/**
 * BigBlueButton open source conferencing system - http://www.bigbluebutton.org/
 * 
 * Copyright (c) 2012 BigBlueButton Inc. and by respective authors (see below).
 *
 * This program is free software; you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License as published by the Free Software
 * Foundation; either version 3.0 of the License, or (at your option) any later
 * version.
 * 
 * BigBlueButton 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along
 * with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
 *
 */
package org.bigbluebutton.screenshare.client;

import java.awt.*;
import java.awt.event.*;

public class DeskshareSystemTray {
  private SystemTrayListener listener;
  private TrayIcon trayIcon = null;
  private SystemTray tray = null;

  public void addSystemTrayListener(SystemTrayListener l) {
    listener = l;
  }

  public void displayIconOnSystemTray(final Image image, final boolean enableActions) {
    Runnable runner = new Runnable() {
      public void run() {
        if (SystemTray.isSupported()) {
          tray = SystemTray.getSystemTray();

          PopupMenu popup = new PopupMenu();
          trayIcon = new TrayIcon(image, "Sharing Desktop", popup);		          

          if (enableActions) {
            MenuItem stopItem = new MenuItem("Stop Sharing");
            stopItem.addActionListener(new StopSharingListener(
                trayIcon, "Stop Desktop Sharing", "Stop sharing your desktop", TrayIcon.MessageType.INFO));
            popup.add(stopItem);						
          }


          try {
            tray.add(trayIcon);
            trayIcon.displayMessage("Sharing Desktop", "You are now sharing your desktop", TrayIcon.MessageType.INFO);
          } catch (AWTException e) {
            System.err.println("Can't add to tray");
          }
        } else {
          System.err.println("Tray unavailable");
        }
      }
    };
    EventQueue.invokeLater(runner);
  }

  /*****************************************************************************
    ;  disconnectIconSystemTrayMessage
    ;----------------------------------------------------------------------------
	; DESCRIPTION
	;   This routine is used to change icon system tray message string 
	;   to disconnect.
	;
	; RETURNS : N/A
	;
	; INTERFACE NOTES
	; 
	;       INPUT : N/A
	; 
	;       OUTPUT : N/A
	; 
	; IMPLEMENTATION
	;
	; HISTORY
	; __date__ :        PTS:  
	; 2010.11.19		problem 272
	;
   ******************************************************************************/
  public void disconnectIconSystemTrayMessage(){
    trayIcon.setToolTip("Disconnected");
    trayIcon.displayMessage("Deskshare Disconnected" , 
        "You're disconnected from desktop sharing", 
        TrayIcon.MessageType.ERROR);
  } // END FUNCTION disconnectIconSystemTrayMessage

  public void removeIconFromSystemTray() {
    if (tray != null && trayIcon != null) {
      tray.remove(trayIcon);
    }
  }

  class StopSharingListener implements ActionListener {
    TrayIcon trayIcon;
    String title;
    String message;
    TrayIcon.MessageType messageType;

    StopSharingListener(TrayIcon trayIcon, String title,
        String message, TrayIcon.MessageType messageType) {
      this.trayIcon = trayIcon;
      this.title = title;
      this.message = message;
      this.messageType = messageType;
    }

    public void actionPerformed(ActionEvent e) {
      trayIcon.displayMessage(title, message, messageType);
      if (listener != null) {
        listener.onStopSharingSysTrayMenuClicked();
      }
    }
  }

}