Quelle AccessibilityTools.java
Sprache: JAVA
/*
* 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 util;
import com.sun.star.accessibility.XAccessible;
import com.sun.star.accessibility.XAccessibleComponent;
import com.sun.star.accessibility.XAccessibleContext;
import com.sun.star.awt.XWindow;
import com.sun.star.frame.XController;
import com.sun.star.frame.XFrame;
import com.sun.star.frame.XModel;
import com.sun.star.uno.UnoRuntime;
import com.sun.star.uno.XInterface;
import java.io.PrintWriter;
public class AccessibilityTools {
public static XAccessible SearchedAccessible =
null ;
private static boolean debug =
false ;
private AccessibilityTools() {}
public static XAccessible getAccessibleObject(XInterface xObject) {
return UnoRuntime.queryInterface(XAccessible.
class , xObject);
}
public static XWindow getCurrentContainerWindow(XModel xModel) {
return getWindow(xModel,
true );
}
public static XWindow getCurrentWindow(XModel xModel) {
return getWindow(xModel,
false );
}
private static XWindow getWindow(XModel xModel,
boolean containerWindow) {
XWindow xWindow =
null ;
try {
XController xController = xModel.getCurrentController();
XFrame xFrame = xController.getFrame();
if (xFrame ==
null ) {
System.out.println(
"can't get frame from controller" );
}
else {
if (containerWindow)
xWindow = xFrame.getContainerWindow();
else
xWindow = xFrame.getComponentWindow();
}
if (xWindow ==
null ) {
System.out.println(
"can't get window from frame" );
}
}
catch (Exception e) {
System.out.println(
"caught exception while getting current window" + e);
}
return xWindow;
}
public static XAccessibleContext getAccessibleObjectForRole(XAccessible xacc,
short role) {
SearchedAccessible =
null ;
return getAccessibleObjectForRole_(xacc, role);
}
public static XAccessibleContext getAccessibleObjectForRole(XAccessible xacc,
short role,
boolean ignoreShowing) {
SearchedAccessible =
null ;
if (ignoreShowing) {
return getAccessibleObjectForRoleIgnoreShowing_(xacc, role);
}
else {
return getAccessibleObjectForRole_(xacc, role);
}
}
private static XAccessibleContext getAccessibleObjectForRoleIgnoreShowing_(XAccessi
ble xacc,
short role) {
XAccessibleContext ac = xacc.getAccessibleContext();
if (ac == null ) {
return null ;
}
if (ac.getAccessibleRole() == role) {
SearchedAccessible = xacc;
return ac;
} else {
long k = ac.getAccessibleChildCount();
if (ac.getAccessibleChildCount() > 100) {
k = 50;
}
for (long i = 0; i < k; i++) {
try {
XAccessibleContext ac2 = getAccessibleObjectForRoleIgnoreShowing_(
ac.getAccessibleChild(i), role);
if (ac2 != null ) {
return ac2;
}
} catch (com.sun.star.lang.IndexOutOfBoundsException e) {
System.out.println("Couldn't get Child" );
}
}
return null ;
}
}
private static XAccessibleContext getAccessibleObjectForRole_(XAccessible xacc,
short role) {
XAccessibleContext ac = xacc.getAccessibleContext();
boolean isShowing = (ac.getAccessibleStateSet()
& com.sun.star.accessibility.AccessibleStateType.SHOWING) != 0;
if ((ac.getAccessibleRole() == role) && isShowing) {
SearchedAccessible = xacc;
return ac;
} else {
long k = ac.getAccessibleChildCount();
if (ac.getAccessibleChildCount() > 100) {
k = 50;
}
for (long i = 0; i < k; i++) {
try {
XAccessibleContext ac2 = getAccessibleObjectForRole_(ac.getAccessibleChild(i), role);
if (ac2 != null ) {
return ac2;
}
} catch (com.sun.star.lang.IndexOutOfBoundsException e) {
System.out.println("Couldn't get Child" );
}
}
return null ;
}
}
public static XAccessibleContext getAccessibleObjectForRole(XAccessible xacc,
short role,
String name) {
return getAccessibleObjectForRole(xacc, role, name, "" );
}
public static XAccessibleContext getAccessibleObjectForRole(XAccessible xacc,
short role,
String name,
boolean ignoreShowing) {
if (ignoreShowing) {
return getAccessibleObjectForRoleIgnoreShowing(xacc, role, name,
"" );
} else {
return getAccessibleObjectForRole(xacc, role, name, "" );
}
}
public static XAccessibleContext getAccessibleObjectForRoleIgnoreShowing(XAccessible xacc,
short role,
String name,
String implName) {
XAccessibleContext ac = xacc.getAccessibleContext();
if ((ac.getAccessibleRole() == role) &&
(ac.getAccessibleName().indexOf(name) > -1) &&
(utils.getImplName(ac).indexOf(implName) > -1)) {
SearchedAccessible = xacc;
return ac;
} else {
long k = ac.getAccessibleChildCount();
if (ac.getAccessibleChildCount() > 100) {
k = 50;
}
for (long i = 0; i < k; i++) {
try {
XAccessibleContext ac1 = getAccessibleObjectForRoleIgnoreShowing(
ac.getAccessibleChild(i),
role, name, implName);
if (ac1 != null ) {
return ac1;
}
} catch (com.sun.star.lang.IndexOutOfBoundsException e) {
System.out.println("Couldn't get Child" );
}
}
}
return null ;
}
public static XAccessibleContext getAccessibleObjectForRole(XAccessible xacc,
short role,
String name,
String implName) {
XAccessibleContext ac = xacc.getAccessibleContext();
boolean isShowing = (ac.getAccessibleStateSet() &
com.sun.star.accessibility.AccessibleStateType.SHOWING) != 0;
// hotfix for i91828:
// if role to search is 0 then ignore the role.
if ( (role == 0 || ac.getAccessibleRole() == role) &&
(ac.getAccessibleName().indexOf(name) > -1) &&
(utils.getImplName(ac).indexOf(implName) > -1) &&
isShowing) {
SearchedAccessible = xacc;
return ac;
} else {
long k = ac.getAccessibleChildCount();
if (ac.getAccessibleChildCount() > 100) {
k = 50;
}
for (long i = 0; i < k; i++) {
try {
XAccessibleContext ac1 = getAccessibleObjectForRole(
ac.getAccessibleChild(i),
role, name, implName);
if (ac1 != null ) {
return ac1;
}
} catch (com.sun.star.lang.IndexOutOfBoundsException e) {
System.out.println("Couldn't get Child" );
}
}
}
return null ;
}
public static void printAccessibleTree(PrintWriter log, XAccessible xacc, boolean debugIsActive) {
debug = debugIsActive;
if (debug) printAccessibleTree(log, xacc, "" );
}
public static void printAccessibleTree(PrintWriter log, XAccessible xacc) {
printAccessibleTree(log, xacc, "" );
}
private static void printAccessibleTree(PrintWriter log,
XAccessible xacc, String indent) {
XAccessibleContext ac = xacc.getAccessibleContext();
logging(log,indent + ac.getAccessibleRole() + "," +
ac.getAccessibleName() + "(" +
ac.getAccessibleDescription() + "):" +
utils.getImplName(ac));
XAccessibleComponent aComp = UnoRuntime.queryInterface(
XAccessibleComponent.class , xacc);
if (aComp != null ) {
String bounds = "(" + aComp.getBounds().X + "," +
aComp.getBounds().Y + ")" + " (" +
aComp.getBounds().Width + "," +
aComp.getBounds().Height + ")" ;
bounds = "The boundary Rectangle is " + bounds;
logging(log,indent + indent + bounds);
}
boolean isShowing = (ac.getAccessibleStateSet()
& com.sun.star.accessibility.AccessibleStateType.SHOWING) != 0;
logging(log,indent + indent + "StateType contains SHOWING: " +
isShowing);
long k = ac.getAccessibleChildCount();
if (ac.getAccessibleChildCount() > 100) {
k = 50;
}
for (long i = 0; i < k; i++) {
try {
printAccessibleTree(log, ac.getAccessibleChild(i),
indent + " " );
} catch (com.sun.star.lang.IndexOutOfBoundsException e) {
System.out.println("Couldn't get Child" );
}
}
if (ac.getAccessibleChildCount() > 100) {
k = ac.getAccessibleChildCount();
long st = ac.getAccessibleChildCount() - 50;
logging(log,indent + " " + " ...... [skipped] ......" );
for (long i = st; i < k; i++) {
try {
printAccessibleTree(log, ac.getAccessibleChild(i),
indent + " " );
} catch (com.sun.star.lang.IndexOutOfBoundsException e) {
System.out.println("Couldn't get Child" );
}
}
}
}
public static String accessibleToString(Object AC) {
XAccessibleContext xAC = UnoRuntime.queryInterface(
XAccessibleContext.class , AC);
if (xAC != null ) {
return xAC.getAccessibleRole() + "," +
xAC.getAccessibleName() + "(" +
xAC.getAccessibleDescription() + "):" ;
}
XAccessible xA = UnoRuntime.queryInterface(
XAccessible.class , AC);
if (xA == null ) {
return "(Not supported)" ;
}
xAC = xA.getAccessibleContext();
return xAC.getAccessibleRole() + "," + xAC.getAccessibleName() +
"(" + xAC.getAccessibleDescription() + ")" ;
}
public static boolean equals(XAccessible c1, XAccessible c2) {
if ((c1 == null ) || (c2 == null )) {
return c1 == c2;
}
return AccessibilityTools.equals(c1.getAccessibleContext(),
c2.getAccessibleContext());
}
public static boolean equals(XAccessibleContext c1, XAccessibleContext c2) {
if ((c1 == null ) || (c2 == null )) {
return c1 == c2;
}
if (c1.getAccessibleRole() != c2.getAccessibleRole()) {
return false ;
}
if (!c1.getAccessibleName().equals(c2.getAccessibleName())) {
return false ;
}
if (!c1.getAccessibleDescription()
.equals(c2.getAccessibleDescription())) {
return false ;
}
if (c1.getAccessibleChildCount() != c2.getAccessibleChildCount()) {
return false ;
}
return AccessibilityTools.equals(c1.getAccessibleParent(),
c2.getAccessibleParent());
}
private static void logging(PrintWriter log, String content){
if (debug) log.println(content);
}
}
Messung V0.5 C=96 H=91 G=93
¤ Dauer der Verarbeitung: 0.5 Sekunden
¤
*© Formatika GbR, Deutschland
2026-04-04