bluetoothserverworkflow.java

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// Copyright (c) 2005 Sony Ericsson Mobile Communications AB
//
// This software is provided "AS IS," without a warranty of any kind. 
// ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, 
// INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A 
// PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. 
//
// THIS SOFTWARE IS COMPLEMENTARY OF JAYWAY AB (www.jayway.se)

package bluegammon.gui;

import java.io.IOException;

import javax.bluetooth.LocalDevice;

import bluegammon.Bluegammon;
import bluegammon.Resources;
import bluegammon.gui.menu.ItemAction;
import bluegammon.gui.menu.MenuPage;
import bluegammon.gui.menu.PageItem;
import bluegammon.gui.popup.Popup;
import bluegammon.gui.popup.PopupListener;
import bluegammon.io.BackgammonBTConnection;

/**
 * Handles the different steps of setting up a server
 * and awaiting a client. 
 * @author Peter Andersson
 */
public class BluetoothServerWorkflow implements PopupListener, ItemAction
{
  /** The connection */
  protected BackgammonBTConnection m_serverConnection = null;
  /** Reference to popup we need to close on successful connection */
  protected Popup m_popup;
  
  /**
   * Called when user sets up a server.
   */
  public void itemAction(MenuPage page, PageItem item)
  {
    synchronized (this)
    {
      m_serverConnection = new BackgammonBTConnection();
    }
    m_popup = Bluegammon.showPopup(Resources.getChars(Resources.TXT_BT_SERVER_OPENED),
        Popup.ALT_CANCEL, 0, 0, 0, this);
    try
    {
      // If there already is a workflow waiting for client, just show popup.
      // Another thread is still waiting for a client somewhere in the dark,
      // and will handle any possible client connection.
      if (m_serverConnection.isAwaitingClient())
      {
        // Just tell the server that we will accept a client if it arrives.
        // Non blocking call.
        m_serverConnection.waitForClient();
      }
      else
      {
        // Wait for client, blocking call.
        m_serverConnection.waitForClient();
        if (m_popup != null)
        {
          m_popup.dispose();
          m_popup = null;
        }
        char[] localName = Resources.getChars(Resources.TXT_BT_UNKNOWN);
        try
        {
          localName = LocalDevice.getLocalDevice().getFriendlyName().toCharArray();
        } catch (Throwable t) {}
        if (!m_serverConnection.isClosed())
        {
          Bluegammon.setBackgammonConnection(m_serverConnection);
          Bluegammon.startRemoteGame(true, localName);
        }
      }
    }
    catch (IOException ioe)
    {
      m_popup = null;
      Bluegammon.showPopup((Resources.getString(Resources.TXT_BT_SERVER_FAILURE) + "\n" + 
          ioe.getMessage()).toCharArray(),
          Popup.ALT_OK, 60, 0, 0, null);
      try
      {
        m_serverConnection.close();
      } catch (IOException e) {}
      ioe.printStackTrace();
    }
  }
  
  /**
   * Called when user cancels a server setup.
   */
  public void selectedChoice(byte choice, boolean timeOut)
  {
    if (m_popup != null)
    {
      m_popup.dispose();
      m_popup = null;
    }
    synchronized (this)
    {
      if (m_serverConnection != null)
      {
        m_serverConnection.pretendServerClose();
      }
    }
  }
}