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.contacts;
18
19import android.app.Service;
20import android.content.Intent;
21import android.content.Loader;
22import android.content.Loader.OnLoadCompleteListener;
23import android.os.IBinder;
24import android.util.Log;
25
26import com.android.contacts.common.model.Contact;
27import com.android.contacts.common.model.ContactLoader;
28
29
30/**
31 * Service that sends out a view notification for a contact. At the moment, this is only
32 * supposed to be used by the Phone app
33 */
34public class ViewNotificationService extends Service {
35    private static final String TAG = ViewNotificationService.class.getSimpleName();
36
37    private static final boolean DEBUG = false;
38
39    @Override
40    public int onStartCommand(Intent intent, int flags, final int startId) {
41        if (DEBUG) { Log.d(TAG, "onHandleIntent(). Intent: " + intent); }
42
43        // We simply need to start a Loader here. When its done, it will send out the
44        // View-Notification automatically.
45        final ContactLoader contactLoader = new ContactLoader(this, intent.getData(), true);
46        contactLoader.registerListener(0, new OnLoadCompleteListener<Contact>() {
47            @Override
48            public void onLoadComplete(Loader<Contact> loader, Contact data) {
49                try {
50                    loader.reset();
51                } catch (RuntimeException e) {
52                    Log.e(TAG, "Error reseting loader", e);
53                }
54                try {
55                    // This is not 100% accurate actually. If we get several calls quickly,
56                    // we might be stopping out-of-order, in which case the call with the last
57                    // startId will stop this service. In practice, this shouldn't be a problem,
58                    // as this service is supposed to be called by the Phone app which only sends
59                    // out the notification once per phonecall. And even if there is a problem,
60                    // the worst that should happen is a missing view notification
61                    stopSelfResult(startId);
62                } catch (RuntimeException e) {
63                    Log.e(TAG, "Error stopping service", e);
64                }
65            }
66        });
67        contactLoader.startLoading();
68        return START_REDELIVER_INTENT;
69    }
70
71    @Override
72    public IBinder onBind(Intent intent) {
73        return null;
74    }
75}
76