = "endTime"; 61 62 public static final String AUTHORITY = "com.android.calendar"; 63 64 /** 65 * The content:// style URL for the top-level calendar authority 66 */ 67 public static final Uri CONTENT_URI = 68 Uri.parse("content://" + AUTHORITY); 69 70 /** 71 * An optional insert, update or delete URI parameter that allows the caller 72 * to specify that it is a sync adapter. The default value is false. If true 73 * the dirty flag is not automatically set and the "syncToNetwork" parameter 74 * is set to false when calling 75 * {@link ContentResolver#notifyChange(android.net.Uri, android.database.ContentObserver, boolean)}. 76 */ 77 public static final String CALLER_IS_SYNCADAPTER = "caller_is_syncadapter"; 78 79 /** 80 * Columns from the Calendars table that other tables join into themselves. 81 */ 82 public interface CalendarsColumns 83 { 84 /** 85 * The color of the calendar 86 * <P>Type: INTEGER (color value)</P> 87 */ 88 public static final String COLOR = "color"; 89 90 /** 91 * The level of access that the user has for the calendar 92 * <P>Type: INTEGER (one of the values below)</P> 93 */ 94 public static final String ACCESS_LEVEL = "access_level"; 95 96 /** Cannot access the calendar */ 97 public static final int NO_ACCESS = 0; 98 /** Can only see free/busy information about the calendar */ 99 public static final int FREEBUSY_ACCESS = 100; 100 /** Can read all event details */ 101 public static final int READ_ACCESS = 200; 102 public static final int RESPOND_ACCESS = 300; 103 public static final int OVERRIDE_ACCESS = 400; 104 /** Full access to modify the calendar, but not the access control settings */ 105 public static final int CONTRIBUTOR_ACCESS = 500; 106 public static final int EDITOR_ACCESS = 600; 107 /** Full access to the calendar */ 108 public static final int OWNER_ACCESS = 700; 109 /** Domain admin */ 110 public static final int ROOT_ACCESS = 800; 111 112 /** 113 * Is the calendar selected to be displayed? 114 * <P>Type: INTEGER (boolean)</P> 115 */ 116 public static final String SELECTED = "selected"; 117 118 /** 119 * The timezone the calendar's events occurs in 120 * <P>Type: TEXT</P> 121 */ 122 public static final String TIMEZONE = "timezone"; 123 124 /** 125 * If this calendar is in the list of calendars that are selected for 126 * syncing then "sync_events" is 1, otherwise 0. 127 * <p>Type: INTEGER (boolean)</p> 128 */ 129 public static final String SYNC_EVENTS = "sync_events"; 130 131 /** 132 * Sync state data. 133 * <p>Type: String (blob)</p> 134 */ 135 public static final String SYNC_STATE = "sync_state"; 136 137 /** 138 * The account that was used to sync the entry to the device. 139 * <P>Type: TEXT</P> 140 */ 141 public static final String _SYNC_ACCOUNT = "_sync_account"; 142 143 /** 144 * The type of the account that was used to sync the entry to the device. 145 * <P>Type: TEXT</P> 146 */ 147 public static final String _SYNC_ACCOUNT_TYPE = "_sync_account_type"; 148 149 /** 150 * The unique ID for a row assigned by the sync source. NULL if the row has never been synced. 151 * <P>Type: TEXT</P> 152 */ 153 public static final String _SYNC_ID = "_sync_id"; 154 155 /** 156 * The last time, from the sync source's point of view, that this row has been synchronized. 157 * <P>Type: INTEGER (long)</P> 158 */ 159 public static final String _SYNC_TIME = "_sync_time"; 160 161 /** 162 * The version of the row, as assigned by the server. 163 * <P>Type: TEXT</P> 164 */ 165 public static final String _SYNC_VERSION = "_sync_version"; 166 167 /** 168 * For use by sync adapter at its discretion; not modified by CalendarProvider 169 * Note that this column was formerly named _SYNC_LOCAL_ID. We are using it to avoid a 170 * schema change. 171 * TODO Replace this with something more general in the future. 172 * <P>Type: INTEGER (long)</P> 173 */ 174 public static final String _SYNC_DATA = "_sync_local_id"; 175 176 /** 177 * Used only in persistent providers, and only during merging. 178 * <P>Type: INTEGER (long)</P> 179 */ 180 public static final String _SYNC_MARK = "_sync_mark"; 181 182 /** 183 * Used to indicate that local, unsynced, changes are present. 184 * <P>Type: INTEGER (long)</P> 185 */ 186 public static final String _SYNC_DIRTY = "_sync_dirty"; 187 188 /** 189 * The name of the account instance to which this row belongs, which when paired with 190 * {@link #ACCOUNT_TYPE} identifies a specific account. 191 * <P>Type: TEXT</P> 192 */ 193 public static final String ACCOUNT_NAME = "account_name"; 194 195 /** 196 * The type of account to which this row belongs, which when paired with 197 * {@link #ACCOUNT_NAME} identifies a specific account. 198 * <P>Type: TEXT</P> 199 */ 200 public static final String ACCOUNT_TYPE = "account_type"; 201 } 202 203 /** 204 * Contains a list of available calendars. 205 */ 206 public static class Calendars implements BaseColumns, CalendarsColumns 207 { 208 private static final String WHERE_DELETE_FOR_ACCOUNT = Calendars._SYNC_ACCOUNT + "=?" 209 + " AND " + Calendars._SYNC_ACCOUNT_TYPE + "=?"; 210 211 public static final Cursor query(ContentResolver cr, String[] projection, 212 String where, String orderBy) 213 { 214 return cr.query(CONTENT_URI, projection, where, 215 null, orderBy == null ? DEFAULT_SORT_ORDER : orderBy); 216 } 217 218 /** 219 * Convenience method perform a delete on the Calendar provider 220 * 221 * @param cr the ContentResolver 222 * @param selection the rows to delete 223 * @return the count of rows that were deleted 224 */ 225 public static int delete(ContentResolver cr, String selection, String[] selectionArgs) 226 { 227 return cr.delete(CONTENT_URI, selection, selectionArgs); 228 } 229 230 /** 231 * Convenience method to delete all calendars that match the account. 232 * 233 * @param cr the ContentResolver 234 * @param account the account whose rows should be deleted 235 * @return the count of rows that were deleted 236 */ 237 public static int deleteCalendarsForAccount(ContentResolver cr, Account account) { 238 // delete all calendars that match this account 239 return Calendar.Calendars.delete(cr, 240 WHERE_DELETE_FOR_ACCOUNT, 241 new String[] { account.name, account.type }); 242 } 243 244 /** 245 * The content:// style URL for this table 246 */ 247 public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/calendars"); 248 249 /** 250 * The default sort order for this table 251 */ 252 public static final String DEFAULT_SORT_ORDER = "displayName"; 253 254 /** 255 * The URL to the calendar 256 * <P>Type: TEXT (URL)</P> 257 */ 258 public static final String URL = "url"; 259 260 /** 261 * The name of the calendar 262 * <P>Type: TEXT</P> 263 */ 264 public static final String NAME = "name"; 265 266 /** 267 * The display name of the calendar 268 * <P>Type: TEXT</P> 269 */ 270 public static final String DISPLAY_NAME = "displayName"; 271 272 /** 273 * The location the of the events in the calendar 274 * <P>Type: TEXT</P> 275 */ 276 public static final String LOCATION = "location"; 277 278 /** 279 * Should the calendar be hidden in the calendar selection panel? 280 * <P>Type: INTEGER (boolean)</P> 281 */ 282 public static final String HIDDEN = "hidden"; 283 284 /** 285 * The owner account for this calendar, based on the calendar feed. 286 * This will be different from the _SYNC_ACCOUNT for delegated calendars. 287 * <P>Type: String</P> 288 */ 289 public static final String OWNER_ACCOUNT = "ownerAccount"; 290 291 /** 292 * Can the organizer respond to the event? If no, the status of the 293 * organizer should not be shown by the UI. Defaults to 1 294 * <P>Type: INTEGER (boolean)</P> 295 */ 296 public static final String ORGANIZER_CAN_RESPOND = "organizerCanRespond"; 297 } 298 299 public interface AttendeesColumns { 300 301 /** 302 * The id of the event. 303 * <P>Type: INTEGER</P> 304 */ 305 public static final String EVENT_ID = "event_id"; 306 307 /** 308 * The name of the attendee. 309 * <P>Type: STRING</P> 310 */ 311 public static final String ATTENDEE_NAME = "attendeeName"; 312 313 /** 314 * The email address of the attendee. 315 * <P>Type: STRING</P> 316 */ 317 public static final String ATTENDEE_EMAIL = "attendeeEmail"; 318 319 /** 320 * The relationship of the attendee to the user. 321 * <P>Type: INTEGER (one of {@link #RELATIONSHIP_ATTENDEE}, ...}. 322 */ 323 public static final String ATTENDEE_RELATIONSHIP = "attendeeRelationship"; 324 325 public static final int RELATIONSHIP_NONE = 0; 326 public static final int RELATIONSHIP_ATTENDEE = 1; 327 public static final int RELATIONSHIP_ORGANIZER = 2; 328 public static final int RELATIONSHIP_PERFORMER = 3; 329 public static final int RELATIONSHIP_SPEAKER = 4; 330 331 /** 332 * The type of attendee. 333 * <P>Type: Integer (one of {@link #TYPE_REQUIRED}, {@link #TYPE_OPTIONAL}) 334 */ 335 public static final String ATTENDEE_TYPE = "attendeeType"; 336 337 public static final int TYPE_NONE = 0; 338 public static final int TYPE_REQUIRED = 1; 339 public static final int TYPE_OPTIONAL = 2; 340 341 /** 342 * The attendance status of the attendee. 343 * <P>Type: Integer (one of {@link #ATTENDEE_STATUS_ACCEPTED}, ...}. 344 */ 345 public static final String ATTENDEE_STATUS = "attendeeStatus"; 346 347 public static final int ATTENDEE_STATUS_NONE = 0; 348 public static final int ATTENDEE_STATUS_ACCEPTED = 1; 349 public static final int ATTENDEE_STATUS_DECLINED = 2; 350 public static final int ATTENDEE_STATUS_INVITED = 3; 351 public static final int ATTENDEE_STATUS_TENTATIVE = 4; 352 } 353 354 public static final class Attendees implements BaseColumns, AttendeesColumns, EventsColumns { 355 public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/attendees"); 356 357 // TODO: fill out this class when we actually start utilizing attendees 358 // in the calendar application. 359 } 360 361 /** 362 * Columns from the Events table that other tables join into themselves. 363 */ 364 public interface EventsColumns 365 { 366 /** 367 * The calendar the event belongs to 368 * <P>Type: INTEGER (foreign key to the Calendars table)</P> 369 */ 370 public static final String CALENDAR_ID = "calendar_id"; 371 372 /** 373 * The URI for an HTML version of this event. 374 * <P>Type: TEXT</P> 375 */ 376 public static final String HTML_URI = "htmlUri"; 377 378 /** 379 * The title of the event 380 * <P>Type: TEXT</P> 381 */ 382 public static final String TITLE = "title"; 383 384 /** 385 * The description of the event 386 * <P>Type: TEXT</P> 387 */ 388 public static final String DESCRIPTION = "description"; 389 390 /** 391 * Where the event takes place. 392 * <P>Type: TEXT</P> 393 */ 394 public static final String EVENT_LOCATION = "eventLocation"; 395 396 /** 397 * The event status 398 * <P>Type: INTEGER (int)</P> 399 */ 400 public static final String STATUS = "eventStatus"; 401 402 public static final int STATUS_TENTATIVE = 0; 403 public static final int STATUS_CONFIRMED = 1; 404 public static final int STATUS_CANCELED = 2; 405 406 /** 407 * This is a copy of the attendee status for the owner of this event. 408 * This field is copied here so that we can efficiently filter out 409 * events that are declined without having to look in the Attendees 410 * table. 411 * 412 * <P>Type: INTEGER (int)</P> 413 */ 414 public static final String SELF_ATTENDEE_STATUS = "selfAttendeeStatus"; 415 416 /** 417 * This column is available for use by sync adapters 418 * <P>Type: TEXT</P> 419 */ 420 public static final String SYNC_ADAPTER_DATA = "syncAdapterData"; 421 422 /** 423 * The comments feed uri. 424 * <P>Type: TEXT</P> 425 */ 426 public static final String COMMENTS_URI = "commentsUri"; 427 428 /** 429 * The time the event starts 430 * <P>Type: INTEGER (long; millis since epoch)</P> 431 */ 432 public static final String DTSTART = "dtstart"; 433 434 /** 435 * The time the event ends 436 * <P>Type: INTEGER (long; millis since epoch)</P> 437 */ 438 public static final String DTEND = "dtend"; 439 440 /** 441 * The duration of the event 442 * <P>Type: TEXT (duration in RFC2445 format)</P> 443 */ 444 public static final String DURATION = "duration"; 445 446 /** 447 * The timezone for the event. 448 * <P>Type: TEXT 449 */ 450 public static final String EVENT_TIMEZONE = "eventTimezone"; 451 452 /** 453 * Whether the event lasts all day or not 454 * <P>Type: INTEGER (boolean)</P> 455 */ 456 public static final String ALL_DAY = "allDay"; 457 458 /** 459 * Visibility for the event. 460 * <P>Type: INTEGER</P> 461 */ 462 public static final String VISIBILITY = "visibility"; 463 464 public static final int VISIBILITY_DEFAULT = 0; 465 public static final int VISIBILITY_CONFIDENTIAL = 1; 466 public static final int VISIBILITY_PRIVATE = 2; 467 public static final int VISIBILITY_PUBLIC = 3; 468 469 /** 470 * Transparency for the event -- does the event consume time on the calendar? 471 * <P>Type: INTEGER</P> 472 */ 473 public static final String TRANSPARENCY = "transparency"; 474 475 public static final int TRANSPARENCY_OPAQUE = 0; 476 477 public static final int TRANSPARENCY_TRANSPARENT = 1; 478 479 /** 480 * Whether the event has an alarm or not 481 * <P>Type: INTEGER (boolean)</P> 482 */ 483 public static final String HAS_ALARM = "hasAlarm"; 484 485 /** 486 * Whether the event has extended properties or not 487 * <P>Type: INTEGER (boolean)</P> 488 */ 489 public static final String HAS_EXTENDED_PROPERTIES = "hasExtendedProperties"; 490 491 /** 492 * The recurrence rule for the event. 493 * than one. 494 * <P>Type: TEXT</P> 495 */ 496 public static final String RRULE = "rrule"; 497 498 /** 499 * The recurrence dates for the event. 500 * <P>Type: TEXT</P> 501 */ 502 public static final String RDATE = "rdate"; 503 504 /** 505 * The recurrence exception rule for the event. 506 * <P>Type: TEXT</P> 507 */ 508 public static final String EXRULE = "exrule"; 509 510 /** 511 * The recurrence exception dates for the event. 512 * <P>Type: TEXT</P> 513 */ 514 public static final String EXDATE = "exdate"; 515 516 /** 517 * The _sync_id of the original recurring event for which this event is 518 * an exception. 519 * <P>Type: TEXT</P> 520 */ 521 public static final String ORIGINAL_EVENT = "originalEvent"; 522 523 /** 524 * The original instance time of the recurring event for which this 525 * event is an exception. 526 * <P>Type: INTEGER (long; millis since epoch)</P> 527 */ 528 public static final String ORIGINAL_INSTANCE_TIME = "originalInstanceTime"; 529 530 /** 531 * The allDay status (true or false) of the original recurring event 532 * for which this event is an exception. 533 * <P>Type: INTEGER (boolean)</P> 534 */ 535 public static final String ORIGINAL_ALL_DAY = "originalAllDay"; 536 537 /** 538 * The last date this event repeats on, or NULL if it never ends 539 * <P>Type: INTEGER (long; millis since epoch)</P> 540 */ 541 public static final String LAST_DATE = "lastDate"; 542 543 /** 544 * Whether the event has attendee information. True if the event 545 * has full attendee data, false if the event has information about 546 * self only. 547 * <P>Type: INTEGER (boolean)</P> 548 */ 549 public static final String HAS_ATTENDEE_DATA = "hasAttendeeData"; 550 551 /** 552 * Whether guests can modify the event. 553 * <P>Type: INTEGER (boolean)</P> 554 */ 555 public static final String GUESTS_CAN_MODIFY = "guestsCanModify"; 556 557 /** 558 * Whether guests can invite other guests. 559 * <P>Type: INTEGER (boolean)</P> 560 */ 561 public static final String GUESTS_CAN_INVITE_OTHERS = "guestsCanInviteOthers"; 562 563 /** 564 * Whether guests can see the list of attendees. 565 * <P>Type: INTEGER (boolean)</P> 566 */ 567 public static final String GUESTS_CAN_SEE_GUESTS = "guestsCanSeeGuests"; 568 569 /** 570 * Email of the organizer (owner) of the event. 571 * <P>Type: STRING</P> 572 */ 573 public static final String ORGANIZER = "organizer"; 574 575 /** 576 * Whether the user can invite others to the event. 577 * The GUESTS_CAN_INVITE_OTHERS is a setting that applies to an arbitrary guest, 578 * while CAN_INVITE_OTHERS indicates if the user can invite others (either through 579 * GUESTS_CAN_INVITE_OTHERS or because the user has modify access to the event). 580 * <P>Type: INTEGER (boolean, readonly)</P> 581 */ 582 public static final String CAN_INVITE_OTHERS = "canInviteOthers"; 583 584 /** 585 * The owner account for this calendar, based on the calendar (foreign 586 * key into the calendars table). 587 * <P>Type: String</P> 588 */ 589 public static final String OWNER_ACCOUNT = "ownerAccount"; 590 591 /** 592 * Whether the row has been deleted. A deleted row should be ignored. 593 * <P>Type: INTEGER (boolean)</P> 594 */ 595 public static final String DELETED = "deleted"; 596 } 597 598 /** 599 * Contains one entry per calendar event. Recurring events show up as a single entry. 600 */ 601 public static final class EventsEntity implements BaseColumns, EventsColumns, CalendarsColumns { 602 /** 603 * The content:// style URL for this table 604 */ 605 public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + 606 "/event_entities"); 607 608 public static EntityIterator newEntityIterator(Cursor cursor, ContentResolver resolver) { 609 return new EntityIteratorImpl(cursor, resolver); 610 } 611 612 public static EntityIterator newEntityIterator(Cursor cursor, 613 ContentProviderClient provider) { 614 return new EntityIteratorImpl(cursor, provider); 615 } 616 617 private static class EntityIteratorImpl extends CursorEntityIterator { 618 private final ContentResolver mResolver; 619 private final ContentProviderClient mProvider; 620 621 private static final String[] REMINDERS_PROJECTION = new String[] { 622 Reminders.MINUTES, 623 Reminders.METHOD, 624 }; 625 private static final int COLUMN_MINUTES = 0; 626 private static final int COLUMN_METHOD = 1; 627 628 private static final String[] ATTENDEES_PROJECTION = new String[] { 629 Attendees.ATTENDEE_NAME, 630 Attendees.ATTENDEE_EMAIL, 631 Attendees.ATTENDEE_RELATIONSHIP, 632 Attendees.ATTENDEE_TYPE, 633 Attendees.ATTENDEE_STATUS, 634 }; 635 private static final int COLUMN_ATTENDEE_NAME = 0; 636 private static final int COLUMN_ATTENDEE_EMAIL = 1; 637 private static final int COLUMN_ATTENDEE_RELATIONSHIP = 2; 638 private static final int COLUMN_ATTENDEE_TYPE = 3; 639 private static final int COLUMN_ATTENDEE_STATUS = 4; 640 private static final String[] EXTENDED_PROJECTION = new String[] { 641 ExtendedProperties._ID, 642 ExtendedProperties.NAME, 643 ExtendedProperties.VALUE 644 }; 645 private static final int COLUMN_ID = 0; 646 private static final int COLUMN_NAME = 1; 647 private static final int COLUMN_VALUE = 2; 648 649 private static final String WHERE_EVENT_ID = "event_id=?"; 650 651 public EntityIteratorImpl(Cursor cursor, ContentResolver resolver) { 652 super(cursor); 653 mResolver = resolver; 654 mProvider = null; 655 } 656 657 public EntityIteratorImpl(Cursor cursor, ContentProviderClient provider) { 658 super(cursor); 659 mResolver = null; 660 mProvider = provider; 661 } 662 663 @Override 664 public Entity getEntityAndIncrementCursor(Cursor cursor) throws RemoteException { 665 // we expect the cursor is already at the row we need to read from 666 final long eventId = cursor.getLong(cursor.getColumnIndexOrThrow(Events._ID)); 667 ContentValues cv = new ContentValues(); 668 cv.put(Events._ID, eventId); 669 DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv, CALENDAR_ID); 670 DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, HTML_URI); 671 DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, TITLE); 672 DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, DESCRIPTION); 673 DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, EVENT_LOCATION); 674 DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv, STATUS); 675 DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv, SELF_ATTENDEE_STATUS); 676 DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, COMMENTS_URI); 677 DatabaseUtils.cursorLongToContentValuesIfPresent(cursor, cv, DTSTART); 678 DatabaseUtils.cursorLongToContentValuesIfPresent(cursor, cv, DTEND); 679 DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, DURATION); 680 DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, EVENT_TIMEZONE); 681 DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, ALL_DAY); 682 DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv, VISIBILITY); 683 DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv, TRANSPARENCY); 684 DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, HAS_ALARM); 685 DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, 686 HAS_EXTENDED_PROPERTIES); 687 DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, RRULE); 688 DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, RDATE); 689 DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, EXRULE); 690 DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, EXDATE); 691 DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, ORIGINAL_EVENT); 692 DatabaseUtils.cursorLongToContentValuesIfPresent(cursor, cv, 693 ORIGINAL_INSTANCE_TIME); 694 DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv, ORIGINAL_ALL_DAY); 695 DatabaseUtils.cursorLongToContentValuesIfPresent(cursor, cv, LAST_DATE); 696 DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv, HAS_ATTENDEE_DATA); 697 DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv, 698 GUESTS_CAN_INVITE_OTHERS); 699 DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv, GUESTS_CAN_MODIFY); 700 DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv, GUESTS_CAN_SEE_GUESTS); 701 DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, ORGANIZER); 702 DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, _SYNC_ID); 703 DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, _SYNC_DATA); 704 DatabaseUtils.cursorLongToContentValuesIfPresent(cursor, cv, _SYNC_DIRTY); 705 DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, _SYNC_VERSION); 706 DatabaseUtils.cursorIntToContentValuesIfPresent(cursor, cv, DELETED); 707 DatabaseUtils.cursorStringToContentValuesIfPresent(cursor, cv, Calendars.URL); 708 709 Entity entity = new Entity(cv); 710 Cursor subCursor; 711 if (mResolver != null) { 712 subCursor = mResolver.query(Reminders.CONTENT_URI, REMINDERS_PROJECTION, 713 WHERE_EVENT_ID, 714 new String[] { Long.toString(eventId) } /* selectionArgs */, 715 null /* sortOrder */); 716 } else { 717 subCursor = mProvider.query(Reminders.CONTENT_URI, REMINDERS_PROJECTION, 718 WHERE_EVENT_ID, 719 new String[] { Long.toString(eventId) } /* selectionArgs */, 720 null /* sortOrder */); 721 } 722 try { 723 while (subCursor.moveToNext()) { 724 ContentValues reminderValues = new ContentValues(); 725 reminderValues.put(Reminders.MINUTES, subCursor.getInt(COLUMN_MINUTES)); 726 reminderValues.put(Reminders.METHOD, subCursor.getInt(COLUMN_METHOD)); 727 entity.addSubValue(Reminders.CONTENT_URI, reminderValues); 728 } 729 } finally { 730 subCursor.close(); 731 } 732 733 if (mResolver != null) { 734 subCursor = mResolver.query(Attendees.CONTENT_URI, ATTENDEES_PROJECTION, 735 WHERE_EVENT_ID, 736 new String[] { Long.toString(eventId) } /* selectionArgs */, 737 null /* sortOrder */); 738 } else { 739 subCursor = mProvider.query(Attendees.CONTENT_URI, ATTENDEES_PROJECTION, 740 WHERE_EVENT_ID, 741 new String[] { Long.toString(eventId) } /* selectionArgs */, 742 null /* sortOrder */); 743 } 744 try { 745 while (subCursor.moveToNext()) { 746 ContentValues attendeeValues = new ContentValues(); 747 attendeeValues.put(Attendees.ATTENDEE_NAME, 748 subCursor.getString(COLUMN_ATTENDEE_NAME)); 749 attendeeValues.put(Attendees.ATTENDEE_EMAIL, 750 subCursor.getString(COLUMN_ATTENDEE_EMAIL)); 751 attendeeValues.put(Attendees.ATTENDEE_RELATIONSHIP, 752 subCursor.getInt(COLUMN_ATTENDEE_RELATIONSHIP)); 753 attendeeValues.put(Attendees.ATTENDEE_TYPE, 754 subCursor.getInt(COLUMN_ATTENDEE_TYPE)); 755 attendeeValues.put(Attendees.ATTENDEE_STATUS, 756 subCursor.getInt(COLUMN_ATTENDEE_STATUS)); 757 entity.addSubValue(Attendees.CONTENT_URI, attendeeValues); 758 } 759 } finally { 760 subCursor.close(); 761 } 762 763 if (mResolver != null) { 764 subCursor = mResolver.query(ExtendedProperties.CONTENT_URI, EXTENDED_PROJECTION, 765 WHERE_EVENT_ID, 766 new String[] { Long.toString(eventId) } /* selectionArgs */, 767 null /* sortOrder */); 768 } else { 769 subCursor = mProvider.query(ExtendedProperties.CONTENT_URI, EXTENDED_PROJECTION, 770 WHERE_EVENT_ID, 771 new String[] { Long.toString(eventId) } /* selectionArgs */, 772 null /* sortOrder */); 773 } 774 try { 775 while (subCursor.moveToNext()) { 776 ContentValues extendedValues = new ContentValues(); 777 extendedValues.put(ExtendedProperties._ID, 778 subCursor.getString(COLUMN_ID)); 779 extendedValues.put(ExtendedProperties.NAME, 780 subCursor.getString(COLUMN_NAME)); 781 extendedValues.put(ExtendedProperties.VALUE, 782 subCursor.getString(COLUMN_VALUE)); 783 entity.addSubValue(ExtendedProperties.CONTENT_URI, extendedValues); 784 } 785 } finally { 786 subCursor.close(); 787 } 788 789 cursor.moveToNext(); 790 return entity; 791 } 792 } 793 } 794 795 /** 796 * Contains one entry per calendar event. Recurring events show up as a single entry. 797 */ 798 public static final class Events implements BaseColumns, EventsColumns, CalendarsColumns { 799 800 private static final String[] FETCH_ENTRY_COLUMNS = 801 new String[] { Events._SYNC_ACCOUNT, Events._SYNC_ID }; 802 803 private static final String[] ATTENDEES_COLUMNS = 804 new String[] { AttendeesColumns.ATTENDEE_NAME, 805 AttendeesColumns.ATTENDEE_EMAIL, 806 AttendeesColumns.ATTENDEE_RELATIONSHIP, 807 AttendeesColumns.ATTENDEE_TYPE, 808 AttendeesColumns.ATTENDEE_STATUS }; 809 810 public static final Cursor query(ContentResolver cr, String[] projection) { 811 return cr.query(CONTENT_URI, projection, null, null, DEFAULT_SORT_ORDER); 812 } 813 814 public static final Cursor query(ContentResolver cr, String[] projection, 815 String where, String orderBy) { 816 return cr.query(CONTENT_URI, projection, where, 817 null, orderBy == null ? DEFAULT_SORT_ORDER : orderBy); 818 } 819 820 private static String extractValue(ICalendar.Component component, 821 String propertyName) { 822 ICalendar.Property property = 823 component.getFirstProperty(propertyName); 824 if (property != null) { 825 return property.getValue(); 826 } 827 return null; 828 } 829 830 /** 831 * The content:// style URL for this table 832 */ 833 public static final Uri CONTENT_URI = 834 Uri.parse("content://" + AUTHORITY + "/events"); 835 836 public static final Uri DELETED_CONTENT_URI = 837 Uri.parse("content://" + AUTHORITY + "/deleted_events"); 838 839 /** 840 * The default sort order for this table 841 */ 842 public static final String DEFAULT_SORT_ORDER = ""; 843 } 844 845 /** 846 * Contains one entry per calendar event instance. Recurring events show up every time 847 * they occur. 848 */ 849 public static final class Instances implements BaseColumns, EventsColumns, CalendarsColumns { 850 851 private static final String WHERE_CALENDARS_SELECTED = Calendars.SELECTED + "=1"; 852 853 public static final Cursor query(ContentResolver cr, String[] projection, 854 long begin, long end) { 855 Uri.Builder builder = CONTENT_URI.buildUpon(); 856 ContentUris.appendId(builder, begin); 857 ContentUris.appendId(builder, end); 858 return cr.query(builder.build(), projection, WHERE_CALENDARS_SELECTED, 859 null, DEFAULT_SORT_ORDER); 860 } 861 862 public static final Cursor query(ContentResolver cr, String[] projection, 863 long begin, long end, String where, String orderBy) { 864 Uri.Builder builder = CONTENT_URI.buildUpon(); 865 ContentUris.appendId(builder, begin); 866 ContentUris.appendId(builder, end); 867 if (TextUtils.isEmpty(where)) { 868 where = WHERE_CALENDARS_SELECTED; 869 } else { 870 where = "(" + where + ") AND " + WHERE_CALENDARS_SELECTED; 871 } 872 return cr.query(builder.build(), projection, where, 873 null, orderBy == null ? DEFAULT_SORT_ORDER : orderBy); 874 } 875 876 /** 877 * The content:// style URL for this table 878 */ 879 public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + 880 "/instances/when"); 881 public static final Uri CONTENT_BY_DAY_URI = 882 Uri.parse("content://" + AUTHORITY + "/instances/whenbyday"); 883 884 /** 885 * The default sort order for this table. 886 */ 887 public static final String DEFAULT_SORT_ORDER = "begin ASC"; 888 889 /** 890 * The sort order is: events with an earlier start time occur 891 * first and if the start times are the same, then events with 892 * a later end time occur first. The later end time is ordered 893 * first so that long-running events in the calendar views appear 894 * first. If the start and end times of two events are 895 * the same then we sort alphabetically on the title. This isn't 896 * required for correctness, it just adds a nice touch. 897 */ 898 public static final String SORT_CALENDAR_VIEW = "begin ASC, end DESC, title ASC"; 899 900 /** 901 * The beginning time of the instance, in UTC milliseconds 902 * <P>Type: INTEGER (long; millis since epoch)</P> 903 */ 904 public static final String BEGIN = "begin"; 905 906 /** 907 * The ending time of the instance, in UTC milliseconds 908 * <P>Type: INTEGER (long; millis since epoch)</P> 909 */ 910 public static final String END = "end"; 911 912 /** 913 * The event for this instance 914 * <P>Type: INTEGER (long, foreign key to the Events table)</P> 915 */ 916 public static final String EVENT_ID = "event_id"; 917 918 /** 919 * The Julian start day of the instance, relative to the local timezone 920 * <P>Type: INTEGER (int)</P> 921 */ 922 public static final String START_DAY = "startDay"; 923 924 /** 925 * The Julian end day of the instance, relative to the local timezone 926 * <P>Type: INTEGER (int)</P> 927 */ 928 public static final String END_DAY = "endDay"; 929 930 /** 931 * The start minute of the instance measured from midnight in the 932 * local timezone. 933 * <P>Type: INTEGER (int)</P> 934 */ 935 public static final String START_MINUTE = "startMinute"; 936 937 /** 938 * The end minute of the instance measured from midnight in the 939 * local timezone. 940 * <P>Type: INTEGER (int)</P> 941 */ 942 public static final String END_MINUTE = "endMinute"; 943 } 944 945 /** 946 * A few Calendar globals are needed in the CalendarProvider for expanding 947 * the Instances table and these are all stored in the first (and only) 948 * row of the CalendarMetaData table. 949 */ 950 public interface CalendarMetaDataColumns { 951 /** 952 * The local timezone that was used for precomputing the fields 953 * in the Instances table. 954 */ 955 public static final String LOCAL_TIMEZONE = "localTimezone"; 956 957 /** 958 * The minimum time used in expanding the Instances table, 959 * in UTC milliseconds. 960 * <P>Type: INTEGER</P> 961 */ 962 public static final String MIN_INSTANCE = "minInstance"; 963 964 /** 965 * The maximum time used in expanding the Instances table, 966 * in UTC milliseconds. 967 * <P>Type: INTEGER</P> 968 */ 969 public static final String MAX_INSTANCE = "maxInstance"; 970 971 /** 972 * The minimum Julian day in the EventDays table. 973 * <P>Type: INTEGER</P> 974 */ 975 public static final String MIN_EVENTDAYS = "minEventDays"; 976 977 /** 978 * The maximum Julian day in the EventDays table. 979 * <P>Type: INTEGER</P> 980 */ 981 public static final String MAX_EVENTDAYS = "maxEventDays"; 982 } 983 984 public static final class CalendarMetaData implements CalendarMetaDataColumns { 985 } 986 987 public interface EventDaysColumns { 988 /** 989 * The Julian starting day number. 990 * <P>Type: INTEGER (int)</P> 991 */ 992 public static final String STARTDAY = "startDay"; 993 public static final String ENDDAY = "endDay"; 994 995 } 996 997 public static final class EventDays implements EventDaysColumns { 998 public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + 999 "/instances/groupbyday"); 1000 1001 public static final String[] PROJECTION = { STARTDAY, ENDDAY }; 1002 public static final String SELECTION = "selected=1"; 1003 1004 /** 1005 * Retrieves the days with events for the Julian days starting at "startDay" 1006 * for "numDays". 1007 * 1008 * @param cr the ContentResolver 1009 * @param startDay the first Julian day in the range 1010 * @param numDays the number of days to load (must be at least 1) 1011 * @return a database cursor 1012 */ 1013 public static final Cursor query(ContentResolver cr, int startDay, int numDays) { 1014 if (numDays < 1) { 1015 return null; 1016 } 1017 int endDay = startDay + numDays - 1; 1018 Uri.Builder builder = CONTENT_URI.buildUpon(); 1019 ContentUris.appendId(builder, startDay); 1020 ContentUris.appendId(builder, endDay); 1021 return cr.query(builder.build(), PROJECTION, SELECTION, 1022 null /* selection args */, STARTDAY); 1023 } 1024 } 1025 1026 public interface RemindersColumns { 1027 /** 1028 * The event the reminder belongs to 1029 * <P>Type: INTEGER (foreign key to the Events table)</P> 1030 */ 1031 public static final String EVENT_ID = "event_id"; 1032 1033 /** 1034 * The minutes prior to the event that the alarm should ring. -1 1035 * specifies that we should use the default value for the system. 1036 * <P>Type: INTEGER</P> 1037 */ 1038 public static final String MINUTES = "minutes"; 1039 1040 public static final int MINUTES_DEFAULT = -1; 1041 1042 /** 1043 * The alarm method, as set on the server. DEFAULT, ALERT, EMAIL, and 1044 * SMS are possible values; the device will only process DEFAULT and 1045 * ALERT reminders (the other types are simply stored so we can send the 1046 * same reminder info back to the server when we make changes). 1047 */ 1048 public static final String METHOD = "method"; 1049 1050 public static final int METHOD_DEFAULT = 0; 1051 public static final int METHOD_ALERT = 1; 1052 public static final int METHOD_EMAIL = 2; 1053 public static final int METHOD_SMS = 3; 1054 } 1055 1056 public static final class Reminders implements BaseColumns, RemindersColumns, EventsColumns { 1057 public static final String TABLE_NAME = "Reminders"; 1058 public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/reminders"); 1059 } 1060 1061 public interface CalendarAlertsColumns { 1062 /** 1063 * The event that the alert belongs to 1064 * <P>Type: INTEGER (foreign key to the Events table)</P> 1065 */ 1066 public static final String EVENT_ID = "event_id"; 1067 1068 /** 1069 * The start time of the event, in UTC 1070 * <P>Type: INTEGER (long; millis since epoch)</P> 1071 */ 1072 public static final String BEGIN = "begin"; 1073 1074 /** 1075 * The end time of the event, in UTC 1076 * <P>Type: INTEGER (long; millis since epoch)</P> 1077 */ 1078 public static final String END = "end"; 1079 1080 /** 1081 * The alarm time of the event, in UTC 1082 * <P>Type: INTEGER (long; millis since epoch)</P> 1083 */ 1084 public static final String ALARM_TIME = "alarmTime"; 1085 1086 /** 1087 * The creation time of this database entry, in UTC. 1088 * (Useful for debugging missed reminders.) 1089 * <P>Type: INTEGER (long; millis since epoch)</P> 1090 */ 1091 public static final String CREATION_TIME = "creationTime"; 1092 1093 /** 1094 * The time that the alarm broadcast was received by the Calendar app, 1095 * in UTC. (Useful for debugging missed reminders.) 1096 * <P>Type: INTEGER (long; millis since epoch)</P> 1097 */ 1098 public static final String RECEIVED_TIME = "receivedTime"; 1099 1100 /** 1101 * The time that the notification was created by the Calendar app, 1102 * in UTC. (Useful for debugging missed reminders.) 1103 * <P>Type: INTEGER (long; millis since epoch)</P> 1104 */ 1105 public static final String NOTIFY_TIME = "notifyTime"; 1106 1107 /** 1108 * The state of this alert. It starts out as SCHEDULED, then when 1109 * the alarm goes off, it changes to FIRED, and then when the user 1110 * dismisses the alarm it changes to DISMISSED. 1111 * <P>Type: INTEGER</P> 1112 */ 1113 public static final String STATE = "state"; 1114 1115 public static final int SCHEDULED = 0; 1116 public static final int FIRED = 1; 1117 public static final int DISMISSED = 2; 1118 1119 /** 1120 * The number of minutes that this alarm precedes the start time 1121 * <P>Type: INTEGER </P> 1122 */ 1123 public static final String MINUTES = "minutes"; 1124 1125 /** 1126 * The default sort order for this table 1127 */ 1128 public static final String DEFAULT_SORT_ORDER = "begin ASC,title ASC"; 1129 } 1130 1131 public static final class CalendarAlerts implements BaseColumns, 1132 CalendarAlertsColumns, EventsColumns, CalendarsColumns { 1133 1134 public static final String TABLE_NAME = "CalendarAlerts"; 1135 public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + 1136 "/calendar_alerts"); 1137 1138 private static final String WHERE_ALARM_EXISTS = EVENT_ID + "=?" 1139 + " AND " + BEGIN + "=?" 1140 + " AND " + ALARM_TIME + "=?"; 1141 1142 private static final String WHERE_FINDNEXTALARMTIME = ALARM_TIME + ">=?"; 1143 private static final String SORT_ORDER_ALARMTIME_ASC = ALARM_TIME + " ASC"; 1144 1145 private static final String WHERE_RESCHEDULE_MISSED_ALARMS = STATE + "=" + SCHEDULED 1146 + " AND " + ALARM_TIME + "<?" 1147 + " AND " + ALARM_TIME + ">?" 1148 + " AND " + END + ">=?"; 1149 1150 /** 1151 * This URI is for grouping the query results by event_id and begin 1152 * time. This will return one result per instance of an event. So 1153 * events with multiple alarms will appear just once, but multiple 1154 * instances of a repeating event will show up multiple times. 1155 */ 1156 public static final Uri CONTENT_URI_BY_INSTANCE = 1157 Uri.parse("content://" + AUTHORITY + "/calendar_alerts/by_instance"); 1158 1159 private static final boolean DEBUG = true; 1160 1161 public static final Uri insert(ContentResolver cr, long eventId, 1162 long begin, long end, long alarmTime, int minutes) { 1163 ContentValues values = new ContentValues(); 1164 values.put(CalendarAlerts.EVENT_ID, eventId); 1165 values.put(CalendarAlerts.BEGIN, begin); 1166 values.put(CalendarAlerts.END, end); 1167 values.put(CalendarAlerts.ALARM_TIME, alarmTime); 1168 long currentTime = System.currentTimeMillis(); 1169 values.put(CalendarAlerts.CREATION_TIME, currentTime); 1170 values.put(CalendarAlerts.RECEIVED_TIME, 0); 1171 values.put(CalendarAlerts.NOTIFY_TIME, 0); 1172 values.put(CalendarAlerts.STATE, SCHEDULED); 1173 values.put(CalendarAlerts.MINUTES, minutes); 1174 return cr.insert(CONTENT_URI, values); 1175 } 1176 1177 public static final Cursor query(ContentResolver cr, String[] projection, 1178 String selection, String[] selectionArgs, String sortOrder) { 1179 return cr.query(CONTENT_URI, projection, selection, selectionArgs, 1180 sortOrder); 1181 } 1182 1183 /** 1184 * Finds the next alarm after (or equal to) the given time and returns 1185 * the time of that alarm or -1 if no such alarm exists. 1186 * 1187 * @param cr the ContentResolver 1188 * @param millis the time in UTC milliseconds 1189 * @return the next alarm time greater than or equal to "millis", or -1 1190 * if no such alarm exists. 1191 */ 1192 public static final long findNextAlarmTime(ContentResolver cr, long millis) { 1193 String selection = ALARM_TIME + ">=" + millis; 1194 // TODO: construct an explicit SQL query so that we can add 1195 // "LIMIT 1" to the end and get just one result. 1196 String[] projection = new String[] { ALARM_TIME }; 1197 Cursor cursor = query(cr, projection, 1198 WHERE_FINDNEXTALARMTIME, 1199 new String[] { 1200 Long.toString(millis) 1201 }, 1202 SORT_ORDER_ALARMTIME_ASC); 1203 long alarmTime = -1; 1204 try { 1205 if (cursor != null && cursor.moveToFirst()) { 1206 alarmTime = cursor.getLong(0); 1207 } 1208 } finally { 1209 if (cursor != null) { 1210 cursor.close(); 1211 } 1212 } 1213 return alarmTime; 1214 } 1215 1216 /** 1217 * Searches the CalendarAlerts table for alarms that should have fired 1218 * but have not and then reschedules them. This method can be called 1219 * at boot time to restore alarms that may have been lost due to a 1220 * phone reboot. 1221 * 1222 * @param cr the ContentResolver 1223 * @param context the Context 1224 * @param manager the AlarmManager 1225 */ 1226 public static final void rescheduleMissedAlarms(ContentResolver cr, 1227 Context context, AlarmManager manager) { 1228 // Get all the alerts that have been scheduled but have not fired 1229 // and should have fired by now and are not too old. 1230 long now = System.currentTimeMillis(); 1231 long ancient = now - DateUtils.DAY_IN_MILLIS; 1232 String[] projection = new String[] { 1233 ALARM_TIME, 1234 }; 1235 1236 // TODO: construct an explicit SQL query so that we can add 1237 // "GROUPBY" instead of doing a sort and de-dup 1238 Cursor cursor = CalendarAlerts.query(cr, 1239 projection, 1240 WHERE_RESCHEDULE_MISSED_ALARMS, 1241 new String[] { 1242 Long.toString(now), 1243 Long.toString(ancient), 1244 Long.toString(now) 1245 }, 1246 SORT_ORDER_ALARMTIME_ASC); 1247 if (cursor == null) { 1248 return; 1249 } 1250 1251 if (DEBUG) { 1252 Log.d(TAG, "missed alarms found: " + cursor.getCount()); 1253 } 1254 1255 try { 1256 long alarmTime = -1; 1257 1258 while (cursor.moveToNext()) { 1259 long newAlarmTime = cursor.getLong(0); 1260 if (alarmTime != newAlarmTime) { 1261 if (DEBUG) { 1262 Log.w(TAG, "rescheduling missed alarm. alarmTime: " + newAlarmTime); 1263 } 1264 scheduleAlarm(context, manager, newAlarmTime); 1265 alarmTime = newAlarmTime; 1266 } 1267 } 1268 } finally { 1269 cursor.close(); 1270 } 1271 } 1272 1273 public static void scheduleAlarm(Context context, AlarmManager manager, long alarmTime) { 1274 if (DEBUG) { 1275 Time time = new Time(); 1276 time.set(alarmTime); 1277 String schedTime = time.format(" %a, %b %d, %Y %I:%M%P"); 1278 Log.d(TAG, "Schedule alarm at " + alarmTime + " " + schedTime); 1279 } 1280 1281 if (manager == null) { 1282 manager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); 1283 } 1284 1285 Intent intent = new Intent(EVENT_REMINDER_ACTION); 1286 intent.setData(ContentUris.withAppendedId(Calendar.CONTENT_URI, alarmTime)); 1287 intent.putExtra(ALARM_TIME, alarmTime); 1288 PendingIntent pi = PendingIntent.getBroadcast(context, 0, intent, 0); 1289 manager.set(AlarmManager.RTC_WAKEUP, alarmTime, pi); 1290 } 1291 1292 /** 1293 * Searches for an entry in the CalendarAlerts table that matches 1294 * the given event id, begin time and alarm time. If one is found 1295 * then this alarm already exists and this method returns true. 1296 * 1297 * @param cr the ContentResolver 1298 * @param eventId the event id to match 1299 * @param begin the start time of the event in UTC millis 1300 * @param alarmTime the alarm time of the event in UTC millis 1301 * @return true if there is already an alarm for the given event 1302 * with the same start time and alarm time. 1303 */ 1304 public static final boolean alarmExists(ContentResolver cr, long eventId, 1305 long begin, long alarmTime) { 1306 // TODO: construct an explicit SQL query so that we can add 1307 // "LIMIT 1" to the end and get just one result. 1308 String[] projection = new String[] { ALARM_TIME }; 1309 Cursor cursor = query(cr, 1310 projection, 1311 WHERE_ALARM_EXISTS, 1312 new String[] { 1313 Long.toString(eventId), 1314 Long.toString(begin), 1315 Long.toString(alarmTime) 1316 }, 1317 null); 1318 boolean found = false; 1319 try { 1320 if (cursor != null && cursor.getCount() > 0) { 1321 found = true; 1322 } 1323 } finally { 1324 if (cursor != null) { 1325 cursor.close(); 1326 } 1327 } 1328 return found; 1329 } 1330 } 1331 1332 public interface ExtendedPropertiesColumns { 1333 /** 1334 * The event the extended property belongs to 1335 * <P>Type: INTEGER (foreign key to the Events table)</P> 1336 */ 1337 public static final String EVENT_ID = "event_id"; 1338 1339 /** 1340 * The name of the extended property. This is a uri of the form 1341 * {scheme}#{local-name} convention. 1342 * <P>Type: TEXT</P> 1343 */ 1344 public static final String NAME = "name"; 1345 1346 /** 1347 * The value of the extended property. 1348 * <P>Type: TEXT</P> 1349 */ 1350 public static final String VALUE = "value"; 1351 } 1352 1353 public static final class ExtendedProperties implements BaseColumns, 1354 ExtendedPropertiesColumns, EventsColumns { 1355 public static final Uri CONTENT_URI = 1356 Uri.parse("content://" + AUTHORITY + "/extendedproperties"); 1357 1358 // TODO: fill out this class when we actually start utilizing extendedproperties 1359 // in the calendar application. 1360 } 1361 1362 /** 1363 * A table provided for sync adapters to use for storing private sync state data. 1364 * 1365 * @see SyncStateContract 1366 */ 1367 public static final class SyncState implements SyncStateContract.Columns { 1368 /** 1369 * This utility class cannot be instantiated 1370 */ 1371 private SyncState() {} 1372 1373 public static final String CONTENT_DIRECTORY = 1374 SyncStateContract.Constants.CONTENT_DIRECTORY; 1375 1376 /** 1377 * The content:// style URI for this table 1378 */ 1379 public static final Uri CONTENT_URI = 1380 Uri.withAppendedPath(Calendar.CONTENT_URI, CONTENT_DIRECTORY); 1381 } 1382 } 1383
