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.content.ContentResolver;
22import android.content.ContentValues;
23import android.content.Context;
24import android.content.Intent;
25import android.net.Uri;
26import android.os.IBinder;
27import android.provider.CalendarContract.CalendarAlerts;
28import android.support.v4.app.TaskStackBuilder;
29
30import android.util.Log;
31import com.android.calendar.EventInfoActivity;
32import com.android.calendar.alerts.GlobalDismissManager.AlarmId;
33
34import java.util.LinkedList;
35import java.util.List;
36
37/**
38 * Service for asynchronously marking fired alarms as dismissed.
39 */
40public 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