| /******************************************************************************* |
| * Copyright (c) 2000, 2005 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.browsers; |
| |
| import java.io.*; |
| import java.net.URL; |
| |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.ui.browser.AbstractWebBrowser; |
| import org.eclipse.ui.internal.browser.WebBrowserUIPlugin; |
| /** |
| * Browser adapter for browsers supporting -remote openURL command line option |
| * i.e. Mozilla and Netscape. |
| */ |
| public class MozillaBrowser extends AbstractWebBrowser { |
| // delay that it takes mozilla to start responding |
| // to remote command after mozilla has been called |
| protected static final int DELAY = 5000; |
| |
| protected long browserFullyOpenedAt = 0; |
| |
| private BrowserThread lastBrowserThread = null; |
| |
| protected String executable; |
| |
| protected boolean firstLaunch = true; |
| |
| /** |
| * Constructor |
| * |
| * @executable executable filename to launch |
| * @executableName name of the program to display when error occurs |
| */ |
| public MozillaBrowser(String id, String executable) { |
| super(id); |
| this.executable = executable; |
| } |
| |
| /* |
| * @see IBrowser#displayURL(String) |
| */ |
| public void openURL(URL url2) { |
| String url = url2.toExternalForm(); |
| if (lastBrowserThread != null) |
| lastBrowserThread.exitRequested = true; |
| |
| lastBrowserThread = new BrowserThread(url); |
| lastBrowserThread.setDaemon(true); |
| lastBrowserThread.start(); |
| } |
| |
| private class BrowserThread extends Thread { |
| public boolean exitRequested = false; |
| |
| private String url; |
| |
| public BrowserThread(String urlName) { |
| this.url = urlName; |
| } |
| |
| /** |
| * @param browserCmd |
| * @return int 0 if success |
| */ |
| private int openBrowser(String browserCmd) { |
| try { |
| Process pr = Runtime.getRuntime().exec(browserCmd); |
| StreamConsumer outputs = new StreamConsumer(pr.getInputStream()); |
| (outputs).start(); |
| StreamConsumer errors = new StreamConsumer(pr.getErrorStream()); |
| (errors).start(); |
| pr.waitFor(); |
| int ret = pr.exitValue(); |
| |
| if (ret == 0 && errorsInOutput(outputs, errors)) { |
| return -1; |
| } |
| return ret; |
| } catch (InterruptedException e) { |
| // ignore |
| } catch (IOException e) { |
| WebBrowserUIPlugin.logError("Launching " + executable //$NON-NLS-1$ |
| + " has failed.", e); //$NON-NLS-1$ |
| // TODO: log error |
| /*String msg = HelpBaseResources.getString( |
| "MozillaBrowser.executeFailed", //$NON-NLS-1$ |
| executableName); |
| BaseHelpSystem.getDefaultErrorUtil() |
| .displayError(msg, uiThread);*/ |
| // return success, so second command does not execute |
| return 0; |
| } |
| return -1; |
| } |
| |
| /** |
| * On some OSes 0 is always returned by netscape -remote. It is |
| * necessary to examine ouput to find out failure |
| * |
| * @param outputs |
| * @param errors |
| * @return @throws |
| * InterruptedException |
| */ |
| private boolean errorsInOutput(StreamConsumer outputs, |
| StreamConsumer errors) { |
| try { |
| outputs.join(1000); |
| if (outputs.getLastLine() != null |
| && (outputs.getLastLine().indexOf( |
| "No running window found") //$NON-NLS-1$ |
| >= 0 || outputs.getLastLine().indexOf( |
| "not running on display") //$NON-NLS-1$ |
| >= 0)) { |
| return true; |
| } |
| errors.join(1000); |
| if (errors.getLastLine() != null |
| && (errors.getLastLine().indexOf( |
| "No running window found") //$NON-NLS-1$ |
| >= 0 || errors.getLastLine().indexOf( |
| "not running on display") //$NON-NLS-1$ |
| >= 0)) { |
| return true; |
| } |
| } catch (InterruptedException ie) { |
| // ignore |
| } |
| return false; |
| } |
| |
| public void run() { |
| // if browser is opening, wait until it fully opens |
| waitForBrowser(); |
| if (exitRequested) |
| return; |
| if (firstLaunch && Platform.OS_WIN32.equals(Platform.getOS())) { |
| if (openBrowser(executable + " " + url) == 0) //$NON-NLS-1$ |
| return; |
| browserFullyOpenedAt = System.currentTimeMillis() + DELAY; |
| return; |
| } |
| if (openBrowser(executable + " -remote openURL(" + url + ")") //$NON-NLS-1$ //$NON-NLS-2$ |
| == 0) |
| return; |
| |
| if (exitRequested) |
| return; |
| browserFullyOpenedAt = System.currentTimeMillis() + DELAY; |
| openBrowser(executable + " " + url); //$NON-NLS-1$ |
| } |
| |
| private void waitForBrowser() { |
| while (System.currentTimeMillis() < browserFullyOpenedAt) |
| try { |
| if (exitRequested) |
| return; |
| Thread.sleep(100); |
| } catch (InterruptedException ie) { |
| // ignore |
| } |
| } |
| } |
| } |