| /******************************************************************************* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| *******************************************************************************/ |
| package org.ofbiz.base.splash; |
| |
| import java.awt.Dimension; |
| import java.awt.Frame; |
| import java.awt.Graphics; |
| import java.awt.Image; |
| import java.awt.MediaTracker; |
| import java.awt.Rectangle; |
| import java.awt.Toolkit; |
| import java.awt.Window; |
| |
| @SuppressWarnings("serial") |
| public final class SplashScreen extends Frame { |
| |
| private final String fImageId; |
| private MediaTracker fMediaTracker; |
| private Window splashWindow; |
| private Image fImage; |
| |
| public SplashScreen(String aImageId) { |
| if (aImageId == null || aImageId.trim().length() == 0) { |
| throw new IllegalArgumentException("Image Id does not have content."); |
| } |
| fImageId = aImageId; |
| } |
| |
| public void splash() { |
| initImageAndTracker(); |
| setSize(fImage.getWidth(null), fImage.getHeight(null)); |
| center(); |
| |
| fMediaTracker.addImage(fImage, 0); |
| try { |
| fMediaTracker.waitForID(0); |
| } catch (InterruptedException ie) { |
| System.out.println("Cannot track image load."); |
| } |
| |
| splashWindow = new SplashWindow(this, fImage); |
| } |
| |
| public void close() { |
| this.dispose(); |
| splashWindow.dispose(); |
| splashWindow = null; |
| } |
| |
| private void initImageAndTracker() { |
| fMediaTracker = new MediaTracker(this); |
| fImage = Toolkit.getDefaultToolkit().getImage(fImageId); |
| } |
| |
| private void center() { |
| Dimension screen = Toolkit.getDefaultToolkit().getScreenSize(); |
| Rectangle frame = getBounds(); |
| setLocation((screen.width - frame.width) / 2, (screen.height - frame.height) / 2); |
| } |
| |
| private class SplashWindow extends Window { |
| |
| private Image fImage; |
| |
| public SplashWindow(Frame aParent, Image aImage) { |
| super(aParent); |
| fImage = aImage; |
| setSize(fImage.getWidth(null), fImage.getHeight(null)); |
| Dimension screen = Toolkit.getDefaultToolkit().getScreenSize(); |
| Rectangle window = getBounds(); |
| setLocation((screen.width - window.width) / 2, (screen.height - window.height) / 2); |
| setVisible(true); |
| } |
| |
| @Override |
| public void paint(Graphics graphics) { |
| if (fImage != null) { |
| graphics.drawImage(fImage, 0, 0, this); |
| } |
| } |
| } |
| } |