sb141: #i92926# fixed ScriptEdtiorForBeanShell/JavaScript calling Swing on Mac OS X

scripting/java/com/sun/star/script/framework/provider/SwingInvocation.java

@@ -0,0 +1,44 @@
+/*************************************************************************
+*
+* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+*
+* Copyright 2000, 2011 Oracle and/or its affiliates.
+*
+* OpenOffice.org - a multi-platform office productivity suite
+*
+* This file is part of OpenOffice.org.
+*
+* OpenOffice.org is free software: you can redistribute it and/or modify
+* it under the terms of the GNU Lesser General Public License version 3
+* only, as published by the Free Software Foundation.
+*
+* OpenOffice.org is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU Lesser General Public License version 3 for more details
+* (a copy is included in the LICENSE file that accompanied this code).
+*
+* You should have received a copy of the GNU Lesser General Public License
+* version 3 along with OpenOffice.org.  If not, see
+* <http://www.openoffice.org/license.html>
+* for a copy of the LGPLv3 License.
+*
+************************************************************************/
+
+package com.sun.star.script.framework.provider;
+
+import javax.swing.SwingUtilities;
+
+// On Mac OS X, AWT/Swing must not be accessed from the AppKit thread, so call
+// SwingUtilities.invokeLater always on a fresh thread to avoid that problem
+// (also, the current thread must not wait for that fresh thread to terminate,
+// as that would cause a deadlock if this thread is the AppKit thread):
+public final class SwingInvocation {
+    public static void invoke(final Runnable doRun) {
+        new Thread("SwingInvocation") {
+            public void run() { SwingUtilities.invokeLater(doRun); }
+        }.start();
+    }
+
+    private SwingInvocation() {}
+}

scripting/java/com/sun/star/script/framework/provider/beanshell/ScriptEditorForBeanShell.java

@@ -47,6 +47,7 @@ import java.util.HashMap;
 
 import com.sun.star.script.provider.XScriptContext;
 import com.sun.star.script.framework.provider.ScriptEditor;
+import com.sun.star.script.framework.provider.SwingInvocation;
 import com.sun.star.script.framework.container.ScriptMetaData;
 import com.sun.star.script.framework.provider.ClassLoaderFactory;
 
@@ -128,7 +129,9 @@ public class ScriptEditorForBeanShell
      */
     public static ScriptEditorForBeanShell getEditor(URL url)
     {
-        return (ScriptEditorForBeanShell)BEING_EDITED.get(url);
+        synchronized (BEING_EDITED) {
+            return (ScriptEditorForBeanShell)BEING_EDITED.get(url);
+        }
     }
 
     /**
@@ -194,8 +197,7 @@ public class ScriptEditorForBeanShell
      * @param  context     The context in which to execute the script
      *
      */
-    public void edit(XScriptContext context, ScriptMetaData entry) {
+    public void edit(final XScriptContext context, ScriptMetaData entry) {
-
         if (entry != null ) {
             try {
                 ClassLoader cl = null;
@@ -205,26 +207,30 @@ public class ScriptEditorForBeanShell
                 catch (Exception ignore) // TODO re-examine error handling
                 {
                 }
+                final ClassLoader theCl = cl;
                 String sUrl = entry.getParcelLocation();
                 if ( !sUrl.endsWith( "/" ) )
                 {
                     sUrl += "/";
                 }
                 sUrl +=  entry.getLanguageName();
-                URL url = entry.getSourceURL();
+                final URL url = entry.getSourceURL();
-
+                SwingInvocation.invoke(
-                // check if there is already an editing session for this script
+                    new Runnable() {
-                if (BEING_EDITED.containsKey(url))
+                        public void run() {
-                {
+                            ScriptEditorForBeanShell editor;
-                    ScriptEditorForBeanShell editor =
+                            synchronized (BEING_EDITED) {
-                        (ScriptEditorForBeanShell) BEING_EDITED.get(url);
+                                editor = (ScriptEditorForBeanShell)
-
+                                    BEING_EDITED.get(url);
-                    editor.frame.toFront();
+                                if (editor == null) {
-                }
+                                    editor = new ScriptEditorForBeanShell(
-                else
+                                        context, theCl, url);
-                {
+                                    BEING_EDITED.put(url, editor);
-                    new ScriptEditorForBeanShell(context, cl, url);
+                                }
-                }
+                            }
+                            editor.frame.toFront();
+                        }
+                    });
             }
             catch (IOException ioe) {
                 showErrorMessage( "Error loading file: " + ioe.getMessage() );
@@ -269,8 +275,6 @@ public class ScriptEditorForBeanShell
         this.model.setView(this.view);
         initUI();
         frame.show();
-
-        BEING_EDITED.put(url, this);
     }
 
     private void showErrorMessage(String message) {
@@ -384,7 +388,7 @@ public class ScriptEditorForBeanShell
 
     private void shutdown()
     {
-        if (BEING_EDITED.containsKey(scriptURL)) {
+        synchronized (BEING_EDITED) {
             BEING_EDITED.remove(scriptURL);
         }
     }

scripting/java/com/sun/star/script/framework/provider/javascript/ScriptEditorForJavaScript.java

@@ -36,6 +36,7 @@ import org.mozilla.javascript.tools.debugger.ScopeProvider;
 import com.sun.star.script.provider.XScriptContext;
 import com.sun.star.script.framework.container.ScriptMetaData;
 import com.sun.star.script.framework.provider.ScriptEditor;
+import com.sun.star.script.framework.provider.SwingInvocation;
 import com.sun.star.script.framework.log.LogUtils;
 
 import java.io.InputStream;
@@ -45,7 +46,6 @@ import java.net.URL;
 import java.util.Map;
 import java.util.HashMap;
 
-import javax.swing.SwingUtilities;
 import java.awt.event.WindowAdapter;
 import java.awt.event.WindowEvent;
 
@@ -117,7 +117,9 @@ public class ScriptEditorForJavaScript implements ScriptEditor
      */
     public static ScriptEditorForJavaScript getEditor(URL url)
     {
-        return (ScriptEditorForJavaScript)BEING_EDITED.get(url);
+        synchronized (BEING_EDITED) {
+            return (ScriptEditorForJavaScript)BEING_EDITED.get(url);
+        }
     }
 
     /**
@@ -187,31 +189,25 @@ public class ScriptEditorForJavaScript implements ScriptEditor
                 sUrl += "/";
             }
             sUrl +=  entry.getLanguageName();
-            URL url = entry.getSourceURL();
+            final URL url = entry.getSourceURL();
-
+            SwingInvocation.invoke(
-            // check if there is already an editing session for this script
+                new Runnable() {
-            //if (BEING_EDITED.containsKey(url))
+                    public void run() {
-            if ( rhinoWindow != null  )
+                        synchronized (BEING_EDITED) {
-            {
+                            ScriptEditorForJavaScript editor =
-                ScriptEditorForJavaScript editor =
+                                (ScriptEditorForJavaScript) BEING_EDITED.get(
-                    (ScriptEditorForJavaScript) BEING_EDITED.get(url);
+                                    url);
-                if ( editor == null )
+                            if (editor == null) {
-                {
+                                editor = new ScriptEditorForJavaScript(
-                    editor = new ScriptEditorForJavaScript( context, url );
+                                    context, url);
-                    editor.edit( context, entry );
+                                BEING_EDITED.put(url, editor);
-                }
+                            }
-                else
+                        }
-                {
+                        assert rhinoWindow != null;
-                    rhinoWindow.showScriptWindow( url );
+                        rhinoWindow.showScriptWindow(url);
-                }
+                        rhinoWindow.toFront();
-            }
+                    }
-            else
+                });
-            {
-                ScriptEditorForJavaScript editor =
-                    new ScriptEditorForJavaScript( context, url );
-
-            }
-            rhinoWindow.toFront();
         }
         catch ( IOException e )
         {
@@ -234,11 +230,6 @@ public class ScriptEditorForJavaScript implements ScriptEditor
 
 
         this.scriptURL = url;
-        synchronized( ScriptEditorForJavaScript.class )
-        {
-            BEING_EDITED.put(url, this);
-        }
-
     }
 
     /**
@@ -274,13 +265,9 @@ public class ScriptEditorForJavaScript implements ScriptEditor
                 }
 
                 final Main sdb = new Main("Rhino JavaScript Debugger");
-                swingInvoke(new Runnable() {
+                sdb.pack();
-                    public void run() {
+                sdb.setSize(640, 640);
-                        sdb.pack();
+                sdb.setVisible(true);
-                        sdb.setSize(640, 640);
-                        sdb.setVisible(true);
-                    }
-                    });
                 sdb.setExitAction(new Runnable() {
                     public void run() {
                         sdb.clearAllBreakpoints();
@@ -306,18 +293,6 @@ public class ScriptEditorForJavaScript implements ScriptEditor
         }
     }
 
-    private static void swingInvoke(Runnable f) {
-        if (SwingUtilities.isEventDispatchThread()) {
-            f.run();
-            return;
-        }
-        try {
-            SwingUtilities.invokeAndWait(f);
-        } catch (Exception exc) {
-            LogUtils.DEBUG( LogUtils.getTrace( exc ) );
-        }
-    }
-
     private void shutdown()
     {
         // dereference Rhino Debugger window