From ed15f54cfbc4535041f799d2b15770057fc7962c Mon Sep 17 00:00:00 2001 From: Yuka Kamiya Date: Wed, 21 Apr 2010 10:34:56 +0900 Subject: [PATCH 1/6] 6943963: NumericShaper with ARABIC doesn't shape digits correctly after calling another instance Reviewed-by: okutsu --- .../classes/java/awt/font/NumericShaper.java | 8 +- .../java/awt/font/NumericShaper/MTTest.java | 51 +++++---- .../awt/font/NumericShaper/ShapingTest.java | 107 +++++++++++------- 3 files changed, 100 insertions(+), 66 deletions(-) diff --git a/jdk/src/share/classes/java/awt/font/NumericShaper.java b/jdk/src/share/classes/java/awt/font/NumericShaper.java index 75f4dbad751..6aff9cba920 100644 --- a/jdk/src/share/classes/java/awt/font/NumericShaper.java +++ b/jdk/src/share/classes/java/awt/font/NumericShaper.java @@ -1163,8 +1163,14 @@ public final class NumericShaper implements java.io.Serializable { lastkey = newkey; ctxKey = newkey; - if (((mask & EASTERN_ARABIC) != 0) && (ctxKey == ARABIC_KEY || ctxKey == EASTERN_ARABIC_KEY)) { + if (((mask & EASTERN_ARABIC) != 0) && + (ctxKey == ARABIC_KEY || + ctxKey == EASTERN_ARABIC_KEY)) { ctxKey = EASTERN_ARABIC_KEY; + } else if (((mask & ARABIC) != 0) && + (ctxKey == ARABIC_KEY || + ctxKey == EASTERN_ARABIC_KEY)) { + ctxKey = ARABIC_KEY; } else if ((mask & (1<."); + System.err.println(" text = " + given); + System.err.println(" got = " + got); + System.err.println(" expected = " + expected); + } else { + System.out.println("OK with range(s) <" + ranges + ">."); + System.out.println(" text = " + given); + System.out.println(" got = " + got); + System.out.println(" expected = " + expected); } } From f05dd156c2cb16c6c78ccdced90a625f11119c46 Mon Sep 17 00:00:00 2001 From: Pavel Porvatov Date: Wed, 21 Apr 2010 18:12:21 +0400 Subject: [PATCH 2/6] 6945316: The Win32ShellFolderManager2.isFileSystemRoot can throw NPE Reviewed-by: alexp --- .../awt/shell/Win32ShellFolderManager2.java | 11 ++- .../JFileChooser/6945316/bug6945316.java | 74 +++++++++++++++++++ 2 files changed, 82 insertions(+), 3 deletions(-) create mode 100644 jdk/test/javax/swing/JFileChooser/6945316/bug6945316.java diff --git a/jdk/src/windows/classes/sun/awt/shell/Win32ShellFolderManager2.java b/jdk/src/windows/classes/sun/awt/shell/Win32ShellFolderManager2.java index b7639fa77bb..1a53198349f 100644 --- a/jdk/src/windows/classes/sun/awt/shell/Win32ShellFolderManager2.java +++ b/jdk/src/windows/classes/sun/awt/shell/Win32ShellFolderManager2.java @@ -403,9 +403,14 @@ public class Win32ShellFolderManager2 extends ShellFolderManager { } } String path = dir.getPath(); - return (path.length() == 3 - && path.charAt(1) == ':' - && Arrays.asList(drives.listFiles()).contains(dir)); + + if (path.length() != 3 || path.charAt(1) != ':') { + return false; + } + + File[] files = drives.listFiles(); + + return files != null && Arrays.asList(files).contains(dir); } return false; } diff --git a/jdk/test/javax/swing/JFileChooser/6945316/bug6945316.java b/jdk/test/javax/swing/JFileChooser/6945316/bug6945316.java new file mode 100644 index 00000000000..cc495f7a6db --- /dev/null +++ b/jdk/test/javax/swing/JFileChooser/6945316/bug6945316.java @@ -0,0 +1,74 @@ +/* + * Copyright 2010 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + */ + +/* @test + @bug 6945316 + @summary The Win32ShellFolderManager2.isFileSystemRoot can throw NPE + @author Pavel Porvatov + @run main bug6945316 +*/ + +import sun.awt.OSInfo; +import sun.awt.shell.ShellFolder; + +import java.awt.*; +import java.io.File; +import java.util.concurrent.CountDownLatch; + +public class bug6945316 { + public static void main(String[] args) throws Exception { + if (OSInfo.getOSType() != OSInfo.OSType.WINDOWS) { + System.out.println("The test is suitable only for Windows OS. Skipped."); + + return; + } + + // Init toolkit because it shouldn't be interrupted while initialization + Toolkit.getDefaultToolkit(); + + // Init the sun.awt.shell.Win32ShellFolderManager2.drives field + ShellFolder.get("fileChooserComboBoxFolders"); + + // To get NPE the path must obey the following rules: + // path.length() == 3 && path.charAt(1) == ':' + final File tempFile = new File("c:\\"); + + for (int i = 0; i < 10000; i++) { + final CountDownLatch countDownLatch = new CountDownLatch(1); + + final Thread thread = new Thread() { + public void run() { + countDownLatch.countDown(); + + ShellFolder.isFileSystemRoot(tempFile); + } + }; + + thread.start(); + + countDownLatch.await(); + + thread.interrupt(); + } + } +} From ac7a6db631d1bb905a0be8b53eafb29cc3a85286 Mon Sep 17 00:00:00 2001 From: Alexander Potochkin Date: Thu, 29 Apr 2010 18:38:25 +0400 Subject: [PATCH 3/6] 6899413: Fix for CR #6878399 should be refactored Reviewed-by: peterz --- .../classes/javax/swing/JEditorPane.java | 15 +++-- jdk/src/share/classes/javax/swing/JList.java | 24 +++---- jdk/src/share/classes/javax/swing/JTable.java | 21 ++++--- .../share/classes/javax/swing/JTextField.java | 2 +- jdk/src/share/classes/javax/swing/JTree.java | 12 ++-- .../classes/javax/swing/SwingUtilities.java | 63 +++++++++---------- .../javax/swing/text/JTextComponent.java | 12 ++-- 7 files changed, 70 insertions(+), 79 deletions(-) diff --git a/jdk/src/share/classes/javax/swing/JEditorPane.java b/jdk/src/share/classes/javax/swing/JEditorPane.java index eaf61f1e60e..acd825c1d96 100644 --- a/jdk/src/share/classes/javax/swing/JEditorPane.java +++ b/jdk/src/share/classes/javax/swing/JEditorPane.java @@ -1330,8 +1330,9 @@ public class JEditorPane extends JTextComponent { */ public Dimension getPreferredSize() { Dimension d = super.getPreferredSize(); - JViewport port = SwingUtilities.getParentViewport(this); - if (port != null) { + Container parent = SwingUtilities.getUnwrappedParent(this); + if (parent instanceof JViewport) { + JViewport port = (JViewport) parent; TextUI ui = getUI(); int prefWidth = d.width; int prefHeight = d.height; @@ -1452,8 +1453,9 @@ public class JEditorPane extends JTextComponent { * match its own, false otherwise */ public boolean getScrollableTracksViewportWidth() { - JViewport port = SwingUtilities.getParentViewport(this); - if (port != null) { + Container parent = SwingUtilities.getUnwrappedParent(this); + if (parent instanceof JViewport) { + JViewport port = (JViewport) parent; TextUI ui = getUI(); int w = port.getWidth(); Dimension min = ui.getMinimumSize(this); @@ -1474,8 +1476,9 @@ public class JEditorPane extends JTextComponent { * false otherwise */ public boolean getScrollableTracksViewportHeight() { - JViewport port = SwingUtilities.getParentViewport(this); - if (port != null) { + Container parent = SwingUtilities.getUnwrappedParent(this); + if (parent instanceof JViewport) { + JViewport port = (JViewport) parent; TextUI ui = getUI(); int h = port.getHeight(); Dimension min = ui.getMinimumSize(this); diff --git a/jdk/src/share/classes/javax/swing/JList.java b/jdk/src/share/classes/javax/swing/JList.java index 8a86bda547d..10aa3adf93d 100644 --- a/jdk/src/share/classes/javax/swing/JList.java +++ b/jdk/src/share/classes/javax/swing/JList.java @@ -25,17 +25,7 @@ package javax.swing; -import java.awt.Color; -import java.awt.Component; -import java.awt.Cursor; -import java.awt.Dimension; -import java.awt.Font; -import java.awt.FontMetrics; -import java.awt.GraphicsEnvironment; -import java.awt.HeadlessException; -import java.awt.Insets; -import java.awt.Point; -import java.awt.Rectangle; +import java.awt.*; import java.awt.event.*; import java.util.Vector; @@ -2779,9 +2769,9 @@ public class JList extends JComponent implements Scrollable, Accessible getVisibleRowCount() <= 0) { return true; } - JViewport port = SwingUtilities.getParentViewport(this); - if (port != null) { - return port.getWidth() > getPreferredSize().width; + Container parent = SwingUtilities.getUnwrappedParent(this); + if (parent instanceof JViewport) { + return parent.getWidth() > getPreferredSize().width; } return false; } @@ -2805,9 +2795,9 @@ public class JList extends JComponent implements Scrollable, Accessible getVisibleRowCount() <= 0) { return true; } - JViewport port = SwingUtilities.getParentViewport(this); - if (port != null) { - return port.getHeight() > getPreferredSize().height; + Container parent = SwingUtilities.getUnwrappedParent(this); + if (parent instanceof JViewport) { + return parent.getHeight() > getPreferredSize().height; } return false; } diff --git a/jdk/src/share/classes/javax/swing/JTable.java b/jdk/src/share/classes/javax/swing/JTable.java index 236e59102c1..09157ca93f8 100644 --- a/jdk/src/share/classes/javax/swing/JTable.java +++ b/jdk/src/share/classes/javax/swing/JTable.java @@ -719,8 +719,9 @@ public class JTable extends JComponent implements TableModelListener, Scrollable * @see #addNotify */ protected void configureEnclosingScrollPane() { - JViewport port = SwingUtilities.getParentViewport(this); - if (port != null) { + Container parent = SwingUtilities.getUnwrappedParent(this); + if (parent instanceof JViewport) { + JViewport port = (JViewport) parent; Container gp = port.getParent(); if (gp instanceof JScrollPane) { JScrollPane scrollPane = (JScrollPane)gp; @@ -752,8 +753,9 @@ public class JTable extends JComponent implements TableModelListener, Scrollable * from configureEnclosingScrollPane() and updateUI() in a safe manor. */ private void configureEnclosingScrollPaneUI() { - JViewport port = SwingUtilities.getParentViewport(this); - if (port != null) { + Container parent = SwingUtilities.getUnwrappedParent(this); + if (parent instanceof JViewport) { + JViewport port = (JViewport) parent; Container gp = port.getParent(); if (gp instanceof JScrollPane) { JScrollPane scrollPane = (JScrollPane)gp; @@ -822,8 +824,9 @@ public class JTable extends JComponent implements TableModelListener, Scrollable * @since 1.3 */ protected void unconfigureEnclosingScrollPane() { - JViewport port = SwingUtilities.getParentViewport(this); - if (port != null) { + Container parent = SwingUtilities.getUnwrappedParent(this); + if (parent instanceof JViewport) { + JViewport port = (JViewport) parent; Container gp = port.getParent(); if (gp instanceof JScrollPane) { JScrollPane scrollPane = (JScrollPane)gp; @@ -5217,10 +5220,10 @@ public class JTable extends JComponent implements TableModelListener, Scrollable * @see #getFillsViewportHeight */ public boolean getScrollableTracksViewportHeight() { - JViewport port = SwingUtilities.getParentViewport(this); + Container parent = SwingUtilities.getUnwrappedParent(this); return getFillsViewportHeight() - && port != null - && port.getHeight() > getPreferredSize().height; + && parent instanceof JViewport + && parent.getHeight() > getPreferredSize().height; } /** diff --git a/jdk/src/share/classes/javax/swing/JTextField.java b/jdk/src/share/classes/javax/swing/JTextField.java index 24a3408d1b4..e1e6b640c65 100644 --- a/jdk/src/share/classes/javax/swing/JTextField.java +++ b/jdk/src/share/classes/javax/swing/JTextField.java @@ -292,7 +292,7 @@ public class JTextField extends JTextComponent implements SwingConstants { */ @Override public boolean isValidateRoot() { - return SwingUtilities.getParentViewport(this) == null; + return !(SwingUtilities.getUnwrappedParent(this) instanceof JViewport); } diff --git a/jdk/src/share/classes/javax/swing/JTree.java b/jdk/src/share/classes/javax/swing/JTree.java index 55815b81dc2..788aeab1fc1 100644 --- a/jdk/src/share/classes/javax/swing/JTree.java +++ b/jdk/src/share/classes/javax/swing/JTree.java @@ -3498,9 +3498,9 @@ public class JTree extends JComponent implements Scrollable, Accessible * @see Scrollable#getScrollableTracksViewportWidth */ public boolean getScrollableTracksViewportWidth() { - JViewport port = SwingUtilities.getParentViewport(this); - if (port != null) { - return port.getWidth() > getPreferredSize().width; + Container parent = SwingUtilities.getUnwrappedParent(this); + if (parent instanceof JViewport) { + return parent.getWidth() > getPreferredSize().width; } return false; } @@ -3515,9 +3515,9 @@ public class JTree extends JComponent implements Scrollable, Accessible * @see Scrollable#getScrollableTracksViewportHeight */ public boolean getScrollableTracksViewportHeight() { - JViewport port = SwingUtilities.getParentViewport(this); - if (port != null) { - return port.getHeight() > getPreferredSize().height; + Container parent = SwingUtilities.getUnwrappedParent(this); + if (parent instanceof JViewport) { + return parent.getHeight() > getPreferredSize().height; } return false; } diff --git a/jdk/src/share/classes/javax/swing/SwingUtilities.java b/jdk/src/share/classes/javax/swing/SwingUtilities.java index 1221c4bce74..65b267eb8f3 100644 --- a/jdk/src/share/classes/javax/swing/SwingUtilities.java +++ b/jdk/src/share/classes/javax/swing/SwingUtilities.java @@ -1969,58 +1969,53 @@ public class SwingUtilities implements SwingConstants } /** - * Looks for the first ancestor of the {@code component} + * Returns the first ancestor of the {@code component} * which is not an instance of {@link JLayer}. - * If this ancestor is an instance of {@code JViewport}, - * this {@code JViewport} is returned, otherwise returns {@code null}. - * The following way of obtaining the parent {@code JViewport} - * is not recommended any more: - *
-     * JViewport port = null;
-     * Container parent = component.getParent();
-     * // not recommended any more
-     * if(parent instanceof JViewport) {
-     *     port = (JViewport) parent;
-     * }
-     * 
- * Here is the way to go: - *
-     * // the correct way:
-     * JViewport port = SwingUtilities.getParentViewport(component);
-     * 
- * @param component {@code Component} to get the parent {@code JViewport} of. - * @return the {@code JViewport} instance for the {@code component} - * or {@code null} + * + * @param component {@code Component} to get + * the first ancestor of, which is not a {@link JLayer} instance. + * + * @return the first ancestor of the {@code component} + * which is not an instance of {@link JLayer}. + * If such an ancestor can not be found, {@code null} is returned. + * * @throws NullPointerException if {@code component} is {@code null} + * @see JLayer * * @since 1.7 */ - public static JViewport getParentViewport(Component component) { - do { - component = component.getParent(); - if (component instanceof JViewport) { - return (JViewport) component; - } - } while(component instanceof JLayer); - return null; + public static Container getUnwrappedParent(Component component) { + Container parent = component.getParent(); + while(parent instanceof JLayer) { + parent = parent.getParent(); + } + return parent; } /** * Returns the first {@code JViewport}'s descendant - * which is not an instance of {@code JLayer} or {@code null}. + * which is not an instance of {@code JLayer}. + * If such a descendant can not be found, {@code null} is returned. * * If the {@code viewport}'s view component is not a {@code JLayer}, - * this method is equal to {@link JViewport#getView()} - * otherwise {@link JLayer#getView()} will be recursively tested + * this method is equivalent to {@link JViewport#getView()} + * otherwise {@link JLayer#getView()} will be recursively + * called on all descending {@code JLayer}s. + * + * @param viewport {@code JViewport} to get the first descendant of, + * which in not a {@code JLayer} instance. * * @return the first {@code JViewport}'s descendant - * which is not an instance of {@code JLayer} or {@code null}. + * which is not an instance of {@code JLayer}. + * If such a descendant can not be found, {@code null} is returned. * * @throws NullPointerException if {@code viewport} is {@code null} * @see JViewport#getView() * @see JLayer + * + * @since 1.7 */ - static Component getUnwrappedView(JViewport viewport) { + public static Component getUnwrappedView(JViewport viewport) { Component view = viewport.getView(); while (view instanceof JLayer) { view = ((JLayer)view).getView(); diff --git a/jdk/src/share/classes/javax/swing/text/JTextComponent.java b/jdk/src/share/classes/javax/swing/text/JTextComponent.java index 25ddaf9e3cc..832c6095ec2 100644 --- a/jdk/src/share/classes/javax/swing/text/JTextComponent.java +++ b/jdk/src/share/classes/javax/swing/text/JTextComponent.java @@ -2069,9 +2069,9 @@ public abstract class JTextComponent extends JComponent implements Scrollable, A * width to match its own */ public boolean getScrollableTracksViewportWidth() { - JViewport port = SwingUtilities.getParentViewport(this); - if (port != null) { - return port.getWidth() > getPreferredSize().width; + Container parent = SwingUtilities.getUnwrappedParent(this); + if (parent instanceof JViewport) { + return parent.getWidth() > getPreferredSize().width; } return false; } @@ -2090,9 +2090,9 @@ public abstract class JTextComponent extends JComponent implements Scrollable, A * to match its own */ public boolean getScrollableTracksViewportHeight() { - JViewport port = SwingUtilities.getParentViewport(this); - if (port != null) { - return (port.getHeight() > getPreferredSize().height); + Container parent = SwingUtilities.getUnwrappedParent(this); + if (parent instanceof JViewport) { + return parent.getHeight() > getPreferredSize().height; } return false; } From 98a42c6444e70321355a2153f2979d9271ef6982 Mon Sep 17 00:00:00 2001 From: Alexander Potochkin Date: Thu, 29 Apr 2010 18:56:26 +0400 Subject: [PATCH 4/6] 6899453: Remove unnecessary methods from LayerUI Reviewed-by: peterz --- .../classes/javax/swing/plaf/LayerUI.java | 62 ++----------------- 1 file changed, 4 insertions(+), 58 deletions(-) diff --git a/jdk/src/share/classes/javax/swing/plaf/LayerUI.java b/jdk/src/share/classes/javax/swing/plaf/LayerUI.java index 7f2967bf465..e088db33738 100644 --- a/jdk/src/share/classes/javax/swing/plaf/LayerUI.java +++ b/jdk/src/share/classes/javax/swing/plaf/LayerUI.java @@ -72,53 +72,13 @@ public class LayerUI * the specified {@code Graphics} object to * render the content of the component. *

- * If {@code g} is not an instance of {@code Graphics2D}, - * this method is no-op. + * The default implementation paints the passed component as is. * - * @param g the {@code Graphics} context in which to paint; - * @param c the component being painted; - * it can be safely cast to {@code JLayer} - * - * @see #configureGraphics(Graphics2D, JLayer) - * @see #paintLayer(Graphics2D, JLayer) + * @param g the {@code Graphics} context in which to paint + * @param c the component being painted */ public void paint(Graphics g, JComponent c) { - if (g instanceof Graphics2D) { - Graphics2D g2 = (Graphics2D) g.create(); - JLayer l = (JLayer) c; - configureGraphics(g2, l); - paintLayer(g2, l); - g2.dispose(); - } - } - - /** - * This method is called by the {@link #paint} method prior to - * {@link #paintLayer} to configure the {@code Graphics2D} object. - * The default implementation is empty. - * - * @param g2 the {@code Graphics2D} object to configure - * @param l the {@code JLayer} being painted - * - * @see #paintLayer(Graphics2D, JLayer) - */ - protected void configureGraphics(Graphics2D g2, JLayer l) { - } - - /** - * Called by the {@link #paint} method, - * subclasses should override this method - * to perform any custom painting operations. - *

- * The default implementation paints the passed {@code JLayer} as is. - * - * @param g2 the {@code Graphics2D} context in which to paint - * @param l the {@code JLayer} being painted - * - * @see #configureGraphics(Graphics2D, JLayer) - */ - protected void paintLayer(Graphics2D g2, JLayer l) { - l.paint(g2); + c.paint(g); } /** @@ -627,17 +587,6 @@ public class LayerUI propertyChangeSupport.firePropertyChange(propertyName, oldValue, newValue); } - /** - * Repaints all {@code JLayer} instances this {@code LayerUI} is set to. - * Call this method when the state of this {@code LayerUI} is changed - * and the visual appearance of its {@code JLayer} objects needs to be updated. - * - * @see Component#repaint() - */ - protected void repaintLayer() { - firePropertyChange("dirty", null, null); - } - /** * Notifies the {@code LayerUI} when any of its property are changed * and enables updating every {@code JLayer} @@ -647,9 +596,6 @@ public class LayerUI * @param l the {@code JLayer} this LayerUI is set to */ public void applyPropertyChange(PropertyChangeEvent evt, JLayer l) { - if ("dirty".equals(evt.getPropertyName())) { - l.repaint(); - } } /** From 16e7bb5c198f60d9d0ae7643c3b3f7b21df87127 Mon Sep 17 00:00:00 2001 From: Alexander Potochkin Date: Thu, 29 Apr 2010 19:07:26 +0400 Subject: [PATCH 5/6] 6899405: Specification for JLayer.setLayerEventMask() should mention that eventDispatch() might not be called Reviewed-by: peterz --- jdk/src/share/classes/javax/swing/JLayer.java | 60 ++++++++----------- .../classes/javax/swing/plaf/LayerUI.java | 9 +-- 2 files changed, 29 insertions(+), 40 deletions(-) diff --git a/jdk/src/share/classes/javax/swing/JLayer.java b/jdk/src/share/classes/javax/swing/JLayer.java index 93f4b799722..ab082cfc588 100644 --- a/jdk/src/share/classes/javax/swing/JLayer.java +++ b/jdk/src/share/classes/javax/swing/JLayer.java @@ -163,18 +163,6 @@ public final class JLayer private static final LayerEventController eventController = new LayerEventController(); - private static final long ACCEPTED_EVENTS = - AWTEvent.COMPONENT_EVENT_MASK | - AWTEvent.CONTAINER_EVENT_MASK | - AWTEvent.FOCUS_EVENT_MASK | - AWTEvent.KEY_EVENT_MASK | - AWTEvent.MOUSE_WHEEL_EVENT_MASK | - AWTEvent.MOUSE_MOTION_EVENT_MASK | - AWTEvent.MOUSE_EVENT_MASK | - AWTEvent.INPUT_METHOD_EVENT_MASK | - AWTEvent.HIERARCHY_EVENT_MASK | - AWTEvent.HIERARCHY_BOUNDS_EVENT_MASK; - /** * Creates a new {@code JLayer} object with a {@code null} view component * and {@code null} {@link javax.swing.plaf.LayerUI}. @@ -396,24 +384,14 @@ public final class JLayer } /** - * Sets the bitmask of event types to receive by this {@code JLayer}. - * Here is the list of the supported event types: - *

    - *
  • AWTEvent.COMPONENT_EVENT_MASK
  • - *
  • AWTEvent.CONTAINER_EVENT_MASK
  • - *
  • AWTEvent.FOCUS_EVENT_MASK
  • - *
  • AWTEvent.KEY_EVENT_MASK
  • - *
  • AWTEvent.MOUSE_WHEEL_EVENT_MASK
  • - *
  • AWTEvent.MOUSE_MOTION_EVENT_MASK
  • - *
  • AWTEvent.MOUSE_EVENT_MASK
  • - *
  • AWTEvent.INPUT_METHOD_EVENT_MASK
  • - *
  • AWTEvent.HIERARCHY_EVENT_MASK
  • - *
  • AWTEvent.HIERARCHY_BOUNDS_EVENT_MASK
  • - *
+ * Enables the events from JLayer and all its descendants + * defined by the specified event mask parameter + * to be delivered to the + * {@link LayerUI#eventDispatched(AWTEvent, JLayer)} method. *

- * If {@code LayerUI} is installed, - * {@link javax.swing.plaf.LayerUI#eventDispatched(AWTEvent, JLayer)} method - * will only receive events that match the event mask. + * Events are delivered provided that {@code LayerUI} is set + * for this {@code JLayer} and the {@code JLayer} + * is displayable. *

* The following example shows how to correclty use this method * in the {@code LayerUI} implementations: @@ -433,19 +411,15 @@ public final class JLayer * } * * - * By default {@code JLayer} receives no events. + * By default {@code JLayer} receives no events and its event mask is {@code 0}. * * @param layerEventMask the bitmask of event types to receive * - * @throws IllegalArgumentException if the {@code layerEventMask} parameter - * contains unsupported event types * @see #getLayerEventMask() + * @see LayerUI#eventDispatched(AWTEvent, JLayer) + * @see Component#isDisplayable() */ public void setLayerEventMask(long layerEventMask) { - if (layerEventMask != (layerEventMask & ACCEPTED_EVENTS)) { - throw new IllegalArgumentException( - "The event bitmask contains unsupported event types"); - } long oldEventMask = getLayerEventMask(); this.eventMask = layerEventMask; firePropertyChange("layerEventMask", oldEventMask, layerEventMask); @@ -629,6 +603,18 @@ public final class JLayer private long currentEventMask; + private static final long ACCEPTED_EVENTS = + AWTEvent.COMPONENT_EVENT_MASK | + AWTEvent.CONTAINER_EVENT_MASK | + AWTEvent.FOCUS_EVENT_MASK | + AWTEvent.KEY_EVENT_MASK | + AWTEvent.MOUSE_WHEEL_EVENT_MASK | + AWTEvent.MOUSE_MOTION_EVENT_MASK | + AWTEvent.MOUSE_EVENT_MASK | + AWTEvent.INPUT_METHOD_EVENT_MASK | + AWTEvent.HIERARCHY_EVENT_MASK | + AWTEvent.HIERARCHY_BOUNDS_EVENT_MASK; + @SuppressWarnings("unchecked") public void eventDispatched(AWTEvent event) { Object source = event.getSource(); @@ -660,6 +646,8 @@ public final class JLayer for (Long mask : layerMaskList) { combinedMask |= mask; } + // filter out all unaccepted events + combinedMask &= ACCEPTED_EVENTS; if (combinedMask == 0) { removeAWTEventListener(); } else if (getCurrentEventMask() != combinedMask) { diff --git a/jdk/src/share/classes/javax/swing/plaf/LayerUI.java b/jdk/src/share/classes/javax/swing/plaf/LayerUI.java index e088db33738..07df96cd411 100644 --- a/jdk/src/share/classes/javax/swing/plaf/LayerUI.java +++ b/jdk/src/share/classes/javax/swing/plaf/LayerUI.java @@ -82,8 +82,8 @@ public class LayerUI } /** - * Dispatches {@code AWTEvent}s for {@code JLayer} - * and all its subcomponents to this {@code LayerUI} instance. + * Processes {@code AWTEvent}s for {@code JLayer} + * and all its descendants to this {@code LayerUI} instance. *

* To enable the {@code AWTEvent}s of a particular type, * you call {@link JLayer#setLayerEventMask} @@ -93,13 +93,14 @@ public class LayerUI * By default this method calls the appropriate * {@code process<event type>Event} * method for the given class of event. + *

+ * Note: Events are processed only for displayable {@code JLayer}s. * * @param e the event to be dispatched * @param l the layer this LayerUI is set to * * @see JLayer#setLayerEventMask(long) - * @see #installUI(javax.swing.JComponent) - * @see #uninstallUI(javax.swing.JComponent) + * @see Component#isDisplayable() * @see #processComponentEvent * @see #processFocusEvent * @see #processKeyEvent From 5a66416a07a4ba361c31018571a51e9b0dbd7a07 Mon Sep 17 00:00:00 2001 From: Peter Zhelezniakov Date: Thu, 6 May 2010 12:57:30 +0400 Subject: [PATCH 6/6] 6919629: Nimbus L&F Nimbus.Overrides option leaks significant amounts of memory Reviewed-by: rupashka --- .../javax/swing/plaf/nimbus/NimbusStyle.java | 13 ++- .../javax/swing/plaf/nimbus/Test6919629.java | 82 +++++++++++++++++++ 2 files changed, 91 insertions(+), 4 deletions(-) create mode 100644 jdk/test/javax/swing/plaf/nimbus/Test6919629.java diff --git a/jdk/src/share/classes/javax/swing/plaf/nimbus/NimbusStyle.java b/jdk/src/share/classes/javax/swing/plaf/nimbus/NimbusStyle.java index a8f8b3fc5b6..c8672e3c8c9 100644 --- a/jdk/src/share/classes/javax/swing/plaf/nimbus/NimbusStyle.java +++ b/jdk/src/share/classes/javax/swing/plaf/nimbus/NimbusStyle.java @@ -38,6 +38,7 @@ import javax.swing.plaf.synth.SynthStyle; import java.awt.Color; import java.awt.Font; import java.awt.Insets; +import java.lang.ref.WeakReference; import java.util.ArrayList; import java.util.Collections; import java.util.Comparator; @@ -193,7 +194,7 @@ public final class NimbusStyle extends SynthStyle { * UIDefaults which overrides (or supplements) those defaults found in * UIManager. */ - private JComponent component; + private WeakReference component; /** * Create a new NimbusStyle. Only the prefix must be supplied. At the @@ -209,7 +210,9 @@ public final class NimbusStyle extends SynthStyle { * should be null otherwise. */ NimbusStyle(String prefix, JComponent c) { - this.component = c; + if (c != null) { + this.component = new WeakReference(c); + } this.prefix = prefix; this.painter = new SynthPainterImpl(this); } @@ -251,9 +254,11 @@ public final class NimbusStyle extends SynthStyle { // value is an instance of UIDefaults, then these defaults are used // in place of, or in addition to, the defaults in UIManager. if (component != null) { - Object o = component.getClientProperty("Nimbus.Overrides"); + // We know component.get() is non-null here, as if the component + // were GC'ed, we wouldn't be processing its style. + Object o = component.get().getClientProperty("Nimbus.Overrides"); if (o instanceof UIDefaults) { - Object i = component.getClientProperty( + Object i = component.get().getClientProperty( "Nimbus.Overrides.InheritDefaults"); boolean inherit = i instanceof Boolean ? (Boolean)i : true; UIDefaults d = (UIDefaults)o; diff --git a/jdk/test/javax/swing/plaf/nimbus/Test6919629.java b/jdk/test/javax/swing/plaf/nimbus/Test6919629.java new file mode 100644 index 00000000000..38d66a0cf42 --- /dev/null +++ b/jdk/test/javax/swing/plaf/nimbus/Test6919629.java @@ -0,0 +1,82 @@ +/* + * Copyright 2009 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + */ + +/* @test + @bug 6919629 + @summary Tests that components with Nimbus.Overrides are GC'ed properly + @author Peter Zhelezniakov + @run main Test6919629 +*/ + +import java.awt.Color; +import java.lang.ref.WeakReference; +import javax.swing.*; +import javax.swing.plaf.nimbus.NimbusLookAndFeel; + +public class Test6919629 +{ + JFrame f; + WeakReference ref; + + public static void main(String[] args) throws Exception { + UIManager.setLookAndFeel(new NimbusLookAndFeel()); + Test6919629 t = new Test6919629(); + t.test(); + System.gc(); + t.check(); + } + + void test() throws Exception { + SwingUtilities.invokeAndWait(new Runnable() { + public void run() { + UIDefaults d = new UIDefaults(); + d.put("Label.textForeground", Color.MAGENTA); + + JLabel l = new JLabel(); + ref = new WeakReference(l); + l.putClientProperty("Nimbus.Overrides", d); + + f = new JFrame(); + f.getContentPane().add(l); + f.pack(); + f.setVisible(true); + } + }); + Thread.sleep(2000); + + SwingUtilities.invokeAndWait(new Runnable() { + public void run() { + f.getContentPane().removeAll(); + f.setVisible(false); + f.dispose(); + } + }); + Thread.sleep(2000); + } + + void check() { + if (ref.get() != null) { + throw new RuntimeException("Failed: an unused component wasn't collected"); + } + } +}