diff -r d4809db37847 -r 06589bf52fa7 plugins/org.symbian.tools.tmw.debug/src/org/symbian/tools/tmw/debug/internal/launch/ChromeInstancesManager.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/org.symbian.tools.tmw.debug/src/org/symbian/tools/tmw/debug/internal/launch/ChromeInstancesManager.java	Mon Aug 23 09:55:57 2010 -0700
@@ -0,0 +1,178 @@
+/*******************************************************************************
+ * Copyright (c) 2009 Symbian Foundation and/or its subsidiary(-ies).
+ * All rights reserved.
+ * This component and the accompanying materials are made available
+ * under the terms of the License "Eclipse Public License v1.0"
+ * which accompanies this distribution, and is available
+ * at the URL "http://www.eclipse.org/legal/epl-v10.html".
+ *
+ * Initial Contributors:
+ * Symbian Foundation - initial contribution.
+ * Contributors:
+ * Description:
+ * Overview:
+ * Details:
+ * Platforms/Drives/Compatibility:
+ * Assumptions/Requirement/Pre-requisites:
+ * Failures and causes:
+ *******************************************************************************/
+package org.symbian.tools.tmw.debug.internal.launch;
+
+import java.io.File;
+import java.io.FileFilter;
+import java.io.IOException;
+import java.text.MessageFormat;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+
+import org.eclipse.core.resources.ResourcesPlugin;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IPath;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Path;
+import org.eclipse.core.runtime.Status;
+import org.symbian.tools.tmw.debug.internal.Activator;
+import org.symbian.tools.tmw.debug.internal.ChromeDebugUtils;
+import org.symbian.tools.wrttools.util.CoreUtil;
+
+public class ChromeInstancesManager {
+    private static final String[] CHROME_ARGS = { "%s", "--remote-shell-port=%d", // Here we will set port
+            "--user-data-dir=%s", // Here we will set profile folder so user settings have no effect
+            "--disk-cache-dir=%s", // We don't care
+            "--disable-web-security", // Widgets can use network now
+            "--disable-extenions", // Use standard UI, should also improve speed and stability
+            "--activate-on-launch", // Bring to front on Mac
+            "--disable-geolocation", // Use our own Geolocation (needed to emulate Geolocation in phonegap) 
+            "--disable-local-storage", // Disable local storage (needed to emulate Geolocation in phonegap) 
+            "--disable-session-storage", // Disable local storage (needed to emulate Geolocation in phonegap) 
+            "--no-default-browser-check", // Our users don't need this nagging
+            "--disable-hang-monitor", // Fix for Bug 2682 - The debugger should disable "unresponsive" error message from chrome
+            "--no-first-run", // We don't care
+            "--app=%s" // Here we will have widget URI as --app argument
+    };
+    private final Map<Object, Process> chromes = Collections.synchronizedMap(new HashMap<Object, Process>());
+
+    private static final int EXECUTIBLE_INDEX = 0;
+    private static final int PORT_INDEX = 1;
+    private static final int USER_DATA_INDEX = 2;
+    private static final int CACHE_INDEX = 3;
+    private static final int URL_INDEX = CHROME_ARGS.length - 1;
+
+    private int profileNum = 0;
+
+    public void startChrome(final Object key, int port, final String url) throws CoreException {
+        final String browserExecutable = ChromeDebugUtils.getChromeExecutible();
+        if (browserExecutable == null) {
+            throw createCoreException("No Chrome browser available", null);
+        }
+
+        String[] commandline = new String[CHROME_ARGS.length];
+        System.arraycopy(CHROME_ARGS, 0, commandline, 0, CHROME_ARGS.length);
+        commandline[EXECUTIBLE_INDEX] = String.format(CHROME_ARGS[EXECUTIBLE_INDEX], browserExecutable);
+        commandline[PORT_INDEX] = String.format(CHROME_ARGS[PORT_INDEX], port);
+        commandline[USER_DATA_INDEX] = String.format(CHROME_ARGS[USER_DATA_INDEX], getChromeProfilePath());
+        commandline[CACHE_INDEX] = String.format(CHROME_ARGS[CACHE_INDEX], getChromeCachePath());
+        commandline[URL_INDEX] = String.format(CHROME_ARGS[URL_INDEX], url);
+        
+        // 2. Start Chrome
+        try {
+            Process process = Runtime.getRuntime().exec(commandline);
+            chromes.put(key, process);
+        } catch (IOException e) {
+            StringBuilder builder = new StringBuilder();
+            for (String string : commandline) {
+                builder.append(" ").append(string);
+            }
+            throw createCoreException("Cannot execute: {0}", builder.toString().trim(), e);
+        }
+
+    }
+
+    private String getChromeCachePath() {
+        return getChromeSpecialDir(".chromecache");
+    }
+
+    /**
+     * Terminate Chrome instance associated with given key.
+     */
+    public synchronized void stopChrome(final Object key) {
+
+    }
+
+    public synchronized void forgetChrome(final Object key) {
+
+    }
+
+    public synchronized void shutdown() {
+        String dir = getChromeSpecialDir("");
+        File directory = new File(dir);
+        File[] files = directory.listFiles(new FileFilter() {
+            public boolean accept(File pathname) {
+                return pathname.isDirectory() && pathname.getName().matches("\\.chr\\d{3}")
+                        && !isChromeRunning(pathname);
+            }
+        });
+        boolean removedAll = true;
+        for (File file : files) {
+            removedAll = delete(file) && removedAll;
+        }
+        if (removedAll) {
+            String cachePath = getChromeCachePath();
+            delete(new File(cachePath));
+        }
+
+    }
+
+    private boolean delete(File file) {
+        if (!file.exists()) {
+            return true;
+        } else if (file.isDirectory()) {
+            File[] files = file.listFiles();
+            for (File f : files) {
+                if (!delete(f)) {
+                    return false;
+                }
+            }
+        }
+        return file.delete();
+    }
+
+    private CoreException createCoreException(String pattern, String arg, Throwable exeption) {
+        return createCoreException(MessageFormat.format(pattern, arg), exeption);
+    }
+
+    private CoreException createCoreException(String message, Throwable exeption) {
+        return new CoreException(new Status(IStatus.ERROR, Activator.PLUGIN_ID, message, exeption));
+    }
+
+    private String getChromeProfilePath() {
+        while (true) {
+            String dir = getChromeSpecialDir(String.format(".chr%03d", profileNum++));
+            if (!new File(dir).exists()) {
+                return dir;
+            }
+        }
+    }
+
+    private boolean isChromeRunning(File pathname) {
+        File file = new File(pathname, "Default/Cookies");
+        try {
+            // Note: it is ok to delete cookies file - if it can be deleted then Chrome is not running.
+            // If Chrome is running then we will not be able to delete the file.
+            // We do not need to preserve state between launches. So it is ok to delete coockies.
+            return file.exists() && !file.delete();
+        } catch (Exception e) {
+            Activator.log(e);
+            return true;
+        }
+    }
+
+    private String getChromeSpecialDir(String subdir) {
+        IPath location = ResourcesPlugin.getWorkspace().getRoot().getLocation();
+        if (CoreUtil.isLinux() && location.toString().length() > 50) {
+            location = new Path(System.getProperty("user.home")).append(".wrtdebug");
+        }
+        return location.append(subdir).toOSString();
+    }
+}