altosdroid: set devicename and pass on to clients

[fw/altos] / altosdroid / src / org / altusmetrum / AltosDroid / TelemetryService.java

diff --git a/altosdroid/src/org/altusmetrum/AltosDroid/TelemetryService.java b/altosdroid/src/org/altusmetrum/AltosDroid/TelemetryService.java
index 60500a2c44f813e4ff32273aecc3bcbcff4b833e..218c6d3378103c9f03dcbf74466af4ad626872ea 100644 (file)
--- a/altosdroid/src/org/altusmetrum/AltosDroid/TelemetryService.java
+++ b/altosdroid/src/org/altusmetrum/AltosDroid/TelemetryService.java
@@ -27,10 +27,12 @@ import android.app.PendingIntent;
 import android.app.Service;
 import android.bluetooth.BluetoothDevice;
 import android.content.Intent;
+import android.os.Bundle;
 import android.os.IBinder;
 import android.os.Handler;
 import android.os.Message;
 import android.os.Messenger;
+import android.os.RemoteException;
 import android.util.Log;
 import android.widget.Toast;
 
@@ -47,25 +49,31 @@ public class TelemetryService extends Service {
 
        static final int MSG_REGISTER_CLIENT   = 1;
        static final int MSG_UNREGISTER_CLIENT = 2;
-       static final int MSG_CONNECT_TELEBT    = 3;
+       static final int MSG_CONNECT           = 3;
+       static final int MSG_CONNECTED         = 4;
 
        public static final int STATE_NONE       = 0;
        public static final int STATE_READY      = 1;
        public static final int STATE_CONNECTING = 2;
        public static final int STATE_CONNECTED  = 3;
 
+       // Key names received from the TelemetryService Handler
+       public static final String KEY_DEVNAME = "key_devname";
+       public static final String KEY_TOAST   = "key_toast";
+
        // Unique Identification Number for the Notification.
        // We use it on Notification start, and to cancel it.
        private int NOTIFICATION = R.string.telemetry_service_label;
        //private NotificationManager mNM;
 
        ArrayList<Messenger> mClients = new ArrayList<Messenger>(); // Keeps track of all current registered clients.
-       final Messenger mMessenger = new Messenger(new IncomingHandler()); // Target we publish for clients to send messages to IncomingHandler.
+       final Handler   mHandler   = new IncomingHandler(this);
+       final Messenger mMessenger = new Messenger(mHandler); // Target we publish for clients to send messages to IncomingHandler.
 
        // Name of the connected device
        private String mConnectedDeviceName = null;
        private AltosBluetooth mAltosBluetooth = null;
-
+       private int state = STATE_NONE;
        LinkedBlockingQueue<AltosLine> telem;
 
        // Handler of incoming messages from clients.
@@ -79,24 +87,53 @@ public class TelemetryService extends Service {
                        switch (msg.what) {
                        case MSG_REGISTER_CLIENT:
                                s.mClients.add(msg.replyTo);
+                               try {
+                                       msg.replyTo.send(Message.obtain(null, AltosDroid.MSG_STATE_CHANGE, s.state, -1));
+                               } catch (RemoteException e) {
+                                       s.mClients.remove(msg.replyTo);
+                               }
                                if (D) Log.d(TAG, "Client bound to service");
                                break;
                        case MSG_UNREGISTER_CLIENT:
                                s.mClients.remove(msg.replyTo);
                                if (D) Log.d(TAG, "Client unbound from service");
                                break;
-                       case MSG_CONNECT_TELEBT:
+                       case MSG_CONNECT:
                                if (D) Log.d(TAG, "Connect command received");
                                s.startAltosBluetooth((BluetoothDevice) msg.obj);
                                break;
+                       case MSG_CONNECTED:
+                               if (D) Log.d(TAG, "Connected to device");
+                               s.mConnectedDeviceName = msg.getData().getString(KEY_DEVNAME);
+                               Message m = Message.obtain(null, AltosDroid.MSG_DEVNAME);
+                               Bundle b = new Bundle();
+                               b.putString(AltosDroid.KEY_DEVNAME, s.mConnectedDeviceName);
+                               m.setData(b);
+                               s.sendMessageToClients(m);
+                               s.setState(STATE_CONNECTED);
+                               s.mAltosBluetooth.add_monitor(s.telem);
+                               break;
                        default:
                                super.handleMessage(msg);
                        }
                }
        }
 
+       private void sendMessageToClients(Message m) {
+               for (int i=mClients.size()-1; i>=0; i--) {
+                       try {
+                               mClients.get(i).send(m);
+                       } catch (RemoteException e) {
+                               mClients.remove(i);
+                       }
+               }
+       }
+
        private void stopAltosBluetooth() {
+               if (D) Log.i(TAG, "Stopping BT");
+               setState(STATE_READY);
                if (mAltosBluetooth != null) {
+                       if (D) Log.i(TAG, "Closing AltosBluetooth");
                        mAltosBluetooth.close();
                        mAltosBluetooth = null;
                }
@@ -104,14 +141,25 @@ public class TelemetryService extends Service {
        }
 
        private void startAltosBluetooth(BluetoothDevice d) {
-               mAltosBluetooth = new AltosBluetooth(d);
-               mAltosBluetooth.add_monitor(telem);
+                       if (D) Log.i(TAG, "Connecting to " + d.getName());
+                       mAltosBluetooth = new AltosBluetooth(d, mHandler);
+                       setState(STATE_CONNECTING);
+       }
+
+       private synchronized void setState(int s) {
+               if (D) Log.d(TAG, "setState() " + state + " -> " + s);
+               state = s;
+
+               sendMessageToClients(Message.obtain(null, AltosDroid.MSG_STATE_CHANGE, state, -1));
        }
 
        @Override
        public void onCreate() {
                // Create a reference to the NotificationManager so that we can update our notifcation text later
                //mNM = (NotificationManager)getSystemService(NOTIFICATION_SERVICE);
+
+               telem = new LinkedBlockingQueue<AltosLine>();
+               setState(STATE_READY);
        }
 
        @Override