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      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 
     17 package com.android.contacts;
     18 
     19 import android.app.Service;
     20 import android.content.Intent;
     21 import android.content.Loader;
     22 import android.content.Loader.OnLoadCompleteListener;
     23 import android.os.IBinder;
     24 import android.util.Log;
     25 
     26 import com.android.contacts.common.model.Contact;
     27 import 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  */
     34 public 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