AlertUtils.java revision d1fa3c0e0a8f45538c867c4f56bb629e1219ed23
19881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson/* 29881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson * Copyright (C) 2012 The Android Open Source Project 39881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson * 49881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson * Licensed under the Apache License, Version 2.0 (the "License"); 59881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson * you may not use this file except in compliance with the License. 69881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson * You may obtain a copy of the License at 79881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson * 89881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson * http://www.apache.org/licenses/LICENSE-2.0 99881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson * 109881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson * Unless required by applicable law or agreed to in writing, software 119881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson * distributed under the License is distributed on an "AS IS" BASIS, 129881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson * See the License for the specific language governing permissions and 149881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson * limitations under the License 159881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson */ 169881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson 179881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelsonpackage com.android.calendar.alerts; 189881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson 199881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelsonimport android.app.AlarmManager; 209881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelsonimport android.app.PendingIntent; 2160edea82999b3a4d9a2c29d04c7ea611c86f4b78Sara Tingimport android.content.ContentUris; 229881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelsonimport android.content.ContentValues; 239881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelsonimport android.content.Context; 249881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelsonimport android.content.Intent; 25d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Tingimport android.content.SharedPreferences; 269881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelsonimport android.net.Uri; 279881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelsonimport android.provider.CalendarContract; 289881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelsonimport android.provider.CalendarContract.CalendarAlerts; 2942ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Tingimport android.text.TextUtils; 3042ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Tingimport android.text.format.DateFormat; 3142ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Tingimport android.text.format.DateUtils; 3242ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Tingimport android.text.format.Time; 33d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Tingimport android.util.Log; 349881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson 350ef732f240516f9f8b8add982f82244e01ec509bIsaac Katzenelsonimport com.android.calendar.EventInfoActivity; 3642ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Tingimport com.android.calendar.R; 3742ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Tingimport com.android.calendar.Utils; 3842ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting 3942ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Tingimport java.util.Locale; 40d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Tingimport java.util.Map; 4142ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Tingimport java.util.TimeZone; 429881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson 439881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelsonpublic class AlertUtils { 44d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting private static final String TAG = "AlertUtils"; 45d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting static final boolean DEBUG = true; 469881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson 479881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson public static final long SNOOZE_DELAY = 5 * 60 * 1000L; 489881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson 4942ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting // We use one notification id for the expired events notification. All 5042ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting // other notifications (the 'active' future/concurrent ones) use a unique ID. 5142ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting public static final int EXPIRED_GROUP_NOTIFICATION_ID = 0; 529881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson 539881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson public static final String EVENT_ID_KEY = "eventid"; 549881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson public static final String SHOW_EVENT_KEY = "showevent"; 559881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson public static final String EVENT_START_KEY = "eventstart"; 569881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson public static final String EVENT_END_KEY = "eventend"; 5742ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting public static final String NOTIFICATION_ID_KEY = "notificationid"; 58660f1b4ab88bed6e8066ad05b324e95a9940cf73Sara Ting public static final String EVENT_IDS_KEY = "eventids"; 599881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson 60d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting // A flag for using local storage to save alert state instead of the alerts DB table. 61d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting // This allows the unbundled app to run alongside other calendar apps without eating 62d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting // alerts from other apps. 63d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting static boolean BYPASS_DB = true; 64d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting 65d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting // SharedPrefs table name for storing fired alerts. This prevents other installed 66d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting // Calendar apps from eating the alerts. 67d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting private static final String ALERTS_SHARED_PREFS_NAME = "calendar_alerts"; 68d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting 69d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting // Keyname prefix for the alerts data in SharedPrefs. The key will contain a combo 70d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting // of event ID, begin time, and alarm time. The value will be the fired time. 71d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting private static final String KEY_FIRED_ALERT_PREFIX = "preference_alert_"; 72d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting 73d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting // The last time the SharedPrefs was scanned and flushed of old alerts data. 74d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting private static final String KEY_LAST_FLUSH_TIME_MS = "preference_flushTimeMs"; 75d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting 76d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting // The # of days to save alert states in the shared prefs table, before flushing. This 77d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting // can be any value, since AlertService will also check for a recent alertTime before 78d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting // ringing the alert. 79d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting private static final int FLUSH_INTERVAL_DAYS = 1; 80d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting private static final int FLUSH_INTERVAL_MS = FLUSH_INTERVAL_DAYS * 24 * 60 * 60 * 1000; 81d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting 829881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson /** 839881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson * Schedules an alarm intent with the system AlarmManager that will notify 849881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson * listeners when a reminder should be fired. The provider will keep 859881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson * scheduled reminders up to date but apps may use this to implement snooze 869881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson * functionality without modifying the reminders table. Scheduled alarms 879881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson * will generate an intent using {@link #ACTION_EVENT_REMINDER}. 889881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson * 899881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson * @param context A context for referencing system resources 909881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson * @param manager The AlarmManager to use or null 919881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson * @param alarmTime The time to fire the intent in UTC millis since epoch 929881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson */ 939881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson public static void scheduleAlarm(Context context, AlarmManager manager, long alarmTime) { 9460edea82999b3a4d9a2c29d04c7ea611c86f4b78Sara Ting scheduleAlarmHelper(context, manager, alarmTime, false); 9560edea82999b3a4d9a2c29d04c7ea611c86f4b78Sara Ting } 969881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson 9760edea82999b3a4d9a2c29d04c7ea611c86f4b78Sara Ting /** 9860edea82999b3a4d9a2c29d04c7ea611c86f4b78Sara Ting * Schedules the next alarm to silently refresh the notifications. Note that if there 9960edea82999b3a4d9a2c29d04c7ea611c86f4b78Sara Ting * is a pending silent refresh alarm, it will be replaced with this one. 10060edea82999b3a4d9a2c29d04c7ea611c86f4b78Sara Ting */ 10160edea82999b3a4d9a2c29d04c7ea611c86f4b78Sara Ting static void scheduleNextNotificationRefresh(Context context, AlarmManager manager, 10260edea82999b3a4d9a2c29d04c7ea611c86f4b78Sara Ting long alarmTime) { 10360edea82999b3a4d9a2c29d04c7ea611c86f4b78Sara Ting scheduleAlarmHelper(context, manager, alarmTime, true); 10460edea82999b3a4d9a2c29d04c7ea611c86f4b78Sara Ting } 1059881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson 10660edea82999b3a4d9a2c29d04c7ea611c86f4b78Sara Ting private static void scheduleAlarmHelper(Context context, AlarmManager manager, long alarmTime, 10760edea82999b3a4d9a2c29d04c7ea611c86f4b78Sara Ting boolean quietUpdate) { 1089881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson if (manager == null) { 1099881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson manager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); 1109881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson } 1119881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson 11260edea82999b3a4d9a2c29d04c7ea611c86f4b78Sara Ting int alarmType = AlarmManager.RTC_WAKEUP; 1139881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson Intent intent = new Intent(CalendarContract.ACTION_EVENT_REMINDER); 11460edea82999b3a4d9a2c29d04c7ea611c86f4b78Sara Ting intent.setClass(context, AlertReceiver.class); 11560edea82999b3a4d9a2c29d04c7ea611c86f4b78Sara Ting if (quietUpdate) { 11660edea82999b3a4d9a2c29d04c7ea611c86f4b78Sara Ting alarmType = AlarmManager.RTC; 11760edea82999b3a4d9a2c29d04c7ea611c86f4b78Sara Ting } else { 11860edea82999b3a4d9a2c29d04c7ea611c86f4b78Sara Ting // Set data field so we get a unique PendingIntent instance per alarm or else alarms 11960edea82999b3a4d9a2c29d04c7ea611c86f4b78Sara Ting // may be dropped. 12060edea82999b3a4d9a2c29d04c7ea611c86f4b78Sara Ting Uri.Builder builder = CalendarAlerts.CONTENT_URI.buildUpon(); 12160edea82999b3a4d9a2c29d04c7ea611c86f4b78Sara Ting ContentUris.appendId(builder, alarmTime); 12260edea82999b3a4d9a2c29d04c7ea611c86f4b78Sara Ting intent.setData(builder.build()); 12360edea82999b3a4d9a2c29d04c7ea611c86f4b78Sara Ting } 12460edea82999b3a4d9a2c29d04c7ea611c86f4b78Sara Ting 1259881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson intent.putExtra(CalendarContract.CalendarAlerts.ALARM_TIME, alarmTime); 1269881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson PendingIntent pi = PendingIntent.getBroadcast(context, 0, intent, 1279881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson PendingIntent.FLAG_UPDATE_CURRENT); 12860edea82999b3a4d9a2c29d04c7ea611c86f4b78Sara Ting manager.set(alarmType, alarmTime, pi); 1299881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson } 1309881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson 13142ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting /** 13242ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting * Format the second line which shows time and location for single alert or the 13342ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting * number of events for multiple alerts 13442ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting * 1) Show time only for non-all day events 13542ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting * 2) No date for today 13642ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting * 3) Show "tomorrow" for tomorrow 13742ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting * 4) Show date for days beyond that 13842ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting */ 13942ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting static String formatTimeLocation(Context context, long startMillis, boolean allDay, 14042ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting String location) { 14142ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting String tz = Utils.getTimeZone(context, null); 14242ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting Time time = new Time(tz); 14342ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting time.setToNow(); 14442ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting int today = Time.getJulianDay(time.toMillis(false), time.gmtoff); 14542ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting time.set(startMillis); 14642ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting int eventDay = Time.getJulianDay(time.toMillis(false), time.gmtoff); 14742ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting 14842ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting int flags = DateUtils.FORMAT_ABBREV_ALL; 14942ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting if (!allDay) { 15042ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting flags |= DateUtils.FORMAT_SHOW_TIME; 15142ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting if (DateFormat.is24HourFormat(context)) { 15242ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting flags |= DateUtils.FORMAT_24HOUR; 15342ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting } 15442ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting } else { 15542ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting flags |= DateUtils.FORMAT_UTC; 15642ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting } 15742ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting 15842ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting if (eventDay < today || eventDay > today + 1) { 15942ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting flags |= DateUtils.FORMAT_SHOW_DATE; 16042ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting } 16142ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting 16242ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting StringBuilder sb = new StringBuilder(Utils.formatDateRange(context, startMillis, 16342ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting startMillis, flags)); 16442ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting 16542ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting if (!allDay && tz != Time.getCurrentTimezone()) { 16642ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting // Assumes time was set to the current tz 16742ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting time.set(startMillis); 16842ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting boolean isDST = time.isDst != 0; 16942ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting sb.append(" ").append(TimeZone.getTimeZone(tz).getDisplayName( 17042ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting isDST, TimeZone.SHORT, Locale.getDefault())); 17142ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting } 17242ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting 17342ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting if (eventDay == today + 1) { 17442ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting // Tomorrow 17542ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting sb.append(", "); 17642ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting sb.append(context.getString(R.string.tomorrow)); 17742ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting } 17842ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting 17942ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting String loc; 18042ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting if (location != null && !TextUtils.isEmpty(loc = location.trim())) { 18142ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting sb.append(", "); 18242ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting sb.append(loc); 18342ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting } 18442ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting return sb.toString(); 18542ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting } 18642ba5efed5945b0e96735ec9ca4b388ae35b56f7Sara Ting 1879881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson public static ContentValues makeContentValues(long eventId, long begin, long end, 1889881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson long alarmTime, int minutes) { 1899881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson ContentValues values = new ContentValues(); 1909881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson values.put(CalendarAlerts.EVENT_ID, eventId); 1919881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson values.put(CalendarAlerts.BEGIN, begin); 1929881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson values.put(CalendarAlerts.END, end); 1939881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson values.put(CalendarAlerts.ALARM_TIME, alarmTime); 1949881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson long currentTime = System.currentTimeMillis(); 1959881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson values.put(CalendarAlerts.CREATION_TIME, currentTime); 1969881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson values.put(CalendarAlerts.RECEIVED_TIME, 0); 1979881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson values.put(CalendarAlerts.NOTIFY_TIME, 0); 1989881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson values.put(CalendarAlerts.STATE, CalendarAlerts.STATE_SCHEDULED); 1999881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson values.put(CalendarAlerts.MINUTES, minutes); 2009881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson return values; 2019881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson } 2029881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson 2030ef732f240516f9f8b8add982f82244e01ec509bIsaac Katzenelson public static Intent buildEventViewIntent(Context c, long eventId, long begin, long end) { 2049881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson Intent i = new Intent(Intent.ACTION_VIEW); 2059881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson Uri.Builder builder = CalendarContract.CONTENT_URI.buildUpon(); 2069881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson builder.appendEncodedPath("events/" + eventId); 2079881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson i.setData(builder.build()); 2080ef732f240516f9f8b8add982f82244e01ec509bIsaac Katzenelson i.setClass(c, EventInfoActivity.class); 2099881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson i.putExtra(CalendarContract.EXTRA_EVENT_BEGIN_TIME, begin); 2109881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson i.putExtra(CalendarContract.EXTRA_EVENT_END_TIME, end); 2119881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson return i; 2129881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson } 2139881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson 214d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting public static SharedPreferences getFiredAlertsTable(Context context) { 215d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting return context.getSharedPreferences(ALERTS_SHARED_PREFS_NAME, Context.MODE_PRIVATE); 216d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting } 217d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting 218d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting private static String getFiredAlertsKey(long eventId, long beginTime, 219d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting long alarmTime) { 220d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting StringBuilder sb = new StringBuilder(KEY_FIRED_ALERT_PREFIX); 221d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting sb.append(eventId); 222d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting sb.append("_"); 223d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting sb.append(beginTime); 224d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting sb.append("_"); 225d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting sb.append(alarmTime); 226d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting return sb.toString(); 227d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting } 228d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting 229d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting /** 230d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting * Returns whether the SharedPrefs storage indicates we have fired the alert before. 231d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting */ 232d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting static boolean hasAlertFiredInSharedPrefs(Context context, long eventId, long beginTime, 233d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting long alarmTime) { 234d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting SharedPreferences prefs = getFiredAlertsTable(context); 235d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting return prefs.contains(getFiredAlertsKey(eventId, beginTime, alarmTime)); 236d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting } 237d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting 238d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting /** 239d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting * Store fired alert info in the SharedPrefs. 240d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting */ 241d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting static void setAlertFiredInSharedPrefs(Context context, long eventId, long beginTime, 242d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting long alarmTime) { 243d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting // Store alarm time as the value too so we don't have to parse all the keys to flush 244d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting // old alarms out of the table later. 245d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting SharedPreferences prefs = getFiredAlertsTable(context); 246d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting SharedPreferences.Editor editor = prefs.edit(); 247d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting editor.putLong(getFiredAlertsKey(eventId, beginTime, alarmTime), alarmTime); 248d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting editor.apply(); 249d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting } 250d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting 251d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting /** 252d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting * Scans and flushes the internal storage of old alerts. Looks up the previous flush 253d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting * time in SharedPrefs, and performs the flush if overdue. Otherwise, no-op. 254d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting */ 255d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting static void flushOldAlertsFromInternalStorage(Context context) { 256d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting if (BYPASS_DB) { 257d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting SharedPreferences prefs = getFiredAlertsTable(context); 258d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting 259d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting // Only flush if it hasn't been done in a while. 260d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting long nowTime = System.currentTimeMillis(); 261d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting long lastFlushTimeMs = prefs.getLong(KEY_LAST_FLUSH_TIME_MS, 0); 262d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting if (nowTime - lastFlushTimeMs > FLUSH_INTERVAL_MS) { 263d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting if (DEBUG) { 264d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting Log.d(TAG, "Flushing old alerts from shared prefs table"); 265d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting } 266d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting 267d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting // Scan through all fired alert entries, removing old ones. 268d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting SharedPreferences.Editor editor = prefs.edit(); 269d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting Time timeObj = new Time(); 270d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting for (Map.Entry<String, ?> entry : prefs.getAll().entrySet()) { 271d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting String key = entry.getKey(); 272d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting Object value = entry.getValue(); 273d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting if (key.startsWith(KEY_FIRED_ALERT_PREFIX)) { 274d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting long alertTime; 275d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting if (value instanceof Long) { 276d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting alertTime = (Long) value; 277d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting } else { 278d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting // Should never occur. 279d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting Log.e(TAG,"SharedPrefs key " + key + " did not have Long value: " + 280d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting value); 281d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting continue; 282d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting } 283d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting 284d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting if (nowTime - alertTime >= FLUSH_INTERVAL_MS) { 285d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting editor.remove(key); 286d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting if (DEBUG) { 287d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting int ageInDays = getIntervalInDays(alertTime, nowTime, timeObj); 288d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting Log.d(TAG, "SharedPrefs key " + key + ": removed (" + ageInDays + 289d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting " days old)"); 290d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting } 291d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting } else { 292d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting if (DEBUG) { 293d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting int ageInDays = getIntervalInDays(alertTime, nowTime, timeObj); 294d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting Log.d(TAG, "SharedPrefs key " + key + ": keep (" + ageInDays + 295d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting " days old)"); 296d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting } 297d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting } 298d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting } 299d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting } 300d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting editor.putLong(KEY_LAST_FLUSH_TIME_MS, nowTime); 301d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting editor.apply(); 302d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting } 303d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting } 304d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting } 305d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting 306d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting private static int getIntervalInDays(long startMillis, long endMillis, Time timeObj) { 307d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting timeObj.set(startMillis); 308d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting int startDay = Time.getJulianDay(startMillis, timeObj.gmtoff); 309d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting timeObj.set(endMillis); 310d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting return Time.getJulianDay(endMillis, timeObj.gmtoff) - startDay; 311d1fa3c0e0a8f45538c867c4f56bb629e1219ed23Sara Ting } 3129881907c47b2658fa85954bfb339c4b1eab9fc8eIsaac Katzenelson} 313