Addition of SplashScreen class.

L2J_Mobius_2.5_Underground/java/com/l2jmobius/commons/util/SplashScreen.java

@@ -0,0 +1,78 @@
+/*
+ * This file is part of the L2J Mobius project.
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program 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
+ * General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.l2jmobius.commons.util;
+
+import java.awt.Color;
+import java.awt.Frame;
+import java.awt.Graphics;
+import java.awt.Image;
+import java.awt.Toolkit;
+import java.util.concurrent.Executors;
+import java.util.concurrent.TimeUnit;
+
+import javax.swing.ImageIcon;
+import javax.swing.JFrame;
+import javax.swing.JWindow;
+
+/**
+ * @author Mobius
+ */
+public class SplashScreen extends JWindow
+{
+	Image image;
+	JFrame parentFrame;
+	
+	/**
+	 * @param path of image file
+	 * @param time in milliseconds
+	 * @param parent frame to set visible after time ends
+	 */
+	public SplashScreen(String path, long time, JFrame parent)
+	{
+		parentFrame = parent;
+		setBackground(new Color(0, 255, 0, 0)); // Transparency.
+		image = Toolkit.getDefaultToolkit().getImage(path);
+		ImageIcon imageIcon = new ImageIcon(image);
+		setSize(imageIcon.getIconWidth(), imageIcon.getIconHeight());
+		setLocationRelativeTo(null);
+		setVisible(true);
+		
+		// Schedule to dispose.
+		Executors.newScheduledThreadPool(1).schedule(this::dispose, imageIcon.getIconWidth() > 0 ? time : 100, TimeUnit.MILLISECONDS);
+	}
+	
+	@Override
+	public void dispose()
+	{
+		setVisible(false);
+		if (parentFrame != null)
+		{
+			// Make parent visible.
+			parentFrame.setVisible(true);
+			// Focus parent window.
+			parentFrame.toFront();
+			parentFrame.setState(Frame.NORMAL);
+		}
+		super.dispose();
+	}
+	
+	@Override
+	public void paint(Graphics g)
+	{
+		g.drawImage(image, 0, 0, null);
+	}
+}