package com.valhalla.jbother.plugins;import com.valhalla.pluginmanager.*;import com.valhalla.jbother.plugins.events.*;import com.valhalla.gui.*;import com.valhalla.jbother.*;import com.valhalla.jbother.preferences.*;import com.apple.cocoa.application.NSApplication;import java.util.*;import com.apple.eawt.*;/** * OS X specific notification class. * This class will make the dock icon bounce until the user makes * the application active.  On other platforms, it does nothing. * * @author     Adam Olsen * @created    October 31, 2004 * @version    1.0 */public class OSXPlugin extends ApplicationAdapter implements Plugin,	PluginEventListener{	private int task;	private NSApplication app;	private Application a = new Application();	/**	 * Initializes the plugin	 */	public boolean init()	{		if( System.getProperty( "mrj.version" ) == null )		{			Standard.warningMessage( null, "OS X Plugin",				"The OS X plugin only works on OS X." );			return false;		}		BuddyList.getInstance().getTopMenu().setOSX( true );		a.addApplicationListener( this );		a.addPreferencesMenuItem();		a.setEnabledPreferencesMenu( true );		PluginChain.addListener( this );		return true;	}	public void handleAbout( ApplicationEvent event )	{		if( !DialogTracker.containsDialog( AboutDialog.class )  ) new AboutDialog().setVisible(true);		event.setHandled( true );	}	public void handlePreferences( ApplicationEvent event )	{		if( !DialogTracker.containsDialog( PreferencesDialog.class )  ) new PreferencesDialog().setVisible(true);		event.setHandled( true );	}	public void handleQuit( ApplicationEvent event )	{		BuddyList.getInstance().quitHandler();		event.setHandled( true );	}	/**	 * Unloads the plugin	 */	public void unload()	{		PluginChain.removeListener( this );		a.removeApplicationListener( this );		BuddyList.getInstance().getTopMenu().setOSX( false );	}	/**	 * Listens for MessageReceivedEvent events	 *	 * @param  event  the event	 */	public void handleEvent( PluginEvent event )	{		if( event instanceof MessageReceivedEvent )		{			markNotify();		}	}	/**	 * the method to call that will make the dock icon bounce	 */	public void markNotify()	{		app = NSApplication.sharedApplication();		task = app.requestUserAttention( NSApplication.UserAttentionRequestInformational );		// because of a bug in Apple's Java API, we have to schedule a time to stop		// this user attention request		//new java.util.Timer().schedule( new AttentionTask(), 1500 );	}	/**	 * Stops the dock icon from bouncing	 *	 * @author     Adam Olsen	 * @created    October 31, 2004	 * @version    1.0	 */	class AttentionTask extends TimerTask	{		/**		 * Called by the <code>java.util.Timer</code>		 */		public void run()		{			// cancels the notifications			app.cancelUserAttentionRequest( task );		}	}}