Home | History | Annotate | Download | only in alerts 
      1 /*
      2  * Copyright (C) 2009 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License
     15  */
     16 
     17 package com.android.calendar.alerts;
     18 
     19 import android.app.IntentService;
     20 import android.app.NotificationManager;
     21 import android.content.ContentResolver;
     22 import android.content.ContentValues;
     23 import android.content.Context;
     24 import android.content.Intent;
     25 import android.net.Uri;
     26 import android.os.IBinder;
     27 import android.provider.CalendarContract.CalendarAlerts;
     28 import android.support.v4.app.TaskStackBuilder;
     29 
     30 import android.util.Log;
     31 import com.android.calendar.EventInfoActivity;
     32 import com.android.calendar.alerts.GlobalDismissManager.AlarmId;
     33 
     34 import java.util.LinkedList;
     35 import java.util.List;
     36 
     37 /**
     38  * Service for asynchronously marking fired alarms as dismissed.
     39  */
     40 public class DismissAlarmsService extends IntentService {
     41     private static final String TAG = "DismissAlarmsService";
     42     public static final String SHOW_ACTION = "com.android.calendar.SHOW";
     43     public static final String DISMISS_ACTION = "com.android.calendar.DISMISS";
     44 
     45     private static final String[] PROJECTION = new String[] {
     46             CalendarAlerts.STATE,
     47     };
     48     private static final int COLUMN_INDEX_STATE = 0;
     49 
     50     public DismissAlarmsService() {
     51         super("DismissAlarmsService");
     52     }
     53 
     54     @Override
     55     public IBinder onBind(Intent intent) {
     56         return null;
     57     }
     58 
     59     @Override
     60     public void onHandleIntent(Intent intent) {
     61         if (AlertService.DEBUG) {
     62             Log.d(TAG, "onReceive: a=" + intent.getAction() + " " + intent.toString());
     63         }
     64 
     65         long eventId = intent.getLongExtra(AlertUtils.EVENT_ID_KEY, -1);
     66         long eventStart = intent.getLongExtra(AlertUtils.EVENT_START_KEY, -1);
     67         long eventEnd = intent.getLongExtra(AlertUtils.EVENT_END_KEY, -1);
     68         long[] eventIds = intent.getLongArrayExtra(AlertUtils.EVENT_IDS_KEY);
     69         long[] eventStarts = intent.getLongArrayExtra(AlertUtils.EVENT_STARTS_KEY);
     70         int notificationId = intent.getIntExtra(AlertUtils.NOTIFICATION_ID_KEY, -1);
     71         List<AlarmId> alarmIds = new LinkedList<AlarmId>();
     72 
     73         Uri uri = CalendarAlerts.CONTENT_URI;
     74         String selection;
     75 
     76         // Dismiss a specific fired alarm if id is present, otherwise, dismiss all alarms
     77         if (eventId != -1) {
     78             alarmIds.add(new AlarmId(eventId, eventStart));
     79             selection = CalendarAlerts.STATE + "=" + CalendarAlerts.STATE_FIRED + " AND " +
     80             CalendarAlerts.EVENT_ID + "=" + eventId;
     81         } else if (eventIds != null && eventIds.length > 0 &&
     82                 eventStarts != null && eventIds.length == eventStarts.length) {
     83             selection = buildMultipleEventsQuery(eventIds);
     84             for (int i = 0; i < eventIds.length; i++) {
     85                 alarmIds.add(new AlarmId(eventIds[i], eventStarts[i]));
     86             }
     87         } else {
     88             // NOTE: I don't believe that this ever happens.
     89             selection = CalendarAlerts.STATE + "=" + CalendarAlerts.STATE_FIRED;
     90         }
     91 
     92         GlobalDismissManager.dismissGlobally(getApplicationContext(), alarmIds);
     93 
     94         ContentResolver resolver = getContentResolver();
     95         ContentValues values = new ContentValues();
     96         values.put(PROJECTION[COLUMN_INDEX_STATE], CalendarAlerts.STATE_DISMISSED);
     97         resolver.update(uri, values, selection, null);
     98 
     99         // Remove from notification bar.
    100         if (notificationId != -1) {
    101             NotificationManager nm =
    102                     (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
    103             nm.cancel(notificationId);
    104         }
    105 
    106         if (SHOW_ACTION.equals(intent.getAction())) {
    107             // Show event on Calendar app by building an intent and task stack to start
    108             // EventInfoActivity with AllInOneActivity as the parent activity rooted to home.
    109             Intent i = AlertUtils.buildEventViewIntent(this, eventId, eventStart, eventEnd);
    110 
    111             TaskStackBuilder.create(this)
    112                     .addParentStack(EventInfoActivity.class).addNextIntent(i).startActivities();
    113         }
    114     }
    115 
    116     private String buildMultipleEventsQuery(long[] eventIds) {
    117         StringBuilder selection = new StringBuilder();
    118         selection.append(CalendarAlerts.STATE);
    119         selection.append("=");
    120         selection.append(CalendarAlerts.STATE_FIRED);
    121         if (eventIds.length > 0) {
    122             selection.append(" AND (");
    123             selection.append(CalendarAlerts.EVENT_ID);
    124             selection.append("=");
    125             selection.append(eventIds[0]);
    126             for (int i = 1; i < eventIds.length; i++) {
    127                 selection.append(" OR ");
    128                 selection.append(CalendarAlerts.EVENT_ID);
    129                 selection.append("=");
    130                 selection.append(eventIds[i]);
    131             }
    132             selection.append(")");
    133         }
    134         return selection.toString();
    135     }
    136 }
    137