Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

6 files changed, 726 insertions, 0 deletions

diff --git a/toolkit/test/accessibility/ov/ContextView.java b/toolkit/test/accessibility/ov/ContextView.java
new file mode 100644
index 000000000..0dc97a67a
--- /dev/null
+++ b/toolkit/test/accessibility/ov/ContextView.java
@@ -0,0 +1,140 @@
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+package ov;
+
+import java.awt.Color;
+import java.awt.GridBagLayout;
+import java.awt.GridBagConstraints;
+
+import java.awt.event.ActionListener;
+import java.awt.event.ActionEvent;
+
+import javax.swing.JLabel;
+import com.sun.star.accessibility.AccessibleEventId;
+import com.sun.star.accessibility.AccessibleEventObject;
+import com.sun.star.accessibility.XAccessibleContext;
+
+import tools.NameProvider;
+
+public class ContextView
+    extends ListeningObjectView
+    implements ActionListener
+{
+    public static ObjectView Create (
+        ObjectViewContainer aContainer,
+        XAccessibleContext xContext)
+    {
+        System.out.println ("ContextView.CreateView");
+        if (xContext != null)
+            return new ContextView (aContainer);
+        else
+            return null;
+    }
+
+    private ContextView (ObjectViewContainer aContainer)
+    {
+        super (aContainer);
+        JLabel aNameLabel = new JLabel ("Name: ");
+        maName = new JLabel ("");
+        JLabel aDescriptionLabel = new JLabel ("Description: ");
+        maDescription = new JLabel ("");
+        JLabel maRoleLabel = new JLabel ("Role: ");
+        maRole = new JLabel ("");
+
+        // Make the background of name and description white and opaque so
+        // that leading and trailing spaces become visible.
+        maName.setOpaque (true);
+        maName.setBackground (Color.WHITE);
+        maDescription.setOpaque (true);
+        maDescription.setBackground (Color.WHITE);
+        maRole.setOpaque (true);
+        maRole.setBackground (Color.WHITE);
+
+        GridBagLayout aLayout = new GridBagLayout();
+        setLayout (aLayout);
+        GridBagConstraints constraints = new GridBagConstraints ();
+        constraints.gridx = 0;
+        constraints.gridy = 0;
+        constraints.gridwidth = 1;
+        constraints.gridheight = 1;
+        constraints.weightx = 0;
+        constraints.weighty = 1;
+        constraints.anchor = GridBagConstraints.WEST;
+        constraints.fill = GridBagConstraints.NONE;
+        add (aNameLabel, constraints);
+        constraints.gridy = 1;
+        add (aDescriptionLabel, constraints);
+        constraints.gridy = 2;
+        add (maRoleLabel, constraints);
+        constraints.gridy = 0;
+        constraints.gridx = 1;
+        constraints.weightx = 2;
+        add (maName, constraints);
+        constraints.gridy = 1;
+        add (maDescription, constraints);
+        constraints.gridy = 2;
+        add (maRole, constraints);
+    }
+
+    @Override
+    public void Update ()
+    {
+        if (mxContext == null)
+        {
+            maName.setText ("<null object>");
+            maDescription.setText ("<null object>");
+            maRole.setText ("<null object>");
+        }
+        else
+        {
+            maName.setText (mxContext.getAccessibleName());
+            maDescription.setText (mxContext.getAccessibleDescription());
+            maRole.setText (NameProvider.getRoleName (mxContext.getAccessibleRole()));
+        }
+    }
+
+    @Override
+    public String GetTitle ()
+    {
+        return "Context";
+    }
+
+    /** Listen for changes regarding displayed values.
+    */
+    @Override
+    public void notifyEvent (AccessibleEventObject aEvent)
+    {
+        switch (aEvent.EventId)
+        {
+            case AccessibleEventId.NAME_CHANGED :
+            case AccessibleEventId.DESCRIPTION_CHANGED :
+                Update ();
+        }
+    }
+
+    public void actionPerformed (ActionEvent aEvent)
+    {
+    }
+
+
+    private final JLabel
+        maName,
+        maDescription,
+        maRole;
+}
diff --git a/toolkit/test/accessibility/ov/FocusView.java b/toolkit/test/accessibility/ov/FocusView.java
new file mode 100644
index 000000000..cca1a6a0c
--- /dev/null
+++ b/toolkit/test/accessibility/ov/FocusView.java
@@ -0,0 +1,141 @@
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+package ov;
+
+import java.awt.GridBagConstraints;
+import java.awt.GridBagLayout;
+import java.awt.event.ActionListener;
+import java.awt.event.ActionEvent;
+
+import javax.swing.JButton;
+import javax.swing.JLabel;
+
+import com.sun.star.accessibility.AccessibleEventId;
+import com.sun.star.accessibility.AccessibleEventObject;
+import com.sun.star.accessibility.AccessibleStateType;
+import com.sun.star.accessibility.XAccessibleComponent;
+import com.sun.star.accessibility.XAccessibleContext;
+import com.sun.star.accessibility.XAccessibleStateSet;
+import com.sun.star.uno.UnoRuntime;
+
+public class FocusView
+    extends ListeningObjectView
+    implements ActionListener
+{
+    /** Create a FocusView when the given object supports the
+        XAccessibleComponent interface.
+    */
+    public static ObjectView Create (
+        ObjectViewContainer aContainer,
+        XAccessibleContext xContext)
+    {
+        XAccessibleComponent xComponent = UnoRuntime.queryInterface(
+                XAccessibleComponent.class, xContext);
+        if (xComponent != null)
+            return new FocusView (aContainer);
+        else
+            return null;
+    }
+
+    private FocusView (ObjectViewContainer aContainer)
+    {
+        super (aContainer);
+
+        setLayout (new GridBagLayout());
+        GridBagConstraints aConstraints = new GridBagConstraints ();
+
+        maFocused = new JLabel ();
+        aConstraints.gridy = 0;
+        aConstraints.weightx = 1;
+        aConstraints.fill = GridBagConstraints.HORIZONTAL;
+        add (maFocused, aConstraints);
+
+        maGrabFocus = new JButton ("grabFocus");
+        aConstraints.gridy = 1;
+        aConstraints.fill = GridBagConstraints.NONE;
+        aConstraints.anchor = GridBagConstraints.WEST;
+        add (maGrabFocus, aConstraints);
+
+        maGrabFocus.addActionListener (this);
+    }
+
+    /** Additionally to the context store a reference to the
+        XAccessibleComponent interface.
+    */
+    @Override
+    public void SetObject (XAccessibleContext xObject)
+    {
+        mxComponent = UnoRuntime.queryInterface(
+                XAccessibleComponent.class, xObject);
+        super.SetObject (xObject);
+    }
+
+    @Override
+    synchronized public void Destroy ()
+    {
+        super.Destroy();
+        maGrabFocus.removeActionListener (this);
+    }
+
+    @Override
+    synchronized public void Update ()
+    {
+        if (mxContext == null)
+        {
+            maFocused.setText ("<null object>");
+            maGrabFocus.setEnabled (false);
+        }
+        else
+        {
+            XAccessibleStateSet aStateSet = mxContext.getAccessibleStateSet();
+            if (aStateSet.contains(AccessibleStateType.FOCUSED))
+                maFocused.setText ("focused");
+            else
+                maFocused.setText ("not focused");
+            if (maGrabFocus != null)
+                maGrabFocus.setEnabled (true);
+        }
+    }
+
+    @Override
+    public String GetTitle ()
+    {
+        return "Focus";
+    }
+
+    synchronized public void actionPerformed (ActionEvent aEvent)
+    {
+        if (aEvent.getActionCommand().equals("grabFocus"))
+        {
+            mxComponent.grabFocus();
+        }
+    }
+
+    @Override
+    public void notifyEvent (AccessibleEventObject aEvent)
+    {
+        System.out.println (aEvent);
+        if (aEvent.EventId == AccessibleEventId.STATE_CHANGED)
+            Update ();
+    }
+
+    private final JLabel maFocused;
+    private final JButton maGrabFocus;
+    private XAccessibleComponent mxComponent;
+}
diff --git a/toolkit/test/accessibility/ov/ListeningObjectView.java b/toolkit/test/accessibility/ov/ListeningObjectView.java
new file mode 100644
index 000000000..63b5f8ff7
--- /dev/null
+++ b/toolkit/test/accessibility/ov/ListeningObjectView.java
@@ -0,0 +1,80 @@
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+package ov;
+
+import com.sun.star.accessibility.AccessibleEventObject;
+import com.sun.star.accessibility.XAccessibleContext;
+import com.sun.star.accessibility.XAccessibleEventBroadcaster;
+import com.sun.star.accessibility.XAccessibleEventListener;
+import com.sun.star.lang.EventObject;
+import com.sun.star.uno.UnoRuntime;
+
+/** Base class for object views that registers as accessibility event
+    listener.
+*/
+abstract class ListeningObjectView
+    extends ObjectView
+    implements XAccessibleEventListener
+{
+    public ListeningObjectView (ObjectViewContainer aContainer)
+    {
+        super (aContainer);
+    }
+
+    /** Add this object as event listener at the broadcasting
+        accessible object.
+    */
+    @Override
+    public void SetObject (XAccessibleContext xContext)
+    {
+        super.SetObject (xContext);
+        XAccessibleEventBroadcaster xBroadcaster =
+            UnoRuntime.queryInterface(
+            XAccessibleEventBroadcaster.class, xContext);
+        if (xBroadcaster != null)
+            xBroadcaster.addAccessibleEventListener (this);
+    }
+
+
+    /** Remove this object as event listener from the broadcasting
+        accessible object.
+    */
+    @Override
+    public void Destroy ()
+    {
+        super.Destroy ();
+        XAccessibleEventBroadcaster xBroadcaster =
+            UnoRuntime.queryInterface(
+            XAccessibleEventBroadcaster.class, mxContext);
+        if (xBroadcaster != null)
+            xBroadcaster.removeAccessibleEventListener (this);
+    }
+
+    /** Derived classes have to implement this method to handle incoming
+        events.
+    */
+    abstract public void notifyEvent (AccessibleEventObject aEvent);
+
+    /** The disposing event is ignored per default.  If a derived class is
+        interested it can overwrite this method.
+    */
+    public void disposing (EventObject aEvent)
+    {
+    }
+}
diff --git a/toolkit/test/accessibility/ov/ObjectView.java b/toolkit/test/accessibility/ov/ObjectView.java
new file mode 100644
index 000000000..7e1570b62
--- /dev/null
+++ b/toolkit/test/accessibility/ov/ObjectView.java
@@ -0,0 +1,80 @@
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+package ov;
+
+import javax.swing.JPanel;
+
+import com.sun.star.accessibility.XAccessibleContext;
+
+/** This is the base class for all object views that can be placed inside an
+    object view container.
+
+    <p>When provided with a new accessible object the container will call
+    the Create method to create a new instance when certain conditions are
+    met.  It then calls SetObject to pass the object to the instance.
+    Finally it calls Update.</p>
+
+    <p>The SetObject and Update methods may be called for a new object
+    without calling Create first.  In this way an existing instance is
+    recycled.</p>
+*/
+abstract public class ObjectView
+    extends JPanel
+{
+    public ObjectView (ObjectViewContainer aContainer)
+    {
+        mxContext = null;
+    }
+
+    /** Call this when you want the object to be destroyed.  Release all
+        resources when called.
+    */
+    public void Destroy ()
+    {
+    }
+
+    /** Tell the view to display information for a new accessible object.
+        @param xContext
+            The given object may be null.  A typical behaviour in this case
+            would be to display a blank area.  But is also possible to show
+            information about the last object.
+    */
+    public void SetObject (XAccessibleContext xContext)
+    {
+        mxContext = xContext;
+        Update ();
+    }
+
+
+    /** This is a request of a repaint with the current state of the current
+        object.  The current object may or may not be the same as the one
+        when Update() was called the last time.
+    */
+    public void Update ()
+    {
+    }
+
+
+    /** Return a string that is used as a title of an enclosing frame.
+    */
+    abstract public String GetTitle ();
+
+    /// Reference to the current object to display information about.
+    protected XAccessibleContext mxContext;
+}
diff --git a/toolkit/test/accessibility/ov/ObjectViewContainer.java b/toolkit/test/accessibility/ov/ObjectViewContainer.java
new file mode 100644
index 000000000..c7e647d67
--- /dev/null
+++ b/toolkit/test/accessibility/ov/ObjectViewContainer.java
@@ -0,0 +1,152 @@
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+package ov;
+
+import java.awt.Component;
+import java.awt.GridBagConstraints;
+import java.awt.GridBagLayout;
+import java.awt.Insets;
+import java.util.ArrayList;
+
+import javax.swing.BorderFactory;
+import javax.swing.JPanel;
+import javax.swing.border.BevelBorder;
+import javax.swing.border.Border;
+
+import com.sun.star.accessibility.XAccessibleContext;
+
+
+public class ObjectViewContainer
+    extends JPanel
+{
+    private static interface IViewFactory {
+        ObjectView Create (
+                ObjectViewContainer aContainer,
+                XAccessibleContext xContext);
+    }
+
+    public ObjectViewContainer ()
+    {
+        maViewTemplates = new ArrayList<IViewFactory>();
+        maViewBorder = BorderFactory.createBevelBorder (BevelBorder.RAISED);
+        setLayout (new GridBagLayout ());
+
+        maViewTemplates.add(new IViewFactory() {
+            public ObjectView Create(ObjectViewContainer aContainer,
+                    XAccessibleContext xContext) {
+                return ContextView.Create(aContainer, xContext);
+            }
+        });
+        maViewTemplates.add(new IViewFactory() {
+            public ObjectView Create(ObjectViewContainer aContainer,
+                    XAccessibleContext xContext) {
+                return FocusView.Create(aContainer, xContext);
+            }
+        });
+        maViewTemplates.add(new IViewFactory() {
+            public ObjectView Create(ObjectViewContainer aContainer,
+                    XAccessibleContext xContext) {
+                return TextView.Create(aContainer, xContext);
+            }
+        });
+    }
+
+    /** Remove all existing views and create new ones according to the
+        interfaces supported by the given object.
+    */
+    public void SetObject (XAccessibleContext xContext)
+    {
+        // Call Destroy at all views to give them a chance to release their
+        // resources.
+        int n = getComponentCount();
+        for (int i=0; i<n; i++)
+            ((ObjectView)getComponent(i)).Destroy();
+        // Remove existing views.
+        removeAll ();
+
+        // Add new views.
+        for (int i=0; i<maViewTemplates.size(); i++)
+        {
+            IViewFactory aViewFactory = maViewTemplates.get(i);
+            ObjectView aView = aViewFactory.Create(this, xContext);
+            Add (aView);
+        }
+
+        UpdateLayoutManager ();
+
+        // Now set the object at all views.
+        n = getComponentCount();
+        for (int i=0; i<n; i++)
+            ((ObjectView)getComponent(i)).SetObject (xContext);
+
+        setPreferredSize (getLayout().preferredLayoutSize (this));
+    }
+
+
+    /** Add an object view and place it below all previously added views.
+        @param aView
+            This argument may be null.  In this case nothing happens.
+    */
+    private void Add (ObjectView aView)
+    {
+        if (aView != null)
+        {
+            GridBagConstraints constraints = new GridBagConstraints ();
+            constraints.gridx = 0;
+            constraints.gridy = getComponentCount();
+            constraints.gridwidth = 1;
+            constraints.gridheight = 1;
+            constraints.weightx = 1;
+            constraints.weighty = 0;
+            constraints.ipadx = 2;
+            constraints.ipady = 5;
+            constraints.insets = new Insets (5,5,5,5);
+            constraints.anchor = GridBagConstraints.NORTH;
+            constraints.fill = GridBagConstraints.HORIZONTAL;
+
+            aView.setBorder (
+                BorderFactory.createTitledBorder (
+                    maViewBorder, aView.GetTitle()));
+
+            add (aView, constraints);
+        }
+    }
+
+    /** Update the layout manager by setting the vertical weight of the
+        bottom entry to 1 and so make it stretch to over the available
+        space.
+
+    */
+    private void UpdateLayoutManager ()
+    {
+        // Adapt the layout manager.
+        if (getComponentCount() > 0)
+        {
+            Component aComponent = getComponent (getComponentCount()-1);
+            GridBagLayout aLayout = (GridBagLayout)getLayout();
+            GridBagConstraints aConstraints = aLayout.getConstraints (aComponent);
+            aConstraints.weighty = 1;
+            aLayout.setConstraints (aComponent, aConstraints);
+        }
+    }
+
+    private final Border maViewBorder;
+    /// List of view templates which are instantiated when new object is set.
+    private final ArrayList<IViewFactory> maViewTemplates;
+}
diff --git a/toolkit/test/accessibility/ov/TextView.java b/toolkit/test/accessibility/ov/TextView.java
new file mode 100644
index 000000000..518d5ff50
--- /dev/null
+++ b/toolkit/test/accessibility/ov/TextView.java
@@ -0,0 +1,133 @@
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+package ov;
+
+import java.awt.GridBagConstraints;
+import java.awt.GridBagLayout;
+import javax.swing.JLabel;
+
+import com.sun.star.accessibility.AccessibleEventId;
+import com.sun.star.accessibility.AccessibleEventObject;
+import com.sun.star.accessibility.XAccessibleText;
+import com.sun.star.accessibility.XAccessibleContext;
+import com.sun.star.uno.UnoRuntime;
+
+public class TextView
+    extends ListeningObjectView
+{
+    /** Create a TextView when the given object supports the
+        XAccessibleText interface.
+    */
+    public static ObjectView Create (
+        ObjectViewContainer aContainer,
+        XAccessibleContext xContext)
+    {
+        XAccessibleText xText = UnoRuntime.queryInterface(
+                XAccessibleText.class, xContext);
+        if (xText != null)
+            return new TextView (aContainer);
+        else
+            return null;
+    }
+
+
+    private TextView (ObjectViewContainer aContainer)
+    {
+        super (aContainer);
+
+        setLayout (new GridBagLayout());
+        GridBagConstraints aConstraints = new GridBagConstraints ();
+
+        JLabel aLabel = new JLabel ("Text:");
+        aConstraints.gridy = 0;
+        aConstraints.weightx = 1;
+        aConstraints.fill = GridBagConstraints.HORIZONTAL;
+        add (aLabel, aConstraints);
+
+        maTextLabel = new JLabel ("");
+        aConstraints.gridx = 1;
+        aConstraints.fill = GridBagConstraints.NONE;
+        aConstraints.anchor = GridBagConstraints.WEST;
+        add (maTextLabel, aConstraints);
+
+        aLabel = new JLabel ("Caret position:");
+        aConstraints.gridx = 0;
+        aConstraints.gridy = 1;
+        aConstraints.weightx = 1;
+        aConstraints.fill = GridBagConstraints.HORIZONTAL;
+        add (aLabel, aConstraints);
+
+        maCaretPositionLabel = new JLabel ("");
+        aConstraints.gridx = 1;
+        aConstraints.fill = GridBagConstraints.NONE;
+        aConstraints.anchor = GridBagConstraints.WEST;
+        add (maCaretPositionLabel, aConstraints);
+    }
+
+
+    /** Additionally to the context store a reference to the
+        XAccessibleText interface.
+    */
+    @Override
+    public void SetObject (XAccessibleContext xObject)
+    {
+        mxText = UnoRuntime.queryInterface(
+            XAccessibleText.class, xObject);
+        super.SetObject (xObject);
+    }
+
+    @Override
+    synchronized public void Update ()
+    {
+        if (mxText == null)
+        {
+            maTextLabel.setText ("<null object>");
+            maCaretPositionLabel.setText ("<null object>");
+        }
+        else
+        {
+            maTextLabel.setText (mxText.getText());
+            maCaretPositionLabel.setText (Integer.toString(mxText.getCaretPosition()));
+        }
+    }
+
+    @Override
+    public String GetTitle ()
+    {
+        return "Text";
+    }
+
+    @Override
+    public void notifyEvent (AccessibleEventObject aEvent)
+    {
+        System.out.println (aEvent);
+        switch (aEvent.EventId)
+        {
+            case AccessibleEventId.TEXT_CHANGED :
+            case AccessibleEventId.CARET_CHANGED :
+                Update ();
+                break;
+        }
+    }
+
+    private final JLabel
+        maTextLabel,
+        maCaretPositionLabel;
+    private XAccessibleText mxText;
+}