altosdroid: create connected() method

[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 1903cc1de2d8c2084cebfebda7cdabad9a3590ac..a1b1915a9fefd4b08d9cf248238ecc7e166fd28c 100644 (file)
--- a/altosdroid/src/org/altusmetrum/AltosDroid/TelemetryService.java
+++ b/altosdroid/src/org/altusmetrum/AltosDroid/TelemetryService.java
@@ -27,17 +27,15 @@ 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;
 
-// Need the following import to get access to the app resources, since this
-// class is in a sub-package.
-//import org.altusmetrum.AltosDroid.R;
-
 import org.altusmetrum.AltosLib.*;
 
 public class TelemetryService extends Service {
@@ -49,6 +47,8 @@ public class TelemetryService extends Service {
        static final int MSG_UNREGISTER_CLIENT = 2;
        static final int MSG_CONNECT           = 3;
        static final int MSG_CONNECTED         = 4;
+       static final int MSG_CONNECT_FAILED    = 5;
+       static final int MSG_DISCONNECTED      = 6;
 
        public static final int STATE_NONE       = 0;
        public static final int STATE_READY      = 1;
@@ -65,7 +65,7 @@ public class TelemetryService extends Service {
        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 BluetoothDevice device = null;
        private AltosBluetooth mAltosBluetooth = null;
        private int state = STATE_NONE;
        LinkedBlockingQueue<AltosLine> telem;
@@ -81,6 +81,12 @@ 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_DEVNAME, s.device.getName()));
+                                       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:
@@ -89,31 +95,59 @@ public class TelemetryService extends Service {
                                break;
                        case MSG_CONNECT:
                                if (D) Log.d(TAG, "Connect command received");
-                               s.startAltosBluetooth((BluetoothDevice) msg.obj);
+                               s.device = (BluetoothDevice) msg.obj;
+                               s.startAltosBluetooth();
                                break;
                        case MSG_CONNECTED:
                                if (D) Log.d(TAG, "Connected to device");
-                               s.setState(STATE_CONNECTED);
+                               s.connected();
                                s.mAltosBluetooth.add_monitor(s.telem);
                                break;
+                       case MSG_CONNECT_FAILED:
+                               if (D) Log.d(TAG, "Connection failed... retrying");
+                               s.startAltosBluetooth();
+                               break;
+                       case MSG_DISCONNECTED:
+                               if (D) Log.d(TAG, "Disconnected from " + s.device.getName());
+                               s.stopAltosBluetooth();
+                               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;
                }
+               device = null;
                telem.clear();
        }
 
-       private void startAltosBluetooth(BluetoothDevice d) {
-                       mAltosBluetooth = new AltosBluetooth(d, mHandler);
+       private void startAltosBluetooth() {
+               if (mAltosBluetooth == null) {
+                       if (D) Log.i(TAG, "Connecting to " + device.getName());
+                       mAltosBluetooth = new AltosBluetooth(device, mHandler);
                        setState(STATE_CONNECTING);
+               } else {
+                       stopAltosBluetooth();
+                       mHandler.sendMessageDelayed(Message.obtain(null, MSG_CONNECT, device), 1000);
+               }
        }
 
        private synchronized void setState(int s) {
@@ -123,6 +157,12 @@ public class TelemetryService extends Service {
                sendMessageToClients(Message.obtain(null, AltosDroid.MSG_STATE_CHANGE, state, -1));
        }
 
+       private void connected() {
+               sendMessageToClients(Message.obtain(null, AltosDroid.MSG_DEVNAME, device.getName()));
+               setState(STATE_CONNECTED);
+       }
+
+
        @Override
        public void onCreate() {
                // Create a reference to the NotificationManager so that we can update our notifcation text later