DismissAlarmsService.java revision c0feea05e070c45892169372d608c4f6d19eaece 
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
17package com.android.calendar.alerts;
18
19import android.app.IntentService;
20import android.app.NotificationManager;
21import android.app.TaskStackBuilder;
22import android.content.ContentResolver;
23import android.content.ContentValues;
24import android.content.Context;
25import android.content.Intent;
26import android.net.Uri;
27import android.os.IBinder;
28import android.provider.CalendarContract.CalendarAlerts;
29
30import com.android.calendar.EventInfoActivity;
31import com.android.calendar.Utils;
32
33/**
34 * Service for asynchronously marking fired alarms as dismissed.
35 */
36public class DismissAlarmsService extends IntentService {
37    private static final String[] PROJECTION = new String[] {
38            CalendarAlerts.STATE,
39    };
40    private static final int COLUMN_INDEX_STATE = 0;
41
42    public DismissAlarmsService() {
43        super("DismissAlarmsService");
44    }
45
46    @Override
47    public IBinder onBind(Intent intent) {
48        return null;
49    }
50
51    @Override
52    public void onHandleIntent(Intent intent) {
53
54        long eventId = intent.getLongExtra(AlertUtils.EVENT_ID_KEY, -1);
55        long eventStart = intent.getLongExtra(AlertUtils.EVENT_START_KEY, -1);
56        long eventEnd = intent.getLongExtra(AlertUtils.EVENT_END_KEY, -1);
57        boolean showEvent = intent.getBooleanExtra(AlertUtils.SHOW_EVENT_KEY, false);
58        long[] eventIds = intent.getLongArrayExtra(AlertUtils.EVENT_IDS_KEY);
59        int notificationId = intent.getIntExtra(AlertUtils.NOTIFICATION_ID_KEY, -1);
60
61        Uri uri = CalendarAlerts.CONTENT_URI;
62        String selection;
63
64        // Dismiss a specific fired alarm if id is present, otherwise, dismiss all alarms
65        if (eventId != -1) {
66            selection = CalendarAlerts.STATE + "=" + CalendarAlerts.STATE_FIRED + " AND " +
67            CalendarAlerts.EVENT_ID + "=" + eventId;
68        } else if (eventIds != null && eventIds.length > 0) {
69            selection = buildMultipleEventsQuery(eventIds);
70        } else {
71            selection = CalendarAlerts.STATE + "=" + CalendarAlerts.STATE_FIRED;
72        }
73
74        ContentResolver resolver = getContentResolver();
75        ContentValues values = new ContentValues();
76        values.put(PROJECTION[COLUMN_INDEX_STATE], CalendarAlerts.STATE_DISMISSED);
77        resolver.update(uri, values, selection, null);
78
79        // Remove from notification bar.
80        if (notificationId != -1) {
81            NotificationManager nm =
82                    (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
83            nm.cancel(notificationId);
84        }
85
86        if (showEvent) {
87            // Show event on Calendar app by building an intent and task stack to start
88            // EventInfoActivity with AllInOneActivity as the parent activity rooted to home.
89            Intent i = AlertUtils.buildEventViewIntent(this, eventId, eventStart, eventEnd);
90
91            if (Utils.isJellybeanOrLater()) {
92                TaskStackBuilder.create(this).addParentStack(EventInfoActivity.class)
93                        .addNextIntent(i).startActivities();
94            } else {
95                // This is a workaround until 6650578 is resolved
96                i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
97                startActivity(i);
98            }
99        }
100
101        // Stop this service
102        stopSelf();
103    }
104
105    private String buildMultipleEventsQuery(long[] eventIds) {
106        StringBuilder selection = new StringBuilder();
107        selection.append(CalendarAlerts.STATE);
108        selection.append("=");
109        selection.append(CalendarAlerts.STATE_FIRED);
110        if (eventIds.length > 0) {
111            selection.append(" AND (");
112            selection.append(CalendarAlerts.EVENT_ID);
113            selection.append("=");
114            selection.append(eventIds[0]);
115            for (int i = 1; i < eventIds.length; i++) {
116                selection.append(" OR ");
117                selection.append(CalendarAlerts.EVENT_ID);
118                selection.append("=");
119                selection.append(eventIds[i]);
120            }
121            selection.append(")");
122        }
123        return selection.toString();
124    }
125}
126