1 /*
2  * Copyright (C) 2014 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.example.android.wearable.timer;
18 
19 import android.app.AlarmManager;
20 import android.app.IntentService;
21 import android.app.Notification;
22 import android.app.NotificationManager;
23 import android.app.PendingIntent;
24 import android.content.Context;
25 import android.content.Intent;
26 import android.util.Log;
27 
28 import com.example.android.wearable.timer.util.Constants;
29 
30 /**
31  * Service class that manages notifications of the timer.
32  */
33 public class TimerNotificationService extends IntentService {
34 
35     public static final String TAG = "TimerNotificationSvc";
36 
TimerNotificationService()37     public TimerNotificationService() {
38         super(TAG);
39     }
40 
41     @Override
onCreate()42     public void onCreate() {
43         super.onCreate();
44     }
45 
46     @Override
onHandleIntent(Intent intent)47     protected void onHandleIntent(Intent intent) {
48         if (Log.isLoggable(TAG, Log.DEBUG)) {
49             Log.d(TAG, "onHandleIntent called with intent: " + intent);
50         }
51         String action = intent.getAction();
52         if (Constants.ACTION_SHOW_ALARM.equals(action)) {
53             showTimerDoneNotification();
54         } else if (Constants.ACTION_DELETE_ALARM.equals(action)) {
55             deleteTimer();
56         } else if (Constants.ACTION_RESTART_ALARM.equals(action)) {
57             restartAlarm();
58         } else {
59             throw new IllegalStateException("Undefined constant used: " + action);
60         }
61     }
62 
restartAlarm()63     private void restartAlarm() {
64         Intent dialogIntent = new Intent(this, SetTimerActivity.class);
65         dialogIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
66         startActivity(dialogIntent);
67         if (Log.isLoggable(TAG, Log.DEBUG)) {
68             Log.d(TAG, "Timer restarted.");
69         }
70     }
71 
deleteTimer()72     private void deleteTimer() {
73         cancelCountdownNotification();
74 
75         AlarmManager alarm = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
76         Intent intent = new Intent(Constants.ACTION_SHOW_ALARM, null, this,
77                 TimerNotificationService.class);
78         PendingIntent pendingIntent = PendingIntent.getService(this, 0, intent,
79                 PendingIntent.FLAG_UPDATE_CURRENT);
80         alarm.cancel(pendingIntent);
81 
82         if (Log.isLoggable(TAG, Log.DEBUG)) {
83             Log.d(TAG, "Timer deleted.");
84         }
85     }
86 
cancelCountdownNotification()87     private void cancelCountdownNotification() {
88         NotificationManager notifyMgr =
89                 ((NotificationManager) getSystemService(NOTIFICATION_SERVICE));
90         notifyMgr.cancel(Constants.NOTIFICATION_TIMER_COUNTDOWN);
91     }
92 
showTimerDoneNotification()93     private void showTimerDoneNotification() {
94         // Cancel the countdown notification to show the "timer done" notification.
95         cancelCountdownNotification();
96 
97         // Create an intent to restart a timer.
98         Intent restartIntent = new Intent(Constants.ACTION_RESTART_ALARM, null, this,
99                 TimerNotificationService.class);
100         PendingIntent pendingIntentRestart = PendingIntent
101                 .getService(this, 0, restartIntent, PendingIntent.FLAG_UPDATE_CURRENT);
102 
103         // Create notification that timer has expired.
104         NotificationManager notifyMgr =
105                 ((NotificationManager) getSystemService(NOTIFICATION_SERVICE));
106         Notification notif = new Notification.Builder(this)
107                 .setSmallIcon(R.drawable.ic_cc_alarm)
108                 .setContentTitle(getString(R.string.timer_done))
109                 .setContentText(getString(R.string.timer_done))
110                 .setUsesChronometer(true)
111                 .setWhen(System.currentTimeMillis())
112                 .addAction(R.drawable.ic_cc_alarm, getString(R.string.timer_restart),
113                         pendingIntentRestart)
114                 .setLocalOnly(true)
115                 .build();
116         notifyMgr.notify(Constants.NOTIFICATION_TIMER_EXPIRED, notif);
117     }
118 
119 }
120