changeset 7824:115ada869075

8032960: Running forms URL throws NullPointerException in Javaconsole. Reviewed-by: anthony, serb
author pchelko
date Mon, 03 Mar 2014 16:10:16 +0400
parents 1a4618c1f1bb
children 7d3b7201bd2b
files src/share/classes/java/awt/Toolkit.java src/windows/classes/sun/awt/windows/WToolkit.java test/java/awt/Toolkit/ToolkitPropertyTest/NoAppContextTest.java
diffstat 3 files changed, 212 insertions(+), 22 deletions(-) [+]
line wrap: on
line diff
--- a/src/share/classes/java/awt/Toolkit.java	Wed Mar 12 13:17:30 2014 -0700
+++ b/src/share/classes/java/awt/Toolkit.java	Mon Mar 03 16:10:16 2014 +0400
@@ -2559,30 +2559,26 @@
         public void firePropertyChange(final PropertyChangeEvent evt) {
             Object oldValue = evt.getOldValue();
             Object newValue = evt.getNewValue();
-            String propertyName = evt.getPropertyName();
             if (oldValue != null && newValue != null && oldValue.equals(newValue)) {
                 return;
             }
-            Runnable updater = new Runnable() {
-                public void run() {
-                    PropertyChangeSupport pcs = (PropertyChangeSupport)
-                            AppContext.getAppContext().get(PROP_CHANGE_SUPPORT_KEY);
-                    if (null != pcs) {
-                        pcs.firePropertyChange(evt);
-                    }
-                }
-            };
-            final AppContext currentAppContext = AppContext.getAppContext();
             for (AppContext appContext : AppContext.getAppContexts()) {
                 if (null == appContext || appContext.isDisposed()) {
                     continue;
                 }
-                if (currentAppContext == appContext) {
-                    updater.run();
-                } else {
-                    final PeerEvent e = new PeerEvent(source, updater, PeerEvent.ULTIMATE_PRIORITY_EVENT);
-                    SunToolkit.postEvent(appContext, e);
-                }
+                final PeerEvent e = new PeerEvent(source,
+                        new Runnable() {
+                            @Override
+                            public void run() {
+                                PropertyChangeSupport pcs = (PropertyChangeSupport)
+                                        AppContext.getAppContext().get(PROP_CHANGE_SUPPORT_KEY);
+                                if (null != pcs) {
+                                    pcs.firePropertyChange(evt);
+                                }
+                            }
+                        },
+                        PeerEvent.ULTIMATE_PRIORITY_EVENT);
+                SunToolkit.postEvent(appContext, e);
             }
         }
     }
--- a/src/windows/classes/sun/awt/windows/WToolkit.java	Wed Mar 12 13:17:30 2014 -0700
+++ b/src/windows/classes/sun/awt/windows/WToolkit.java	Mon Mar 03 16:10:16 2014 +0400
@@ -855,11 +855,7 @@
      * Windows doesn't always send WM_SETTINGCHANGE when it should.
      */
     private void windowsSettingChange() {
-        EventQueue.invokeLater(new Runnable() {
-            public void run() {
-                updateProperties();
-            }
-        });
+        updateProperties();
     }
 
     private synchronized void updateProperties() {
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/java/awt/Toolkit/ToolkitPropertyTest/NoAppContextTest.java	Mon Mar 03 16:10:16 2014 +0400
@@ -0,0 +1,198 @@
+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code 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 General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * @test
+ * @bug 8032960
+ * @summary checks that desktop properties work if Toolkit thread has no AppContext
+ * @author Petr Pchelko
+ */
+
+import sun.awt.OSInfo;
+import sun.awt.SunToolkit;
+
+import javax.swing.*;
+import java.awt.*;
+import java.beans.PropertyChangeEvent;
+import java.beans.PropertyChangeListener;
+import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.concurrent.atomic.AtomicReference;
+
+public class NoAppContextTest {
+
+    private static final ThreadGroup stubGroup = new ThreadGroup("stub");
+    private static final ThreadGroup awtGroup = new ThreadGroup("AWT");
+    private static final AtomicBoolean propertyChangeFired = new AtomicBoolean(false);
+    private static Frame frame;
+
+    private static final Object LOCK = new Object();
+
+    public static void main(String[] args) throws Exception {
+
+        if (OSInfo.getOSType() != OSInfo.OSType.WINDOWS) {
+            // The test is for Windows platform only
+            return;
+        }
+
+        createStubContext();
+
+        Thread awtThread = new Thread(awtGroup, new Runnable() {
+            @Override
+            public void run() {
+                SunToolkit.createNewAppContext();
+                SwingUtilities.invokeLater(new Runnable() {
+                    @Override
+                    public void run() {
+                        synchronized (LOCK) {
+                            frame = new Frame();
+                            frame.setBounds(100, 100, 100, 100);
+                            frame.setVisible(true);
+                            Toolkit.getDefaultToolkit().addPropertyChangeListener("win.propNames", new PropertyChangeListener() {
+                                @Override
+                                public void propertyChange(PropertyChangeEvent ev) {
+                                    propertyChangeFired.set(true);
+                                }
+                            });
+                        }
+                    }
+                });
+            }
+        });
+        awtThread.start();
+        awtThread.join();
+        sync();
+
+        final GraphicsDevice device = GraphicsEnvironment.getLocalGraphicsEnvironment()
+                .getDefaultScreenDevice();
+
+        final AtomicReference<DisplayMode> originalRef = new AtomicReference<>();
+        try {
+            final AtomicBoolean isSupported = new AtomicBoolean(true);
+            invokeInAWT(new Runnable() {
+                @Override
+                public void run() {
+                    if (device.isFullScreenSupported()) {
+                        device.setFullScreenWindow(frame);
+                    } else {
+                        isSupported.set(false);
+                    }
+                }
+            });
+            if (!isSupported.get()) {
+                return;
+            }
+            invokeInAWT(new Runnable() {
+                @Override
+                public void run() {
+                    if (device.isDisplayChangeSupported()) {
+                        DisplayMode original = device.getDisplayMode();
+                        originalRef.set(original);
+                        try {
+                            DisplayMode[] modes = device.getDisplayModes();
+                            for (DisplayMode mode : modes) {
+                                if (!mode.equals(original)) {
+                                    device.setDisplayMode(mode);
+                                    break;
+                                }
+                            }
+                        } finally {
+                            device.setDisplayMode(original);
+                        }
+                    } else {
+                        isSupported.set(false);
+                    }
+                }
+            });
+            if (!isSupported.get()) {
+                return;
+            }
+        } finally {
+            invokeInAWT(new Runnable() {
+                @Override
+                public void run() {
+                    device.setDisplayMode(originalRef.get());
+                    frame.dispose();
+                }
+            });
+        }
+
+        if (!propertyChangeFired.get()) {
+            throw new RuntimeException("Failed: PropertyChange did not fire");
+        }
+    }
+
+    private static void invokeInAWT(final Runnable r) throws InterruptedException {
+        Thread awtThread = new Thread(awtGroup, new Runnable() {
+            @Override
+            public void run() {
+                SwingUtilities.invokeLater(new Runnable() {
+                    @Override
+                    public void run() {
+                        synchronized (LOCK) {
+                            r.run();
+                        }
+                    }
+                });
+            }
+        });
+        awtThread.start();
+        awtThread.join();
+        sync();
+    }
+
+    private static void createStubContext() throws InterruptedException {
+        Thread stub = new Thread(stubGroup, new Runnable() {
+            @Override
+            public void run() {
+                SunToolkit.createNewAppContext();
+            }
+        });
+        stub.start();
+        stub.join();
+    }
+
+    /**
+     * Runs realSync on a thread with an AppContext and waits for it to finish
+     */
+    private static void sync() throws InterruptedException {
+        final AtomicReference<InterruptedException> exc = new AtomicReference<>(null);
+
+        Thread syncThread = new Thread(awtGroup, new Runnable() {
+            @Override
+            public void run() {
+                try {
+                    ((SunToolkit) Toolkit.getDefaultToolkit()).realSync();
+                    Thread.sleep(2000);
+                } catch (InterruptedException e) {
+                    exc.set(e);
+                }
+            }
+        });
+        syncThread.start();
+        syncThread.join();
+        if (exc.get() != null) {
+            throw exc.get();
+        }
+    }
+}
+