/************************************************************************* * * $RCSfile: AccessBridge.java,v $ * * The Contents of this file are made available subject to the terms of * either of the following licenses * * - GNU Lesser General Public License Version 2.1 * - Sun Industry Standards Source License Version 1.1 * * Sun Microsystems Inc., October, 2000 * * GNU Lesser General Public License Version 2.1 * ============================================= * Copyright 2000 by Sun Microsystems, Inc. * 901 San Antonio Road, Palo Alto, CA 94303, USA * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License version 2.1, as published by the Free Software Foundation. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA * * * Sun Industry Standards Source License Version 1.1 * ================================================= * The contents of this file are subject to the Sun Industry Standards * Source License Version 1.1 (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.openoffice.org/license.html. * * Software provided under this License is provided on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS, * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING. * See the License for the specific provisions governing your rights and * obligations concerning the Software. * * The Initial Developer of the Original Code is: Sun Microsystems, Inc. * * Copyright: 2000 by Sun Microsystems, Inc. * * All Rights Reserved. * * Contributor(s): _______________________________________ * * ************************************************************************/ 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.XTopWindow; import com.sun.star.awt.XTopWindowListener; import com.sun.star.awt.XWindow; import com.sun.star.comp.loader.FactoryHelper; 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.lang.reflect.InvocationTargetException; import java.lang.reflect.Method; import javax.accessibility.Accessible; public class AccessBridge { // protected static java.util.Hashtable topWindowMap = new java.util.Hashtable(); 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 = (java.awt.Window) 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: 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 (java.awt.Window) 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 tk = java.awt.Toolkit.getDefaultToolkit(); xSingleServiceFactory = FactoryHelper.getServiceFactory(_AccessBridge.class, _AccessBridge._serviceName, multiFactory, regKey); } return xSingleServiceFactory; } public static boolean __writeRegistryServiceInfo(XRegistryKey regKey) { return FactoryHelper.writeRegistryServiceInfo(AccessBridge.class.getName(), _AccessBridge._serviceName, regKey); } static public class _AccessBridge implements XTopWindowListener, XInitialization { 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 = (String) 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 = (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 = (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) { } } }