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/*
* 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 org.openoffice.java.accessibility;
import com.sun.star.accessibility.*;
import com.sun.star.uno.AnyConverter;
import com.sun.star.uno.UnoRuntime;
import javax.accessibility.AccessibleState;
public abstract class DescendantManager extends Component {
protected XAccessibleSelection unoAccessibleSelection = null;
protected javax.accessibility.Accessible activeDescendant = null;
protected boolean multiselectable = false;
protected DescendantManager(XAccessible xAccessible,
XAccessibleContext xAccessibleContext) {
super(xAccessible, xAccessibleContext);
}
protected DescendantManager(XAccessible xAccessible,
XAccessibleContext xAccessibleContext, boolean multiselectable) {
super(xAccessible, xAccessibleContext);
this.multiselectable = multiselectable;
}
/**
* Update the proxy objects appropriatly on property change events
*/
protected class AccessibleDescendantManagerListener
extends AccessibleUNOComponentListener {
protected AccessibleDescendantManagerListener() {
unoAccessibleSelection = (XAccessibleSelection) UnoRuntime.queryInterface(XAccessibleSelection.class,
unoAccessibleContext);
}
/** Called by OpenOffice process to notify property changes */
public void notifyEvent(AccessibleEventObject event) {
switch (event.EventId) {
case AccessibleEventId.SELECTION_CHANGED:
firePropertyChange(javax.accessibility.AccessibleContext.ACCESSIBLE_SELECTION_PROPERTY,
null, null);
break;
default:
super.notifyEvent(event);
}
}
}
protected abstract class AccessibleDescendantManager
extends AccessibleUNOComponent
implements javax.accessibility.AccessibleSelection {
protected AccessibleDescendantManager() {
unoAccessibleSelection = (XAccessibleSelection) UnoRuntime.queryInterface(XAccessibleSelection.class,
unoAccessibleContext);
}
/*
* AccessibleContext
*/
/** Returns the number of accessible children of the object */
public int getAccessibleChildrenCount() {
try {
return unoAccessibleContext.getAccessibleChildCount();
} catch (com.sun.star.uno.RuntimeException e) {
return 0;
}
}
/** Returns the AccessibleSelection interface for this object */
public javax.accessibility.AccessibleSelection getAccessibleSelection() {
return (unoAccessibleSelection != null) ? this : null;
}
/*
* AccessibleSelection
*/
/** Adds the specified Accessible child of the object to the object's selection */
public void addAccessibleSelection(int i) {
try {
unoAccessibleSelection.selectAccessibleChild(i);
} catch (com.sun.star.lang.IndexOutOfBoundsException e) {
} catch (com.sun.star.uno.RuntimeException e) {
}
}
/** Clears the selection in the object, so that no children in the object are selected */
public void clearAccessibleSelection() {
try {
unoAccessibleSelection.clearAccessibleSelection();
} catch (com.sun.star.uno.RuntimeException e) {
}
}
/** Returns the number of Accessible children currently selected */
public int getAccessibleSelectionCount() {
try {
return unoAccessibleSelection.getSelectedAccessibleChildCount();
} catch (com.sun.star.uno.RuntimeException e) {
return 0;
}
}
/** Determines if the current child of this object is selected */
public boolean isAccessibleChildSelected(int i) {
try {
return unoAccessibleSelection.isAccessibleChildSelected(i);
} catch (com.sun.star.lang.IndexOutOfBoundsException e) {
return false;
} catch (com.sun.star.uno.RuntimeException e) {
return false;
}
}
/** Removes the specified child of the object from the object's selection */
public void removeAccessibleSelection(int i) {
try {
unoAccessibleSelection.deselectAccessibleChild(i);
} catch (com.sun.star.lang.IndexOutOfBoundsException e) {
} catch (com.sun.star.uno.RuntimeException e) {
}
}
/** Causes every child of the object to be selected if the object supports multiple selection */
public void selectAllAccessibleSelection() {
try {
unoAccessibleSelection.selectAllAccessibleChildren();
} catch (com.sun.star.uno.RuntimeException e) {
}
}
}
}
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