EclipseSplashHandler.java

/*******************************************************************************
 * Copyright (c) 2007 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.ui.internal.splash;

import org.eclipse.core.runtime.IProduct;
import org.eclipse.core.runtime.Platform;
import org.eclipse.jface.resource.StringConverter;
import org.eclipse.swt.events.PaintEvent;
import org.eclipse.swt.events.PaintListener;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.branding.IProductConstants;
import org.eclipse.ui.internal.util.PrefUtil;
import org.eclipse.ui.splash.BasicSplashHandler;

/**
 * Parses the well known product constants and constructs a splash handler
 * accordingly.
 */
public class EclipseSplashHandler extends BasicSplashHandler {

	public void init(Shell splash) {
		super.init(splash);
		String progressRectString = null;
		String messageRectString = null;
		String foregroundColorString = null;
		IProduct product = Platform.getProduct();
		if (product != null) {
			progressRectString = product
					.getProperty(IProductConstants.STARTUP_PROGRESS_RECT);
			messageRectString = product
					.getProperty(IProductConstants.STARTUP_MESSAGE_RECT);
			foregroundColorString = product
					.getProperty(IProductConstants.STARTUP_FOREGROUND_COLOR);
		}
		Rectangle progressRect = StringConverter.asRectangle(
				progressRectString, new Rectangle(10, 10, 300, 15));
		setProgressRect(progressRect);

		Rectangle messageRect = StringConverter.asRectangle(messageRectString,
				new Rectangle(10, 35, 300, 15));
		setMessageRect(messageRect);

		int foregroundColorInteger;
		try {
			foregroundColorInteger = Integer
					.parseInt(foregroundColorString, 16);
		} catch (Exception ex) {
			foregroundColorInteger = 0xD2D7FF; // off white
		}

		setForeground(new RGB((foregroundColorInteger & 0xFF0000) >> 16,
				(foregroundColorInteger & 0xFF00) >> 8,
				foregroundColorInteger & 0xFF));
		// the following code will be removed for release time
		if (PrefUtil.getInternalPreferenceStore().getBoolean(
				"SHOW_BUILDID_ON_STARTUP")) { //$NON-NLS-1$
			final String buildId = System.getProperty(
					"eclipse.buildId", "Unknown Build"); //$NON-NLS-1$ //$NON-NLS-2$
			// find the specified location.  Not currently API
			// hardcoded to be sensible with our current Europa Graphic
			String buildIdLocString = product.getProperty("buildIdLocation"); //$NON-NLS-1$
			final Point buildIdPoint = StringConverter.asPoint(buildIdLocString,
					new Point(322, 190));
			getContent().addPaintListener(new PaintListener() {

				public void paintControl(PaintEvent e) {
					e.gc.setForeground(getForeground());
					e.gc.drawText(buildId, buildIdPoint.x, buildIdPoint.y, true);
				}
			});
		}
		else {
			getContent(); // ensure creation of the progress
		}
	}
}