AlertUtils.java revision 0ef732f240516f9f8b8add982f82244e01ec509b 
1/*
2 * Copyright (C) 2012 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.AlarmManager;
20import android.app.PendingIntent;
21import android.content.ContentValues;
22import android.content.Context;
23import android.content.Intent;
24import android.net.Uri;
25import android.provider.CalendarContract;
26import android.provider.CalendarContract.CalendarAlerts;
27
28import com.android.calendar.EventInfoActivity;
29
30public class AlertUtils {
31
32    public static final long SNOOZE_DELAY = 5 * 60 * 1000L;
33
34    // We use one notification id for all events so that we don't clutter
35    // the notification screen.  It doesn't matter what the id is, as long
36    // as it is used consistently everywhere.
37    public static final int NOTIFICATION_ID = 0;
38
39    public static final String EVENT_ID_KEY = "eventid";
40    public static final String SHOW_EVENT_KEY = "showevent";
41    public static final String EVENT_START_KEY = "eventstart";
42    public static final String EVENT_END_KEY = "eventend";
43
44    /**
45     * Schedules an alarm intent with the system AlarmManager that will notify
46     * listeners when a reminder should be fired. The provider will keep
47     * scheduled reminders up to date but apps may use this to implement snooze
48     * functionality without modifying the reminders table. Scheduled alarms
49     * will generate an intent using {@link #ACTION_EVENT_REMINDER}.
50     *
51     * @param context A context for referencing system resources
52     * @param manager The AlarmManager to use or null
53     * @param alarmTime The time to fire the intent in UTC millis since epoch
54     */
55    public static void scheduleAlarm(Context context, AlarmManager manager, long alarmTime) {
56
57        // The default snooze delay: 5 minutes
58
59        if (manager == null) {
60            manager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
61        }
62
63        Intent intent = new Intent(CalendarContract.ACTION_EVENT_REMINDER);
64        intent.setData(CalendarAlerts.CONTENT_URI);
65        intent.putExtra(CalendarContract.CalendarAlerts.ALARM_TIME, alarmTime);
66        PendingIntent pi = PendingIntent.getBroadcast(context, 0, intent,
67                PendingIntent.FLAG_UPDATE_CURRENT);
68        manager.set(AlarmManager.RTC_WAKEUP, alarmTime, pi);
69    }
70
71    public static ContentValues makeContentValues(long eventId, long begin, long end,
72            long alarmTime, int minutes) {
73        ContentValues values = new ContentValues();
74        values.put(CalendarAlerts.EVENT_ID, eventId);
75        values.put(CalendarAlerts.BEGIN, begin);
76        values.put(CalendarAlerts.END, end);
77        values.put(CalendarAlerts.ALARM_TIME, alarmTime);
78        long currentTime = System.currentTimeMillis();
79        values.put(CalendarAlerts.CREATION_TIME, currentTime);
80        values.put(CalendarAlerts.RECEIVED_TIME, 0);
81        values.put(CalendarAlerts.NOTIFY_TIME, 0);
82        values.put(CalendarAlerts.STATE, CalendarAlerts.STATE_SCHEDULED);
83        values.put(CalendarAlerts.MINUTES, minutes);
84        return values;
85    }
86
87    public static Intent buildEventViewIntent(Context c, long eventId, long begin, long end) {
88        Intent i = new Intent(Intent.ACTION_VIEW);
89        Uri.Builder builder = CalendarContract.CONTENT_URI.buildUpon();
90        builder.appendEncodedPath("events/" + eventId);
91        i.setData(builder.build());
92        i.setClass(c, EventInfoActivity.class);
93        i.putExtra(CalendarContract.EXTRA_EVENT_BEGIN_TIME, begin);
94        i.putExtra(CalendarContract.EXTRA_EVENT_END_TIME, end);
95        return i;
96    }
97
98}
99