--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/org.chromium.debug.ui/src/org/chromium/debug/ui/ChromiumDebugUIPlugin.java	Wed Dec 23 17:13:18 2009 -0800
@@ -0,0 +1,127 @@
+// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.debug.ui;
+
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.jface.dialogs.ErrorDialog;
+import org.eclipse.jface.dialogs.MessageDialog;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.ui.IWorkbenchWindow;
+import org.eclipse.ui.plugin.AbstractUIPlugin;
+import org.osgi.framework.BundleContext;
+
+/**
+ * The activator class controls the plug-in life cycle
+ */
+public class ChromiumDebugUIPlugin extends AbstractUIPlugin {
+
+  /** The plug-in ID. */
+  public static final String PLUGIN_ID = "org.chromium.debug.ui"; //$NON-NLS-1$
+
+  /** Editor ID for JS files. */
+  public static final String EDITOR_ID = PLUGIN_ID + ".editor"; //$NON-NLS-1$
+
+  /** The shared instance. */
+  private static ChromiumDebugUIPlugin plugin;
+
+  public ChromiumDebugUIPlugin() {
+  }
+
+  @Override
+  public void start(BundleContext context) throws Exception {
+    super.start(context);
+    plugin = this;
+    JsEvalContextManager.startup();
+  }
+
+  @Override
+  public void stop(BundleContext context) throws Exception {
+    plugin = null;
+    super.stop(context);
+  }
+
+  /**
+   * Returns the shared instance.
+   *
+   * @return the shared instance
+   */
+  public static ChromiumDebugUIPlugin getDefault() {
+    return plugin;
+  }
+
+  /**
+   * @return a current display, or the default one if the current one is not
+   *         available
+   */
+  public static Display getDisplay() {
+    Display display = Display.getCurrent();
+    if (display == null) {
+      display = Display.getDefault();
+    }
+    return display;
+  }
+
+  /**
+   * @return the active workbench shell, or {@code null} if one is not available
+   */
+  public static Shell getActiveWorkbenchShell() {
+    IWorkbenchWindow window = getActiveWorkbenchWindow();
+    if (window != null) {
+      return window.getShell();
+    }
+    return null;
+  }
+
+  /**
+   * @return the active workbench window
+   */
+  public static IWorkbenchWindow getActiveWorkbenchWindow() {
+    return getDefault().getWorkbench().getActiveWorkbenchWindow();
+  }
+
+  /**
+   * Creates a status dialog using the given {@code status}.
+   *
+   * @param status to derive the severity
+   */
+  public static void statusDialog(IStatus status) {
+    switch (status.getSeverity()) {
+      case IStatus.ERROR:
+        statusDialog(Messages.ChromiumDebugUIPlugin_Error, status);
+        break;
+      case IStatus.WARNING:
+        statusDialog(Messages.ChromiumDebugUIPlugin_Warning, status);
+        break;
+      case IStatus.INFO:
+        statusDialog(Messages.ChromiumDebugUIPlugin_Info, status);
+        break;
+    }
+  }
+
+  /**
+   * Creates a status dialog using the given {@code status} and {@code title}.
+   *
+   * @param title of the dialog
+   * @param status to derive the severity
+   */
+  public static void statusDialog(String title, IStatus status) {
+    Shell shell = getActiveWorkbenchWindow().getShell();
+    if (shell != null) {
+      switch (status.getSeverity()) {
+        case IStatus.ERROR:
+          ErrorDialog.openError(shell, title, null, status);
+          break;
+        case IStatus.WARNING:
+          MessageDialog.openWarning(shell, title, status.getMessage());
+          break;
+        case IStatus.INFO:
+          MessageDialog.openInformation(shell, title, status.getMessage());
+          break;
+      }
+    }
+  }
+
+}