| /******************************************************************************* |
| * Copyright (c) 2007, 2015 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| * Stefan Winkler <stefan@winklerweb.net> - Bug 430848 |
| *******************************************************************************/ |
| package org.eclipse.ui.splash; |
| |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.e4.ui.css.swt.CSSSWTConstants; |
| import org.eclipse.jface.dialogs.ProgressIndicator; |
| import org.eclipse.jface.window.Window; |
| import org.eclipse.jface.wizard.ProgressMonitorPart; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.graphics.Color; |
| import org.eclipse.swt.graphics.Font; |
| import org.eclipse.swt.graphics.Point; |
| import org.eclipse.swt.graphics.RGB; |
| import org.eclipse.swt.graphics.Rectangle; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Label; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.ui.internal.StartupThreading.StartupRunnable; |
| |
| /** |
| * Basic splash implementation that provides an absolute positioned progress bar |
| * and message string that is hooked up to a progress monitor. |
| * |
| * @since 3.3 |
| */ |
| public abstract class BasicSplashHandler extends AbstractSplashHandler { |
| |
| private static final String SPLASH_PROGRESS_PART_ID = "org-eclipse-ui-splash-progressPart"; //$NON-NLS-1$ |
| private static final String SPLASH_PROGRESS_INDICATOR_ID = "org-eclipse-ui-splash-progressIndicator"; //$NON-NLS-1$ |
| private static final String SPLASH_PROGRESS_TEXT_ID = "org-eclipse-ui-splash-progressText"; //$NON-NLS-1$ |
| |
| /** |
| * Hacks the progress monitor to have absolute positioning for its controls. In |
| * addition, all methods that access the controls will be wrapped in an |
| * asynchExec(). |
| */ |
| class AbsolutePositionProgressMonitorPart extends ProgressMonitorPart { |
| public AbsolutePositionProgressMonitorPart(Composite parent) { |
| super(parent, null); |
| setLayout(null); |
| setCSSData(); |
| } |
| |
| private void setCSSData() { |
| this.setData(CSSSWTConstants.CSS_ID_KEY, SPLASH_PROGRESS_PART_ID); |
| fProgressIndicator.setData(CSSSWTConstants.CSS_ID_KEY, SPLASH_PROGRESS_INDICATOR_ID); |
| fLabel.setData(CSSSWTConstants.CSS_ID_KEY, SPLASH_PROGRESS_TEXT_ID); |
| } |
| |
| public ProgressIndicator getProgressIndicator() { |
| return fProgressIndicator; |
| } |
| |
| public Label getProgressText() { |
| return fLabel; |
| } |
| |
| @Override |
| public void beginTask(final String name, final int totalWork) { |
| |
| updateUI(() -> { |
| if (isDisposed()) |
| return; |
| AbsolutePositionProgressMonitorPart.super.beginTask(name, totalWork); |
| }); |
| |
| } |
| |
| @Override |
| public void done() { |
| |
| updateUI(() -> { |
| if (isDisposed()) |
| return; |
| AbsolutePositionProgressMonitorPart.super.done(); |
| }); |
| |
| } |
| |
| @Override |
| public void internalWorked(final double work) { |
| |
| updateUI(() -> { |
| if (isDisposed()) |
| return; |
| AbsolutePositionProgressMonitorPart.super.internalWorked(work); |
| }); |
| |
| } |
| |
| @Override |
| public void setFont(final Font font) { |
| |
| updateUI(() -> { |
| if (isDisposed()) |
| return; |
| AbsolutePositionProgressMonitorPart.super.setFont(font); |
| }); |
| |
| } |
| |
| @Override |
| protected void updateLabel() { |
| |
| updateUI(() -> { |
| if (isDisposed()) |
| return; |
| AbsolutePositionProgressMonitorPart.super.updateLabel(); |
| }); |
| |
| } |
| } |
| |
| private Color foreground = null; |
| private AbsolutePositionProgressMonitorPart monitor; |
| private Rectangle messageRect; |
| private Rectangle progressRect; |
| |
| @Override |
| public IProgressMonitor getBundleProgressMonitor() { |
| if (monitor == null) { |
| Composite parent = new Composite(getSplash(), Window.getDefaultOrientation()); |
| Point size = getSplash().getSize(); |
| parent.setBounds(new Rectangle(0, 0, size.x, size.y)); |
| monitor = new AbsolutePositionProgressMonitorPart(parent); |
| monitor.setSize(size); |
| if (progressRect != null) |
| monitor.getProgressIndicator().setBounds(progressRect); |
| else |
| monitor.getProgressIndicator().setVisible(false); |
| |
| if (messageRect != null) |
| monitor.getProgressText().setBounds(messageRect); |
| else |
| monitor.getProgressText().setVisible(false); |
| |
| if (foreground != null) |
| monitor.getProgressText().setForeground(foreground); |
| monitor.setBackgroundMode(SWT.INHERIT_FORCE); |
| monitor.setBackgroundImage(getSplash().getShell().getBackgroundImage()); |
| } |
| return monitor; |
| } |
| |
| /** |
| * Set the foreground text color. This method has no effect after |
| * {@link #getBundleProgressMonitor()} has been invoked. |
| * |
| * @param foregroundRGB the color |
| */ |
| protected void setForeground(RGB foregroundRGB) { |
| if (monitor != null) |
| return; |
| this.foreground = new Color(getSplash().getShell().getDisplay(), foregroundRGB); |
| } |
| |
| /** |
| * Get the foreground text color. This color should not be disposed by callers. |
| * |
| * @return the foreground color |
| */ |
| protected Color getForeground() { |
| return foreground; |
| } |
| |
| /** |
| * Set the location of the message text in the splash. This method has no effect |
| * after {@link #getBundleProgressMonitor()} has been invoked. |
| * |
| * @param messageRect the location of the message text |
| */ |
| protected void setMessageRect(Rectangle messageRect) { |
| this.messageRect = messageRect; |
| } |
| |
| /** |
| * Set the location of the progress bar in the splash. This method has no effect |
| * after {@link #getBundleProgressMonitor()} has been invoked. |
| * |
| * @param progressRect the location of the progress bar |
| */ |
| protected void setProgressRect(Rectangle progressRect) { |
| this.progressRect = progressRect; |
| } |
| |
| /** |
| * Get the composite on which any supplemental controls should be drawn. This |
| * will not have a layout set and clients are responsible for setting the |
| * location of child controls manually. |
| * |
| * <p> |
| * This method must be called in the |
| * {@link #init(org.eclipse.swt.widgets.Shell)} method of a subclasses to ensure |
| * proper creation of controls |
| * </p> |
| * |
| * <p> |
| * Please note that the default implementation of this method assumes that the |
| * {@link IProgressMonitor} returned from {@link #getBundleProgressMonitor()} |
| * can be safely casted to a {@link Composite}. If this is not the case this |
| * method must be reimplemented to reflect the new progress controls. |
| * </p> |
| * |
| * @see #init(org.eclipse.swt.widgets.Shell) |
| * @return the composite |
| */ |
| protected Composite getContent() { |
| return (Composite) getBundleProgressMonitor(); |
| } |
| |
| /** |
| * Perform some update on the splash. If called from a non-UI thread it will be |
| * wrapped by a runnable that may be run before the workbench has been fully |
| * realized. |
| * |
| * @param r the update runnable |
| * @throws Throwable |
| */ |
| private void updateUI(final Runnable r) { |
| Shell splashShell = getSplash(); |
| if (splashShell == null || splashShell.isDisposed()) |
| return; |
| |
| Display display = splashShell.getDisplay(); |
| |
| if (Thread.currentThread() == display.getThread()) |
| r.run(); // run immediatley if we're on the UI thread |
| else { |
| // wrapper with a StartupRunnable to ensure that it will run before |
| // the UI is fully initialized |
| StartupRunnable startupRunnable = new StartupRunnable() { |
| |
| @Override |
| public void runWithException() throws Throwable { |
| r.run(); |
| } |
| }; |
| display.asyncExec(startupRunnable); |
| } |
| } |
| } |