Mac OS Application Adapter : Mac « Development Class « Java

1. Java
2. Development Class
3. Mac

Mac OS Application Adapter

/*
 * Copyright (c) Ian F. Darwin, http://www.darwinsys.com/, 1996-2002.
 * All rights reserved. Software written by Ian F. Darwin and others.
 * $Id: LICENSE,v 1.8 2004/02/09 03:33:38 ian Exp $
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 * 
 * Java, the Duke mascot, and all variants of Sun's Java "steaming coffee
 * cup" logo are trademarks of Sun Microsystems. Sun's, and James Gosling's,
 * pioneering role in inventing and promulgating (and standardizing) the Java 
 * language and environment is gratefully acknowledged.
 * 
 * The pioneering role of Dennis Ritchie and Bjarne Stroustrup, of AT&T, for
 * inventing predecessor languages C and C++ is also gratefully acknowledged.
 */

import javax.swing.JFrame;

import com.apple.eawt.Application;
import com.apple.eawt.ApplicationEvent;
import com.apple.eawt.ApplicationListener;

/**
 * The only os-dependant part of com.darwinsys, this is the
 * adapter class to handle MacOS's "different" way of doing About Box,
 * Quit item in App menu, Preferences, and so on.
 */
public class MacOSAppAdapter extends Application {
  ApplicationListener appListener;
  JFrame  parent;
  AboutBoxHandler abouter;
  PrefsHandler prefser;
  PrintHandler printer;
  ShutdownHandler shutter;


  /** Construct a MacOSAppAdapter.
   * @param theParent A JFrame, usually the main application window.
   * @param about A handler for the About box.
   * @param prefs A Preferences handler.
   * @param print A Print handler (bug: does not get invoked now).
   * @param shut A shutdown handler
   */
  public MacOSAppAdapter(JFrame theParent, AboutBoxHandler about,
    PrefsHandler prefs, PrintHandler print, ShutdownHandler shut) {
    appListener = new MyAppEventHandler();
    parent = theParent;

    if (about != null) {
      abouter = about;
      setEnabledAboutMenu(true);
      addAboutMenuItem();
    }

    if (prefs != null) {
      prefser = prefs;
      setEnabledPreferencesMenu(true);
      addPreferencesMenuItem();
    }
    
    printer = print;

    shutter = shut;
  }

  /** Method to register this handler with Apple's event manager, calling
   * addApplicationListener in parent class.
   */
  public void register() {
    addApplicationListener(appListener);
  }

  /** Inner class to provide ApplicationListener support. */
  class MyAppEventHandler implements ApplicationListener {

    /** This is called when the user does Application->About */
    public void handleAbout(ApplicationEvent event) {
      abouter.showAboutBox(parent);
      event.setHandled(true);
    }

    /** Called when the user does Application->Preferences */
    public void handlePreferences(ApplicationEvent event) {
      if (prefser != null)
        prefser.showPrefsDialog(parent);
        event.setHandled(true);
    }

    public void handlePrint(ApplicationEvent event) {
      if (printer != null)
        printer.doPrint(parent);
        event.setHandled(true);
    }

    /** This is called when the user does Application->Quit */
    public void handleQuit(ApplicationEvent event) {
      if (shutter != null)
        shutter.shutdown(parent);
      System.exit(0);  // should be notreached
    }

    /**
     * @see com.apple.eawt.ApplicationListener#handleOpenApplication(com.apple.eawt.ApplicationEvent)
     */
    public void handleOpenApplication(ApplicationEvent arg0) {
      // TODO Auto-generated method stub
      
    }

    /**
     * @see com.apple.eawt.ApplicationListener#handleOpenFile(com.apple.eawt.ApplicationEvent)
     */
    public void handleOpenFile(ApplicationEvent arg0) {
      // TODO Auto-generated method stub
      
    }

    /**
     * @see com.apple.eawt.ApplicationListener#handlePrintFile(com.apple.eawt.ApplicationEvent)
     */
    public void handlePrintFile(ApplicationEvent arg0) {
      // TODO Auto-generated method stub
      
    }

    /**
     * @see com.apple.eawt.ApplicationListener#handleReOpenApplication(com.apple.eawt.ApplicationEvent)
     */
    public void handleReOpenApplication(ApplicationEvent arg0) {
      // TODO Auto-generated method stub
      
    }
  }
}


           
       

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