1 /*
2 * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package sun.lwawt.macosx;
27
28 import java.awt.Component;
29 import java.lang.reflect.Field;
30
31 import javax.accessibility.Accessible;
32 import javax.accessibility.AccessibleContext;
33 import javax.swing.JProgressBar;
34 import javax.swing.JSlider;
35 import javax.swing.event.CaretEvent;
36 import javax.swing.event.CaretListener;
37 import javax.swing.event.ChangeEvent;
38 import javax.swing.event.ChangeListener;
39 import javax.swing.event.DocumentEvent;
40 import javax.swing.event.DocumentListener;
41 import javax.swing.text.JTextComponent;
42
43
44 class CAccessible extends CFRetainedResource implements Accessible {
45 static Field getNativeAXResourceField() {
46 try {
47 final Field field = AccessibleContext.class.getDeclaredField("nativeAXResource");
48 field.setAccessible(true);
49 return field;
50 } catch (final Exception e) {
51 e.printStackTrace();
52 return null;
53 }
54 }
55
56 private static Field nativeAXResourceField = getNativeAXResourceField();
57
58 public static CAccessible getCAccessible(final Accessible a) {
59 if (a == null) return null;
60 AccessibleContext context = a.getAccessibleContext();
61 try {
62 final CAccessible cachedCAX = (CAccessible) nativeAXResourceField.get(context);
82
83 if (accessible == null) throw new NullPointerException();
84 this.accessible = accessible;
85
86 if (accessible instanceof Component) {
87 addNotificationListeners((Component)accessible);
88 }
89 }
90
91 @Override
92 protected synchronized void dispose() {
93 if (ptr != 0) unregisterFromCocoaAXSystem(ptr);
94 super.dispose();
95 }
96
97 @Override
98 public AccessibleContext getAccessibleContext() {
99 return accessible.getAccessibleContext();
100 }
101
102 // currently only supports text components
103 public void addNotificationListeners(Component c) {
104 if (c instanceof JTextComponent) {
105 JTextComponent tc = (JTextComponent) c;
106 AXTextChangeNotifier listener = new AXTextChangeNotifier();
107 tc.getDocument().addDocumentListener(listener);
108 tc.addCaretListener(listener);
109 }
110 if (c instanceof JProgressBar) {
111 JProgressBar pb = (JProgressBar) c;
112 pb.addChangeListener(new AXProgressChangeNotifier());
113 } else if (c instanceof JSlider) {
114 JSlider slider = (JSlider) c;
115 slider.addChangeListener(new AXProgressChangeNotifier());
116 }
117 }
118
119
120 private class AXTextChangeNotifier implements DocumentListener, CaretListener {
121 @Override
122 public void changedUpdate(DocumentEvent e) {
123 if (ptr != 0) valueChanged(ptr);
124 }
125
126 @Override
127 public void insertUpdate(DocumentEvent e) {
128 if (ptr != 0) valueChanged(ptr);
129 }
130
131 @Override
132 public void removeUpdate(DocumentEvent e) {
133 if (ptr != 0) valueChanged(ptr);
134 }
135
136 @Override
137 public void caretUpdate(CaretEvent e) {
138 if (ptr != 0) selectionChanged(ptr);
139 }
140 }
141
142 private class AXProgressChangeNotifier implements ChangeListener {
143 public void stateChanged(ChangeEvent e) {
144 if (ptr != 0) valueChanged(ptr);
145 }
146 }
147
148 static Accessible getSwingAccessible(final Accessible a) {
149 return (a instanceof CAccessible) ? ((CAccessible)a).accessible : a;
150 }
151 }
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1 /*
2 * Copyright (c) 2011, 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package sun.lwawt.macosx;
27
28 import java.awt.Component;
29 import java.beans.PropertyChangeEvent;
30 import java.beans.PropertyChangeListener;
31 import java.lang.reflect.Field;
32
33 import javax.accessibility.Accessible;
34 import javax.accessibility.AccessibleContext;
35 import javax.swing.JProgressBar;
36 import javax.swing.JSlider;
37 import javax.swing.event.ChangeEvent;
38 import javax.swing.event.ChangeListener;
39
40 import sun.lwawt.macosx.CFRetainedResource;
41
42 class CAccessible extends CFRetainedResource implements Accessible {
43 static Field getNativeAXResourceField() {
44 try {
45 final Field field = AccessibleContext.class.getDeclaredField("nativeAXResource");
46 field.setAccessible(true);
47 return field;
48 } catch (final Exception e) {
49 e.printStackTrace();
50 return null;
51 }
52 }
53
54 private static Field nativeAXResourceField = getNativeAXResourceField();
55
56 public static CAccessible getCAccessible(final Accessible a) {
57 if (a == null) return null;
58 AccessibleContext context = a.getAccessibleContext();
59 try {
60 final CAccessible cachedCAX = (CAccessible) nativeAXResourceField.get(context);
80
81 if (accessible == null) throw new NullPointerException();
82 this.accessible = accessible;
83
84 if (accessible instanceof Component) {
85 addNotificationListeners((Component)accessible);
86 }
87 }
88
89 @Override
90 protected synchronized void dispose() {
91 if (ptr != 0) unregisterFromCocoaAXSystem(ptr);
92 super.dispose();
93 }
94
95 @Override
96 public AccessibleContext getAccessibleContext() {
97 return accessible.getAccessibleContext();
98 }
99
100 public void addNotificationListeners(Component c) {
101 AXTextChangeNotifier listener = new AXTextChangeNotifier();
102 if (c instanceof Accessible) {
103 AccessibilityEventMonitor.addPropertyChangeListener(listener, (Accessible)c);
104 }
105 if (c instanceof JProgressBar) {
106 JProgressBar pb = (JProgressBar) c;
107 pb.addChangeListener(new AXProgressChangeNotifier());
108 } else if (c instanceof JSlider) {
109 JSlider slider = (JSlider) c;
110 slider.addChangeListener(new AXProgressChangeNotifier());
111 }
112 }
113
114
115 private class AXTextChangeNotifier implements PropertyChangeListener {
116
117 @Override
118 public void propertyChange(PropertyChangeEvent e) {
119 String name = e.getPropertyName();
120 if ( ptr != 0 ) {
121 if (name.compareTo(AccessibleContext.ACCESSIBLE_CARET_PROPERTY) == 0) {
122 selectionChanged(ptr);
123 } else if (name.compareTo(AccessibleContext.ACCESSIBLE_TEXT_PROPERTY) == 0 ) {
124 valueChanged(ptr);
125 }
126 }
127 }
128 }
129
130 private class AXProgressChangeNotifier implements ChangeListener {
131 @Override
132 public void stateChanged(ChangeEvent e) {
133 if (ptr != 0) valueChanged(ptr);
134 }
135 }
136
137 static Accessible getSwingAccessible(final Accessible a) {
138 return (a instanceof CAccessible) ? ((CAccessible)a).accessible : a;
139 }
140 }
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