| /******************************************************************************* |
| * Copyright (c) 2005, 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.browser; |
| |
| import java.io.IOException; |
| import java.net.URL; |
| |
| import org.eclipse.jface.dialogs.MessageDialog; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.program.Program; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.ui.PartInitException; |
| import org.eclipse.ui.browser.AbstractWebBrowser; |
| import org.eclipse.ui.internal.WorkbenchMessages; |
| |
| /** |
| * The default implementation of the web browser instance. |
| * |
| * @since 3.1 |
| */ |
| public class DefaultWebBrowser extends AbstractWebBrowser { |
| private DefaultWorkbenchBrowserSupport support; |
| |
| private String webBrowser; |
| |
| private boolean webBrowserOpened; |
| |
| /** |
| * Creates the browser instance. |
| * |
| * @param support |
| * @param id |
| */ |
| public DefaultWebBrowser(DefaultWorkbenchBrowserSupport support, String id) { |
| super(id); |
| this.support = support; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.browser.IWebBrowser#openURL(java.net.URL) |
| */ |
| public void openURL(URL url) throws PartInitException { |
| // format the href for an html file (file:///<filename.html> |
| // required for Mac only. |
| String href = url.toString(); |
| if (href.startsWith("file:")) { //$NON-NLS-1$ |
| href = href.substring(5); |
| while (href.startsWith("/")) { //$NON-NLS-1$ |
| href = href.substring(1); |
| } |
| href = "file:///" + href; //$NON-NLS-1$ |
| } |
| final String localHref = href; |
| |
| final Display d = Display.getCurrent(); |
| String platform = SWT.getPlatform(); |
| |
| if ("win32".equals(platform)) { //$NON-NLS-1$ |
| Program.launch(localHref); |
| } else if ("carbon".equals(platform)) { //$NON-NLS-1$ |
| try { |
| Runtime.getRuntime().exec("/usr/bin/open " + localHref); //$NON-NLS-1$ |
| } catch (IOException e) { |
| throw new PartInitException( |
| WorkbenchMessages.ProductInfoDialog_unableToOpenWebBrowser, |
| e); |
| } |
| } else { |
| Thread launcher = new Thread("About Link Launcher") {//$NON-NLS-1$ |
| public void run() { |
| try { |
| /* |
| * encoding the href as the browser does not open if |
| * there is a space in the url. Bug 77840 |
| */ |
| String encodedLocalHref = urlEncodeForSpaces(localHref |
| .toCharArray()); |
| if (webBrowserOpened) { |
| Runtime |
| .getRuntime() |
| .exec( |
| webBrowser |
| + " -remote openURL(" + encodedLocalHref + ")"); //$NON-NLS-1$ //$NON-NLS-2$ |
| } else { |
| Process p = openWebBrowser(encodedLocalHref); |
| webBrowserOpened = true; |
| try { |
| if (p != null) { |
| p.waitFor(); |
| } |
| } catch (InterruptedException e) { |
| openWebBrowserError(d); |
| } finally { |
| webBrowserOpened = false; |
| } |
| } |
| } catch (IOException e) { |
| openWebBrowserError(d); |
| } |
| } |
| }; |
| launcher.start(); |
| } |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.browser.IWebBrowser#close() |
| */ |
| public boolean close() { |
| support.unregisterBrowser(this); |
| return super.close(); |
| } |
| |
| /** |
| * This method encodes the url, removes the spaces from the url and replaces |
| * the same with <code>"%20"</code>. This method is required to fix Bug |
| * 77840. |
| * |
| */ |
| private String urlEncodeForSpaces(char[] input) { |
| StringBuffer retu = new StringBuffer(input.length); |
| for (int i = 0; i < input.length; i++) { |
| if (input[i] == ' ') { |
| retu.append("%20"); //$NON-NLS-1$ |
| } else { |
| retu.append(input[i]); |
| } |
| } |
| return retu.toString(); |
| } |
| |
| // TODO: Move browser support from Help system, remove this method |
| private Process openWebBrowser(String href) throws IOException { |
| Process p = null; |
| if (webBrowser == null) { |
| try { |
| webBrowser = "firefox"; //$NON-NLS-1$ |
| p = Runtime.getRuntime().exec(webBrowser + " " + href); //$NON-NLS-1$; |
| } catch (IOException e) { |
| p = null; |
| webBrowser = "mozilla"; //$NON-NLS-1$ |
| } |
| } |
| |
| if (p == null) { |
| try { |
| p = Runtime.getRuntime().exec(webBrowser + " " + href); //$NON-NLS-1$; |
| } catch (IOException e) { |
| p = null; |
| webBrowser = "netscape"; //$NON-NLS-1$ |
| } |
| } |
| |
| if (p == null) { |
| try { |
| p = Runtime.getRuntime().exec(webBrowser + " " + href); //$NON-NLS-1$; |
| } catch (IOException e) { |
| p = null; |
| throw e; |
| } |
| } |
| |
| return p; |
| } |
| |
| /** |
| * display an error message |
| */ |
| private void openWebBrowserError(Display display) { |
| display.asyncExec(new Runnable() { |
| public void run() { |
| MessageDialog |
| .openError( |
| null, |
| WorkbenchMessages.ProductInfoDialog_errorTitle, |
| WorkbenchMessages.ProductInfoDialog_unableToOpenWebBrowser); |
| } |
| }); |
| } |
| } |