com.izforge.izpack.installer.gui.SplashScreen Maven / Gradle / Ivy

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package com.izforge.izpack.installer.gui;

import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.logging.Level;
import java.util.logging.Logger;

import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.Timer;

import com.izforge.izpack.api.resource.Resources;
import com.izforge.izpack.installer.data.GUIInstallData;

/**
 * Splash screen to show before loading any other panels.
 */
public class SplashScreen
{
    private static final Logger logger = Logger.getLogger(SplashScreen.class.getName());

    private final Resources resources;
    private final GUIInstallData installData;
    
    private JFrame frame;

    public SplashScreen(Resources resources, GUIInstallData installData)
    {
        this.installData = installData;
        this.resources = resources;
    }

    /**
     * Display the splash screen.
     * Will only display if the user has set the guipref modifier.
     * Splash screen will display for a minimum fo X milliseconds based on the user's useSplashScreen modifier's value.
     */
    public void displaySplashScreen(final Object trigger)
    {
        if (installData.guiPrefs.modifier.containsKey("useSplashScreen"))
        {
            ImageIcon splashIcon = resources.getImageIcon("/resources/Splash.image");
            if (splashIcon != null)
            {
            	try {
	            	frame = new JFrame();
	            	frame.setUndecorated(true);
	            	
	            	JLabel labelSplash = new JLabel(splashIcon);
	                
	            	frame.getContentPane().add(labelSplash, BorderLayout.CENTER);
	            	frame.pack();
	                frame.setLocationRelativeTo(null);
	                
	                frame.setVisible(true);
            	}
            	catch (Exception e) {
            		logger.log(Level.WARNING, "Prepare and display splashScreen failed.", e);
            	}
            }
            else {
            	logger.log(Level.WARNING, "No splash icon found!!!");
            }
            
            try
            {
                int duration = Integer.parseInt(installData.guiPrefs.modifier.get("useSplashScreen"));
                if(duration > 0)
                {
                	// we're in AWT thread already, start a swing timer that notifies the waiting thread
                    Timer timer = new Timer(duration, new ActionListener() {
						
						@Override
						public void actionPerformed(ActionEvent e) {
				            
				            synchronized (trigger) {
				            	trigger.notifyAll();
							}
						}
					});
                    timer.setRepeats(false);
                    timer.start();
                }
            }
            catch (Exception e)
            {
                //Failed to sleep
                //Failed to get duration
                //Failed to get splash screen resource
            }
        }
    }

    /**
     * Remove the splash screen screen.
     */
    public void removeSplashScreen()
    {
    	if (frame != null) {
    		frame.setVisible(false);
    	}
    }
}