Pileus Git - ~andy/iBeaconNav/blob - src/edu/ucla/iBeaconNav/Task.java

   1 package edu.ucla.iBeaconNav;
   2
   3 import java.util.List;
   4 import java.util.LinkedList;
   5 import java.util.Collection;
   6 import java.util.concurrent.locks.Lock;
   7 import java.util.concurrent.locks.ReentrantLock;
   8
   9 import android.app.Notification;
  10 import android.app.PendingIntent;
  11 import android.app.Service;
  12 import android.content.Context;
  13 import android.content.Intent;
  14 import android.content.SharedPreferences;
  15 import android.os.IBinder;
  16 import android.os.Looper;
  17 import android.os.Messenger;
  18 import android.os.RemoteException;
  19 import android.preference.PreferenceManager;
  20
  21 public class Task extends Service
  22 {
  23         /* Private data */
  24         private Messenger      messenger;
  25         private Beacon         beacon;
  26         private Sensors        sensors;
  27         private boolean        running;
  28
  29         /* Public methods */
  30         public void tellMain(CMD.Response cmd, Object value)
  31         {
  32                 try {
  33                         android.os.Message msg = android.os.Message.obtain();
  34                         msg.what = cmd.ordinal();
  35                         msg.obj  = value;
  36                         this.messenger.send(msg);
  37                 } catch (Exception e) {
  38                         Util.debug("Task: error sending message", e);
  39                 }
  40         }
  41
  42         public void notify(String text, int icon)
  43         {
  44                 // Notify Main
  45                 this.tellMain(CMD.Response.NOTIFY, text);
  46
  47                 // Notification bar
  48                 Notification  note = new Notification.Builder(this)
  49                         .setContentTitle("iBeaconNav!")
  50                         .setContentText("iBeaconNav!")
  51                         .setSmallIcon(icon)
  52                         .build();
  53
  54                 this.startForeground(1, note);
  55         }
  56
  57         public boolean isRunning()
  58         {
  59                 return this.running;
  60         }
  61
  62         /* Private methods */
  63         private void handle(CMD.Command cmd, Messenger mgr)
  64         {
  65                 // Validate messenger
  66                 if (cmd != CMD.Command.REGISTER && mgr != null && mgr != this.messenger)
  67                         Util.debug("Task: handle - invalid messenger");
  68
  69                 // Handle the command
  70                 switch (cmd) {
  71                         // Setup communication with Main
  72                         case REGISTER:
  73                                 Util.debug("Task: handle - register");
  74                                 this.messenger = mgr;
  75                                 this.tellMain(CMD.Response.REGISTER, this);
  76                                 break;
  77
  78                         // Create client thread
  79                         case CONNECT:
  80                                 Util.debug("Task: handle - connect");
  81                                 this.running = true;
  82                                 this.beacon.connect();
  83                                 this.sensors.connect();
  84                                 this.notify("Connected", android.R.drawable.presence_online);
  85                                 break;
  86
  87                         // Stop client thread
  88                         case DISCONNECT:
  89                                 Util.debug("Task: handle - register");
  90                                 this.running = false;
  91                                 this.beacon.disconnect();
  92                                 this.sensors.disconnect();
  93                                 this.stopForeground(true);
  94                                 break;
  95
  96                         // Reset heading
  97                         case RSTHEAD:
  98                                 this.sensors.reset_heading();
  99                                 break;
 100
 101                         // Reset distance
 102                         case RSTDST:
 103                                 this.sensors.reset_distance();
 104                                 break;
 105
 106                 }
 107         }
 108
 109         /* Service Methods */
 110         @Override
 111         public void onCreate()
 112         {
 113                 Util.debug("Task: onCreate");
 114                 super.onCreate();
 115                 this.beacon  = new Beacon(this);
 116                 this.sensors = new Sensors(this);
 117         }
 118
 119         @Override
 120         public void onDestroy()
 121         {
 122                 Util.debug("Task: onDestroy");
 123                 super.onDestroy();
 124         }
 125
 126         @Override
 127         public int onStartCommand(Intent intent, int flags, int startId)
 128         {
 129                 Util.debug("Task: onStartCommand");
 130                 int         rval = super.onStartCommand(intent, flags, startId);
 131                 CMD.Command cmd  = (CMD.Command)intent.getExtras().get("Command");
 132                 Messenger   mgr  = (Messenger)intent.getExtras().get("Messenger");
 133                 this.handle(cmd, mgr);
 134                 return rval;
 135         }
 136
 137         @Override
 138         public IBinder onBind(Intent intent)
 139         {
 140                 Util.debug("Task: onBind");
 141                 return null;
 142         }
 143 }