Make getdown much more friendly to quit

src/java/com/threerings/getdown/launcher/AbortPanel.java

@@ -0,0 +1,99 @@
+//
+// $Id: ProxyPanel.java 60 2004-07-30 21:45:28Z mdb $
+
+package com.threerings.getdown.launcher;
+
+import java.awt.Dimension;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+
+import java.util.MissingResourceException;
+import java.util.ResourceBundle;
+
+import javax.swing.BorderFactory;
+import javax.swing.JButton;
+import javax.swing.JDialog;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.border.EmptyBorder;
+
+import com.samskivert.swing.GroupLayout;
+import com.samskivert.swing.Spacer;
+import com.samskivert.swing.VGroupLayout;
+import com.samskivert.text.MessageUtil;
+
+import com.threerings.getdown.Log;
+
+/**
+ * Displays a confirmation that the user wants to abort installation.
+ */
+public class AbortPanel extends JFrame
+    implements ActionListener
+{
+    public AbortPanel (Getdown getdown, ResourceBundle msgs)
+    {
+        _getdown = getdown;
+        _msgs = msgs;
+ 
+        setLayout(new VGroupLayout());
+        setResizable(false);
+        setTitle(get("m.abort_title"));
+
+        JLabel message = new JLabel(get("m.abort_confirm"));
+        message.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
+        add(message);
+        add(new Spacer(5, 5));
+
+        JPanel row = GroupLayout.makeButtonBox(GroupLayout.CENTER);
+        JButton button;
+        row.add(button = new JButton(get("m.abort_ok")));
+        button.setActionCommand("ok");
+        button.addActionListener(this);
+        row.add(button = new JButton(get("m.abort_cancel")));
+        button.setActionCommand("cancel");
+        button.addActionListener(this);
+        getRootPane().setDefaultButton(button);
+        add(row);
+    }
+
+    // documentation inherited
+    public Dimension getPreferredSize ()
+    {
+        // this is annoyingly hardcoded, but we can't just force the width
+        // or the JLabel will claim a bogus height thinking it can lay its
+        // text out all on one line which will booch the whole UI's
+        // preferred size
+        return new Dimension(300, 200);
+    }
+
+    // documentation inherited from interface
+    public void actionPerformed (ActionEvent e)
+    {
+        String cmd = e.getActionCommand();
+        if (cmd.equals("ok")) {
+            System.exit(0);
+        } else {
+            setVisible(false);
+        }
+    }
+
+    /** Used to look up localized messages. */
+    protected String get (String key)
+    {
+        // if this string is tainted, we don't translate it, instead we
+        // simply remove the taint character and return it to the caller
+        if (key.startsWith(MessageUtil.TAINT_CHAR)) {
+            return key.substring(1);
+        }
+        try {
+            return _msgs.getString(key);
+        } catch (MissingResourceException mre) {
+            Log.warning("Missing translation message '" + key + "'.");
+            return key;
+        }
+    }
+
+    protected Getdown _getdown;
+    protected ResourceBundle _msgs;
+}

src/java/com/threerings/getdown/launcher/Getdown.java

@@ -10,6 +10,7 @@ import java.awt.event.WindowEvent;
 import java.awt.image.BufferedImage;
 
 import javax.imageio.ImageIO;
+import javax.swing.JDialog;
 import javax.swing.JFrame;
 
 import java.io.BufferedOutputStream;
@@ -531,10 +532,17 @@ public class Getdown extends Thread
             _frame = new JFrame(title);
             _frame.addWindowListener(new WindowAdapter() {
                 public void windowClosing (WindowEvent evt) {
-                    if (_dead || _frame.getState() == JFrame.ICONIFIED) {
+                    if (_dead) {
                         System.exit(0);
                     } else {
-                        _frame.setState(JFrame.ICONIFIED);
+                        if (_abort == null) {
+                            _abort = new AbortPanel(Getdown.this, _msgs);
+                        }
+                        _abort.pack();
+                        SwingUtil.centerWindow(_abort);
+                        _abort.setVisible(true);
+                        _abort.setState(JFrame.NORMAL);
+                        _abort.requestFocus();
                     }
                 }
             });
@@ -649,6 +657,7 @@ public class Getdown extends Thread
     protected ResourceBundle _msgs;
     protected JFrame _frame;
     protected StatusPanel _status;
+    protected AbortPanel _abort;
 
     protected boolean _dead;
     protected long _startup;

src/java/com/threerings/getdown/messages.properties

@@ -3,6 +3,12 @@
 #
 # Getdown translation messages
 
+m.abort_title = Abort installation?
+m.abort_confirm = <html>Are you sure you want to stop installation? \
+  You can resume at a later time by running the application again.</html>
+m.abort_ok = Quit
+m.abort_cancel = Continue installation
+
 m.detecting_proxy = Trying to auto-detect proxy settings...
 
 m.configure_proxy = <html>We were unable to connect to our servers to \