| /******************************************************************************* |
| * Copyright (c) 2007, 2008 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.equinox.internal.p2.installer.ui; |
| |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.equinox.internal.p2.installer.Messages; |
| import org.eclipse.equinox.internal.provisional.p2.installer.*; |
| import org.eclipse.swt.widgets.Display; |
| |
| /** |
| * Install context that creates a simple SWT-based UI and interacts with a user. |
| */ |
| public class SWTInstallAdvisor extends InstallAdvisor { |
| private InstallDialog dialog; |
| private boolean started = false; |
| private boolean stopped = false; |
| |
| public IStatus performInstall(IInstallOperation operation) { |
| return dialog.run(operation); |
| } |
| |
| public InstallDescription prepareInstallDescription(InstallDescription description) { |
| if (description.getInstallLocation() == null) |
| dialog.promptForLocations(description); |
| return description; |
| } |
| |
| public boolean promptForLaunch(InstallDescription description) { |
| return dialog.promptForLaunch(description); |
| } |
| |
| public void setResult(IStatus status) { |
| String message; |
| if (status.getSeverity() == IStatus.CANCEL) { |
| message = Messages.Advisor_Canceled; |
| } else { |
| message = status.getMessage(); |
| } |
| dialog.promptForClose(message); |
| } |
| |
| public synchronized void start() { |
| if (stopped || started) |
| return; |
| started = true; |
| Display display = Display.getCurrent(); |
| if (display == null) |
| display = new Display(); |
| dialog = new InstallDialog(); |
| dialog.setMessage(Messages.Advisor_Preparing); |
| } |
| |
| public synchronized void stop() { |
| if (stopped || !started) |
| return; |
| stopped = true; |
| final InstallDialog activeDialog = dialog; |
| if (activeDialog == null) |
| return; |
| //clear the window now, so the reference is gone no matter what happens during cleanup |
| dialog = null; |
| final Display display = activeDialog.getDisplay(); |
| if (display == null || display.isDisposed()) |
| return; |
| display.syncExec(new Runnable() { |
| public void run() { |
| activeDialog.close(); |
| } |
| }); |
| display.dispose(); |
| } |
| |
| } |