java/accessibility/Container.java

/**************************************************************
 *
 * 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
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 *************************************************************/


package org.openoffice.java.accessibility;

import javax.accessibility.AccessibleContext;
import javax.accessibility.AccessibleState;

import com.sun.star.uno.*;
import com.sun.star.accessibility.*;

public class Container extends java.awt.Container implements javax.accessibility.Accessible {

	protected XAccessible unoAccessible;
	protected XAccessibleContext unoAccessibleContext;
	protected XAccessibleComponent unoAccessibleComponent = null;

	protected javax.accessibility.AccessibleRole accessibleRole;
	protected javax.accessibility.AccessibleText accessibleText;
	protected boolean disposed = false;

	protected Container(javax.accessibility.AccessibleRole role,
		XAccessible xAccessible, XAccessibleContext xAccessibleContext) {
		accessibleRole = role;
		unoAccessible = xAccessible;
		unoAccessibleContext = xAccessibleContext;
		unoAccessibleComponent = (XAccessibleComponent)
			UnoRuntime.queryInterface(XAccessibleComponent.class,
			xAccessibleContext);

		// Add the event listener right away, because the global focus notification doesn't
		// work yet...
		XAccessibleEventBroadcaster broadcaster = (XAccessibleEventBroadcaster)
			UnoRuntime.queryInterface(XAccessibleEventBroadcaster.class,
			unoAccessibleContext);
		if (broadcaster != null) {
			broadcaster.addEventListener(createEventListener());
		}
	}

	/**
	* Determines whether this <code>Container</code> is showing on screen.
	* This means that the component must be visible, and it must be in a
	* <code>container</code> that is visible and showing.
	* @see #addNotify
	* @see #removeNotify
	* @since JDK1.0
	*/
	public boolean isShowing() {
		if (isVisible()) {
			java.awt.Container parent = getParent();
			return (parent == null) || parent.isShowing();
		}
		return false;
	}

	/**
	* Makes this <code>Container</code> displayable by connecting it to a
	* native screen resource.
	* This method is called internally by the toolkit and should
	* not be called directly by programs.
	* @see #isDisplayable
	* @see #removeNotify
	* @since JDK1.0
	*/
	public void addNotify() {
	}

	/**
	* Makes this <code>Container</code> undisplayable by destroying it native
	* screen resource.
	* This method is called by the toolkit internally and should
	* not be called directly by programs.
	* @see #isDisplayable
	* @see #addNotify
	* @since JDK1.0
	*/
	public void removeNotify() {
	}

	/*
	 * Fake the java focus handling. This is necessary to keep AOO focus
	 * in sync with the java focus. See java.awt.DefaultKeyboardFocusManager
	 * for implementation details.
	 **/

	/** Requests focus for this object */
	public void requestFocus() {
	}

	/** Requests focus for this object */
	public boolean requestFocus(boolean temporary) {
		// Must be a no-op to make focus handling work
		return true;
	}

	/** Requests the focus for this object in the containing window */
	public boolean requestFocusInWindow() {
		return requestFocusInWindow(false);
	}

	/** Requests the focus for this object in the containing window */
	protected boolean requestFocusInWindow(boolean temporary) {
		if (isFocusable() && isVisible()) {
			getEventQueue().postEvent(new java.awt.event.FocusEvent(this, java.awt.event.FocusEvent.FOCUS_GAINED, temporary));
			return true;
		}
		return false;
	}

	public Object[] getAccessibleComponents(Object[] targetSet) {
		try {
			java.util.ArrayList list = new java.util.ArrayList(targetSet.length);
			for (int i=0; i < targetSet.length; i++) {
				java.awt.Component c = AccessibleObjectFactory.getAccessibleComponent(
					(XAccessible) UnoRuntime.queryInterface(XAccessible.class, targetSet[i]));
				if (c != null) {
					list.add(c);
				}
			}
			list.trimToSize();
			return list.toArray();
		} catch (com.sun.star.uno.RuntimeException e) {
			return null;
		}
	}

	protected java.awt.EventQueue getEventQueue() {
		return java.awt.Toolkit.getDefaultToolkit().getSystemEventQueue();
	}

	protected class PropertyChangeBroadcaster implements Runnable {
		String propertyName;
		Object oldValue;
		Object newValue;

		public PropertyChangeBroadcaster(String name, Object param1, Object param2) {
			propertyName = name;
			oldValue = param1;
			newValue = param2;
		}

		public void run() {
			// Because this code is executed in the DispatchThread, it is better to catch every
			// exception that might occur
			try {
				AccessibleContext ac = Container.this.accessibleContext;
				if (ac != null) {
					ac.firePropertyChange(propertyName, oldValue, newValue);
				}
			} catch (java.lang.Exception e) {
				if (Build.DEBUG) {
					System.err.println(e.getClass().getName() + " caught propagating " + propertyName + " event: " + e.getMessage());
					e.printStackTrace();
				}
			}
		}
	}

	protected void firePropertyChange(String property, Object oldValue, Object newValue) {
		getEventQueue().invokeLater(new PropertyChangeBroadcaster(property, oldValue, newValue));
	}

	protected void fireStatePropertyChange(AccessibleState state, boolean set) {
		PropertyChangeBroadcaster broadcaster;
		if (set) {
			broadcaster = new PropertyChangeBroadcaster(
				AccessibleContext.ACCESSIBLE_STATE_PROPERTY,
				null, state);
		} else {
			broadcaster = new PropertyChangeBroadcaster(
				AccessibleContext.ACCESSIBLE_STATE_PROPERTY,
				state, null);
		}
		getEventQueue().invokeLater(broadcaster);
	}

	/**
	* Update the proxy objects appropriately on property change events
	*/
	protected class AccessibleContainerListener implements XAccessibleEventListener {

		protected AccessibleContainerListener() {
		}

		protected java.awt.EventQueue getEventQueue() {
			return java.awt.Toolkit.getDefaultToolkit().getSystemEventQueue();
		}

		protected void setComponentState(short state, boolean enable) {
			switch (state) {
				case AccessibleStateType.ACTIVE:
					// Only frames should be active
					break;
				case AccessibleStateType.ENABLED:
					setEnabled(enable);
					// Since we can't access awt.Componet.accessibleContext, we need to fire
					// this event manually...
					fireStatePropertyChange(AccessibleState.ENABLED, enable);
					break;
				case AccessibleStateType.FOCUSED:
					getEventQueue().postEvent(new java.awt.event.FocusEvent(
						Container.this, enable ?
						java.awt.event.FocusEvent.FOCUS_GAINED :
						java.awt.event.FocusEvent.FOCUS_LOST));
					break;
				case AccessibleStateType.SELECTED:
					fireStatePropertyChange(AccessibleState.SELECTED, enable);
					break;
				case AccessibleStateType.SENSITIVE:
					// This state equals ENABLED in AOO (but not in Gtk+) and does not exist in Java 1.5
					break;
				case AccessibleStateType.SHOWING:
				case AccessibleStateType.VISIBLE:
					setVisible(enable);
					break;
				default:
					if (Build.DEBUG) {
						System.err.println(Container.this + "unexpected state change " + state);
					}
					break;
			}
		}
		/** Updates the accessible name and fires the appropriate PropertyChangedEvent */
		protected void handleNameChangedEvent(Object any) {
			try {
				// This causes the property change event to be fired in the VCL thread
				// context. If this causes problems, it has to be delegated to the java
				// dispatch thread...
				if (accessibleContext != null) {
					accessibleContext.setAccessibleName(AnyConverter.toString(any));
				}
			} catch (com.sun.star.lang.IllegalArgumentException e) {
			}
		}

		/** Updates the accessible description and fires the appropriate PropertyChangedEvent */
		protected void handleDescriptionChangedEvent(Object any) {
			try {
				// This causes the property change event to be fired in the VCL thread
				// context. If this causes problems, it has to be delegated to the java
				// dispatch thread...
				if (accessibleContext != null) {
					accessibleContext.setAccessibleDescription(AnyConverter.toString(any));
				}
			} catch (com.sun.star.lang.IllegalArgumentException e) {
			}
		}

		/** Updates the internal states and fires the appropriate PropertyChangedEvent */
		protected void handleStateChangedEvent(Object any1, Object any2) {
			try {
				if (AnyConverter.isShort(any1)) {
					setComponentState(AnyConverter.toShort(any1), false);
				}

				if (AnyConverter.isShort(any2)) {
					setComponentState(AnyConverter.toShort(any2), true);
				}
			} catch (com.sun.star.lang.IllegalArgumentException e) {
			}
		}

		/* This event is only necessary because some objects in the office don't know their parent
		 * and are therefor unable to revoke and re-insert themselves.
		 */
		protected void handleAllChildrenChangedEvent() {
			javax.accessibility.Accessible parent = (javax.accessibility.Accessible) getParent();
			if (parent != null) {
				javax.accessibility.AccessibleContext parentAC = parent.getAccessibleContext();
				if (parentAC != null) {

					parentAC.firePropertyChange(
						javax.accessibility.AccessibleContext.ACCESSIBLE_CHILD_PROPERTY,
						Container.this,
						null);

					AccessibleObjectFactory.clearContainer(Container.this);
					AccessibleObjectFactory.populateContainer(Container.this, unoAccessibleContext);

					parentAC.firePropertyChange(
						javax.accessibility.AccessibleContext.ACCESSIBLE_CHILD_PROPERTY,
						null,
						Container.this);
				}
			}
		}

		/** Called by OpenOffice process to notify property changes */
		public void notifyEvent(AccessibleEventObject event) {

			if ( !disposed ) {

				switch (event.EventId) {
					case AccessibleEventId.NAME_CHANGED:
						// Set the accessible name for the corresponding context, which will fire a property
						// change event itself
						handleNameChangedEvent(event.NewValue);
						break;
					case AccessibleEventId.DESCRIPTION_CHANGED:
						// Set the accessible description for the corresponding context, which will fire a property
						// change event itself - so do not set propertyName !
						handleDescriptionChangedEvent(event.NewValue);
						break;
					case AccessibleEventId.STATE_CHANGED:
						// Update the internal state set and fire the appropriate PropertyChangedEvent
						handleStateChangedEvent(event.OldValue, event.NewValue);
						break;
					case AccessibleEventId.TEXT_CHANGED:
						firePropertyChange(AccessibleContext.ACCESSIBLE_TEXT_PROPERTY,
												AccessibleTextImpl.convertTextSegment(event.OldValue),
												AccessibleTextImpl.convertTextSegment(event.NewValue));
						break;
					case AccessibleEventId.CHILD:
						if (AnyConverter.isObject(event.OldValue)) {
							AccessibleObjectFactory.removeChild(Container.this, event.OldValue);
						} else if (AnyConverter.isObject(event.NewValue)) {
							AccessibleObjectFactory.addChild(Container.this, event.NewValue);
						}
						break;
					case AccessibleEventId.VISIBLE_DATA_CHANGED:
					case AccessibleEventId.BOUNDRECT_CHANGED:
						firePropertyChange(AccessibleContext.ACCESSIBLE_VISIBLE_DATA_PROPERTY, null, null);
						break;
					/*
					 * the Java AccessBridge for GNOME maps SELECTION_PROPERTY change events
					 * for objects of role TEXT to object:text-selection-changed
					 */
					case AccessibleEventId.TEXT_SELECTION_CHANGED:
					case AccessibleEventId.SELECTION_CHANGED:
						firePropertyChange(AccessibleContext.ACCESSIBLE_SELECTION_PROPERTY, null, null);
						break;
					case AccessibleEventId.INVALIDATE_ALL_CHILDREN:
						handleAllChildrenChangedEvent();
						break;
					default:
						// Warn about unhandled events
						if(Build.DEBUG) {
							System.out.println(this + ": unhandled accessibility event id=" + event.EventId);
						}
				}
			}
		}

		/** Called by OpenOffice process to notify that the UNO component is disposing */
		public void disposing(com.sun.star.lang.EventObject eventObject) {
			disposed = true;
			AccessibleObjectFactory.disposing(Container.this);
		}
	}

	protected XAccessibleEventListener createEventListener() {
		return new AccessibleContainerListener();
	}

	protected javax.accessibility.AccessibleContext accessibleContext = null;

	/** This method actually creates the AccessibleContext object returned by
	 * getAccessibleContext().
	 */
	protected javax.accessibility.AccessibleContext createAccessibleContext() {
		return new AccessibleContainer();
	}

	/** Returns the AccessibleContext associated with this object */
	public final javax.accessibility.AccessibleContext getAccessibleContext() {
		if (accessibleContext == null) {
			try {
				AccessibleContext ac = createAccessibleContext();
				if (ac != null) {
					// Set accessible name and description here to avoid
					// unnecessary property change events later...
					ac.setAccessibleName(unoAccessibleContext.getAccessibleName());
					ac.setAccessibleDescription(unoAccessibleContext.getAccessibleDescription());
					accessibleContext = ac;
				}
			} catch (com.sun.star.uno.RuntimeException e) {
			}
		}
		return accessibleContext;
	}

	protected class AccessibleContainer extends java.awt.Container.AccessibleAWTContainer {

		protected AccessibleContainer() {
			/* Since getAccessibleText() is heavily used by the java access
			 * bridge for gnome and the gnome at-tools, we do a query interface
			 * here and remember the result.
			 */
			accessibleText = AccessibleTextImpl.get(unoAccessibleContext);
		}

		protected AccessibleContainer(boolean query) {
			/* This constructor is explicitly for subclasses that implement
			 * AccessibleHypertext and therefor the default constructor would
			 * bring unnecessary overhead.
			 */
		}

		protected java.awt.event.ComponentListener accessibleComponentHandler = null;

		/**
		* Fire PropertyChange listener, if one is registered,
		* when shown/hidden...
		*/
		protected class AccessibleComponentHandler implements java.awt.event.ComponentListener {
			public void componentHidden(java.awt.event.ComponentEvent e) {
				AccessibleContainer.this.firePropertyChange(
					AccessibleContext.ACCESSIBLE_STATE_PROPERTY,
					AccessibleState.VISIBLE, null);
			}

			public void componentShown(java.awt.event.ComponentEvent e) {
				AccessibleContainer.this.firePropertyChange(
					AccessibleContext.ACCESSIBLE_STATE_PROPERTY,
					null, AccessibleState.VISIBLE);
			}

			public void componentMoved(java.awt.event.ComponentEvent e) {
			}

			public void componentResized(java.awt.event.ComponentEvent e) {
			}
		} // inner class AccessibleContainerHandler

		protected java.awt.event.FocusListener accessibleFocusHandler = null;

		/**
		* Fire PropertyChange listener, if one is registered,
		* when focus events happen
		*/
		protected class AccessibleFocusHandler implements java.awt.event.FocusListener {
			public void focusGained(java.awt.event.FocusEvent event) {
				AccessibleContainer.this.firePropertyChange(
					AccessibleContext.ACCESSIBLE_STATE_PROPERTY,
					null, AccessibleState.FOCUSED);
				if (Build.DEBUG) {
					System.err.println("[" + getAccessibleRole() + "] " + getAccessibleName() + " is now focused");
				}
			}
			public void focusLost(java.awt.event.FocusEvent event) {
				AccessibleContainer.this.firePropertyChange(
					AccessibleContext.ACCESSIBLE_STATE_PROPERTY,
					AccessibleState.FOCUSED, null);
				if (Build.DEBUG) {
					System.err.println("[" + getAccessibleRole() + "] " + getAccessibleName() + " is no longer focused");
				}
			}
		} // inner class AccessibleFocusHandler

		protected java.awt.event.ContainerListener accessibleContainerHandler = null;

		/**
		* Fire PropertyChange listener, if one is registered,
		* when children added/removed.
		*/

		protected class AccessibleContainerHandler implements java.awt.event.ContainerListener {
			public void componentAdded(java.awt.event.ContainerEvent e) {
				java.awt.Component c = e.getChild();
				if (c != null && c instanceof javax.accessibility.Accessible) {
					AccessibleContainer.this.firePropertyChange(
						AccessibleContext.ACCESSIBLE_CHILD_PROPERTY,
						null, ((javax.accessibility.Accessible) c).getAccessibleContext());
				}
			}
			public void componentRemoved(java.awt.event.ContainerEvent e) {
				java.awt.Component c = e.getChild();
				if (c != null && c instanceof javax.accessibility.Accessible) {
					AccessibleContainer.this.firePropertyChange(
						AccessibleContext.ACCESSIBLE_CHILD_PROPERTY,
						((javax.accessibility.Accessible) c).getAccessibleContext(), null);
				}
			}
		}

		protected int propertyChangeListenerCount = 0;

		/**
		* Add a PropertyChangeListener to the listener list.
		*
		* @param listener The PropertyChangeListener to be added
		*/
		public void addPropertyChangeListener(java.beans.PropertyChangeListener listener) {
			if (propertyChangeListenerCount++ == 0) {
				accessibleFocusHandler = new AccessibleFocusHandler();
				Container.this.addFocusListener(accessibleFocusHandler);

				accessibleContainerHandler = new AccessibleContainerHandler();
				Container.this.addContainerListener(accessibleContainerHandler);

				accessibleComponentHandler = new AccessibleComponentHandler();
				Container.this.addComponentListener(accessibleComponentHandler);
			}
			super.addPropertyChangeListener(listener);
		}

		/**
		* Remove a PropertyChangeListener from the listener list.
		* This removes a PropertyChangeListener that was registered
		* for all properties.
		*
		* @param listener The PropertyChangeListener to be removed
		*/
		public void removePropertyChangeListener(java.beans.PropertyChangeListener listener) {
			if (--propertyChangeListenerCount == 0) {
				Container.this.removeComponentListener(accessibleComponentHandler);
				accessibleComponentHandler = null;

				Container.this.removeContainerListener(accessibleContainerHandler);
				accessibleContainerHandler = null;

				Container.this.removeFocusListener(accessibleFocusHandler);
				accessibleFocusHandler = null;
			}
			super.removePropertyChangeListener(listener);
		}

		/** Gets the role of this object */
		public javax.accessibility.AccessibleRole getAccessibleRole() {
			return accessibleRole;
		}

		/** Gets the AccessibleText associated with this object presenting text on the display */
		public javax.accessibility.AccessibleText getAccessibleText() {

			if (disposed)
				return null;

			return accessibleText;
		}

		/**
		* Gets the current state set of this object.
		*
		* @return an instance of <code>AccessibleStateSet</code>
		*  containing the current state set of the object
		* @see AccessibleState
		*/
		public javax.accessibility.AccessibleStateSet getAccessibleStateSet() {
			if (disposed)
				return AccessibleStateAdapter.getDefunctStateSet();

			try {
				return AccessibleStateAdapter.getAccessibleStateSet(Container.this,
					unoAccessibleContext.getAccessibleStateSet());
			} catch (com.sun.star.uno.RuntimeException e) {
				return AccessibleStateAdapter.getDefunctStateSet();
			}
		}

		/** Returns the AccessibleSelection interface for this object */
		public javax.accessibility.AccessibleSelection getAccessibleSelection() {
			try {
				XAccessibleSelection unoAccessibleSelection = (XAccessibleSelection)
					UnoRuntime.queryInterface(XAccessibleSelection.class, unoAccessibleContext);
				if (unoAccessibleSelection != null) {
					return new AccessibleSelectionImpl(unoAccessibleSelection);
				}
			} catch (com.sun.star.uno.RuntimeException e) {
			}

			return null;
		}

		/** Gets the locale of the component */
		public java.util.Locale getLocale() throws java.awt.IllegalComponentStateException {
			try {
				com.sun.star.lang.Locale unoLocale = unoAccessible.getAccessibleContext().getLocale();
				return new java.util.Locale(unoLocale.Language, unoLocale.Country);
			} catch (IllegalAccessibleComponentStateException e) {
				throw new java.awt.IllegalComponentStateException(e.getMessage());
			} catch (com.sun.star.uno.RuntimeException e) {
				return super.getLocale();
			}
		}

		/*
		* AccessibleComponent
		*/

		/** Returns the background color of the object */
		public java.awt.Color getBackground() {
			try {
				return new java.awt.Color(unoAccessibleComponent.getBackground());
			} catch (com.sun.star.uno.RuntimeException e) {
				return null;
			}
		}

		public void setBackground(java.awt.Color c) {
			// Not supported by UNO accessibility API
		}

		/** Returns the foreground color of the object */
		public java.awt.Color getForeground() {
			try {
				return new java.awt.Color(unoAccessibleComponent.getForeground());
			} catch (com.sun.star.uno.RuntimeException e) {
				return null;
			}
		}

		public void setForeground(java.awt.Color c) {
			// Not supported by UNO accessibility API
		}

		public java.awt.Cursor getCursor() {
			// Not supported by UNO accessibility API
			return null;
		}

		public void setCursor(java.awt.Cursor cursor) {
			// Not supported by UNO accessibility API
		}

		public java.awt.Font getFont() {
			// FIXME
			return null;
		}

		public void setFont(java.awt.Font f) {
			// Not supported by UNO accessibility API
		}

		public java.awt.FontMetrics getFontMetrics(java.awt.Font f) {
			// FIXME
			return null;
		}

		public boolean isEnabled() {
			return Container.this.isEnabled();
		}

		public void setEnabled(boolean b) {
			// Not supported by UNO accessibility API
		}

		public boolean isVisible() {
			return Container.this.isVisible();
		}

		public void setVisible(boolean b) {
			// Not supported by UNO accessibility API
		}

		public boolean isShowing() {
			return Container.this.isShowing();
		}

		public boolean contains(java.awt.Point p) {
			try {
				return unoAccessibleComponent.containsPoint(new com.sun.star.awt.Point(p.x, p.y));
			} catch (com.sun.star.uno.RuntimeException e) {
				return false;
			}
		}

		/** Returns the location of the object on the screen. */
		public java.awt.Point getLocationOnScreen() {
			try {
				com.sun.star.awt.Point unoPoint = unoAccessibleComponent.getLocationOnScreen();
				return new java.awt.Point(unoPoint.X, unoPoint.Y);
			} catch (com.sun.star.uno.RuntimeException e) {
				return null;
			}
		}

		/** Gets the location of this component in the form of a point specifying the component's top-left corner */
		public java.awt.Point getLocation() {
			try {
				com.sun.star.awt.Point unoPoint = unoAccessibleComponent.getLocation();
				return new java.awt.Point( unoPoint.X, unoPoint.Y );
			} catch (com.sun.star.uno.RuntimeException e) {
				return null;
			}
		}

		/** Moves this component to a new location */
		public void setLocation(java.awt.Point p) {
			// Not supported by UNO accessibility API
		}

		/** Gets the bounds of this component in the form of a Rectangle object */
		public java.awt.Rectangle getBounds() {
			try {
				com.sun.star.awt.Rectangle unoRect = unoAccessibleComponent.getBounds();
				return new java.awt.Rectangle(unoRect.X, unoRect.Y, unoRect.Width, unoRect.Height);
			} catch (com.sun.star.uno.RuntimeException e) {
				return null;
			}
		}

		/** Moves and resizes this component to conform to the new bounding rectangle r */
		public void setBounds(java.awt.Rectangle r) {
			// Not supported by UNO accessibility API
		}

		/** Returns the size of this component in the form of a Dimension object */
		public java.awt.Dimension getSize() {
			try {
				com.sun.star.awt.Size unoSize = unoAccessibleComponent.getSize();
				return new java.awt.Dimension(unoSize.Width, unoSize.Height);
			} catch (com.sun.star.uno.RuntimeException e) {
				return null;
			}
		}

		/** Resizes this component so that it has width d.width and height d.height */
		public void setSize(java.awt.Dimension d) {
			// Not supported by UNO accessibility API
		}

		/** Returns the Accessible child, if one exists, contained at the local coordinate Point */
		public javax.accessibility.Accessible getAccessibleAt(java.awt.Point p) {
			try {
				java.awt.Component c = AccessibleObjectFactory.getAccessibleComponent(
					unoAccessibleComponent.getAccessibleAtPoint(new com.sun.star.awt.Point(p.x, p.y)));

				return (javax.accessibility.Accessible) c;
			} catch (com.sun.star.uno.RuntimeException e) {
				return null;
			}
		}

		public boolean isFocusTraversable() {
			return Container.this.isFocusable();
		}

		public void requestFocus() {
			unoAccessibleComponent.grabFocus();
		}
	}

	public String toString() {
		return UnoRuntime.generateOid(unoAccessible);
	}
}