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Diffstat (limited to 'accessibility/bridge/org/openoffice/accessibility/AccessBridge.java')
-rwxr-xr-x | accessibility/bridge/org/openoffice/accessibility/AccessBridge.java | 250 |
1 files changed, 250 insertions, 0 deletions
diff --git a/accessibility/bridge/org/openoffice/accessibility/AccessBridge.java b/accessibility/bridge/org/openoffice/accessibility/AccessBridge.java new file mode 100755 index 000000000000..454cd15154d4 --- /dev/null +++ b/accessibility/bridge/org/openoffice/accessibility/AccessBridge.java @@ -0,0 +1,250 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ +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.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.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: + 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 (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, 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 = (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) { + } + + /* + * XComponent + */ + + public void addEventListener(com.sun.star.lang.XEventListener listener) { + } + + public void removeEventListener(com.sun.star.lang.XEventListener listener) { + } + + public void dispose() { + try { + java.awt.Toolkit.getDefaultToolkit().getSystemEventQueue().invokeAndWait( + new Runnable() { + public void run() { + } + } ); + } catch (java.lang.InterruptedException e) { + } catch (java.lang.reflect.InvocationTargetException e) { + } + } + } +} |