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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.accessibility;
import com.sun.star.accessibility.AccessibleRole;
import com.sun.star.accessibility.XAccessible;
import com.sun.star.accessibility.XAccessibleContext;
import com.sun.star.awt.XExtendedToolkit;
import com.sun.star.awt.XTopWindowListener;
import com.sun.star.comp.loader.FactoryHelper;
import com.sun.star.lang.XComponent;
import com.sun.star.lang.XInitialization;
import com.sun.star.lang.XMultiServiceFactory;
import com.sun.star.lang.XSingleServiceFactory;
import com.sun.star.registry.*;
import com.sun.star.uno.*;
import org.openoffice.java.accessibility.*;
import java.awt.EventQueue;
import java.awt.Window;
public class AccessBridge {
//
protected static java.util.Hashtable<String, Window> topWindowMap = new java.util.Hashtable<String, Window>();
private static java.awt.Window getTopWindowImpl(XAccessible xAccessible) {
// Because it can not be garantied that
// WindowsAccessBridgeAdapter.registerTopWindow() is called
// before windowOpened(), we have to make this operation
// atomic.
synchronized (topWindowMap) {
String oid = UnoRuntime.generateOid(xAccessible);
java.awt.Window w = topWindowMap.get(oid);
if (w == null) {
w = AccessibleObjectFactory.getTopWindow(xAccessible);
if (w != null) {
topWindowMap.put(oid, w);
}
}
return w;
}
}
protected static java.awt.Window getTopWindow(XAccessible xAccessible) {
if (xAccessible != null) {
XAccessibleContext xAccessibleContext = xAccessible.getAccessibleContext();
if (xAccessibleContext != null) {
// Toolkit reports the VCL peer windows as toplevels. These have an
// accessible parent which represents the native frame window
switch(xAccessibleContext.getAccessibleRole()) {
case AccessibleRole.ROOT_PANE:
case AccessibleRole.POPUP_MENU:
return getTopWindow(xAccessibleContext.getAccessibleParent());
case AccessibleRole.WINDOW:
case AccessibleRole.FRAME:
case AccessibleRole.DIALOG:
case AccessibleRole.ALERT:
return getTopWindowImpl(xAccessible);
default:
break;
}
}
}
return null;
}
protected static java.awt.Window removeTopWindow(XAccessible xAccessible) {
if (xAccessible != null) {
XAccessibleContext xAccessibleContext = xAccessible.getAccessibleContext();
if (xAccessibleContext != null) {
// Toolkit reports the VCL peer windows as toplevels. These have an
// accessible parent which represents the native frame window
switch(xAccessibleContext.getAccessibleRole()) {
case AccessibleRole.ROOT_PANE:
case AccessibleRole.POPUP_MENU:
return removeTopWindow(xAccessibleContext.getAccessibleParent());
case AccessibleRole.WINDOW:
case AccessibleRole.FRAME:
case AccessibleRole.DIALOG:
return topWindowMap.remove(UnoRuntime.generateOid(xAccessible));
default:
break;
}
}
}
return null;
}
public static XSingleServiceFactory __getServiceFactory(String implName,
XMultiServiceFactory multiFactory, XRegistryKey regKey) {
XSingleServiceFactory xSingleServiceFactory = null;
if (implName.equals(AccessBridge.class.getName())) {
// Initialize toolkit to register at Java <-> Windows access bridge
java.awt.Toolkit.getDefaultToolkit();
xSingleServiceFactory = FactoryHelper.getServiceFactory(_AccessBridge.class,
_AccessBridge._serviceName, multiFactory, regKey);
}
return xSingleServiceFactory;
}
static public class _AccessBridge implements XTopWindowListener,
XInitialization, XComponent {
static final String _serviceName = "com.sun.star.accessibility.AccessBridge";
XComponentContext xComponentContext;
public _AccessBridge(XComponentContext xComponentContext) {
this.xComponentContext = xComponentContext;
}
/*
* XInitialization
*/
public void initialize(java.lang.Object[] arguments) {
try {
// FIXME: Currently there is no way to determine if key event forwarding is needed or not,
// so we have to do it always ..
XExtendedToolkit unoToolkit = (XExtendedToolkit) AnyConverter.toObject(new Type(
XExtendedToolkit.class), arguments[0]);
if (unoToolkit != null) {
// FIXME this should be done in VCL
unoToolkit.addTopWindowListener(this);
String os = System.getProperty("os.name");
// Try to initialize the WindowsAccessBridgeAdapter
if (os.startsWith("Windows")) {
WindowsAccessBridgeAdapter.attach(xComponentContext);
} else {
unoToolkit.addKeyHandler(new KeyHandler());
}
} else if (Build.DEBUG) {
System.err.println(
"argument 0 is not of type XExtendedToolkit.");
}
} catch (com.sun.star.lang.IllegalArgumentException e) {
// FIXME: output
}
}
/*
* XTopWindowListener
*/
public void windowOpened(com.sun.star.lang.EventObject event) {
XAccessible xAccessible = UnoRuntime.queryInterface(XAccessible.class,
event.Source);
java.awt.Window w = getTopWindow(xAccessible);
}
public void windowActivated(com.sun.star.lang.EventObject event) {
}
public void windowDeactivated(com.sun.star.lang.EventObject event) {
}
public void windowMinimized(com.sun.star.lang.EventObject event) {
}
public void windowNormalized(com.sun.star.lang.EventObject event) {
}
public void windowClosing(com.sun.star.lang.EventObject event) {
}
public void windowClosed(com.sun.star.lang.EventObject event) {
XAccessible xAccessible = UnoRuntime.queryInterface(XAccessible.class,
event.Source);
java.awt.Window w = removeTopWindow(xAccessible);
if (w != null) {
w.dispose();
}
}
public void disposing(com.sun.star.lang.EventObject event) {
}
/*
* XComponent
*/
public void addEventListener(com.sun.star.lang.XEventListener listener) {
}
public void removeEventListener(com.sun.star.lang.XEventListener listener) {
}
public void dispose() {
try {
EventQueue.invokeAndWait(
new Runnable() {
public void run() {
}
} );
} catch (java.lang.InterruptedException e) {
} catch (java.lang.reflect.InvocationTargetException e) {
}
}
}
}
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