| /* |
| ** |
| ** Copyright 2006, The Android Open Source Project |
| ** |
| ** Licensed under the Apache License, Version 2.0 (the "License"); |
| ** you may not use this file except in compliance with the License. |
| ** You may obtain a copy of the License at |
| ** |
| ** http://www.apache.org/licenses/LICENSE-2.0 |
| ** |
| ** Unless required by applicable law or agreed to in writing, software |
| ** distributed under the License is distributed on an "AS IS" BASIS, |
| ** See the License for the specific language governing permissions and |
| ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| ** limitations under the License. |
| */ |
| |
| package com.android.providers.calendar; |
| |
| import android.accounts.Account; |
| import android.accounts.AccountManager; |
| import android.accounts.OnAccountsUpdateListener; |
| import android.app.AlarmManager; |
| import android.app.PendingIntent; |
| import android.content.BroadcastReceiver; |
| import android.content.ContentResolver; |
| import android.content.ContentUris; |
| import android.content.ContentValues; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.UriMatcher; |
| import android.database.Cursor; |
| import android.database.DatabaseUtils; |
| import android.database.SQLException; |
| import android.database.sqlite.SQLiteDatabase; |
| import android.database.sqlite.SQLiteQueryBuilder; |
| import android.net.Uri; |
| import android.os.Debug; |
| import android.os.Process; |
| import android.pim.EventRecurrence; |
| import android.pim.RecurrenceSet; |
| import android.provider.BaseColumns; |
| import android.provider.Calendar; |
| import android.provider.Calendar.Attendees; |
| import android.provider.Calendar.CalendarAlerts; |
| import android.provider.Calendar.Calendars; |
| import android.provider.Calendar.Events; |
| import android.provider.Calendar.Instances; |
| import android.provider.Calendar.Reminders; |
| import android.text.TextUtils; |
| import android.text.format.DateUtils; |
| import android.text.format.Time; |
| import android.util.Config; |
| import android.util.Log; |
| import android.util.TimeFormatException; |
| import android.util.TimeUtils; |
| import com.google.common.annotations.VisibleForTesting; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Set; |
| import java.util.TimeZone; |
| |
| /** |
| * Calendar content provider. The contract between this provider and applications |
| * is defined in {@link android.provider.Calendar}. |
| */ |
| public class CalendarProvider2 extends SQLiteContentProvider implements OnAccountsUpdateListener { |
| |
| private static final String TAG = "CalendarProvider2"; |
| |
| private static final boolean PROFILE = false; |
| private static final boolean MULTIPLE_ATTENDEES_PER_EVENT = true; |
| |
| private static final String INVALID_CALENDARALERTS_SELECTOR = |
| "_id IN (SELECT ca._id FROM CalendarAlerts AS ca" |
| + " LEFT OUTER JOIN Instances USING (event_id, begin, end)" |
| + " LEFT OUTER JOIN Reminders AS r ON" |
| + " (ca.event_id=r.event_id AND ca.minutes=r.minutes)" |
| + " WHERE Instances.begin ISNULL OR ca.alarmTime<?" |
| + " OR (r.minutes ISNULL AND ca.minutes<>0))"; |
| |
| private static final String[] ID_ONLY_PROJECTION = |
| new String[] {Events._ID}; |
| |
| private static final String[] EVENTS_PROJECTION = new String[] { |
| Events._SYNC_ID, |
| Events.RRULE, |
| Events.RDATE, |
| Events.ORIGINAL_EVENT, |
| }; |
| private static final int EVENTS_SYNC_ID_INDEX = 0; |
| private static final int EVENTS_RRULE_INDEX = 1; |
| private static final int EVENTS_RDATE_INDEX = 2; |
| private static final int EVENTS_ORIGINAL_EVENT_INDEX = 3; |
| |
| private static final String[] ID_PROJECTION = new String[] { |
| Attendees._ID, |
| Attendees.EVENT_ID, // Assume these are the same for each table |
| }; |
| private static final int ID_INDEX = 0; |
| private static final int EVENT_ID_INDEX = 1; |
| |
| /** |
| * Projection to query for correcting times in allDay events. |
| */ |
| private static final String[] ALLDAY_TIME_PROJECTION = new String[] { |
| Events._ID, |
| Events.DTSTART, |
| Events.DTEND, |
| Events.DURATION |
| }; |
| private static final int ALLDAY_ID_INDEX = 0; |
| private static final int ALLDAY_DTSTART_INDEX = 1; |
| private static final int ALLDAY_DTEND_INDEX = 2; |
| private static final int ALLDAY_DURATION_INDEX = 3; |
| |
| private static final int DAY_IN_SECONDS = 24 * 60 * 60; |
| |
| /** |
| * The cached copy of the CalendarMetaData database table. |
| * Make this "package private" instead of "private" so that test code |
| * can access it. |
| */ |
| MetaData mMetaData; |
| CalendarCache mCalendarCache; |
| |
| private CalendarDatabaseHelper mDbHelper; |
| |
| private static final Uri SYNCSTATE_CONTENT_URI = |
| Uri.parse("content://syncstate/state"); |
| // |
| // SCHEDULE_ALARM_URI runs scheduleNextAlarm(false) |
| // SCHEDULE_ALARM_REMOVE_URI runs scheduleNextAlarm(true) |
| // TODO: use a service to schedule alarms rather than private URI |
| /* package */ static final String SCHEDULE_ALARM_PATH = "schedule_alarms"; |
| /* package */ static final String SCHEDULE_ALARM_REMOVE_PATH = "schedule_alarms_remove"; |
| /* package */ static final Uri SCHEDULE_ALARM_URI = |
| Uri.withAppendedPath(Calendar.CONTENT_URI, SCHEDULE_ALARM_PATH); |
| /* package */ static final Uri SCHEDULE_ALARM_REMOVE_URI = |
| Uri.withAppendedPath(Calendar.CONTENT_URI, SCHEDULE_ALARM_REMOVE_PATH); |
| |
| // To determine if a recurrence exception originally overlapped the |
| // window, we need to assume a maximum duration, since we only know |
| // the original start time. |
| private static final int MAX_ASSUMED_DURATION = 7*24*60*60*1000; |
| |
| public static final class TimeRange { |
| public long begin; |
| public long end; |
| public boolean allDay; |
| } |
| |
| public static final class InstancesRange { |
| public long begin; |
| public long end; |
| |
| public InstancesRange(long begin, long end) { |
| this.begin = begin; |
| this.end = end; |
| } |
| } |
| |
| public static final class InstancesList |
| extends ArrayList<ContentValues> { |
| } |
| |
| public static final class EventInstancesMap |
| extends HashMap<String, InstancesList> { |
| public void add(String syncIdKey, ContentValues values) { |
| InstancesList instances = get(syncIdKey); |
| if (instances == null) { |
| instances = new InstancesList(); |
| put(syncIdKey, instances); |
| } |
| instances.add(values); |
| } |
| } |
| |
| // A thread that runs in the background and schedules the next |
| // calendar event alarm. |
| private class AlarmScheduler extends Thread { |
| boolean mRemoveAlarms; |
| |
| public AlarmScheduler(boolean removeAlarms) { |
| mRemoveAlarms = removeAlarms; |
| } |
| |
| @Override |
| public void run() { |
| try { |
| Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); |
| runScheduleNextAlarm(mRemoveAlarms); |
| } catch (SQLException e) { |
| Log.e(TAG, "runScheduleNextAlarm() failed", e); |
| } |
| } |
| } |
| |
| /** |
| * We search backward in time for event reminders that we may have missed |
| * and schedule them if the event has not yet expired. The amount in |
| * the past to search backwards is controlled by this constant. It |
| * should be at least a few minutes to allow for an event that was |
| * recently created on the web to make its way to the phone. Two hours |
| * might seem like overkill, but it is useful in the case where the user |
| * just crossed into a new timezone and might have just missed an alarm. |
| */ |
| private static final long SCHEDULE_ALARM_SLACK = 2 * DateUtils.HOUR_IN_MILLIS; |
| |
| /** |
| * Alarms older than this threshold will be deleted from the CalendarAlerts |
| * table. This should be at least a day because if the timezone is |
| * wrong and the user corrects it we might delete good alarms that |
| * appear to be old because the device time was incorrectly in the future. |
| * This threshold must also be larger than SCHEDULE_ALARM_SLACK. We add |
| * the SCHEDULE_ALARM_SLACK to ensure this. |
| * |
| * To make it easier to find and debug problems with missed reminders, |
| * set this to something greater than a day. |
| */ |
| private static final long CLEAR_OLD_ALARM_THRESHOLD = |
| 7 * DateUtils.DAY_IN_MILLIS + SCHEDULE_ALARM_SLACK; |
| |
| // A lock for synchronizing access to fields that are shared |
| // with the AlarmScheduler thread. |
| private Object mAlarmLock = new Object(); |
| |
| // Make sure we load at least two months worth of data. |
| // Client apps can load more data in a background thread. |
| private static final long MINIMUM_EXPANSION_SPAN = |
| 2L * 31 * 24 * 60 * 60 * 1000; |
| |
| private static final String[] sCalendarsIdProjection = new String[] { Calendars._ID }; |
| private static final int CALENDARS_INDEX_ID = 0; |
| |
| // Allocate the string constant once here instead of on the heap |
| private static final String CALENDAR_ID_SELECTION = "calendar_id=?"; |
| |
| private static final String[] sInstancesProjection = |
| new String[] { Instances.START_DAY, Instances.END_DAY, |
| Instances.START_MINUTE, Instances.END_MINUTE, Instances.ALL_DAY }; |
| |
| private static final int INSTANCES_INDEX_START_DAY = 0; |
| private static final int INSTANCES_INDEX_END_DAY = 1; |
| private static final int INSTANCES_INDEX_START_MINUTE = 2; |
| private static final int INSTANCES_INDEX_END_MINUTE = 3; |
| private static final int INSTANCES_INDEX_ALL_DAY = 4; |
| |
| private AlarmManager mAlarmManager; |
| |
| private CalendarAppWidgetProvider mAppWidgetProvider = CalendarAppWidgetProvider.getInstance(); |
| |
| /** |
| * Listens for timezone changes and disk-no-longer-full events |
| */ |
| private BroadcastReceiver mIntentReceiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| String action = intent.getAction(); |
| if (Log.isLoggable(TAG, Log.DEBUG)) { |
| Log.d(TAG, "onReceive() " + action); |
| } |
| if (Intent.ACTION_TIMEZONE_CHANGED.equals(action)) { |
| updateTimezoneDependentFields(); |
| scheduleNextAlarm(false /* do not remove alarms */); |
| } else if (Intent.ACTION_DEVICE_STORAGE_OK.equals(action)) { |
| // Try to clean up if things were screwy due to a full disk |
| updateTimezoneDependentFields(); |
| scheduleNextAlarm(false /* do not remove alarms */); |
| } else if (Intent.ACTION_TIME_CHANGED.equals(action)) { |
| scheduleNextAlarm(false /* do not remove alarms */); |
| } |
| } |
| }; |
| |
| /** |
| * Columns from the EventsRawTimes table |
| */ |
| public interface EventsRawTimesColumns |
| { |
| /** |
| * The corresponding event id |
| * <P>Type: INTEGER (long)</P> |
| */ |
| public static final String EVENT_ID = "event_id"; |
| |
| /** |
| * The RFC2445 compliant time the event starts |
| * <P>Type: TEXT</P> |
| */ |
| public static final String DTSTART_2445 = "dtstart2445"; |
| |
| /** |
| * The RFC2445 compliant time the event ends |
| * <P>Type: TEXT</P> |
| */ |
| public static final String DTEND_2445 = "dtend2445"; |
| |
| /** |
| * The RFC2445 compliant original instance time of the recurring event for which this |
| * event is an exception. |
| * <P>Type: TEXT</P> |
| */ |
| public static final String ORIGINAL_INSTANCE_TIME_2445 = "originalInstanceTime2445"; |
| |
| /** |
| * The RFC2445 compliant last date this event repeats on, or NULL if it never ends |
| * <P>Type: TEXT</P> |
| */ |
| public static final String LAST_DATE_2445 = "lastDate2445"; |
| } |
| |
| protected void verifyAccounts() { |
| AccountManager.get(getContext()).addOnAccountsUpdatedListener(this, null, false); |
| onAccountsUpdated(AccountManager.get(getContext()).getAccounts()); |
| } |
| |
| /* Visible for testing */ |
| @Override |
| protected CalendarDatabaseHelper getDatabaseHelper(final Context context) { |
| return CalendarDatabaseHelper.getInstance(context); |
| } |
| |
| @Override |
| public boolean onCreate() { |
| super.onCreate(); |
| mDbHelper = (CalendarDatabaseHelper)getDatabaseHelper(); |
| |
| verifyAccounts(); |
| |
| // Register for Intent broadcasts |
| IntentFilter filter = new IntentFilter(); |
| |
| filter.addAction(Intent.ACTION_TIMEZONE_CHANGED); |
| filter.addAction(Intent.ACTION_DEVICE_STORAGE_OK); |
| filter.addAction(Intent.ACTION_TIME_CHANGED); |
| final Context c = getContext(); |
| |
| // We don't ever unregister this because this thread always wants |
| // to receive notifications, even in the background. And if this |
| // thread is killed then the whole process will be killed and the |
| // memory resources will be reclaimed. |
| c.registerReceiver(mIntentReceiver, filter); |
| |
| mMetaData = new MetaData(mDbHelper); |
| mCalendarCache = new CalendarCache(mDbHelper); |
| |
| updateTimezoneDependentFields(); |
| |
| return true; |
| } |
| |
| /** |
| * This creates a background thread to check the timezone and update |
| * the timezone dependent fields in the Instances table if the timezone |
| * has changes. |
| */ |
| protected void updateTimezoneDependentFields() { |
| Thread thread = new TimezoneCheckerThread(); |
| thread.start(); |
| } |
| |
| private class TimezoneCheckerThread extends Thread { |
| @Override |
| public void run() { |
| Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); |
| try { |
| doUpdateTimezoneDependentFields(); |
| } catch (SQLException e) { |
| Log.e(TAG, "doUpdateTimezoneDependentFields() failed", e); |
| try { |
| // Clear at least the in-memory data (and if possible the |
| // database fields) to force a re-computation of Instances. |
| mMetaData.clearInstanceRange(); |
| } catch (SQLException e2) { |
| Log.e(TAG, "clearInstanceRange() also failed: " + e2); |
| } |
| } |
| } |
| } |
| |
| /** |
| * This method runs in a background thread. If the timezone has changed |
| * then the Instances table will be regenerated. |
| */ |
| private void doUpdateTimezoneDependentFields() { |
| if (! isSameTimezoneDatabaseVersion()) { |
| doProcessEventRawTimes(null /* default current timezone*/, |
| TimeUtils.getTimeZoneDatabaseVersion()); |
| } |
| if (isSameTimezone()) { |
| // Even if the timezone hasn't changed, check for missed alarms. |
| // This code executes when the CalendarProvider2 is created and |
| // helps to catch missed alarms when the Calendar process is |
| // killed (because of low-memory conditions) and then restarted. |
| rescheduleMissedAlarms(); |
| } |
| } |
| |
| protected void doProcessEventRawTimes(String timezone, String timeZoneDatabaseVersion) { |
| mDb = mDbHelper.getWritableDatabase(); |
| if (mDb == null) { |
| if (Log.isLoggable(TAG, Log.VERBOSE)) { |
| Log.v(TAG, "Cannot update Events table from EventsRawTimes table"); |
| } |
| return; |
| } |
| mDb.beginTransaction(); |
| try { |
| updateEventsStartEndFromEventRawTimesLocked(timezone); |
| updateTimezoneDatabaseVersion(timeZoneDatabaseVersion); |
| regenerateInstancesTable(); |
| mDb.setTransactionSuccessful(); |
| } finally { |
| mDb.endTransaction(); |
| } |
| } |
| |
| private void updateEventsStartEndFromEventRawTimesLocked(String timezone) { |
| Cursor cursor = mDb.query("EventsRawTimes", |
| new String[] { EventsRawTimesColumns.EVENT_ID, |
| EventsRawTimesColumns.DTSTART_2445, |
| EventsRawTimesColumns.DTEND_2445} /* projection */, |
| null /* selection */, |
| null /* selection args */, |
| null /* group by */, |
| null /* having */, |
| null /* order by */ |
| ); |
| try { |
| while (cursor.moveToNext()) { |
| long eventId = cursor.getLong(0); |
| String dtStart2445 = cursor.getString(1); |
| String dtEnd2445 = cursor.getString(2); |
| updateEventsStartEndLocked(eventId, |
| timezone, |
| dtStart2445, |
| dtEnd2445); |
| } |
| } finally { |
| cursor.close(); |
| cursor = null; |
| } |
| } |
| |
| private long get2445ToMillis(String timezone, String dt2445) { |
| if (null == dt2445) { |
| Log.v( TAG, "Cannot parse null RFC2445 date"); |
| return 0; |
| } |
| Time time = (timezone != null) ? new Time(timezone) : new Time(); |
| try { |
| time.parse(dt2445); |
| } catch (TimeFormatException e) { |
| Log.v( TAG, "Cannot parse RFC2445 date " + dt2445); |
| return 0; |
| } |
| return time.toMillis(true /* ignore DST */); |
| } |
| |
| private void updateEventsStartEndLocked(long eventId, |
| String timezone, String dtStart2445, String dtEnd2445) { |
| |
| ContentValues values = new ContentValues(); |
| values.put("dtstart", get2445ToMillis(timezone, dtStart2445)); |
| values.put("dtend", get2445ToMillis(timezone, dtEnd2445)); |
| |
| int result = mDb.update("Events", values, "_id=?", |
| new String[] {String.valueOf(eventId)}); |
| if (0 == result) { |
| if (Log.isLoggable(TAG, Log.VERBOSE)) { |
| Log.v(TAG, "Could not update Events table with values " + values); |
| } |
| } |
| } |
| |
| private void updateTimezoneDatabaseVersion(String timeZoneDatabaseVersion) { |
| try { |
| mCalendarCache.writeTimezoneDatabaseVersion(timeZoneDatabaseVersion); |
| } catch (CalendarCache.CacheException e) { |
| Log.e(TAG, "Could not write timezone database version in the cache"); |
| } |
| } |
| |
| /** |
| * Check if we are in the same time zone |
| */ |
| private boolean isSameTimezone() { |
| MetaData.Fields fields = mMetaData.getFields(); |
| String localTimezone = TimeZone.getDefault().getID(); |
| return TextUtils.equals(fields.timezone, localTimezone); |
| } |
| |
| /** |
| * Check if the time zone database version is the same as the cached one |
| */ |
| protected boolean isSameTimezoneDatabaseVersion() { |
| String timezoneDatabaseVersion = null; |
| try { |
| timezoneDatabaseVersion = mCalendarCache.readTimezoneDatabaseVersion(); |
| } catch (CalendarCache.CacheException e) { |
| Log.e(TAG, "Could not read timezone database version from the cache"); |
| return false; |
| } |
| return TextUtils.equals(timezoneDatabaseVersion, TimeUtils.getTimeZoneDatabaseVersion()); |
| } |
| |
| @VisibleForTesting |
| protected String getTimezoneDatabaseVersion() { |
| String timezoneDatabaseVersion = null; |
| try { |
| timezoneDatabaseVersion = mCalendarCache.readTimezoneDatabaseVersion(); |
| } catch (CalendarCache.CacheException e) { |
| Log.e(TAG, "Could not read timezone database version from the cache"); |
| return ""; |
| } |
| Log.i(TAG, "timezoneDatabaseVersion = " + timezoneDatabaseVersion); |
| return timezoneDatabaseVersion; |
| } |
| |
| private void regenerateInstancesTable() { |
| // The database timezone is different from the current timezone. |
| // Regenerate the Instances table for this month. Include events |
| // starting at the beginning of this month. |
| long now = System.currentTimeMillis(); |
| Time time = new Time(); |
| time.set(now); |
| time.monthDay = 1; |
| time.hour = 0; |
| time.minute = 0; |
| time.second = 0; |
| |
| long begin = time.normalize(true); |
| long end = begin + MINIMUM_EXPANSION_SPAN; |
| |
| Cursor cursor = null; |
| try { |
| cursor = handleInstanceQuery(new SQLiteQueryBuilder(), |
| begin, end, |
| new String[] { Instances._ID }, |
| null /* selection */, null /* sort */, |
| false /* searchByDayInsteadOfMillis */, |
| true /* force Instances deletion and expansion */); |
| } finally { |
| if (cursor != null) { |
| cursor.close(); |
| } |
| } |
| |
| rescheduleMissedAlarms(); |
| } |
| |
| private void rescheduleMissedAlarms() { |
| AlarmManager manager = getAlarmManager(); |
| if (manager != null) { |
| Context context = getContext(); |
| ContentResolver cr = context.getContentResolver(); |
| CalendarAlerts.rescheduleMissedAlarms(cr, context, manager); |
| } |
| } |
| |
| /** |
| * Appends comma separated ids. |
| * @param ids Should not be empty |
| */ |
| private void appendIds(StringBuilder sb, HashSet<Long> ids) { |
| for (long id : ids) { |
| sb.append(id).append(','); |
| } |
| |
| sb.setLength(sb.length() - 1); // Yank the last comma |
| } |
| |
| @Override |
| protected void notifyChange() { |
| // Note that semantics are changed: notification is for CONTENT_URI, not the specific |
| // Uri that was modified. |
| getContext().getContentResolver().notifyChange(Calendar.CONTENT_URI, null, |
| true /* syncToNetwork */); |
| } |
| |
| @Override |
| public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, |
| String sortOrder) { |
| if (Log.isLoggable(TAG, Log.VERBOSE)) { |
| Log.v(TAG, "query uri - " + uri); |
| } |
| |
| final SQLiteDatabase db = mDbHelper.getReadableDatabase(); |
| |
| SQLiteQueryBuilder qb = new SQLiteQueryBuilder(); |
| String groupBy = null; |
| String limit = null; // Not currently implemented |
| |
| final int match = sUriMatcher.match(uri); |
| switch (match) { |
| case SYNCSTATE: |
| return mDbHelper.getSyncState().query(db, projection, selection, selectionArgs, |
| sortOrder); |
| |
| case EVENTS: |
| qb.setTables(CalendarDatabaseHelper.Views.EVENTS); |
| qb.setProjectionMap(sEventsProjectionMap); |
| appendAccountFromParameter(qb, uri); |
| break; |
| case EVENTS_ID: |
| qb.setTables(CalendarDatabaseHelper.Views.EVENTS); |
| qb.setProjectionMap(sEventsProjectionMap); |
| selectionArgs = insertSelectionArg(selectionArgs, uri.getPathSegments().get(1)); |
| qb.appendWhere("_id=?"); |
| break; |
| |
| case EVENT_ENTITIES: |
| qb.setTables(CalendarDatabaseHelper.Views.EVENTS); |
| qb.setProjectionMap(sEventEntitiesProjectionMap); |
| appendAccountFromParameter(qb, uri); |
| break; |
| case EVENT_ENTITIES_ID: |
| qb.setTables(CalendarDatabaseHelper.Views.EVENTS); |
| qb.setProjectionMap(sEventEntitiesProjectionMap); |
| selectionArgs = insertSelectionArg(selectionArgs, uri.getPathSegments().get(1)); |
| qb.appendWhere("_id=?"); |
| break; |
| |
| case CALENDARS: |
| qb.setTables("Calendars"); |
| appendAccountFromParameter(qb, uri); |
| break; |
| case CALENDARS_ID: |
| qb.setTables("Calendars"); |
| selectionArgs = insertSelectionArg(selectionArgs, uri.getPathSegments().get(1)); |
| qb.appendWhere("_id=?"); |
| break; |
| case INSTANCES: |
| case INSTANCES_BY_DAY: |
| long begin; |
| long end; |
| try { |
| begin = Long.valueOf(uri.getPathSegments().get(2)); |
| } catch (NumberFormatException nfe) { |
| throw new IllegalArgumentException("Cannot parse begin " |
| + uri.getPathSegments().get(2)); |
| } |
| try { |
| end = Long.valueOf(uri.getPathSegments().get(3)); |
| } catch (NumberFormatException nfe) { |
| throw new IllegalArgumentException("Cannot parse end " |
| + uri.getPathSegments().get(3)); |
| } |
| return handleInstanceQuery(qb, begin, end, projection, |
| selection, sortOrder, match == INSTANCES_BY_DAY, |
| false /* do not force Instances deletion and expansion */); |
| case EVENT_DAYS: |
| int startDay; |
| int endDay; |
| try { |
| startDay = Integer.valueOf(uri.getPathSegments().get(2)); |
| } catch (NumberFormatException nfe) { |
| throw new IllegalArgumentException("Cannot parse start day " |
| + uri.getPathSegments().get(2)); |
| } |
| try { |
| endDay = Integer.valueOf(uri.getPathSegments().get(3)); |
| } catch (NumberFormatException nfe) { |
| throw new IllegalArgumentException("Cannot parse end day " |
| + uri.getPathSegments().get(3)); |
| } |
| return handleEventDayQuery(qb, startDay, endDay, projection, selection); |
| case ATTENDEES: |
| qb.setTables("Attendees, Events"); |
| qb.setProjectionMap(sAttendeesProjectionMap); |
| qb.appendWhere("Events._id=Attendees.event_id"); |
| break; |
| case ATTENDEES_ID: |
| qb.setTables("Attendees, Events"); |
| qb.setProjectionMap(sAttendeesProjectionMap); |
| selectionArgs = insertSelectionArg(selectionArgs, uri.getPathSegments().get(1)); |
| qb.appendWhere("Attendees._id=? AND Events._id=Attendees.event_id"); |
| break; |
| case REMINDERS: |
| qb.setTables("Reminders"); |
| break; |
| case REMINDERS_ID: |
| qb.setTables("Reminders, Events"); |
| qb.setProjectionMap(sRemindersProjectionMap); |
| selectionArgs = insertSelectionArg(selectionArgs, uri.getLastPathSegment()); |
| qb.appendWhere("Reminders._id=? AND Events._id=Reminders.event_id"); |
| break; |
| case CALENDAR_ALERTS: |
| qb.setTables("CalendarAlerts, " + CalendarDatabaseHelper.Views.EVENTS); |
| qb.setProjectionMap(sCalendarAlertsProjectionMap); |
| qb.appendWhere(CalendarDatabaseHelper.Views.EVENTS + |
| "._id=CalendarAlerts.event_id"); |
| break; |
| case CALENDAR_ALERTS_BY_INSTANCE: |
| qb.setTables("CalendarAlerts, " + CalendarDatabaseHelper.Views.EVENTS); |
| qb.setProjectionMap(sCalendarAlertsProjectionMap); |
| qb.appendWhere(CalendarDatabaseHelper.Views.EVENTS + |
| "._id=CalendarAlerts.event_id"); |
| groupBy = CalendarAlerts.EVENT_ID + "," + CalendarAlerts.BEGIN; |
| break; |
| case CALENDAR_ALERTS_ID: |
| qb.setTables("CalendarAlerts, " + CalendarDatabaseHelper.Views.EVENTS); |
| qb.setProjectionMap(sCalendarAlertsProjectionMap); |
| selectionArgs = insertSelectionArg(selectionArgs, uri.getLastPathSegment()); |
| qb.appendWhere(CalendarDatabaseHelper.Views.EVENTS + |
| "._id=CalendarAlerts.event_id AND CalendarAlerts._id=?"); |
| break; |
| case EXTENDED_PROPERTIES: |
| qb.setTables("ExtendedProperties"); |
| break; |
| case EXTENDED_PROPERTIES_ID: |
| qb.setTables("ExtendedProperties"); |
| selectionArgs = insertSelectionArg(selectionArgs, uri.getPathSegments().get(1)); |
| qb.appendWhere("ExtendedProperties._id=?"); |
| break; |
| default: |
| throw new IllegalArgumentException("Unknown URL " + uri); |
| } |
| |
| // run the query |
| return query(db, qb, projection, selection, selectionArgs, sortOrder, groupBy, limit); |
| } |
| |
| private Cursor query(final SQLiteDatabase db, SQLiteQueryBuilder qb, String[] projection, |
| String selection, String[] selectionArgs, String sortOrder, String groupBy, |
| String limit) { |
| |
| if (Log.isLoggable(TAG, Log.VERBOSE)) { |
| Log.v(TAG, "query sql - projection: " + Arrays.toString(projection) + |
| " selection: " + selection + |
| " selectionArgs: " + Arrays.toString(selectionArgs) + |
| " sortOrder: " + sortOrder + |
| " groupBy: " + groupBy + |
| " limit: " + limit); |
| } |
| final Cursor c = qb.query(db, projection, selection, selectionArgs, groupBy, null, |
| sortOrder, limit); |
| if (c != null) { |
| // TODO: is this the right notification Uri? |
| c.setNotificationUri(getContext().getContentResolver(), Calendar.Events.CONTENT_URI); |
| } |
| return c; |
| } |
| |
| /* |
| * Fills the Instances table, if necessary, for the given range and then |
| * queries the Instances table. |
| * |
| * @param qb The query |
| * @param rangeBegin start of range (Julian days or ms) |
| * @param rangeEnd end of range (Julian days or ms) |
| * @param projection The projection |
| * @param selection The selection |
| * @param sort How to sort |
| * @param searchByDay if true, range is in Julian days, if false, range is in ms |
| * @param forceExpansion force the Instance deletion and expansion if set to true |
| * @return |
| */ |
| private Cursor handleInstanceQuery(SQLiteQueryBuilder qb, long rangeBegin, |
| long rangeEnd, String[] projection, String selection, String sort, |
| boolean searchByDay, boolean forceExpansion) { |
| |
| qb.setTables("Instances INNER JOIN Events ON (Instances.event_id=Events._id) " + |
| "INNER JOIN Calendars ON (Events.calendar_id = Calendars._id)"); |
| qb.setProjectionMap(sInstancesProjectionMap); |
| if (searchByDay) { |
| // Convert the first and last Julian day range to a range that uses |
| // UTC milliseconds. |
| Time time = new Time(); |
| long beginMs = time.setJulianDay((int) rangeBegin); |
| // We add one to lastDay because the time is set to 12am on the given |
| // Julian day and we want to include all the events on the last day. |
| long endMs = time.setJulianDay((int) rangeEnd + 1); |
| // will lock the database. |
| acquireInstanceRange(beginMs, endMs, |
| true /* use minimum expansion window */, forceExpansion |
| ); |
| qb.appendWhere("startDay<=? AND endDay>=?"); |
| } else { |
| // will lock the database. |
| acquireInstanceRange(rangeBegin, rangeEnd, |
| true /* use minimum expansion window */, forceExpansion |
| ); |
| qb.appendWhere("begin<=? AND end>=?"); |
| } |
| String selectionArgs[] = new String[] {String.valueOf(rangeEnd), |
| String.valueOf(rangeBegin)}; |
| return qb.query(mDb, projection, selection, selectionArgs, null /* groupBy */, |
| null /* having */, sort); |
| } |
| |
| private Cursor handleEventDayQuery(SQLiteQueryBuilder qb, int begin, int end, |
| String[] projection, String selection) { |
| qb.setTables("Instances INNER JOIN Events ON (Instances.event_id=Events._id) " + |
| "INNER JOIN Calendars ON (Events.calendar_id = Calendars._id)"); |
| qb.setProjectionMap(sInstancesProjectionMap); |
| // Convert the first and last Julian day range to a range that uses |
| // UTC milliseconds. |
| Time time = new Time(); |
| long beginMs = time.setJulianDay(begin); |
| // We add one to lastDay because the time is set to 12am on the given |
| // Julian day and we want to include all the events on the last day. |
| long endMs = time.setJulianDay(end + 1); |
| |
| acquireInstanceRange(beginMs, endMs, true, false /* do not force Instances expansion */); |
| qb.appendWhere("startDay<=? AND endDay>=?"); |
| String selectionArgs[] = new String[] {String.valueOf(end), String.valueOf(begin)}; |
| |
| return qb.query(mDb, projection, selection, selectionArgs, |
| Instances.START_DAY /* groupBy */, null /* having */, null); |
| } |
| |
| /** |
| * Ensure that the date range given has all elements in the instance |
| * table. Acquires the database lock and calls {@link #acquireInstanceRangeLocked}. |
| * |
| * @param begin start of range (ms) |
| * @param end end of range (ms) |
| * @param useMinimumExpansionWindow expand by at least MINIMUM_EXPANSION_SPAN |
| * @param forceExpansion force the Instance deletion and expansion if set to true |
| */ |
| private void acquireInstanceRange(final long begin, final long end, |
| final boolean useMinimumExpansionWindow, final boolean forceExpansion) { |
| mDb.beginTransaction(); |
| try { |
| acquireInstanceRangeLocked(begin, end, useMinimumExpansionWindow, forceExpansion); |
| mDb.setTransactionSuccessful(); |
| } finally { |
| mDb.endTransaction(); |
| } |
| } |
| |
| /** |
| * Ensure that the date range given has all elements in the instance |
| * table. The database lock must be held when calling this method. |
| * |
| * @param begin start of range (ms) |
| * @param end end of range (ms) |
| * @param useMinimumExpansionWindow expand by at least MINIMUM_EXPANSION_SPAN |
| */ |
| private void acquireInstanceRangeLocked(long begin, long end, |
| boolean useMinimumExpansionWindow, boolean forceExpansion) { |
| long expandBegin = begin; |
| long expandEnd = end; |
| |
| if (useMinimumExpansionWindow) { |
| // if we end up having to expand events into the instances table, expand |
| // events for a minimal amount of time, so we do not have to perform |
| // expansions frequently. |
| long span = end - begin; |
| if (span < MINIMUM_EXPANSION_SPAN) { |
| long additionalRange = (MINIMUM_EXPANSION_SPAN - span) / 2; |
| expandBegin -= additionalRange; |
| expandEnd += additionalRange; |
| } |
| } |
| |
| // Check if the timezone has changed. |
| // We do this check here because the database is locked and we can |
| // safely delete all the entries in the Instances table. |
| MetaData.Fields fields = mMetaData.getFieldsLocked(); |
| String dbTimezone = fields.timezone; |
| long maxInstance = fields.maxInstance; |
| long minInstance = fields.minInstance; |
| String localTimezone = TimeZone.getDefault().getID(); |
| boolean timezoneChanged = (dbTimezone == null) || !dbTimezone.equals(localTimezone); |
| |
| if (maxInstance == 0 || timezoneChanged || forceExpansion) { |
| // Empty the Instances table and expand from scratch. |
| mDb.execSQL("DELETE FROM Instances;"); |
| if (Config.LOGV) { |
| Log.v(TAG, "acquireInstanceRangeLocked() deleted Instances," |
| + " timezone changed: " + timezoneChanged); |
| } |
| expandInstanceRangeLocked(expandBegin, expandEnd, localTimezone); |
| |
| mMetaData.writeLocked(localTimezone, expandBegin, expandEnd); |
| return; |
| } |
| |
| // If the desired range [begin, end] has already been |
| // expanded, then simply return. The range is inclusive, that is, |
| // events that touch either endpoint are included in the expansion. |
| // This means that a zero-duration event that starts and ends at |
| // the endpoint will be included. |
| // We use [begin, end] here and not [expandBegin, expandEnd] for |
| // checking the range because a common case is for the client to |
| // request successive days or weeks, for example. If we checked |
| // that the expanded range [expandBegin, expandEnd] then we would |
| // always be expanding because there would always be one more day |
| // or week that hasn't been expanded. |
| if ((begin >= minInstance) && (end <= maxInstance)) { |
| if (Config.LOGV) { |
| Log.v(TAG, "Canceled instance query (" + expandBegin + ", " + expandEnd |
| + ") falls within previously expanded range."); |
| } |
| return; |
| } |
| |
| // If the requested begin point has not been expanded, then include |
| // more events than requested in the expansion (use "expandBegin"). |
| if (begin < minInstance) { |
| expandInstanceRangeLocked(expandBegin, minInstance, localTimezone); |
| minInstance = expandBegin; |
| } |
| |
| // If the requested end point has not been expanded, then include |
| // more events than requested in the expansion (use "expandEnd"). |
| if (end > maxInstance) { |
| expandInstanceRangeLocked(maxInstance, expandEnd, localTimezone); |
| maxInstance = expandEnd; |
| } |
| |
| // Update the bounds on the Instances table. |
| mMetaData.writeLocked(localTimezone, minInstance, maxInstance); |
| } |
| |
| private static final String[] EXPAND_COLUMNS = new String[] { |
| Events._ID, |
| Events._SYNC_ID, |
| Events.STATUS, |
| Events.DTSTART, |
| Events.DTEND, |
| Events.EVENT_TIMEZONE, |
| Events.RRULE, |
| Events.RDATE, |
| Events.EXRULE, |
| Events.EXDATE, |
| Events.DURATION, |
| Events.ALL_DAY, |
| Events.ORIGINAL_EVENT, |
| Events.ORIGINAL_INSTANCE_TIME, |
| Events.CALENDAR_ID, |
| Events.DELETED |
| }; |
| |
| /** |
| * Make instances for the given range. |
| */ |
| private void expandInstanceRangeLocked(long begin, long end, String localTimezone) { |
| |
| if (PROFILE) { |
| Debug.startMethodTracing("expandInstanceRangeLocked"); |
| } |
| |
| if (Log.isLoggable(TAG, Log.VERBOSE)) { |
| Log.v(TAG, "Expanding events between " + begin + " and " + end); |
| } |
| |
| Cursor entries = getEntries(begin, end); |
| try { |
| performInstanceExpansion(begin, end, localTimezone, entries); |
| } finally { |
| if (entries != null) { |
| entries.close(); |
| } |
| } |
| if (PROFILE) { |
| Debug.stopMethodTracing(); |
| } |
| } |
| |
| /** |
| * Get all entries affecting the given window. |
| * @param begin Window start (ms). |
| * @param end Window end (ms). |
| * @return Cursor for the entries; caller must close it. |
| */ |
| private Cursor getEntries(long begin, long end) { |
| SQLiteQueryBuilder qb = new SQLiteQueryBuilder(); |
| qb.setTables(CalendarDatabaseHelper.Views.EVENTS); |
| qb.setProjectionMap(sEventsProjectionMap); |
| |
| String beginString = String.valueOf(begin); |
| String endString = String.valueOf(end); |
| |
| // grab recurrence exceptions that fall outside our expansion window but modify |
| // recurrences that do fall within our window. we won't insert these into the output |
| // set of instances, but instead will just add them to our cancellations list, so we |
| // can cancel the correct recurrence expansion instances. |
| // we don't have originalInstanceDuration or end time. for now, assume the original |
| // instance lasts no longer than 1 week. |
| // also filter with syncable state (we dont want the entries from a non syncable account) |
| // TODO: compute the originalInstanceEndTime or get this from the server. |
| qb.appendWhere("((dtstart <= ? AND (lastDate IS NULL OR lastDate >= ?)) OR " + |
| "(originalInstanceTime IS NOT NULL AND originalInstanceTime <= ? AND " + |
| "originalInstanceTime >= ?)) AND (sync_events != 0)"); |
| String selectionArgs[] = new String[] {endString, beginString, endString, |
| String.valueOf(begin - MAX_ASSUMED_DURATION)}; |
| Cursor c = qb.query(mDb, EXPAND_COLUMNS, null /* selection */, |
| selectionArgs, null /* groupBy */, |
| null /* having */, null /* sortOrder */); |
| if (Log.isLoggable(TAG, Log.VERBOSE)) { |
| Log.v(TAG, "Instance expansion: got " + c.getCount() + " entries"); |
| } |
| return c; |
| } |
| |
| /** |
| * Generates a unique key from the syncId and calendarId. |
| * The purpose of this is to prevent collisions if two different calendars use the |
| * same sync id. This can happen if a Google calendar is accessed by two different accounts, |
| * or with Exchange, where ids are not unique between calendars. |
| * @param syncId Id for the event |
| * @param calendarId Id for the calendar |
| * @return key |
| */ |
| private String getSyncIdKey(String syncId, long calendarId) { |
| return calendarId + ":" + syncId; |
| } |
| |
| /** |
| * Perform instance expansion on the given entries. |
| * @param begin Window start (ms). |
| * @param end Window end (ms). |
| * @param localTimezone |
| * @param entries The entries to process. |
| */ |
| private void performInstanceExpansion(long begin, long end, String localTimezone, |
| Cursor entries) { |
| RecurrenceProcessor rp = new RecurrenceProcessor(); |
| |
| // Key into the instance values to hold the original event concatenated with calendar id. |
| final String ORIGINAL_EVENT_AND_CALENDAR = "ORIGINAL_EVENT_AND_CALENDAR"; |
| |
| int statusColumn = entries.getColumnIndex(Events.STATUS); |
| int dtstartColumn = entries.getColumnIndex(Events.DTSTART); |
| int dtendColumn = entries.getColumnIndex(Events.DTEND); |
| int eventTimezoneColumn = entries.getColumnIndex(Events.EVENT_TIMEZONE); |
| int durationColumn = entries.getColumnIndex(Events.DURATION); |
| int rruleColumn = entries.getColumnIndex(Events.RRULE); |
| int rdateColumn = entries.getColumnIndex(Events.RDATE); |
| int exruleColumn = entries.getColumnIndex(Events.EXRULE); |
| int exdateColumn = entries.getColumnIndex(Events.EXDATE); |
| int allDayColumn = entries.getColumnIndex(Events.ALL_DAY); |
| int idColumn = entries.getColumnIndex(Events._ID); |
| int syncIdColumn = entries.getColumnIndex(Events._SYNC_ID); |
| int originalEventColumn = entries.getColumnIndex(Events.ORIGINAL_EVENT); |
| int originalInstanceTimeColumn = entries.getColumnIndex(Events.ORIGINAL_INSTANCE_TIME); |
| int calendarIdColumn = entries.getColumnIndex(Events.CALENDAR_ID); |
| int deletedColumn = entries.getColumnIndex(Events.DELETED); |
| |
| ContentValues initialValues; |
| EventInstancesMap instancesMap = new EventInstancesMap(); |
| |
| Duration duration = new Duration(); |
| Time eventTime = new Time(); |
| |
| // Invariant: entries contains all events that affect the current |
| // window. It consists of: |
| // a) Individual events that fall in the window. These will be |
| // displayed. |
| // b) Recurrences that included the window. These will be displayed |
| // if not canceled. |
| // c) Recurrence exceptions that fall in the window. These will be |
| // displayed if not cancellations. |
| // d) Recurrence exceptions that modify an instance inside the |
| // window (subject to 1 week assumption above), but are outside |
| // the window. These will not be displayed. Cases c and d are |
| // distingushed by the start / end time. |
| |
| while (entries.moveToNext()) { |
| try { |
| initialValues = null; |
| |
| boolean allDay = entries.getInt(allDayColumn) != 0; |
| |
| String eventTimezone = entries.getString(eventTimezoneColumn); |
| if (allDay || TextUtils.isEmpty(eventTimezone)) { |
| // in the events table, allDay events start at midnight. |
| // this forces them to stay at midnight for all day events |
| // TODO: check that this actually does the right thing. |
| eventTimezone = Time.TIMEZONE_UTC; |
| } |
| |
| long dtstartMillis = entries.getLong(dtstartColumn); |
| Long eventId = Long.valueOf(entries.getLong(idColumn)); |
| |
| String durationStr = entries.getString(durationColumn); |
| if (durationStr != null) { |
| try { |
| duration.parse(durationStr); |
| } |
| catch (DateException e) { |
| Log.w(TAG, "error parsing duration for event " |
| + eventId + "'" + durationStr + "'", e); |
| duration.sign = 1; |
| duration.weeks = 0; |
| duration.days = 0; |
| duration.hours = 0; |
| duration.minutes = 0; |
| duration.seconds = 0; |
| durationStr = "+P0S"; |
| } |
| } |
| |
| String syncId = entries.getString(syncIdColumn); |
| String originalEvent = entries.getString(originalEventColumn); |
| |
| long originalInstanceTimeMillis = -1; |
| if (!entries.isNull(originalInstanceTimeColumn)) { |
| originalInstanceTimeMillis= entries.getLong(originalInstanceTimeColumn); |
| } |
| int status = entries.getInt(statusColumn); |
| boolean deleted = (entries.getInt(deletedColumn) != 0); |
| |
| String rruleStr = entries.getString(rruleColumn); |
| String rdateStr = entries.getString(rdateColumn); |
| String exruleStr = entries.getString(exruleColumn); |
| String exdateStr = entries.getString(exdateColumn); |
| long calendarId = entries.getLong(calendarIdColumn); |
| String syncIdKey = getSyncIdKey(syncId, calendarId); // key into instancesMap |
| |
| RecurrenceSet recur = null; |
| try { |
| recur = new RecurrenceSet(rruleStr, rdateStr, exruleStr, exdateStr); |
| } catch (EventRecurrence.InvalidFormatException e) { |
| Log.w(TAG, "Could not parse RRULE recurrence string: " + rruleStr, e); |
| continue; |
| } |
| |
| if (null != recur && recur.hasRecurrence()) { |
| // the event is repeating |
| |
| if (status == Events.STATUS_CANCELED) { |
| // should not happen! |
| Log.e(TAG, "Found canceled recurring event in " |
| + "Events table. Ignoring."); |
| continue; |
| } |
| |
| // need to parse the event into a local calendar. |
| eventTime.timezone = eventTimezone; |
| eventTime.set(dtstartMillis); |
| eventTime.allDay = allDay; |
| |
| if (durationStr == null) { |
| // should not happen. |
| Log.e(TAG, "Repeating event has no duration -- " |
| + "should not happen."); |
| if (allDay) { |
| // set to one day. |
| duration.sign = 1; |
| duration.weeks = 0; |
| duration.days = 1; |
| duration.hours = 0; |
| duration.minutes = 0; |
| duration.seconds = 0; |
| durationStr = "+P1D"; |
| } else { |
| // compute the duration from dtend, if we can. |
| // otherwise, use 0s. |
| duration.sign = 1; |
| duration.weeks = 0; |
| duration.days = 0; |
| duration.hours = 0; |
| duration.minutes = 0; |
| if (!entries.isNull(dtendColumn)) { |
| long dtendMillis = entries.getLong(dtendColumn); |
| duration.seconds = (int) ((dtendMillis - dtstartMillis) / 1000); |
| durationStr = "+P" + duration.seconds + "S"; |
| } else { |
| duration.seconds = 0; |
| durationStr = "+P0S"; |
| } |
| } |
| } |
| |
| long[] dates; |
| dates = rp.expand(eventTime, recur, begin, end); |
| |
| // Initialize the "eventTime" timezone outside the loop. |
| // This is used in computeTimezoneDependentFields(). |
| if (allDay) { |
| eventTime.timezone = Time.TIMEZONE_UTC; |
| } else { |
| eventTime.timezone = localTimezone; |
| } |
| |
| long durationMillis = duration.getMillis(); |
| for (long date : dates) { |
| initialValues = new ContentValues(); |
| initialValues.put(Instances.EVENT_ID, eventId); |
| |
| initialValues.put(Instances.BEGIN, date); |
| long dtendMillis = date + durationMillis; |
| initialValues.put(Instances.END, dtendMillis); |
| |
| computeTimezoneDependentFields(date, dtendMillis, |
| eventTime, initialValues); |
| instancesMap.add(syncIdKey, initialValues); |
| } |
| } else { |
| // the event is not repeating |
| initialValues = new ContentValues(); |
| |
| // if this event has an "original" field, then record |
| // that we need to cancel the original event (we can't |
| // do that here because the order of this loop isn't |
| // defined) |
| if (originalEvent != null && originalInstanceTimeMillis != -1) { |
| // The ORIGINAL_EVENT_AND_CALENDAR holds the |
| // calendar id concatenated with the ORIGINAL_EVENT to form |
| // a unique key, matching the keys for instancesMap. |
| initialValues.put(ORIGINAL_EVENT_AND_CALENDAR, |
| getSyncIdKey(originalEvent, calendarId)); |
| initialValues.put(Events.ORIGINAL_INSTANCE_TIME, |
| originalInstanceTimeMillis); |
| initialValues.put(Events.STATUS, status); |
| } |
| |
| long dtendMillis = dtstartMillis; |
| if (durationStr == null) { |
| if (!entries.isNull(dtendColumn)) { |
| dtendMillis = entries.getLong(dtendColumn); |
| } |
| } else { |
| dtendMillis = duration.addTo(dtstartMillis); |
| } |
| |
| // this non-recurring event might be a recurrence exception that doesn't |
| // actually fall within our expansion window, but instead was selected |
| // so we can correctly cancel expanded recurrence instances below. do not |
| // add events to the instances map if they don't actually fall within our |
| // expansion window. |
| if ((dtendMillis < begin) || (dtstartMillis > end)) { |
| if (originalEvent != null && originalInstanceTimeMillis != -1) { |
| initialValues.put(Events.STATUS, Events.STATUS_CANCELED); |
| } else { |
| Log.w(TAG, "Unexpected event outside window: " + syncId); |
| continue; |
| } |
| } |
| |
| initialValues.put(Instances.EVENT_ID, eventId); |
| |
| initialValues.put(Instances.BEGIN, dtstartMillis); |
| initialValues.put(Instances.END, dtendMillis); |
| |
| // we temporarily store the DELETED status (will be cleaned later) |
| initialValues.put(Events.DELETED, deleted); |
| |
| if (allDay) { |
| eventTime.timezone = Time.TIMEZONE_UTC; |
| } else { |
| eventTime.timezone = localTimezone; |
| } |
| computeTimezoneDependentFields(dtstartMillis, dtendMillis, |
| eventTime, initialValues); |
| |
| instancesMap.add(syncIdKey, initialValues); |
| } |
| } catch (DateException e) { |
| Log.w(TAG, "RecurrenceProcessor error ", e); |
| } catch (TimeFormatException e) { |
| Log.w(TAG, "RecurrenceProcessor error ", e); |
| } |
| } |
| |
| // Invariant: instancesMap contains all instances that affect the |
| // window, indexed by original sync id concatenated with calendar id. |
| // It consists of: |
| // a) Individual events that fall in the window. They have: |
| // EVENT_ID, BEGIN, END |
| // b) Instances of recurrences that fall in the window. They may |
| // be subject to exceptions. They have: |
| // EVENT_ID, BEGIN, END |
| // c) Exceptions that fall in the window. They have: |
| // ORIGINAL_EVENT_AND_CALENDAR, ORIGINAL_INSTANCE_TIME, STATUS (since they can |
| // be a modification or cancellation), EVENT_ID, BEGIN, END |
| // d) Recurrence exceptions that modify an instance inside the |
| // window but fall outside the window. They have: |
| // ORIGINAL_EVENT_AND_CALENDAR, ORIGINAL_INSTANCE_TIME, STATUS = |
| // STATUS_CANCELED, EVENT_ID, BEGIN, END |
| |
| // First, delete the original instances corresponding to recurrence |
| // exceptions. We do this by iterating over the list and for each |
| // recurrence exception, we search the list for an instance with a |
| // matching "original instance time". If we find such an instance, |
| // we remove it from the list. If we don't find such an instance |
| // then we cancel the recurrence exception. |
| Set<String> keys = instancesMap.keySet(); |
| for (String syncIdKey : keys) { |
| InstancesList list = instancesMap.get(syncIdKey); |
| for (ContentValues values : list) { |
| |
| // If this instance is not a recurrence exception, then |
| // skip it. |
| if (!values.containsKey(ORIGINAL_EVENT_AND_CALENDAR)) { |
| continue; |
| } |
| |
| String originalEventPlusCalendar = values.getAsString(ORIGINAL_EVENT_AND_CALENDAR); |
| long originalTime = values.getAsLong(Events.ORIGINAL_INSTANCE_TIME); |
| InstancesList originalList = instancesMap.get(originalEventPlusCalendar); |
| if (originalList == null) { |
| // The original recurrence is not present, so don't try canceling it. |
| continue; |
| } |
| |
| // Search the original event for a matching original |
| // instance time. If there is a matching one, then remove |
| // the original one. We do this both for exceptions that |
| // change the original instance as well as for exceptions |
| // that delete the original instance. |
| for (int num = originalList.size() - 1; num >= 0; num--) { |
| ContentValues originalValues = originalList.get(num); |
| long beginTime = originalValues.getAsLong(Instances.BEGIN); |
| if (beginTime == originalTime) { |
| // We found the original instance, so remove it. |
| originalList.remove(num); |
| } |
| } |
| } |
| } |
| |
| // Invariant: instancesMap contains filtered instances. |
| // It consists of: |
| // a) Individual events that fall in the window. |
| // b) Instances of recurrences that fall in the window and have not |
| // been subject to exceptions. |
| // c) Exceptions that fall in the window. They will have |
| // STATUS_CANCELED if they are cancellations. |
| // d) Recurrence exceptions that modify an instance inside the |
| // window but fall outside the window. These are STATUS_CANCELED. |
| |
| // Now do the inserts. Since the db lock is held when this method is executed, |
| // this will be done in a transaction. |
| // NOTE: if there is lock contention (e.g., a sync is trying to merge into the db |
| // while the calendar app is trying to query the db (expanding instances)), we will |
| // not be "polite" and yield the lock until we're done. This will favor local query |
| // operations over sync/write operations. |
| for (String syncIdKey : keys) { |
| InstancesList list = instancesMap.get(syncIdKey); |
| for (ContentValues values : list) { |
| |
| // If this instance was cancelled or deleted then don't create a new |
| // instance. |
| Integer status = values.getAsInteger(Events.STATUS); |
| boolean deleted = values.containsKey(Events.DELETED) ? |
| values.getAsBoolean(Events.DELETED) : false; |
| if ((status != null && status == Events.STATUS_CANCELED) || deleted) { |
| continue; |
| } |
| |
| // We remove this useless key (not valid in the context of Instances table) |
| values.remove(Events.DELETED); |
| |
| // Remove these fields before inserting a new instance |
| values.remove(ORIGINAL_EVENT_AND_CALENDAR); |
| values.remove(Events.ORIGINAL_INSTANCE_TIME); |
| values.remove(Events.STATUS); |
| |
| mDbHelper.instancesReplace(values); |
| } |
| } |
| } |
| |
| /** |
| * Computes the timezone-dependent fields of an instance of an event and |
| * updates the "values" map to contain those fields. |
| * |
| * @param begin the start time of the instance (in UTC milliseconds) |
| * @param end the end time of the instance (in UTC milliseconds) |
| * @param local a Time object with the timezone set to the local timezone |
| * @param values a map that will contain the timezone-dependent fields |
| */ |
| private void computeTimezoneDependentFields(long begin, long end, |
| Time local, ContentValues values) { |
| local.set(begin); |
| int startDay = Time.getJulianDay(begin, local.gmtoff); |
| int startMinute = local.hour * 60 + local.minute; |
| |
| local.set(end); |
| int endDay = Time.getJulianDay(end, local.gmtoff); |
| int endMinute = local.hour * 60 + local.minute; |
| |
| // Special case for midnight, which has endMinute == 0. Change |
| // that to +24 hours on the previous day to make everything simpler. |
| // Exception: if start and end minute are both 0 on the same day, |
| // then leave endMinute alone. |
| if (endMinute == 0 && endDay > startDay) { |
| endMinute = 24 * 60; |
| endDay -= 1; |
| } |
| |
| values.put(Instances.START_DAY, startDay); |
| values.put(Instances.END_DAY, endDay); |
| values.put(Instances.START_MINUTE, startMinute); |
| values.put(Instances.END_MINUTE, endMinute); |
| } |
| |
| @Override |
| public String getType(Uri url) { |
| int match = sUriMatcher.match(url); |
| switch (match) { |
| case EVENTS: |
| return "vnd.android.cursor.dir/event"; |
| case EVENTS_ID: |
| return "vnd.android.cursor.item/event"; |
| case REMINDERS: |
| return "vnd.android.cursor.dir/reminder"; |
| case REMINDERS_ID: |
| return "vnd.android.cursor.item/reminder"; |
| case CALENDAR_ALERTS: |
| return "vnd.android.cursor.dir/calendar-alert"; |
| case CALENDAR_ALERTS_BY_INSTANCE: |
| return "vnd.android.cursor.dir/calendar-alert-by-instance"; |
| case CALENDAR_ALERTS_ID: |
| return "vnd.android.cursor.item/calendar-alert"; |
| case INSTANCES: |
| case INSTANCES_BY_DAY: |
| case EVENT_DAYS: |
| return "vnd.android.cursor.dir/event-instance"; |
| case TIME: |
| return "time/epoch"; |
| default: |
| throw new IllegalArgumentException("Unknown URL " + url); |
| } |
| } |
| |
| public static boolean isRecurrenceEvent(ContentValues values) { |
| return (!TextUtils.isEmpty(values.getAsString(Events.RRULE))|| |
| !TextUtils.isEmpty(values.getAsString(Events.RDATE))|| |
| !TextUtils.isEmpty(values.getAsString(Events.ORIGINAL_EVENT))); |
| } |
| |
| /** |
| * Takes an event and corrects the hrs, mins, secs if it is an allDay event. |
| * |
| * AllDay events should have hrs, mins, secs set to zero. This checks if this is true and |
| * corrects the fields DTSTART, DTEND, and DURATION if necessary. Also checks to ensure that |
| * either both DTSTART and DTEND or DTSTART and DURATION are set for each event. |
| * |
| * @param updatedValues The values to check and correct |
| * @return Returns true if a correction was necessary, false otherwise |
| */ |
| private boolean fixAllDayTime(Uri uri, ContentValues updatedValues) { |
| boolean neededCorrection = false; |
| if (updatedValues.containsKey(Events.ALL_DAY) |
| && updatedValues.getAsInteger(Events.ALL_DAY).intValue() == 1) { |
| Long dtstart = updatedValues.getAsLong(Events.DTSTART); |
| Long dtend = updatedValues.getAsLong(Events.DTEND); |
| String duration = updatedValues.getAsString(Events.DURATION); |
| Time time = new Time(); |
| Cursor currentTimesCursor = null; |
| String tempValue; |
| // If a complete set of time fields doesn't exist query the db for them. A complete set |
| // is dtstart and dtend for non-recurring events or dtstart and duration for recurring |
| // events. |
| if(dtstart == null || (dtend == null && duration == null)) { |
| // Make sure we have an id to search for, if not this is probably a new event |
| if (uri.getPathSegments().size() == 2) { |
| currentTimesCursor = query(uri, |
| ALLDAY_TIME_PROJECTION, |
| null /* selection */, |
| null /* selectionArgs */, |
| null /* sort */); |
| if (currentTimesCursor != null) { |
| if (!currentTimesCursor.moveToFirst() || |
| currentTimesCursor.getCount() != 1) { |
| // Either this is a new event or the query is too general to get data |
| // from the db. In either case don't try to use the query and catch |
| // errors when trying to update the time fields. |
| currentTimesCursor.close(); |
| currentTimesCursor = null; |
| } |
| } |
| } |
| } |
| |
| // Ensure dtstart exists for this event (always required) and set so h,m,s are 0 if |
| // necessary. |
| // TODO Move this somewhere to check all events, not just allDay events. |
| if (dtstart == null) { |
| if (currentTimesCursor != null) { |
| // getLong returns 0 for empty fields, we'd like to know if a field is empty |
| // so getString is used instead. |
| tempValue = currentTimesCursor.getString(ALLDAY_DTSTART_INDEX); |
| try { |
| dtstart = Long.valueOf(tempValue); |
| } catch (NumberFormatException e) { |
| currentTimesCursor.close(); |
| throw new IllegalArgumentException("Event has no DTSTART field, the db " + |
| "may be damaged. Set DTSTART for this event to fix."); |
| } |
| } else { |
| throw new IllegalArgumentException("DTSTART cannot be empty for new events."); |
| } |
| } |
| time.clear(Time.TIMEZONE_UTC); |
| time.set(dtstart.longValue()); |
| if (time.hour != 0 || time.minute != 0 || time.second != 0) { |
| time.hour = 0; |
| time.minute = 0; |
| time.second = 0; |
| updatedValues.put(Events.DTSTART, time.toMillis(true)); |
| neededCorrection = true; |
| } |
| |
| // If dtend exists for this event make sure it's h,m,s are 0. |
| if (dtend == null && currentTimesCursor != null) { |
| // getLong returns 0 for empty fields. We'd like to know if a field is empty |
| // so getString is used instead. |
| tempValue = currentTimesCursor.getString(ALLDAY_DTEND_INDEX); |
| try { |
| dtend = Long.valueOf(tempValue); |
| } catch (NumberFormatException e) { |
| dtend = null; |
| } |
| } |
| if (dtend != null) { |
| time.clear(Time.TIMEZONE_UTC); |
| time.set(dtend.longValue()); |
| if (time.hour != 0 || time.minute != 0 || time.second != 0) { |
| time.hour = 0; |
| time.minute = 0; |
| time.second = 0; |
| dtend = time.toMillis(true); |
| updatedValues.put(Events.DTEND, dtend); |
| neededCorrection = true; |
| } |
| } |
| |
| if (currentTimesCursor != null) { |
| if (duration == null) { |
| duration = currentTimesCursor.getString(ALLDAY_DURATION_INDEX); |
| } |
| currentTimesCursor.close(); |
| } |
| |
| if (duration != null) { |
| int len = duration.length(); |
| /* duration is stored as either "P<seconds>S" or "P<days>D". This checks if it's |
| * in the seconds format, and if so converts it to days. |
| */ |
| if (len == 0) { |
| duration = null; |
| } else if (duration.charAt(0) == 'P' && |
| duration.charAt(len - 1) == 'S') { |
| int seconds = Integer.parseInt(duration.substring(1, len - 1)); |
| int days = (seconds + DAY_IN_SECONDS - 1) / DAY_IN_SECONDS; |
| duration = "P" + days + "D"; |
| updatedValues.put(Events.DURATION, duration); |
| neededCorrection = true; |
| } else if (duration.charAt(0) != 'P' || |
| duration.charAt(len - 1) != 'D') { |
| throw new IllegalArgumentException("duration is not formatted correctly. " + |
| "Should be 'P<seconds>S' or 'P<days>D'."); |
| } |
| } |
| |
| if (duration == null && dtend == null) { |
| throw new IllegalArgumentException("DTEND and DURATION cannot both be null for " + |
| "an event."); |
| } |
| } |
| return neededCorrection; |
| } |
| |
| @Override |
| protected Uri insertInTransaction(Uri uri, ContentValues values) { |
| if (Log.isLoggable(TAG, Log.VERBOSE)) { |
| Log.v(TAG, "insertInTransaction: " + uri); |
| } |
| |
| final boolean callerIsSyncAdapter = |
| readBooleanQueryParameter(uri, Calendar.CALLER_IS_SYNCADAPTER, false); |
| |
| final int match = sUriMatcher.match(uri); |
| long id = 0; |
| |
| switch (match) { |
| case SYNCSTATE: |
| id = mDbHelper.getSyncState().insert(mDb, values); |
| break; |
| case EVENTS: |
| if (!callerIsSyncAdapter) { |
| values.put(Events._SYNC_DIRTY, 1); |
| } |
| if (!values.containsKey(Events.DTSTART)) { |
| throw new RuntimeException("DTSTART field missing from event"); |
| } |
| // TODO: do we really need to make a copy? |
| ContentValues updatedValues = new ContentValues(values); |
| validateEventData(updatedValues); |
| // updateLastDate must be after validation, to ensure proper last date computation |
| updatedValues = updateLastDate(updatedValues); |
| if (updatedValues == null) { |
| throw new RuntimeException("Could not insert event."); |
| // return null; |
| } |
| String owner = null; |
| if (updatedValues.containsKey(Events.CALENDAR_ID) && |
| !updatedValues.containsKey(Events.ORGANIZER)) { |
| owner = getOwner(updatedValues.getAsLong(Events.CALENDAR_ID)); |
| // TODO: This isn't entirely correct. If a guest is adding a recurrence |
| // exception to an event, the organizer should stay the original organizer. |
| // This value doesn't go to the server and it will get fixed on sync, |
| // so it shouldn't really matter. |
| if (owner != null) { |
| updatedValues.put(Events.ORGANIZER, owner); |
| } |
| } |
| if (fixAllDayTime(uri, updatedValues)) { |
| Log.w(TAG, "insertInTransaction: " + |
| "allDay is true but sec, min, hour were not 0."); |
| } |
| id = mDbHelper.eventsInsert(updatedValues); |
| if (id != -1) { |
| updateEventRawTimesLocked(id, updatedValues); |
| updateInstancesLocked(updatedValues, id, true /* new event */, mDb); |
| |
| // If we inserted a new event that specified the self-attendee |
| // status, then we need to add an entry to the attendees table. |
| if (values.containsKey(Events.SELF_ATTENDEE_STATUS)) { |
| int status = values.getAsInteger(Events.SELF_ATTENDEE_STATUS); |
| if (owner == null) { |
| owner = getOwner(updatedValues.getAsLong(Events.CALENDAR_ID)); |
| } |
| createAttendeeEntry(id, status, owner); |
| } |
| triggerAppWidgetUpdate(id); |
| } |
| break; |
| case CALENDARS: |
| Integer syncEvents = values.getAsInteger(Calendars.SYNC_EVENTS); |
| if (syncEvents != null && syncEvents == 1) { |
| String accountName = values.getAsString(Calendars._SYNC_ACCOUNT); |
| String accountType = values.getAsString( |
| Calendars._SYNC_ACCOUNT_TYPE); |
| final Account account = new Account(accountName, accountType); |
| String calendarUrl = values.getAsString(Calendars.URL); |
| mDbHelper.scheduleSync(account, false /* two-way sync */, calendarUrl); |
| } |
| id = mDbHelper.calendarsInsert(values); |
| break; |
| case ATTENDEES: |
| if (!values.containsKey(Attendees.EVENT_ID)) { |
| throw new IllegalArgumentException("Attendees values must " |
| + "contain an event_id"); |
| } |
| id = mDbHelper.attendeesInsert(values); |
| if (!callerIsSyncAdapter) { |
| setEventDirty(values.getAsInteger(Attendees.EVENT_ID)); |
| } |
| |
| // Copy the attendee status value to the Events table. |
| updateEventAttendeeStatus(mDb, values); |
| break; |
| case REMINDERS: |
| if (!values.containsKey(Reminders.EVENT_ID)) { |
| throw new IllegalArgumentException("Reminders values must " |
| + "contain an event_id"); |
| } |
| id = mDbHelper.remindersInsert(values); |
| if (!callerIsSyncAdapter) { |
| setEventDirty(values.getAsInteger(Reminders.EVENT_ID)); |
| } |
| |
| // Schedule another event alarm, if necessary |
| if (Log.isLoggable(TAG, Log.DEBUG)) { |
| Log.d(TAG, "insertInternal() changing reminder"); |
| } |
| scheduleNextAlarm(false /* do not remove alarms */); |
| break; |
| case CALENDAR_ALERTS: |
| if (!values.containsKey(CalendarAlerts.EVENT_ID)) { |
| throw new IllegalArgumentException("CalendarAlerts values must " |
| + "contain an event_id"); |
| } |
| id = mDbHelper.calendarAlertsInsert(values); |
| // Note: dirty bit is not set for Alerts because it is not synced. |
| // It is generated from Reminders, which is synced. |
| break; |
| case EXTENDED_PROPERTIES: |
| if (!values.containsKey(Calendar.ExtendedProperties.EVENT_ID)) { |
| throw new IllegalArgumentException("ExtendedProperties values must " |
| + "contain an event_id"); |
| } |
| id = mDbHelper.extendedPropertiesInsert(values); |
| if (!callerIsSyncAdapter) { |
| setEventDirty(values.getAsInteger(Calendar.ExtendedProperties.EVENT_ID)); |
| } |
| break; |
| case DELETED_EVENTS: |
| case EVENTS_ID: |
| case REMINDERS_ID: |
| case CALENDAR_ALERTS_ID: |
| case EXTENDED_PROPERTIES_ID: |
| case INSTANCES: |
| case INSTANCES_BY_DAY: |
| case EVENT_DAYS: |
| throw new UnsupportedOperationException("Cannot insert into that URL: " + uri); |
| default: |
| throw new IllegalArgumentException("Unknown URL " + uri); |
| } |
| |
| if (id < 0) { |
| return null; |
| } |
| |
| return ContentUris.withAppendedId(uri, id); |
| } |
| |
| /** |
| * Do some validation on event data before inserting. |
| * In particular make sure dtend, duration, etc make sense for |
| * the type of event (regular, recurrence, exception). Remove |
| * any unexpected fields. |
| * |
| * @param values the ContentValues to insert |
| */ |
| private void validateEventData(ContentValues values) { |
| boolean hasDtend = values.getAsLong(Events.DTEND) != null; |
| boolean hasDuration = !TextUtils.isEmpty(values.getAsString(Events.DURATION)); |
| boolean hasRrule = !TextUtils.isEmpty(values.getAsString(Events.RRULE)); |
| boolean hasRdate = !TextUtils.isEmpty(values.getAsString(Events.RDATE)); |
| boolean hasOriginalEvent = !TextUtils.isEmpty(values.getAsString(Events.ORIGINAL_EVENT)); |
| boolean hasOriginalInstanceTime = values.getAsLong(Events.ORIGINAL_INSTANCE_TIME) != null; |
| if (hasRrule || hasRdate) { |
| // Recurrence: |
| // dtstart is start time of first event |
| // dtend is null |
| // duration is the duration of the event |
| // rrule is the recurrence rule |
| // lastDate is the end of the last event or null if it repeats forever |
| // originalEvent is null |
| // originalInstanceTime is null |
| if (hasDtend || !hasDuration || hasOriginalEvent || hasOriginalInstanceTime) { |
| if (Log.isLoggable(TAG, Log.DEBUG)) { |
| Log.e(TAG, "Invalid values for recurrence: " + values); |
| } |
| values.remove(Events.DTEND); |
| values.remove(Events.ORIGINAL_EVENT); |
| values.remove(Events.ORIGINAL_INSTANCE_TIME); |
| } |
| } else if (hasOriginalEvent || hasOriginalInstanceTime) { |
| // Recurrence exception |
| // dtstart is start time of exception event |
| // dtend is end time of exception event |
| // duration is null |
| // rrule is null |
| // lastdate is same as dtend |
| // originalEvent is the _sync_id of the recurrence |
| // originalInstanceTime is the start time of the event being replaced |
| if (!hasDtend || hasDuration || !hasOriginalEvent || !hasOriginalInstanceTime) { |
| if (Log.isLoggable(TAG, Log.DEBUG)) { |
| Log.e(TAG, "Invalid values for recurrence exception: " + values); |
| } |
| values.remove(Events.DURATION); |
| } |
| } else { |
| // Regular event |
| // dtstart is the start time |
| // dtend is the end time |
| // duration is null |
| // rrule is null |
| // lastDate is the same as dtend |
| // originalEvent is null |
| // originalInstanceTime is null |
| if (!hasDtend || hasDuration) { |
| if (Log.isLoggable(TAG, Log.DEBUG)) { |
| Log.e(TAG, "Invalid values for event: " + values); |
| } |
| values.remove(Events.DURATION); |
| } |
| } |
| } |
| |
| private void setEventDirty(int eventId) { |
| mDb.execSQL("UPDATE Events SET _sync_dirty=1 where _id=?", new Integer[] {eventId}); |
| } |
| |
| /** |
| * Gets the calendar's owner for an event. |
| * @param calId |
| * @return email of owner or null |
| */ |
| private String getOwner(long calId) { |
| if (calId < 0) { |
| Log.e(TAG, "Calendar Id is not valid: " + calId); |
| return null; |
| } |
| // Get the email address of this user from this Calendar |
| String emailAddress = null; |
| Cursor cursor = null; |
| try { |
| cursor = query(ContentUris.withAppendedId(Calendars.CONTENT_URI, calId), |
| new String[] { Calendars.OWNER_ACCOUNT }, |
| null /* selection */, |
| null /* selectionArgs */, |
| null /* sort */); |
| if (cursor == null || !cursor.moveToFirst()) { |
| Log.d(TAG, "Couldn't find " + calId + " in Calendars table"); |
| return null; |
| } |
| emailAddress = cursor.getString(0); |
| } finally { |
| if (cursor != null) { |
| cursor.close(); |
| } |
| } |
| return emailAddress; |
| } |
| |
| /** |
| * Creates an entry in the Attendees table that refers to the given event |
| * and that has the given response status. |
| * |
| * @param eventId the event id that the new entry in the Attendees table |
| * should refer to |
| * @param status the response status |
| * @param emailAddress the email of the attendee |
| */ |
| private void createAttendeeEntry(long eventId, int status, String emailAddress) { |
| ContentValues values = new ContentValues(); |
| values.put(Attendees.EVENT_ID, eventId); |
| values.put(Attendees.ATTENDEE_STATUS, status); |
| values.put(Attendees.ATTENDEE_TYPE, Attendees.TYPE_NONE); |
| // TODO: The relationship could actually be ORGANIZER, but it will get straightened out |
| // on sync. |
| values.put(Attendees.ATTENDEE_RELATIONSHIP, |
| Attendees.RELATIONSHIP_ATTENDEE); |
| values.put(Attendees.ATTENDEE_EMAIL, emailAddress); |
| |
| // We don't know the ATTENDEE_NAME but that will be filled in by the |
| // server and sent back to us. |
| mDbHelper.attendeesInsert(values); |
| } |
| |
| /** |
| * Updates the attendee status in the Events table to be consistent with |
| * the value in the Attendees table. |
| * |
| * @param db the database |
| * @param attendeeValues the column values for one row in the Attendees |
| * table. |
| */ |
| private void updateEventAttendeeStatus(SQLiteDatabase db, ContentValues attendeeValues) { |
| // Get the event id for this attendee |
| long eventId = attendeeValues.getAsLong(Attendees.EVENT_ID); |
| |
| if (MULTIPLE_ATTENDEES_PER_EVENT) { |
| // Get the calendar id for this event |
| Cursor cursor = null; |
| long calId; |
| try { |
| cursor = query(ContentUris.withAppendedId(Events.CONTENT_URI, eventId), |
| new String[] { Events.CALENDAR_ID }, |
| null /* selection */, |
| null /* selectionArgs */, |
| null /* sort */); |
| if (cursor == null || !cursor.moveToFirst()) { |
| Log.d(TAG, "Couldn't find " + eventId + " in Events table"); |
| return; |
| } |
| calId = cursor.getLong(0); |
| } finally { |
| if (cursor != null) { |
| cursor.close(); |
| } |
| } |
| |
| // Get the owner email for this Calendar |
| String calendarEmail = null; |
| cursor = null; |
| try { |
| cursor = query(ContentUris.withAppendedId(Calendars.CONTENT_URI, calId), |
| new String[] { Calendars.OWNER_ACCOUNT }, |
| null /* selection */, |
| null /* selectionArgs */, |
| null /* sort */); |
| if (cursor == null || !cursor.moveToFirst()) { |
| Log.d(TAG, "Couldn't find " + calId + " in Calendars table"); |
| return; |
| } |
| calendarEmail = cursor.getString(0); |
| } finally { |
| if (cursor != null) { |
| cursor.close(); |
| } |
| } |
| |
| if (calendarEmail == null) { |
| return; |
| } |
| |
| // Get the email address for this attendee |
| String attendeeEmail = null; |
| if (attendeeValues.containsKey(Attendees.ATTENDEE_EMAIL)) { |
| attendeeEmail = attendeeValues.getAsString(Attendees.ATTENDEE_EMAIL); |
| } |
| |
| // If the attendee email does not match the calendar email, then this |
| // attendee is not the owner of this calendar so we don't update the |
| // selfAttendeeStatus in the event. |
| if (!calendarEmail.equals(attendeeEmail)) { |
| return; |
| } |
| } |
| |
| int status = Attendees.ATTENDEE_STATUS_NONE; |
| if (attendeeValues.containsKey(Attendees.ATTENDEE_RELATIONSHIP)) { |
| int rel = attendeeValues.getAsInteger(Attendees.ATTENDEE_RELATIONSHIP); |
| if (rel == Attendees.RELATIONSHIP_ORGANIZER) { |
| status = Attendees.ATTENDEE_STATUS_ACCEPTED; |
| } |
| } |
| |
| if (attendeeValues.containsKey(Attendees.ATTENDEE_STATUS)) { |
| status = attendeeValues.getAsInteger(Attendees.ATTENDEE_STATUS); |
| } |
| |
| ContentValues values = new ContentValues(); |
| values.put(Events.SELF_ATTENDEE_STATUS, status); |
| db.update("Events", values, "_id=?", new String[] {String.valueOf(eventId)}); |
| } |
| |
| /** |
| * Updates the instances table when an event is added or updated. |
| * @param values The new values of the event. |
| * @param rowId The database row id of the event. |
| * @param newEvent true if the event is new. |
| * @param db The database |
| */ |
| private void updateInstancesLocked(ContentValues values, |
| long rowId, |
| boolean newEvent, |
| SQLiteDatabase db) { |
| |
| // If there are no expanded Instances, then return. |
| MetaData.Fields fields = mMetaData.getFieldsLocked(); |
| if (fields.maxInstance == 0) { |
| return; |
| } |
| |
| Long dtstartMillis = values.getAsLong(Events.DTSTART); |
| if (dtstartMillis == null) { |
| if (newEvent) { |
| // must be present for a new event. |
| throw new RuntimeException("DTSTART missing."); |
| } |
| if (Config.LOGV) Log.v(TAG, "Missing DTSTART. " |
| + "No need to update instance."); |
| return; |
| } |
| |
| Long lastDateMillis = values.getAsLong(Events.LAST_DATE); |
| Long originalInstanceTime = values.getAsLong(Events.ORIGINAL_INSTANCE_TIME); |
| |
| if (!newEvent) { |
| // Want to do this for regular event, recurrence, or exception. |
| // For recurrence or exception, more deletion may happen below if we |
| // do an instance expansion. This deletion will suffice if the exception |
| // is moved outside the window, for instance. |
| db.delete("Instances", "event_id=?", new String[] {String.valueOf(rowId)}); |
| } |
| |
| if (isRecurrenceEvent(values)) { |
| // The recurrence or exception needs to be (re-)expanded if: |
| // a) Exception or recurrence that falls inside window |
| boolean insideWindow = dtstartMillis <= fields.maxInstance && |
| (lastDateMillis == null || lastDateMillis >= fields.minInstance); |
| // b) Exception that affects instance inside window |
| // These conditions match the query in getEntries |
| // See getEntries comment for explanation of subtracting 1 week. |
| boolean affectsWindow = originalInstanceTime != null && |
| originalInstanceTime <= fields.maxInstance && |
| originalInstanceTime >= fields.minInstance - MAX_ASSUMED_DURATION; |
| if (insideWindow || affectsWindow) { |
| updateRecurrenceInstancesLocked(values, rowId, db); |
| } |
| // TODO: an exception creation or update could be optimized by |
| // updating just the affected instances, instead of regenerating |
| // the recurrence. |
| return; |
| } |
| |
| Long dtendMillis = values.getAsLong(Events.DTEND); |
| if (dtendMillis == null) { |
| dtendMillis = dtstartMillis; |
| } |
| |
| // if the event is in the expanded range, insert |
| // into the instances table. |
| // TODO: deal with durations. currently, durations are only used in |
| // recurrences. |
| |
| if (dtstartMillis <= fields.maxInstance && dtendMillis >= fields.minInstance) { |
| ContentValues instanceValues = new ContentValues(); |
| instanceValues.put(Instances.EVENT_ID, rowId); |
| instanceValues.put(Instances.BEGIN, dtstartMillis); |
| instanceValues.put(Instances.END, dtendMillis); |
| |
| boolean allDay = false; |
| Integer allDayInteger = values.getAsInteger(Events.ALL_DAY); |
| if (allDayInteger != null) { |
| allDay = allDayInteger != 0; |
| } |
| |
| // Update the timezone-dependent fields. |
| Time local = new Time(); |
| if (allDay) { |
| local.timezone = Time.TIMEZONE_UTC; |
| } else { |
| local.timezone = fields.timezone; |
| } |
| |
| computeTimezoneDependentFields(dtstartMillis, dtendMillis, local, instanceValues); |
| mDbHelper.instancesInsert(instanceValues); |
| } |
| } |
| |
| /** |
| * Determines the recurrence entries associated with a particular recurrence. |
| * This set is the base recurrence and any exception. |
| * |
| * Normally the entries are indicated by the sync id of the base recurrence |
| * (which is the originalEvent in the exceptions). |
| * However, a complication is that a recurrence may not yet have a sync id. |
| * In that case, the recurrence is specified by the rowId. |
| * |
| * @param recurrenceSyncId The sync id of the base recurrence, or null. |
| * @param rowId The row id of the base recurrence. |
| * @return the relevant entries. |
| */ |
| private Cursor getRelevantRecurrenceEntries(String recurrenceSyncId, long rowId) { |
| SQLiteQueryBuilder qb = new SQLiteQueryBuilder(); |
| |
| qb.setTables(CalendarDatabaseHelper.Views.EVENTS); |
| qb.setProjectionMap(sEventsProjectionMap); |
| String selectionArgs[]; |
| if (recurrenceSyncId == null) { |
| String where = "_id =?"; |
| qb.appendWhere(where); |
| selectionArgs = new String[] {String.valueOf(rowId)}; |
| } else { |
| String where = "_sync_id = ? OR originalEvent = ?"; |
| qb.appendWhere(where); |
| selectionArgs = new String[] {recurrenceSyncId, recurrenceSyncId}; |
| } |
| if (Log.isLoggable(TAG, Log.VERBOSE)) { |
| Log.v(TAG, "Retrieving events to expand: " + qb.toString()); |
| } |
| |
| return qb.query(mDb, EXPAND_COLUMNS, null /* selection */, selectionArgs, |
| null /* groupBy */, null /* having */, null /* sortOrder */); |
| } |
| |
| /** |
| * Do incremental Instances update of a recurrence or recurrence exception. |
| * |
| * This method does performInstanceExpansion on just the modified recurrence, |
| * to avoid the overhead of recomputing the entire instance table. |
| * |
| * @param values The new values of the event. |
| * @param rowId The database row id of the event. |
| * @param db The database |
| */ |
| private void updateRecurrenceInstancesLocked(ContentValues values, |
| long rowId, |
| SQLiteDatabase db) { |
| MetaData.Fields fields = mMetaData.getFieldsLocked(); |
| String originalEvent = values.getAsString(Events.ORIGINAL_EVENT); |
| String recurrenceSyncId = null; |
| if (originalEvent != null) { |
| recurrenceSyncId = originalEvent; |
| } else { |
| // Get the recurrence's sync id from the database |
| recurrenceSyncId = DatabaseUtils.stringForQuery(db, "SELECT _sync_id FROM Events" |
| + " WHERE _id=?", new String[] {String.valueOf(rowId)}); |
| } |
| // recurrenceSyncId is the _sync_id of the underlying recurrence |
| // If the recurrence hasn't gone to the server, it will be null. |
| |
| // Need to clear out old instances |
| if (recurrenceSyncId == null) { |
| // Creating updating a recurrence that hasn't gone to the server. |
| // Need to delete based on row id |
| String where = "_id IN (SELECT Instances._id as _id" |
| + " FROM Instances INNER JOIN Events" |
| + " ON (Events._id = Instances.event_id)" |
| + " WHERE Events._id =?)"; |
| db.delete("Instances", where, new String[]{"" + rowId}); |
| } else { |
| // Creating or modifying a recurrence or exception. |
| // Delete instances for recurrence (_sync_id = recurrenceSyncId) |
| // and all exceptions (originalEvent = recurrenceSyncId) |
| String where = "_id IN (SELECT Instances._id as _id" |
| + " FROM Instances INNER JOIN Events" |
| + " ON (Events._id = Instances.event_id)" |
| + " WHERE Events._sync_id =?" |
| + " OR Events.originalEvent =?)"; |
| db.delete("Instances", where, new String[]{recurrenceSyncId, recurrenceSyncId}); |
| } |
| |
| // Now do instance expansion |
| Cursor entries = getRelevantRecurrenceEntries(recurrenceSyncId, rowId); |
| try { |
| performInstanceExpansion(fields.minInstance, fields.maxInstance, fields.timezone, |
| entries); |
| } finally { |
| if (entries != null) { |
| entries.close(); |
| } |
| } |
| |
| // Clear busy bits (is this still needed?) |
| mMetaData.writeLocked(fields.timezone, fields.minInstance, fields.maxInstance); |
| } |
| |
| long calculateLastDate(ContentValues values) |
| throws DateException { |
| // Allow updates to some event fields like the title or hasAlarm |
| // without requiring DTSTART. |
| if (!values.containsKey(Events.DTSTART)) { |
| if (values.containsKey(Events.DTEND) || values.containsKey(Events.RRULE) |
| || values.containsKey(Events.DURATION) |
| || values.containsKey(Events.EVENT_TIMEZONE) |
| || values.containsKey(Events.RDATE) |
| || values.containsKey(Events.EXRULE) |
| || values.containsKey(Events.EXDATE)) { |
| throw new RuntimeException("DTSTART field missing from event"); |
| } |
| return -1; |
| } |
| long dtstartMillis = values.getAsLong(Events.DTSTART); |
| long lastMillis = -1; |
| |
| // Can we use dtend with a repeating event? What does that even |
| // mean? |
| // NOTE: if the repeating event has a dtend, we convert it to a |
| // duration during event processing, so this situation should not |
| // occur. |
| Long dtEnd = values.getAsLong(Events.DTEND); |
| if (dtEnd != null) { |
| lastMillis = dtEnd; |
| } else { |
| // find out how long it is |
| Duration duration = new Duration(); |
| String durationStr = values.getAsString(Events.DURATION); |
| if (durationStr != null) { |
| duration.parse(durationStr); |
| } |
| |
| RecurrenceSet recur = null; |
| try { |
| recur = new RecurrenceSet(values); |
| } catch (EventRecurrence.InvalidFormatException e) { |
| Log.w(TAG, "Could not parse RRULE recurrence string: " + |
| values.get(Calendar.Events.RRULE), e); |
| return lastMillis; // -1 |
| } |
| |
| if (null != recur && recur.hasRecurrence()) { |
| // the event is repeating, so find the last date it |
| // could appear on |
| |
| String tz = values.getAsString(Events.EVENT_TIMEZONE); |
| |
| if (TextUtils.isEmpty(tz)) { |
| // floating timezone |
| tz = Time.TIMEZONE_UTC; |
| } |
| Time dtstartLocal = new Time(tz); |
| |
| dtstartLocal.set(dtstartMillis); |
| |
| RecurrenceProcessor rp = new RecurrenceProcessor(); |
| lastMillis = rp.getLastOccurence(dtstartLocal, recur); |
| if (lastMillis == -1) { |
| return lastMillis; // -1 |
| } |
| } else { |
| // the event is not repeating, just use dtstartMillis |
| lastMillis = dtstartMillis; |
| } |
| |
| // that was the beginning of the event. this is the end. |
| lastMillis = duration.addTo(lastMillis); |
| } |
| return lastMillis; |
| } |
| |
| /** |
| * Add LAST_DATE to values. |
| * @param values the ContentValues (in/out) |
| * @return values on success, null on failure |
| */ |
| private ContentValues updateLastDate(ContentValues values) { |
| try { |
| long last = calculateLastDate(values); |
| if (last != -1) { |
| values.put(Events.LAST_DATE, last); |
| } |
| |
| return values; |
| } catch (DateException e) { |
| // don't add it if there was an error |
| Log.w(TAG, "Could not calculate last date.", e); |
| return null; |
| } |
| } |
| |
| private void updateEventRawTimesLocked(long eventId, ContentValues values) { |
| ContentValues rawValues = new ContentValues(); |
| |
| rawValues.put("event_id", eventId); |
| |
| String timezone = values.getAsString(Events.EVENT_TIMEZONE); |
| |
| boolean allDay = false; |
| Integer allDayInteger = values.getAsInteger(Events.ALL_DAY); |
| if (allDayInteger != null) { |
| allDay = allDayInteger != 0; |
| } |
| |
| if (allDay || TextUtils.isEmpty(timezone)) { |
| // floating timezone |
| timezone = Time.TIMEZONE_UTC; |
| } |
| |
| Time time = new Time(timezone); |
| time.allDay = allDay; |
| Long dtstartMillis = values.getAsLong(Events.DTSTART); |
| if (dtstartMillis != null) { |
| time.set(dtstartMillis); |
| rawValues.put("dtstart2445", time.format2445()); |
| } |
| |
| Long dtendMillis = values.getAsLong(Events.DTEND); |
| if (dtendMillis != null) { |
| time.set(dtendMillis); |
| rawValues.put("dtend2445", time.format2445()); |
| } |
| |
| Long originalInstanceMillis = values.getAsLong(Events.ORIGINAL_INSTANCE_TIME); |
| if (originalInstanceMillis != null) { |
| // This is a recurrence exception so we need to get the all-day |
| // status of the original recurring event in order to format the |
| // date correctly. |
| allDayInteger = values.getAsInteger(Events.ORIGINAL_ALL_DAY); |
| if (allDayInteger != null) { |
| time.allDay = allDayInteger != 0; |
| } |
| time.set(originalInstanceMillis); |
| rawValues.put("originalInstanceTime2445", time.format2445()); |
| } |
| |
| Long lastDateMillis = values.getAsLong(Events.LAST_DATE); |
| if (lastDateMillis != null) { |
| time.allDay = allDay; |
| time.set(lastDateMillis); |
| rawValues.put("lastDate2445", time.format2445()); |
| } |
| |
| mDbHelper.eventsRawTimesReplace(rawValues); |
| } |
| |
| @Override |
| protected int deleteInTransaction(Uri uri, String selection, String[] selectionArgs) { |
| if (Log.isLoggable(TAG, Log.VERBOSE)) { |
| Log.v(TAG, "deleteInTransaction: " + uri); |
| } |
| final boolean callerIsSyncAdapter = |
| readBooleanQueryParameter(uri, Calendar.CALLER_IS_SYNCADAPTER, false); |
| final int match = sUriMatcher.match(uri); |
| switch (match) { |
| case SYNCSTATE: |
| return mDbHelper.getSyncState().delete(mDb, selection, selectionArgs); |
| |
| case SYNCSTATE_ID: |
| String selectionWithId = (BaseColumns._ID + "=?") |
| + (selection == null ? "" : " AND (" + selection + ")"); |
| // Prepend id to selectionArgs |
| selectionArgs = insertSelectionArg(selectionArgs, |
| String.valueOf(ContentUris.parseId(uri))); |
| return mDbHelper.getSyncState().delete(mDb, selectionWithId, |
| selectionArgs); |
| |
| case EVENTS: |
| { |
| int result = 0; |
| selection = appendAccountToSelection(uri, selection); |
| |
| // Query this event to get the ids to delete. |
| Cursor cursor = mDb.query("Events", ID_ONLY_PROJECTION, |
| selection, selectionArgs, null /* groupBy */, |
| null /* having */, null /* sortOrder */); |
| try { |
| while (cursor.moveToNext()) { |
| long id = cursor.getLong(0); |
| result += deleteEventInternal(id, callerIsSyncAdapter, true /* isBatch */); |
| } |
| scheduleNextAlarm(false /* do not remove alarms */); |
| triggerAppWidgetUpdate(-1 /* changedEventId */); |
| } finally { |
| cursor.close(); |
| cursor = null; |
| } |
| return result; |
| } |
| case EVENTS_ID: |
| { |
| long id = ContentUris.parseId(uri); |
| if (selection != null) { |
| throw new UnsupportedOperationException("CalendarProvider2 " |
| + "doesn't support selection based deletion for type " |
| + match); |
| } |
| return deleteEventInternal(id, callerIsSyncAdapter, false /* isBatch */); |
| } |
| case ATTENDEES: |
| { |
| if (callerIsSyncAdapter) { |
| return mDb.delete("Attendees", selection, selectionArgs); |
| } else { |
| return deleteFromTable("Attendees", uri, selection, selectionArgs); |
| } |
| } |
| case ATTENDEES_ID: |
| { |
| if (selection != null) { |
| throw new UnsupportedOperationException("Selection not permitted for " + uri); |
| } |
| if (callerIsSyncAdapter) { |
| long id = ContentUris.parseId(uri); |
| return mDb.delete("Attendees", "_id=?", new String[] {String.valueOf(id)}); |
| } else { |
| return deleteFromTable("Attendees", uri, null /* selection */, |
| null /* selectionArgs */); |
| } |
| } |
| case REMINDERS: |
| { |
| if (callerIsSyncAdapter) { |
| return mDb.delete("Reminders", selection, selectionArgs); |
| } else { |
| return deleteFromTable("Reminders", uri, selection, selectionArgs); |
| } |
| } |
| case REMINDERS_ID: |
| { |
| if (selection != null) { |
| throw new UnsupportedOperationException("Selection not permitted for " + uri); |
| } |
| if (callerIsSyncAdapter) { |
| long id = ContentUris.parseId(uri); |
| return mDb.delete("Reminders", "_id=?", new String[] {String.valueOf(id)}); |
| } else { |
| return deleteFromTable("Reminders", uri, null /* selection */, |
| null /* selectionArgs */); |
| } |
| } |
| case EXTENDED_PROPERTIES: |
| { |
| if (callerIsSyncAdapter) { |
| return mDb.delete("ExtendedProperties", selection, selectionArgs); |
| } else { |
| return deleteFromTable("ExtendedProperties", uri, selection, selectionArgs); |
| } |
| } |
| case EXTENDED_PROPERTIES_ID: |
| { |
| if (selection != null) { |
| throw new UnsupportedOperationException("Selection not permitted for " + uri); |
| } |
| if (callerIsSyncAdapter) { |
| long id = ContentUris.parseId(uri); |
| return mDb.delete("ExtendedProperties", "_id=?", |
| new String[] {String.valueOf(id)}); |
| } else { |
| return deleteFromTable("ExtendedProperties", uri, null /* selection */, |
| null /* selectionArgs */); |
| } |
| } |
| case CALENDAR_ALERTS: |
| { |
| if (callerIsSyncAdapter) { |
| return mDb.delete("CalendarAlerts", selection, selectionArgs); |
| } else { |
| return deleteFromTable("CalendarAlerts", uri, selection, selectionArgs); |
| } |
| } |
| case CALENDAR_ALERTS_ID: |
| { |
| if (selection != null) { |
| throw new UnsupportedOperationException("Selection not permitted for " + uri); |
| } |
| // Note: dirty bit is not set for Alerts because it is not synced. |
| // It is generated from Reminders, which is synced. |
| long id = ContentUris.parseId(uri); |
| return mDb.delete("CalendarAlerts", "_id=?", new String[] {String.valueOf(id)}); |
| } |
| case DELETED_EVENTS: |
| throw new UnsupportedOperationException("Cannot delete that URL: " + uri); |
| case CALENDARS_ID: |
| StringBuilder selectionSb = new StringBuilder("_id="); |
| selectionSb.append(uri.getPathSegments().get(1)); |
| if (!TextUtils.isEmpty(selection)) { |
| selectionSb.append(" AND ("); |
| selectionSb.append(selection); |
| selectionSb.append(')'); |
| } |
| selection = selectionSb.toString(); |
| // fall through to CALENDARS for the actual delete |
| case CALENDARS: |
| selection = appendAccountToSelection(uri, selection); |
| return deleteMatchingCalendars(selection); // TODO: handle in sync adapter |
| case INSTANCES: |
| case INSTANCES_BY_DAY: |
| case EVENT_DAYS: |
| throw new UnsupportedOperationException("Cannot delete that URL"); |
| default: |
| throw new IllegalArgumentException("Unknown URL " + uri); |
| } |
| } |
| |
| private int deleteEventInternal(long id, boolean callerIsSyncAdapter, boolean isBatch) { |
| int result = 0; |
| String selectionArgs[] = new String[] {String.valueOf(id)}; |
| |
| // Query this event to get the fields needed for deleting. |
| Cursor cursor = mDb.query("Events", EVENTS_PROJECTION, |
| "_id=?", selectionArgs, |
| null /* groupBy */, |
| null /* having */, null /* sortOrder */); |
| try { |
| if (cursor.moveToNext()) { |
| result = 1; |
| String syncId = cursor.getString(EVENTS_SYNC_ID_INDEX); |
| boolean emptySyncId = TextUtils.isEmpty(syncId); |
| if (!emptySyncId) { |
| |
| // TODO: we may also want to delete exception |
| // events for this event (in case this was a |
| // recurring event). We can do that with the |
| // following code: |
| // mDb.delete("Events", "originalEvent=?", new String[] {syncId}); |
| } |
| |
| // If this was a recurring event or a recurrence |
| // exception, then force a recalculation of the |
| // instances. |
| String rrule = cursor.getString(EVENTS_RRULE_INDEX); |
| String rdate = cursor.getString(EVENTS_RDATE_INDEX); |
| String origEvent = cursor.getString(EVENTS_ORIGINAL_EVENT_INDEX); |
| if (!TextUtils.isEmpty(rrule) || !TextUtils.isEmpty(rdate) |
| || !TextUtils.isEmpty(origEvent)) { |
| mMetaData.clearInstanceRange(); |
| } |
| |
| // we clean the Events and Attendees table if the caller is CalendarSyncAdapter |
| // or if the event is local (no syncId) |
| if (callerIsSyncAdapter || emptySyncId) { |
| mDb.delete("Events", "_id=?", selectionArgs); |
| mDb.delete("Attendees", "event_id=?", selectionArgs); |
| } else { |
| ContentValues values = new ContentValues(); |
| values.put(Events.DELETED, 1); |
| values.put(Events._SYNC_DIRTY, 1); |
| mDb.update("Events", values, "_id=?", selectionArgs); |
| } |
| } |
| } finally { |
| cursor.close(); |
| cursor = null; |
| } |
| |
| if (!isBatch) { |
| scheduleNextAlarm(false /* do not remove alarms */); |
| triggerAppWidgetUpdate(-1 /* changedEventId */); |
| } |
| |
| // Delete associated data; attendees, however, are deleted with the actual event so |
| // that the sync adapter is able to notify attendees of the cancellation. |
| mDb.delete("Instances", "event_id=?", selectionArgs); |
| mDb.delete("EventsRawTimes", "event_id=?", selectionArgs); |
| mDb.delete("Reminders", "event_id=?", selectionArgs); |
| mDb.delete("CalendarAlerts", "event_id=?", selectionArgs); |
| mDb.delete("ExtendedProperties", "event_id=?", selectionArgs); |
| return result; |
| } |
| |
| /** |
| * Delete rows from a table and mark corresponding events as dirty. |
| * @param table The table to delete from |
| * @param uri The URI specifying the rows |
| * @param selection for the query |
| * @param selectionArgs for the query |
| */ |
| private int deleteFromTable(String table, Uri uri, String selection, String[] selectionArgs) { |
| // Note that the query will return data according to the access restrictions, |
| // so we don't need to worry about deleting data we don't have permission to read. |
| Cursor c = query(uri, ID_PROJECTION, selection, selectionArgs, null); |
| ContentValues values = new ContentValues(); |
| values.put(Events._SYNC_DIRTY, "1"); |
| int count = 0; |
| try { |
| while(c.moveToNext()) { |
| long id = c.getLong(ID_INDEX); |
| long event_id = c.getLong(EVENT_ID_INDEX); |
| mDb.delete(table, "_id=?", new String[] {String.valueOf(id)}); |
| mDb.update("Events", values, "_id=?", new String[] {String.valueOf(event_id)}); |
| count++; |
| } |
| } finally { |
| c.close(); |
| } |
| return count; |
| } |
| |
| /** |
| * Update rows in a table and mark corresponding events as dirty. |
| * @param table The table to delete from |
| * @param values The values to update |
| * @param uri The URI specifying the rows |
| * @param selection for the query |
| * @param selectionArgs for the query |
| */ |
| private int updateInTable(String table, ContentValues values, Uri uri, String selection, |
| String[] selectionArgs) { |
| // Note that the query will return data according to the access restrictions, |
| // so we don't need to worry about deleting data we don't have permission to read. |
| Cursor c = query(uri, ID_PROJECTION, selection, selectionArgs, null); |
| ContentValues dirtyValues = new ContentValues(); |
| dirtyValues.put(Events._SYNC_DIRTY, "1"); |
| int count = 0; |
| try { |
| while(c.moveToNext()) { |
| long id = c.getLong(ID_INDEX); |
| long event_id = c.getLong(EVENT_ID_INDEX); |
| mDb.update(table, values, "_id=?", new String[] {String.valueOf(id)}); |
| mDb.update("Events", dirtyValues, "_id=?", new String[] {String.valueOf(event_id)}); |
| count++; |
| } |
| } finally { |
| c.close(); |
| } |
| return count; |
| } |
| |
| private int deleteMatchingCalendars(String where) { |
| // query to find all the calendars that match, for each |
| // - delete calendar subscription |
| // - delete calendar |
| |
| Cursor c = mDb.query("Calendars", sCalendarsIdProjection, where, |
| null /* selectionArgs */, null /* groupBy */, |
| null /* having */, null /* sortOrder */); |
| if (c == null) { |
| return 0; |
| } |
| try { |
| while (c.moveToNext()) { |
| long id = c.getLong(CALENDARS_INDEX_ID); |
| modifyCalendarSubscription(id, false /* not selected */); |
| } |
| } finally { |
| c.close(); |
| } |
| return mDb.delete("Calendars", where, null /* whereArgs */); |
| } |
| |
| // TODO: call calculateLastDate()! |
| @Override |
| protected int updateInTransaction(Uri uri, ContentValues values, String selection, |
| String[] selectionArgs) { |
| if (Log.isLoggable(TAG, Log.VERBOSE)) { |
| Log.v(TAG, "updateInTransaction: " + uri); |
| } |
| |
| int count = 0; |
| |
| final int match = sUriMatcher.match(uri); |
| |
| final boolean callerIsSyncAdapter = |
| readBooleanQueryParameter(uri, Calendar.CALLER_IS_SYNCADAPTER, false); |
| |
| // TODO: remove this restriction |
| if (!TextUtils.isEmpty(selection) && match != CALENDAR_ALERTS && match != EVENTS) { |
| throw new IllegalArgumentException( |
| "WHERE based updates not supported"); |
| } |
| switch (match) { |
| case SYNCSTATE: |
| return mDbHelper.getSyncState().update(mDb, values, |
| appendAccountToSelection(uri, selection), selectionArgs); |
| |
| case SYNCSTATE_ID: { |
| selection = appendAccountToSelection(uri, selection); |
| String selectionWithId = (BaseColumns._ID + "=?") |
| + (selection == null ? "" : " AND (" + selection + ")"); |
| // Prepend id to selectionArgs |
| selectionArgs = insertSelectionArg(selectionArgs, |
| String.valueOf(ContentUris.parseId(uri))); |
| return mDbHelper.getSyncState().update(mDb, values, selectionWithId, selectionArgs); |
| } |
| |
| case CALENDARS_ID: |
| { |
| if (selection != null) { |
| throw new UnsupportedOperationException("Selection not permitted for " + uri); |
| } |
| long id = ContentUris.parseId(uri); |
| Integer syncEvents = values.getAsInteger(Calendars.SYNC_EVENTS); |
| if (syncEvents != null) { |
| modifyCalendarSubscription(id, syncEvents == 1); |
| } |
| |
| int result = mDb.update("Calendars", values, "_id=?", |
| new String[] {String.valueOf(id)}); |
| |
| return result; |
| } |
| case EVENTS: |
| case EVENTS_ID: |
| { |
| long id = 0; |
| if (match == EVENTS_ID) { |
| id = ContentUris.parseId(uri); |
| } else if (callerIsSyncAdapter) { |
| if (selection != null && selection.startsWith("_id=")) { |
| // The ContentProviderOperation generates an _id=n string instead of |
| // adding the id to the URL, so parse that out here. |
| id = Long.parseLong(selection.substring(4)); |
| } else { |
| // Sync adapter Events operation affects just Events table, not associated |
| // tables. |
| if (fixAllDayTime(uri, values)) { |
| Log.w(TAG, "updateInTransaction: Caller is sync adapter. " + |
| "allDay is true but sec, min, hour were not 0."); |
| } |
| return mDb.update("Events", values, selection, selectionArgs); |
| } |
| } else { |
| throw new IllegalArgumentException("Unknown URL " + uri); |
| } |
| if (!callerIsSyncAdapter) { |
| values.put(Events._SYNC_DIRTY, 1); |
| } |
| // Disallow updating the attendee status in the Events |
| // table. In the future, we could support this but we |
| // would have to query and update the attendees table |
| // to keep the values consistent. |
| if (values.containsKey(Events.SELF_ATTENDEE_STATUS)) { |
| throw new IllegalArgumentException("Updating " |
| + Events.SELF_ATTENDEE_STATUS |
| + " in Events table is not allowed."); |
| } |
| |
| // TODO: should we allow this? |
| if (values.containsKey(Events.HTML_URI) && !callerIsSyncAdapter) { |
| throw new IllegalArgumentException("Updating " |
| + Events.HTML_URI |
| + " in Events table is not allowed."); |
| } |
| ContentValues updatedValues = new ContentValues(values); |
| // TODO: should extend validateEventData to work with updates and call it here |
| updatedValues = updateLastDate(updatedValues); |
| if (updatedValues == null) { |
| Log.w(TAG, "Could not update event."); |
| return 0; |
| } |
| // Make sure we pass in a uri with the id appended to fixAllDayTime |
| Uri allDayUri; |
| if (uri.getPathSegments().size() == 1) { |
| allDayUri = ContentUris.withAppendedId(uri, id); |
| } else { |
| allDayUri = uri; |
| } |
| if (fixAllDayTime(allDayUri, updatedValues)) { |
| Log.w(TAG, "updateInTransaction: " + |
| "allDay is true but sec, min, hour were not 0."); |
| } |
| |
| int result = mDb.update("Events", updatedValues, "_id=?", |
| new String[] {String.valueOf(id)}); |
| if (result > 0) { |
| updateEventRawTimesLocked(id, updatedValues); |
| updateInstancesLocked(updatedValues, id, false /* not a new event */, mDb); |
| |
| if (values.containsKey(Events.DTSTART)) { |
| // The start time of the event changed, so run the |
| // event alarm scheduler. |
| if (Log.isLoggable(TAG, Log.DEBUG)) { |
| Log.d(TAG, "updateInternal() changing event"); |
| } |
| scheduleNextAlarm(false /* do not remove alarms */); |
| triggerAppWidgetUpdate(id); |
| } |
| } |
| return result; |
| } |
| case ATTENDEES_ID: { |
| if (selection != null) { |
| throw new UnsupportedOperationException("Selection not permitted for " + uri); |
| } |
| // Copy the attendee status value to the Events table. |
| updateEventAttendeeStatus(mDb, values); |
| |
| if (callerIsSyncAdapter) { |
| long id = ContentUris.parseId(uri); |
| return mDb.update("Attendees", values, "_id=?", |
| new String[] {String.valueOf(id)}); |
| } else { |
| return updateInTable("Attendees", values, uri, null /* selection */, |
| null /* selectionArgs */); |
| } |
| } |
| case CALENDAR_ALERTS_ID: { |
| if (selection != null) { |
| throw new UnsupportedOperationException("Selection not permitted for " + uri); |
| } |
| // Note: dirty bit is not set for Alerts because it is not synced. |
| // It is generated from Reminders, which is synced. |
| long id = ContentUris.parseId(uri); |
| return mDb.update("CalendarAlerts", values, "_id=?", |
| new String[] {String.valueOf(id)}); |
| } |
| case CALENDAR_ALERTS: { |
| // Note: dirty bit is not set for Alerts because it is not synced. |
| // It is generated from Reminders, which is synced. |
| return mDb.update("CalendarAlerts", values, selection, selectionArgs); |
| } |
| case REMINDERS_ID: { |
| if (selection != null) { |
| throw new UnsupportedOperationException("Selection not permitted for " + uri); |
| } |
| if (callerIsSyncAdapter) { |
| long id = ContentUris.parseId(uri); |
| count = mDb.update("Reminders", values, "_id=?", |
| new String[] {String.valueOf(id)}); |
| } else { |
| count = updateInTable("Reminders", values, uri, null /* selection */, |
| null /* selectionArgs */); |
| } |
| |
| // Reschedule the event alarms because the |
| // "minutes" field may have changed. |
| if (Log.isLoggable(TAG, Log.DEBUG)) { |
| Log.d(TAG, "updateInternal() changing reminder"); |
| } |
| scheduleNextAlarm(false /* do not remove alarms */); |
| return count; |
| } |
| case EXTENDED_PROPERTIES_ID: { |
| if (selection != null) { |
| throw new UnsupportedOperationException("Selection not permitted for " + uri); |
| } |
| if (callerIsSyncAdapter) { |
| long id = ContentUris.parseId(uri); |
| return mDb.update("ExtendedProperties", values, "_id=?", |
| new String[] {String.valueOf(id)}); |
| } else { |
| return updateInTable("ExtendedProperties", values, uri, null /* selection */, |
| null /* selectionArgs */); |
| } |
| } |
| // TODO: replace the SCHEDULE_ALARM private URIs with a |
| // service |
| case SCHEDULE_ALARM: { |
| scheduleNextAlarm(false); |
| return 0; |
| } |
| case SCHEDULE_ALARM_REMOVE: { |
| scheduleNextAlarm(true); |
| return 0; |
| } |
| |
| default: |
| throw new IllegalArgumentException("Unknown URL " + uri); |
| } |
| } |
| |
| private void appendAccountFromParameter(SQLiteQueryBuilder qb, Uri uri) { |
| final String accountName = getQueryParameter(uri, Calendar.EventsEntity.ACCOUNT_NAME); |
| final String accountType = getQueryParameter(uri, Calendar.EventsEntity.ACCOUNT_TYPE); |
| if (!TextUtils.isEmpty(accountName)) { |
| qb.appendWhere(Calendar.Calendars._SYNC_ACCOUNT + "=" |
| + DatabaseUtils.sqlEscapeString(accountName) + " AND " |
| + Calendar.Calendars._SYNC_ACCOUNT_TYPE + "=" |
| + DatabaseUtils.sqlEscapeString(accountType)); |
| } else { |
| qb.appendWhere("1"); // I.e. always true |
| } |
| } |
| |
| private String appendAccountToSelection(Uri uri, String selection) { |
| final String accountName = getQueryParameter(uri, Calendar.EventsEntity.ACCOUNT_NAME); |
| final String accountType = getQueryParameter(uri, Calendar.EventsEntity.ACCOUNT_TYPE); |
| if (!TextUtils.isEmpty(accountName)) { |
| StringBuilder selectionSb = new StringBuilder(Calendar.Calendars._SYNC_ACCOUNT + "=" |
| + DatabaseUtils.sqlEscapeString(accountName) + " AND " |
| + Calendar.Calendars._SYNC_ACCOUNT_TYPE + "=" |
| + DatabaseUtils.sqlEscapeString(accountType)); |
| if (!TextUtils.isEmpty(selection)) { |
| selectionSb.append(" AND ("); |
| selectionSb.append(selection); |
| selectionSb.append(')'); |
| } |
| return selectionSb.toString(); |
| } else { |
| return selection; |
| } |
| } |
| |
| private void modifyCalendarSubscription(long id, boolean syncEvents) { |
| // get the account, url, and current selected state |
| // for this calendar. |
| Cursor cursor = query(ContentUris.withAppendedId(Calendars.CONTENT_URI, id), |
| new String[] {Calendars._SYNC_ACCOUNT, Calendars._SYNC_ACCOUNT_TYPE, |
| Calendars.URL, Calendars.SYNC_EVENTS}, |
| null /* selection */, |
| null /* selectionArgs */, |
| null /* sort */); |
| |
| Account account = null; |
| String calendarUrl = null; |
| boolean oldSyncEvents = false; |
| if (cursor != null) { |
| try { |
| if (cursor.moveToFirst()) { |
| final String accountName = cursor.getString(0); |
| final String accountType = cursor.getString(1); |
| account = new Account(accountName, accountType); |
| calendarUrl = cursor.getString(2); |
| oldSyncEvents = (cursor.getInt(3) != 0); |
| } |
| } finally { |
| cursor.close(); |
| } |
| } |
| |
| if (account == null) { |
| // should not happen? |
| Log.w(TAG, "Cannot update subscription because account " |
| + "is empty -- should not happen."); |
| return; |
| } |
| |
| if (TextUtils.isEmpty(calendarUrl)) { |
| // Passing in a null Url will cause it to not add any extras |
| // Should only happen for non-google calendars. |
| calendarUrl = null; |
| } |
| |
| if (oldSyncEvents == syncEvents) { |
| // nothing to do |
| return; |
| } |
| |
| // If the calendar is not selected for syncing, then don't download |
| // events. |
| mDbHelper.scheduleSync(account, !syncEvents, calendarUrl); |
| } |
| |
| // TODO: is this needed |
| // @Override |
| // public void onSyncStop(SyncContext context, boolean success) { |
| // super.onSyncStop(context, success); |
| // if (Log.isLoggable(TAG, Log.DEBUG)) { |
| // Log.d(TAG, "onSyncStop() success: " + success); |
| // } |
| // scheduleNextAlarm(false /* do not remove alarms */); |
| // triggerAppWidgetUpdate(-1); |
| // } |
| |
| /** |
| * Update any existing widgets with the changed events. |
| * |
| * @param changedEventId Specific event known to be changed, otherwise -1. |
| * If present, we use it to decide if an update is necessary. |
| */ |
| private synchronized void triggerAppWidgetUpdate(long changedEventId) { |
| Context context = getContext(); |
| if (context != null) { |
| mAppWidgetProvider.providerUpdated(context, changedEventId); |
| } |
| } |
| |
| /* Retrieve and cache the alarm manager */ |
| private AlarmManager getAlarmManager() { |
| synchronized(mAlarmLock) { |
| if (mAlarmManager == null) { |
| Context context = getContext(); |
| if (context == null) { |
| Log.e(TAG, "getAlarmManager() cannot get Context"); |
| return null; |
| } |
| Object service = context.getSystemService(Context.ALARM_SERVICE); |
| mAlarmManager = (AlarmManager) service; |
| } |
| return mAlarmManager; |
| } |
| } |
| |
| void scheduleNextAlarmCheck(long triggerTime) { |
| AlarmManager manager = getAlarmManager(); |
| if (manager == null) { |
| Log.e(TAG, "scheduleNextAlarmCheck() cannot get AlarmManager"); |
| return; |
| } |
| Context context = getContext(); |
| Intent intent = new Intent(CalendarReceiver.SCHEDULE); |
| intent.setClass(context, CalendarReceiver.class); |
| PendingIntent pending = PendingIntent.getBroadcast(context, |
| 0, intent, PendingIntent.FLAG_NO_CREATE); |
| if (pending != null) { |
| // Cancel any previous alarms that do the same thing. |
| manager.cancel(pending); |
| } |
| pending = PendingIntent.getBroadcast(context, |
| 0, intent, PendingIntent.FLAG_CANCEL_CURRENT); |
| |
| if (Log.isLoggable(TAG, Log.DEBUG)) { |
| Time time = new Time(); |
| time.set(triggerTime); |
| String timeStr = time.format(" %a, %b %d, %Y %I:%M%P"); |
| Log.d(TAG, "scheduleNextAlarmCheck at: " + triggerTime + timeStr); |
| } |
| |
| manager.set(AlarmManager.RTC_WAKEUP, triggerTime, pending); |
| } |
| |
| /* |
| * This method runs the alarm scheduler in a background thread. |
| */ |
| void scheduleNextAlarm(boolean removeAlarms) { |
| Thread thread = new AlarmScheduler(removeAlarms); |
| thread.start(); |
| } |
| |
| /** |
| * This method runs in a background thread and schedules an alarm for |
| * the next calendar event, if necessary. |
| */ |
| private void runScheduleNextAlarm(boolean removeAlarms) { |
| final SQLiteDatabase db = mDbHelper.getWritableDatabase(); |
| db.beginTransaction(); |
| try { |
| if (removeAlarms) { |
| removeScheduledAlarmsLocked(db); |
| } |
| scheduleNextAlarmLocked(db); |
| db.setTransactionSuccessful(); |
| } finally { |
| db.endTransaction(); |
| } |
| } |
| |
| /** |
| * This method looks at the 24-hour window from now for any events that it |
| * needs to schedule. This method runs within a database transaction. It |
| * also runs in a background thread. |
| * |
| * The CalendarProvider2 keeps track of which alarms it has already scheduled |
| * to avoid scheduling them more than once and for debugging problems with |
| * alarms. It stores this knowledge in a database table called CalendarAlerts |
| * which persists across reboots. But the actual alarm list is in memory |
| * and disappears if the phone loses power. To avoid missing an alarm, we |
| * clear the entries in the CalendarAlerts table when we start up the |
| * CalendarProvider2. |
| * |
| * Scheduling an alarm multiple times is not tragic -- we filter out the |
| * extra ones when we receive them. But we still need to keep track of the |
| * scheduled alarms. The main reason is that we need to prevent multiple |
| * notifications for the same alarm (on the receive side) in case we |
| * accidentally schedule the same alarm multiple times. We don't have |
| * visibility into the system's alarm list so we can never know for sure if |
| * we have already scheduled an alarm and it's better to err on scheduling |
| * an alarm twice rather than missing an alarm. Another reason we keep |
| * track of scheduled alarms in a database table is that it makes it easy to |
| * run an SQL query to find the next reminder that we haven't scheduled. |
| * |
| * @param db the database |
| */ |
| private void scheduleNextAlarmLocked(SQLiteDatabase db) { |
| AlarmManager alarmManager = getAlarmManager(); |
| if (alarmManager == null) { |
| Log.e(TAG, "Failed to find the AlarmManager. Could not schedule the next alarm!"); |
| return; |
| } |
| |
| final long currentMillis = System.currentTimeMillis(); |
| final long start = currentMillis - SCHEDULE_ALARM_SLACK; |
| final long end = start + (24 * 60 * 60 * 1000); |
| ContentResolver cr = getContext().getContentResolver(); |
| if (Log.isLoggable(TAG, Log.DEBUG)) { |
| Time time = new Time(); |
| time.set(start); |
| String startTimeStr = time.format(" %a, %b %d, %Y %I:%M%P"); |
| Log.d(TAG, "runScheduleNextAlarm() start search: " + startTimeStr); |
| } |
| |
| // Delete rows in CalendarAlert where the corresponding Instance or |
| // Reminder no longer exist. |
| // Also clear old alarms but keep alarms around for a while to prevent |
| // multiple alerts for the same reminder. The "clearUpToTime' |
| // should be further in the past than the point in time where |
| // we start searching for events (the "start" variable defined above). |
| String selectArg[] = new String[] { |
| Long.toString(currentMillis - CLEAR_OLD_ALARM_THRESHOLD) |
| }; |
| |
| int rowsDeleted = |
| db.delete(CalendarAlerts.TABLE_NAME, INVALID_CALENDARALERTS_SELECTOR, selectArg); |
| |
| long nextAlarmTime = end; |
| final long tmpAlarmTime = CalendarAlerts.findNextAlarmTime(cr, currentMillis); |
| if (tmpAlarmTime != -1 && tmpAlarmTime < nextAlarmTime) { |
| nextAlarmTime = tmpAlarmTime; |
| } |
| |
| // Extract events from the database sorted by alarm time. The |
| // alarm times are computed from Instances.begin (whose units |
| // are milliseconds) and Reminders.minutes (whose units are |
| // minutes). |
| // |
| // Also, ignore events whose end time is already in the past. |
| // Also, ignore events alarms that we have already scheduled. |
| // |
| // Note 1: we can add support for the case where Reminders.minutes |
| // equals -1 to mean use Calendars.minutes by adding a UNION for |
| // that case where the two halves restrict the WHERE clause on |
| // Reminders.minutes != -1 and Reminders.minutes = 1, respectively. |
| // |
| // Note 2: we have to name "myAlarmTime" different from the |
| // "alarmTime" column in CalendarAlerts because otherwise the |
| // query won't find multiple alarms for the same event. |
| // |
| // The CAST is needed in the query because otherwise the expression |
| // will be untyped and sqlite3's manifest typing will not convert the |
| // string query parameter to an int in myAlarmtime>=?, so the comparison |
| // will fail. This could be simplified if bug 2464440 is resolved. |
| String query = "SELECT begin-(minutes*60000) AS myAlarmTime," |
| + " Instances.event_id AS eventId, begin, end," |
| + " title, allDay, method, minutes" |
| + " FROM Instances INNER JOIN Events" |
| + " ON (Events._id = Instances.event_id)" |
| + " INNER JOIN Reminders" |
| + " ON (Instances.event_id = Reminders.event_id)" |
| + " WHERE method=" + Reminders.METHOD_ALERT |
| + " AND myAlarmTime>=CAST(? AS INT)" |
| + " AND myAlarmTime<=CAST(? AS INT)" |
| + " AND end>=?" |
| + " AND 0=(SELECT count(*) from CalendarAlerts CA" |
| + " where CA.event_id=Instances.event_id AND CA.begin=Instances.begin" |
| + " AND CA.alarmTime=myAlarmTime)" |
| + " ORDER BY myAlarmTime,begin,title"; |
| String queryParams[] = new String[] {String.valueOf(start), String.valueOf(nextAlarmTime), |
| String.valueOf(currentMillis)}; |
| |
| acquireInstanceRangeLocked(start, |
| end, |
| false /* don't use minimum expansion windows */, |
| false /* do not force Instances deletion and expansion */); |
| Cursor cursor = null; |
| try { |
| cursor = db.rawQuery(query, queryParams); |
| |
| final int beginIndex = cursor.getColumnIndex(Instances.BEGIN); |
| final int endIndex = cursor.getColumnIndex(Instances.END); |
| final int eventIdIndex = cursor.getColumnIndex("eventId"); |
| final int alarmTimeIndex = cursor.getColumnIndex("myAlarmTime"); |
| final int minutesIndex = cursor.getColumnIndex(Reminders.MINUTES); |
| |
| if (Log.isLoggable(TAG, Log.DEBUG)) { |
| Time time = new Time(); |
| time.set(nextAlarmTime); |
| String alarmTimeStr = time.format(" %a, %b %d, %Y %I:%M%P"); |
| Log.d(TAG, "cursor results: " + cursor.getCount() + " nextAlarmTime: " |
| + alarmTimeStr); |
| } |
| |
| while (cursor.moveToNext()) { |
| // Schedule all alarms whose alarm time is as early as any |
| // scheduled alarm. For example, if the earliest alarm is at |
| // 1pm, then we will schedule all alarms that occur at 1pm |
| // but no alarms that occur later than 1pm. |
| // Actually, we allow alarms up to a minute later to also |
| // be scheduled so that we don't have to check immediately |
| // again after an event alarm goes off. |
| final long alarmTime = cursor.getLong(alarmTimeIndex); |
| final long eventId = cursor.getLong(eventIdIndex); |
| final int minutes = cursor.getInt(minutesIndex); |
| final long startTime = cursor.getLong(beginIndex); |
| final long endTime = cursor.getLong(endIndex); |
| |
| if (Log.isLoggable(TAG, Log.DEBUG)) { |
| Time time = new Time(); |
| time.set(alarmTime); |
| String schedTime = time.format(" %a, %b %d, %Y %I:%M%P"); |
| time.set(startTime); |
| String startTimeStr = time.format(" %a, %b %d, %Y %I:%M%P"); |
| |
| Log.d(TAG, " looking at id: " + eventId + " " + startTime + startTimeStr |
| + " alarm: " + alarmTime + schedTime); |
| } |
| |
| if (alarmTime < nextAlarmTime) { |
| nextAlarmTime = alarmTime; |
| } else if (alarmTime > |
| nextAlarmTime + DateUtils.MINUTE_IN_MILLIS) { |
| // This event alarm (and all later ones) will be scheduled |
| // later. |
| if (Log.isLoggable(TAG, Log.DEBUG)) { |
| Log.d(TAG, "This event alarm (and all later ones) will be scheduled later"); |
| } |
| break; |
| } |
| |
| // Avoid an SQLiteContraintException by checking if this alarm |
| // already exists in the table. |
| if (CalendarAlerts.alarmExists(cr, eventId, startTime, alarmTime)) { |
| if (Log.isLoggable(TAG, Log.DEBUG)) { |
| int titleIndex = cursor.getColumnIndex(Events.TITLE); |
| String title = cursor.getString(titleIndex); |
| Log.d(TAG, " alarm exists for id: " + eventId + " " + title); |
| } |
| continue; |
| } |
| |
| // Insert this alarm into the CalendarAlerts table |
| Uri uri = CalendarAlerts.insert(cr, eventId, startTime, |
| endTime, alarmTime, minutes); |
| if (uri == null) { |
| Log.e(TAG, "runScheduleNextAlarm() insert into CalendarAlerts table failed"); |
| continue; |
| } |
| |
| CalendarAlerts.scheduleAlarm(getContext(), alarmManager, alarmTime); |
| } |
| } finally { |
| if (cursor != null) { |
| cursor.close(); |
| } |
| } |
| |
| // Refresh notification bar |
| if (rowsDeleted > 0) { |
| CalendarAlerts.scheduleAlarm(getContext(), alarmManager, currentMillis); |
| } |
| |
| // If we scheduled an event alarm, then schedule the next alarm check |
| // for one minute past that alarm. Otherwise, if there were no |
| // event alarms scheduled, then check again in 24 hours. If a new |
| // event is inserted before the next alarm check, then this method |
| // will be run again when the new event is inserted. |
| if (nextAlarmTime != Long.MAX_VALUE) { |
| scheduleNextAlarmCheck(nextAlarmTime + DateUtils.MINUTE_IN_MILLIS); |
| } else { |
| scheduleNextAlarmCheck(currentMillis + DateUtils.DAY_IN_MILLIS); |
| } |
| } |
| |
| /** |
| * Removes the entries in the CalendarAlerts table for alarms that we have |
| * scheduled but that have not fired yet. We do this to ensure that we |
| * don't miss an alarm. The CalendarAlerts table keeps track of the |
| * alarms that we have scheduled but the actual alarm list is in memory |
| * and will be cleared if the phone reboots. |
| * |
| * We don't need to remove entries that have already fired, and in fact |
| * we should not remove them because we need to display the notifications |
| * until the user dismisses them. |
| * |
| * We could remove entries that have fired and been dismissed, but we leave |
| * them around for a while because it makes it easier to debug problems. |
| * Entries that are old enough will be cleaned up later when we schedule |
| * new alarms. |
| */ |
| private void removeScheduledAlarmsLocked(SQLiteDatabase db) { |
| if (Log.isLoggable(TAG, Log.DEBUG)) { |
| Log.d(TAG, "removing scheduled alarms"); |
| } |
| db.delete(CalendarAlerts.TABLE_NAME, |
| CalendarAlerts.STATE + "=" + CalendarAlerts.SCHEDULED, null /* whereArgs */); |
| } |
| |
| private static String sEventsTable = "Events"; |
| private static String sAttendeesTable = "Attendees"; |
| private static String sRemindersTable = "Reminders"; |
| private static String sCalendarAlertsTable = "CalendarAlerts"; |
| private static String sExtendedPropertiesTable = "ExtendedProperties"; |
| |
| private static final int EVENTS = 1; |
| private static final int EVENTS_ID = 2; |
| private static final int INSTANCES = 3; |
| private static final int DELETED_EVENTS = 4; |
| private static final int CALENDARS = 5; |
| private static final int CALENDARS_ID = 6; |
| private static final int ATTENDEES = 7; |
| private static final int ATTENDEES_ID = 8; |
| private static final int REMINDERS = 9; |
| private static final int REMINDERS_ID = 10; |
| private static final int EXTENDED_PROPERTIES = 11; |
| private static final int EXTENDED_PROPERTIES_ID = 12; |
| private static final int CALENDAR_ALERTS = 13; |
| private static final int CALENDAR_ALERTS_ID = 14; |
| private static final int CALENDAR_ALERTS_BY_INSTANCE = 15; |
| private static final int INSTANCES_BY_DAY = 16; |
| private static final int SYNCSTATE = 17; |
| private static final int SYNCSTATE_ID = 18; |
| private static final int EVENT_ENTITIES = 19; |
| private static final int EVENT_ENTITIES_ID = 20; |
| private static final int EVENT_DAYS = 21; |
| private static final int SCHEDULE_ALARM = 22; |
| private static final int SCHEDULE_ALARM_REMOVE = 23; |
| private static final int TIME = 24; |
| |
| private static final UriMatcher sUriMatcher = new UriMatcher(UriMatcher.NO_MATCH); |
| private static final HashMap<String, String> sInstancesProjectionMap; |
| private static final HashMap<String, String> sEventsProjectionMap; |
| private static final HashMap<String, String> sEventEntitiesProjectionMap; |
| private static final HashMap<String, String> sAttendeesProjectionMap; |
| private static final HashMap<String, String> sRemindersProjectionMap; |
| private static final HashMap<String, String> sCalendarAlertsProjectionMap; |
| |
| static { |
| sUriMatcher.addURI(Calendar.AUTHORITY, "instances/when/*/*", INSTANCES); |
| sUriMatcher.addURI(Calendar.AUTHORITY, "instances/whenbyday/*/*", INSTANCES_BY_DAY); |
| sUriMatcher.addURI(Calendar.AUTHORITY, "instances/groupbyday/*/*", EVENT_DAYS); |
| sUriMatcher.addURI(Calendar.AUTHORITY, "events", EVENTS); |
| sUriMatcher.addURI(Calendar.AUTHORITY, "events/#", EVENTS_ID); |
| sUriMatcher.addURI(Calendar.AUTHORITY, "event_entities", EVENT_ENTITIES); |
| sUriMatcher.addURI(Calendar.AUTHORITY, "event_entities/#", EVENT_ENTITIES_ID); |
| sUriMatcher.addURI(Calendar.AUTHORITY, "calendars", CALENDARS); |
| sUriMatcher.addURI(Calendar.AUTHORITY, "calendars/#", CALENDARS_ID); |
| sUriMatcher.addURI(Calendar.AUTHORITY, "deleted_events", DELETED_EVENTS); |
| sUriMatcher.addURI(Calendar.AUTHORITY, "attendees", ATTENDEES); |
| sUriMatcher.addURI(Calendar.AUTHORITY, "attendees/#", ATTENDEES_ID); |
| sUriMatcher.addURI(Calendar.AUTHORITY, "reminders", REMINDERS); |
| sUriMatcher.addURI(Calendar.AUTHORITY, "reminders/#", REMINDERS_ID); |
| sUriMatcher.addURI(Calendar.AUTHORITY, "extendedproperties", EXTENDED_PROPERTIES); |
| sUriMatcher.addURI(Calendar.AUTHORITY, "extendedproperties/#", EXTENDED_PROPERTIES_ID); |
| sUriMatcher.addURI(Calendar.AUTHORITY, "calendar_alerts", CALENDAR_ALERTS); |
| sUriMatcher.addURI(Calendar.AUTHORITY, "calendar_alerts/#", CALENDAR_ALERTS_ID); |
| sUriMatcher.addURI(Calendar.AUTHORITY, "calendar_alerts/by_instance", |
| CALENDAR_ALERTS_BY_INSTANCE); |
| sUriMatcher.addURI(Calendar.AUTHORITY, "syncstate", SYNCSTATE); |
| sUriMatcher.addURI(Calendar.AUTHORITY, "syncstate/#", SYNCSTATE_ID); |
| sUriMatcher.addURI(Calendar.AUTHORITY, SCHEDULE_ALARM_PATH, SCHEDULE_ALARM); |
| sUriMatcher.addURI(Calendar.AUTHORITY, SCHEDULE_ALARM_REMOVE_PATH, SCHEDULE_ALARM_REMOVE); |
| sUriMatcher.addURI(Calendar.AUTHORITY, "time/#", TIME); |
| sUriMatcher.addURI(Calendar.AUTHORITY, "time", TIME); |
| |
| sEventsProjectionMap = new HashMap<String, String>(); |
| // Events columns |
| sEventsProjectionMap.put(Events.HTML_URI, "htmlUri"); |
| sEventsProjectionMap.put(Events.TITLE, "title"); |
| sEventsProjectionMap.put(Events.EVENT_LOCATION, "eventLocation"); |
| sEventsProjectionMap.put(Events.DESCRIPTION, "description"); |
| sEventsProjectionMap.put(Events.STATUS, "eventStatus"); |
| sEventsProjectionMap.put(Events.SELF_ATTENDEE_STATUS, "selfAttendeeStatus"); |
| sEventsProjectionMap.put(Events.COMMENTS_URI, "commentsUri"); |
| sEventsProjectionMap.put(Events.DTSTART, "dtstart"); |
| sEventsProjectionMap.put(Events.DTEND, "dtend"); |
| sEventsProjectionMap.put(Events.EVENT_TIMEZONE, "eventTimezone"); |
| sEventsProjectionMap.put(Events.DURATION, "duration"); |
| sEventsProjectionMap.put(Events.ALL_DAY, "allDay"); |
| sEventsProjectionMap.put(Events.VISIBILITY, "visibility"); |
| sEventsProjectionMap.put(Events.TRANSPARENCY, "transparency"); |
| sEventsProjectionMap.put(Events.HAS_ALARM, "hasAlarm"); |
| sEventsProjectionMap.put(Events.HAS_EXTENDED_PROPERTIES, "hasExtendedProperties"); |
| sEventsProjectionMap.put(Events.RRULE, "rrule"); |
| sEventsProjectionMap.put(Events.RDATE, "rdate"); |
| sEventsProjectionMap.put(Events.EXRULE, "exrule"); |
| sEventsProjectionMap.put(Events.EXDATE, "exdate"); |
| sEventsProjectionMap.put(Events.ORIGINAL_EVENT, "originalEvent"); |
| sEventsProjectionMap.put(Events.ORIGINAL_INSTANCE_TIME, "originalInstanceTime"); |
| sEventsProjectionMap.put(Events.ORIGINAL_ALL_DAY, "originalAllDay"); |
| sEventsProjectionMap.put(Events.LAST_DATE, "lastDate"); |
| sEventsProjectionMap.put(Events.HAS_ATTENDEE_DATA, "hasAttendeeData"); |
| sEventsProjectionMap.put(Events.CALENDAR_ID, "calendar_id"); |
| sEventsProjectionMap.put(Events.GUESTS_CAN_INVITE_OTHERS, "guestsCanInviteOthers"); |
| sEventsProjectionMap.put(Events.GUESTS_CAN_MODIFY, "guestsCanModify"); |
| sEventsProjectionMap.put(Events.GUESTS_CAN_SEE_GUESTS, "guestsCanSeeGuests"); |
| sEventsProjectionMap.put(Events.ORGANIZER, "organizer"); |
| sEventsProjectionMap.put(Events.DELETED, "deleted"); |
| |
| // Put the shared items into the Attendees, Reminders projection map |
| sAttendeesProjectionMap = new HashMap<String, String>(sEventsProjectionMap); |
| sRemindersProjectionMap = new HashMap<String, String>(sEventsProjectionMap); |
| |
| // Calendar columns |
| sEventsProjectionMap.put(Calendars.COLOR, "color"); |
| sEventsProjectionMap.put(Calendars.ACCESS_LEVEL, "access_level"); |
| sEventsProjectionMap.put(Calendars.SELECTED, "selected"); |
| sEventsProjectionMap.put(Calendars.URL, "url"); |
| sEventsProjectionMap.put(Calendars.TIMEZONE, "timezone"); |
| sEventsProjectionMap.put(Calendars.OWNER_ACCOUNT, "ownerAccount"); |
| |
| // Put the shared items into the Instances projection map |
| // The Instances and CalendarAlerts are joined with Calendars, so the projections include |
| // the above Calendar columns. |
| sInstancesProjectionMap = new HashMap<String, String>(sEventsProjectionMap); |
| sCalendarAlertsProjectionMap = new HashMap<String, String>(sEventsProjectionMap); |
| |
| sEventsProjectionMap.put(Events._ID, "_id"); |
| sEventsProjectionMap.put(Events._SYNC_ID, "_sync_id"); |
| sEventsProjectionMap.put(Events._SYNC_VERSION, "_sync_version"); |
| sEventsProjectionMap.put(Events._SYNC_TIME, "_sync_time"); |
| sEventsProjectionMap.put(Events._SYNC_DATA, "_sync_local_id"); |
| sEventsProjectionMap.put(Events._SYNC_DIRTY, "_sync_dirty"); |
| sEventsProjectionMap.put(Events._SYNC_ACCOUNT, "_sync_account"); |
| sEventsProjectionMap.put(Events._SYNC_ACCOUNT_TYPE, |
| "_sync_account_type"); |
| |
| sEventEntitiesProjectionMap = new HashMap<String, String>(); |
| sEventEntitiesProjectionMap.put(Events.HTML_URI, "htmlUri"); |
| sEventEntitiesProjectionMap.put(Events.TITLE, "title"); |
| sEventEntitiesProjectionMap.put(Events.DESCRIPTION, "description"); |
| sEventEntitiesProjectionMap.put(Events.EVENT_LOCATION, "eventLocation"); |
| sEventEntitiesProjectionMap.put(Events.STATUS, "eventStatus"); |
| sEventEntitiesProjectionMap.put(Events.SELF_ATTENDEE_STATUS, "selfAttendeeStatus"); |
| sEventEntitiesProjectionMap.put(Events.COMMENTS_URI, "commentsUri"); |
| sEventEntitiesProjectionMap.put(Events.DTSTART, "dtstart"); |
| sEventEntitiesProjectionMap.put(Events.DTEND, "dtend"); |
| sEventEntitiesProjectionMap.put(Events.DURATION, "duration"); |
| sEventEntitiesProjectionMap.put(Events.EVENT_TIMEZONE, "eventTimezone"); |
| sEventEntitiesProjectionMap.put(Events.ALL_DAY, "allDay"); |
| sEventEntitiesProjectionMap.put(Events.VISIBILITY, "visibility"); |
| sEventEntitiesProjectionMap.put(Events.TRANSPARENCY, "transparency"); |
| sEventEntitiesProjectionMap.put(Events.HAS_ALARM, "hasAlarm"); |
| sEventEntitiesProjectionMap.put(Events.HAS_EXTENDED_PROPERTIES, "hasExtendedProperties"); |
| sEventEntitiesProjectionMap.put(Events.RRULE, "rrule"); |
| sEventEntitiesProjectionMap.put(Events.RDATE, "rdate"); |
| sEventEntitiesProjectionMap.put(Events.EXRULE, "exrule"); |
| sEventEntitiesProjectionMap.put(Events.EXDATE, "exdate"); |
| sEventEntitiesProjectionMap.put(Events.ORIGINAL_EVENT, "originalEvent"); |
| sEventEntitiesProjectionMap.put(Events.ORIGINAL_INSTANCE_TIME, "originalInstanceTime"); |
| sEventEntitiesProjectionMap.put(Events.ORIGINAL_ALL_DAY, "originalAllDay"); |
| sEventEntitiesProjectionMap.put(Events.LAST_DATE, "lastDate"); |
| sEventEntitiesProjectionMap.put(Events.HAS_ATTENDEE_DATA, "hasAttendeeData"); |
| sEventEntitiesProjectionMap.put(Events.CALENDAR_ID, "calendar_id"); |
| sEventEntitiesProjectionMap.put(Events.GUESTS_CAN_INVITE_OTHERS, "guestsCanInviteOthers"); |
| sEventEntitiesProjectionMap.put(Events.GUESTS_CAN_MODIFY, "guestsCanModify"); |
| sEventEntitiesProjectionMap.put(Events.GUESTS_CAN_SEE_GUESTS, "guestsCanSeeGuests"); |
| sEventEntitiesProjectionMap.put(Events.ORGANIZER, "organizer"); |
| sEventEntitiesProjectionMap.put(Events.DELETED, "deleted"); |
| sEventEntitiesProjectionMap.put(Events._ID, Events._ID); |
| sEventEntitiesProjectionMap.put(Events._SYNC_ID, Events._SYNC_ID); |
| sEventEntitiesProjectionMap.put(Events._SYNC_DATA, Events._SYNC_DATA); |
| sEventEntitiesProjectionMap.put(Events._SYNC_VERSION, Events._SYNC_VERSION); |
| sEventEntitiesProjectionMap.put(Events._SYNC_DIRTY, Events._SYNC_DIRTY); |
| sEventEntitiesProjectionMap.put(Calendars.URL, "url"); |
| |
| // Instances columns |
| sInstancesProjectionMap.put(Instances.BEGIN, "begin"); |
| sInstancesProjectionMap.put(Instances.END, "end"); |
| sInstancesProjectionMap.put(Instances.EVENT_ID, "Instances.event_id AS event_id"); |
| sInstancesProjectionMap.put(Instances._ID, "Instances._id AS _id"); |
| sInstancesProjectionMap.put(Instances.START_DAY, "startDay"); |
| sInstancesProjectionMap.put(Instances.END_DAY, "endDay"); |
| sInstancesProjectionMap.put(Instances.START_MINUTE, "startMinute"); |
| sInstancesProjectionMap.put(Instances.END_MINUTE, "endMinute"); |
| |
| // Attendees columns |
| sAttendeesProjectionMap.put(Attendees.EVENT_ID, "event_id"); |
| sAttendeesProjectionMap.put(Attendees._ID, "Attendees._id AS _id"); |
| sAttendeesProjectionMap.put(Attendees.ATTENDEE_NAME, "attendeeName"); |
| sAttendeesProjectionMap.put(Attendees.ATTENDEE_EMAIL, "attendeeEmail"); |
| sAttendeesProjectionMap.put(Attendees.ATTENDEE_STATUS, "attendeeStatus"); |
| sAttendeesProjectionMap.put(Attendees.ATTENDEE_RELATIONSHIP, "attendeeRelationship"); |
| sAttendeesProjectionMap.put(Attendees.ATTENDEE_TYPE, "attendeeType"); |
| |
| // Reminders columns |
| sRemindersProjectionMap.put(Reminders.EVENT_ID, "event_id"); |
| sRemindersProjectionMap.put(Reminders._ID, "Reminders._id AS _id"); |
| sRemindersProjectionMap.put(Reminders.MINUTES, "minutes"); |
| sRemindersProjectionMap.put(Reminders.METHOD, "method"); |
| |
| // CalendarAlerts columns |
| sCalendarAlertsProjectionMap.put(CalendarAlerts.EVENT_ID, "event_id"); |
| sCalendarAlertsProjectionMap.put(CalendarAlerts._ID, "CalendarAlerts._id AS _id"); |
| sCalendarAlertsProjectionMap.put(CalendarAlerts.BEGIN, "begin"); |
| sCalendarAlertsProjectionMap.put(CalendarAlerts.END, "end"); |
| sCalendarAlertsProjectionMap.put(CalendarAlerts.ALARM_TIME, "alarmTime"); |
| sCalendarAlertsProjectionMap.put(CalendarAlerts.STATE, "state"); |
| sCalendarAlertsProjectionMap.put(CalendarAlerts.MINUTES, "minutes"); |
| } |
| |
| /** |
| * Make sure that there are no entries for accounts that no longer |
| * exist. We are overriding this since we need to delete from the |
| * Calendars table, which is not syncable, which has triggers that |
| * will delete from the Events and tables, which are |
| * syncable. TODO: update comment, make sure deletes don't get synced. |
| */ |
| public void onAccountsUpdated(Account[] accounts) { |
| mDb = mDbHelper.getWritableDatabase(); |
| if (mDb == null) return; |
| |
| HashMap<Account, Boolean> accountHasCalendar = new HashMap<Account, Boolean>(); |
| HashSet<Account> validAccounts = new HashSet<Account>(); |
| for (Account account : accounts) { |
| validAccounts.add(new Account(account.name, account.type)); |
| accountHasCalendar.put(account, false); |
| } |
| ArrayList<Account> accountsToDelete = new ArrayList<Account>(); |
| |
| mDb.beginTransaction(); |
| try { |
| |
| for (String table : new String[]{"Calendars"}) { |
| // Find all the accounts the contacts DB knows about, mark the ones that aren't |
| // in the valid set for deletion. |
| Cursor c = mDb.rawQuery("SELECT DISTINCT " + CalendarDatabaseHelper.ACCOUNT_NAME |
| + "," |
| + CalendarDatabaseHelper.ACCOUNT_TYPE + " from " |
| + table, null); |
| while (c.moveToNext()) { |
| if (c.getString(0) != null && c.getString(1) != null) { |
| Account currAccount = new Account(c.getString(0), c.getString(1)); |
| if (!validAccounts.contains(currAccount)) { |
| accountsToDelete.add(currAccount); |
| } |
| } |
| } |
| c.close(); |
| } |
| |
| for (Account account : accountsToDelete) { |
| Log.d(TAG, "removing data for removed account " + account); |
| String[] params = new String[]{account.name, account.type}; |
| mDb.execSQL("DELETE FROM Calendars" |
| + " WHERE " + CalendarDatabaseHelper.ACCOUNT_NAME + "= ? AND " |
| + CalendarDatabaseHelper.ACCOUNT_TYPE |
| + "= ?", params); |
| } |
| mDbHelper.getSyncState().onAccountsChanged(mDb, accounts); |
| mDb.setTransactionSuccessful(); |
| } finally { |
| mDb.endTransaction(); |
| } |
| } |
| |
| /* package */ static boolean readBooleanQueryParameter(Uri uri, String name, |
| boolean defaultValue) { |
| final String flag = getQueryParameter(uri, name); |
| return flag == null |
| ? defaultValue |
| : (!"false".equals(flag.toLowerCase()) && !"0".equals(flag.toLowerCase())); |
| } |
| |
| // Duplicated from ContactsProvider2. TODO: a utility class for shared code |
| /** |
| * A fast re-implementation of {@link Uri#getQueryParameter} |
| */ |
| /* package */ static String getQueryParameter(Uri uri, String parameter) { |
| String query = uri.getEncodedQuery(); |
| if (query == null) { |
| return null; |
| } |
| |
| int queryLength = query.length(); |
| int parameterLength = parameter.length(); |
| |
| String value; |
| int index = 0; |
| while (true) { |
| index = query.indexOf(parameter, index); |
| if (index == -1) { |
| return null; |
| } |
| |
| index += parameterLength; |
| |
| if (queryLength == index) { |
| return null; |
| } |
| |
| if (query.charAt(index) == '=') { |
| index++; |
| break; |
| } |
| } |
| |
| int ampIndex = query.indexOf('&', index); |
| if (ampIndex == -1) { |
| value = query.substring(index); |
| } else { |
| value = query.substring(index, ampIndex); |
| } |
| |
| return Uri.decode(value); |
| } |
| |
| /** |
| * Inserts an argument at the beginning of the selection arg list. |
| * |
| * The {@link android.database.sqlite.SQLiteQueryBuilder}'s where clause is |
| * prepended to the user's where clause (combined with 'AND') to generate |
| * the final where close, so arguments associated with the QueryBuilder are |
| * prepended before any user selection args to keep them in the right order. |
| */ |
| private String[] insertSelectionArg(String[] selectionArgs, String arg) { |
| if (selectionArgs == null) { |
| return new String[] {arg}; |
| } else { |
| int newLength = selectionArgs.length + 1; |
| String[] newSelectionArgs = new String[newLength]; |
| newSelectionArgs[0] = arg; |
| System.arraycopy(selectionArgs, 0, newSelectionArgs, 1, selectionArgs.length); |
| return newSelectionArgs; |
| } |
| } |
| } |