Android Open Source - ubihelper Peer Request Info Activity

• Back to Network/sensor  ↑

From Project

Back to project page ubihelper.

License

The source code is released under:

GNU General Public License

Java Source Code

/**
 * Copyright (c) 2012 The University of Nottingham
 * /*  w  w  w. j  av  a2  s . c o m*/
 * This file is part of ubihelper
 *
 *  ubihelper is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  ubihelper is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with ubihelper. If not, see <http://www.gnu.org/licenses/>.
 *  
 *  @author Chris Greenhalgh (cmg@cs.nott.ac.uk), The University of Nottingham
 */
package uk.ac.horizon.ubihelper.ui;

import uk.ac.horizon.ubihelper.R;
import uk.ac.horizon.ubihelper.R.id;
import uk.ac.horizon.ubihelper.R.layout;
import uk.ac.horizon.ubihelper.service.PeerManager;
import uk.ac.horizon.ubihelper.service.Service;
import uk.ac.horizon.ubihelper.service.PeerManager.PeerRequestInfo;
import uk.ac.horizon.ubihelper.service.PeerManager.PeerRequestState;
import uk.ac.horizon.ubihelper.service.PeerManager.SearchInfo;
import uk.ac.horizon.ubihelper.service.Service.LocalBinder;
import android.app.Activity;
import android.content.BroadcastReceiver;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.ServiceConnection;
import android.os.Bundle;
import android.os.IBinder;
import android.util.Log;
import android.widget.TextView;

/**
 * @author cmg
 *
 */
public class PeerRequestInfoActivity extends Activity {
  static final String TAG = "ubihelper-peerinfo";
  
  private PeerManager peerManager;
  private PeerManager.PeerRequestInfo peerInfo;
  private TextView peerInfoName, peerInfoSourceip, peerInfoState, peerInfoPort, peerInfoDetail;
  
  public static Intent getStartActivityIntent(Context context, PeerManager.SearchInfo si) {
    Intent i = new Intent(context, PeerRequestInfoActivity.class);
    i.putExtra(PeerManager.EXTRA_NAME, si.name);
    i.putExtra(PeerManager.EXTRA_SOURCEIP, si.src.getHostAddress());
    return i;
  }
  public static Intent getStartActivityIntent(Context context,
      PeerRequestInfo pi) {
    Intent i = new Intent(context, PeerRequestInfoActivity.class);
    i.putExtra(PeerManager.EXTRA_NAME, pi.instanceName);
    i.putExtra(PeerManager.EXTRA_SOURCEIP, pi.src.getHostAddress());
    return i;
  }

  
  /** monitor binding to service (used for preference update push) */
  private ServiceConnection mServiceConnection = new ServiceConnection() {

    public void onServiceConnected(ComponentName name, IBinder binder) {
      peerManager = ((Service.LocalBinder)binder).getService().getPeerManager();
      Log.d(TAG,"Service connected");
      refresh(null);
    }

    public void onServiceDisconnected(ComponentName name) {
      peerManager = null;
      Log.d(TAG,"Service disconnected");
    }    
  };
  

  private void refresh(Intent intent) {
    if (intent!=null) {
      String id = intent.getExtras().getString(PeerManager.EXTRA_ID);
      if (id!=null) {
        String state = intent.getExtras().getString(PeerManager.EXTRA_PEER_STATE);
        if (PeerManager.PeerRequestState.STATE_PEERED.name().equals(state) ||
            PeerManager.PeerRequestState.STATE_PEERED_UNTRUSTED.name().equals(state)) {
          finish();
          startActivity(PeerInfoActivity.getStartActivityIntent(this, id));
          return;
        }            
      }
    }
    //Log.d(TAG,"refresh start");
    // this routine blocks when called from ServiceConnection, presumably because of the call to getPeer
    boolean ok = false;
    // fallback values
    if (getIntent()!=null) {
      String name = getIntent().getExtras().getString(PeerManager.EXTRA_NAME);
      peerInfoName.setText(name);
      String sourceip = getIntent().getExtras().getString(PeerManager.EXTRA_SOURCEIP);
      peerInfoSourceip.setText(sourceip);
    }
    if (peerManager!=null && getIntent()!=null) {
      //Log.d(TAG,"getPeer...");
      // this call blocks when called from ServiceConnection, presumably because of the lock on getPeer
      peerInfo = peerManager.getPeer(getIntent());
      //Log.d(TAG,"getPeer done");
      if (peerInfo!=null) {
        peerInfoName.setText(peerInfo.instanceName);
        peerInfoSourceip.setText(peerInfo.src.getHostAddress());
        peerInfoState.setText(peerInfo.state.name());
        peerInfoPort.setText(Integer.toString(peerInfo.port));
        peerInfoDetail.setText(peerInfo.detail!=null ? peerInfo.detail : "");
        ok = true;
      }
      else if (intent!=null) {
        try {
          String state = PeerManager.PeerRequestState.values()[intent.getExtras().getInt(PeerManager.EXTRA_PEER_STATE)].name();
          peerInfoState.setText(state+" (deleted)");
        }
        catch (Exception e) {
          int state = intent.getExtras().getInt(PeerManager.EXTRA_PEER_STATE);
          peerInfoState.setText(state+" (deleted)");
        }
        String detail = intent.getExtras().getString(PeerManager.EXTRA_DETAIL);
        peerInfoDetail.setText(detail!=null ? detail : "");
        peerInfoPort.setText("?");      
        ok = true;
      }
    }
    if (!ok) {
      //peerInfoName.setText("?");
      //peerInfoSourceip.setText("?");
      peerInfoState.setText("?");
      peerInfoPort.setText("?");      
      peerInfoDetail.setText("?");      
    }
    Log.d(TAG,"refresh complete");
  }

  private BroadcastReceiver peerChangeListener = new BroadcastReceiver () {
    @Override
    public void onReceive(Context context, Intent intent) {
      if (peerInfo!=null && PeerManager.matches(peerInfo, intent))
        refresh(intent);
    }    
  };

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.peer_request_info);
    peerInfoName = (TextView)findViewById(R.id.peer_info_name);
    peerInfoSourceip= (TextView)findViewById(R.id.peer_info_sourceip);
    peerInfoState = (TextView)findViewById(R.id.peer_info_state);
    peerInfoPort = (TextView)findViewById(R.id.peer_info_port);
    peerInfoDetail = (TextView)findViewById(R.id.peer_info_detail);
  }

  @Override
  protected void onStart() {
    super.onStart();
    Intent i = new Intent(this, Service.class);
    IntentFilter peerChangeFilter = new IntentFilter(PeerManager.ACTION_PEER_REQUEST_STATE_CHANGED);
    registerReceiver(peerChangeListener, peerChangeFilter);
    bindService(i, mServiceConnection, 0);
  }

  @Override
  protected void onStop() {
    super.onStop();
    unbindService(mServiceConnection);
    unregisterReceiver(peerChangeListener);
  }

}

Java Source Code List

• Back to Network/sensor  ↑