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
32 import javax.accessibility.Accessible;
33 import javax.accessibility.AccessibleContext;
34 import javax.swing.JProgressBar;
35 import javax.swing.JSlider;
36 import javax.swing.event.ChangeEvent;
37 import javax.swing.event.ChangeListener;
38
39 import static javax.accessibility.AccessibleContext.ACCESSIBLE_ACTIVE_DESCENDANT_PROPERTY;
40 import static javax.accessibility.AccessibleContext.ACCESSIBLE_CARET_PROPERTY;
41 import static javax.accessibility.AccessibleContext.ACCESSIBLE_SELECTION_PROPERTY;
42 import static javax.accessibility.AccessibleContext.ACCESSIBLE_TEXT_PROPERTY;
43 import sun.awt.AWTAccessor;
44
45
46 class CAccessible extends CFRetainedResource implements Accessible {
47
48 public static CAccessible getCAccessible(final Accessible a) {
49 if (a == null) return null;
50 AccessibleContext context = a.getAccessibleContext();
51 AWTAccessor.AccessibleContextAccessor accessor
52 = AWTAccessor.getAccessibleContextAccessor();
53 final CAccessible cachedCAX = (CAccessible) accessor.getNativeAXResource(context);
54 if (cachedCAX != null) {
55 return cachedCAX;
56 }
57 final CAccessible newCAX = new CAccessible(a);
58 accessor.setNativeAXResource(context, newCAX);
59 return newCAX;
60 }
61
62 private static native void unregisterFromCocoaAXSystem(long ptr);
63 private static native void valueChanged(long ptr);
64 private static native void selectedTextChanged(long ptr);
65 private static native void selectionChanged(long ptr);
66
67 private Accessible accessible;
68
69 private AccessibleContext activeDescendant;
70
71 private CAccessible(final Accessible accessible) {
72 super(0L, true); // real pointer will be poked in by native
73
74 if (accessible == null) throw new NullPointerException();
75 this.accessible = accessible;
76
77 if (accessible instanceof Component) {
78 addNotificationListeners((Component)accessible);
79 }
80 }
81
82 @Override
83 protected synchronized void dispose() {
84 if (ptr != 0) unregisterFromCocoaAXSystem(ptr);
85 super.dispose();
94 if (c instanceof Accessible) {
95 AccessibleContext ac = ((Accessible)c).getAccessibleContext();
96 ac.addPropertyChangeListener(new AXChangeNotifier());
97 }
98 if (c instanceof JProgressBar) {
99 JProgressBar pb = (JProgressBar) c;
100 pb.addChangeListener(new AXProgressChangeNotifier());
101 } else if (c instanceof JSlider) {
102 JSlider slider = (JSlider) c;
103 slider.addChangeListener(new AXProgressChangeNotifier());
104 }
105 }
106
107
108 private class AXChangeNotifier implements PropertyChangeListener {
109
110 @Override
111 public void propertyChange(PropertyChangeEvent e) {
112 String name = e.getPropertyName();
113 if ( ptr != 0 ) {
114 if (name.compareTo(ACCESSIBLE_CARET_PROPERTY) == 0) {
115 selectedTextChanged(ptr);
116 } else if (name.compareTo(ACCESSIBLE_TEXT_PROPERTY) == 0 ) {
117 valueChanged(ptr);
118 } else if (name.compareTo(ACCESSIBLE_SELECTION_PROPERTY) == 0 ) {
119 selectionChanged(ptr);
120 } else if (name.compareTo(ACCESSIBLE_ACTIVE_DESCENDANT_PROPERTY) == 0 ) {
121 Object nv = e.getNewValue();
122 if (nv instanceof AccessibleContext) {
123 activeDescendant = (AccessibleContext)nv;
124 }
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
141 static AccessibleContext getActiveDescendant(final Accessible a) {
142 return (a instanceof CAccessible) ? ((CAccessible)a).activeDescendant : null;
143 }
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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
32 import javax.accessibility.Accessible;
33 import javax.accessibility.AccessibleContext;
34 import javax.swing.JProgressBar;
35 import javax.swing.JSlider;
36 import javax.swing.event.ChangeEvent;
37 import javax.swing.event.ChangeListener;
38
39 import static javax.accessibility.AccessibleContext.ACCESSIBLE_ACTIVE_DESCENDANT_PROPERTY;
40 import static javax.accessibility.AccessibleContext.ACCESSIBLE_CARET_PROPERTY;
41 import static javax.accessibility.AccessibleContext.ACCESSIBLE_SELECTION_PROPERTY;
42 import static javax.accessibility.AccessibleContext.ACCESSIBLE_STATE_PROPERTY;
43 import static javax.accessibility.AccessibleContext.ACCESSIBLE_TEXT_PROPERTY;
44 import javax.accessibility.AccessibleRole;
45 import javax.accessibility.AccessibleState;
46 import sun.awt.AWTAccessor;
47
48
49 class CAccessible extends CFRetainedResource implements Accessible {
50
51 public static CAccessible getCAccessible(final Accessible a) {
52 if (a == null) return null;
53 AccessibleContext context = a.getAccessibleContext();
54 AWTAccessor.AccessibleContextAccessor accessor
55 = AWTAccessor.getAccessibleContextAccessor();
56 final CAccessible cachedCAX = (CAccessible) accessor.getNativeAXResource(context);
57 if (cachedCAX != null) {
58 return cachedCAX;
59 }
60 final CAccessible newCAX = new CAccessible(a);
61 accessor.setNativeAXResource(context, newCAX);
62 return newCAX;
63 }
64
65 private static native void unregisterFromCocoaAXSystem(long ptr);
66 private static native void valueChanged(long ptr);
67 private static native void selectedTextChanged(long ptr);
68 private static native void selectionChanged(long ptr);
69 private static native void menuOpened(long ptr);
70 private static native void menuClosed(long ptr);
71 private static native void menuItemSelected(long ptr);
72
73 private Accessible accessible;
74
75 private AccessibleContext activeDescendant;
76
77 private CAccessible(final Accessible accessible) {
78 super(0L, true); // real pointer will be poked in by native
79
80 if (accessible == null) throw new NullPointerException();
81 this.accessible = accessible;
82
83 if (accessible instanceof Component) {
84 addNotificationListeners((Component)accessible);
85 }
86 }
87
88 @Override
89 protected synchronized void dispose() {
90 if (ptr != 0) unregisterFromCocoaAXSystem(ptr);
91 super.dispose();
100 if (c instanceof Accessible) {
101 AccessibleContext ac = ((Accessible)c).getAccessibleContext();
102 ac.addPropertyChangeListener(new AXChangeNotifier());
103 }
104 if (c instanceof JProgressBar) {
105 JProgressBar pb = (JProgressBar) c;
106 pb.addChangeListener(new AXProgressChangeNotifier());
107 } else if (c instanceof JSlider) {
108 JSlider slider = (JSlider) c;
109 slider.addChangeListener(new AXProgressChangeNotifier());
110 }
111 }
112
113
114 private class AXChangeNotifier implements PropertyChangeListener {
115
116 @Override
117 public void propertyChange(PropertyChangeEvent e) {
118 String name = e.getPropertyName();
119 if ( ptr != 0 ) {
120 Object newValue = e.getNewValue();
121 Object oldValue = e.getOldValue();
122 if (name.compareTo(ACCESSIBLE_CARET_PROPERTY) == 0) {
123 selectedTextChanged(ptr);
124 } else if (name.compareTo(ACCESSIBLE_TEXT_PROPERTY) == 0 ) {
125 valueChanged(ptr);
126 } else if (name.compareTo(ACCESSIBLE_SELECTION_PROPERTY) == 0 ) {
127 selectionChanged(ptr);
128 } else if (name.compareTo(ACCESSIBLE_ACTIVE_DESCENDANT_PROPERTY) == 0 ) {
129 if (newValue instanceof AccessibleContext) {
130 activeDescendant = (AccessibleContext)newValue;
131 }
132 } else if (name.compareTo(ACCESSIBLE_STATE_PROPERTY) == 0) {
133 AccessibleContext thisAC = accessible.getAccessibleContext();
134 AccessibleRole thisRole = thisAC.getAccessibleRole();
135 Accessible parentAccessible = thisAC.getAccessibleParent();
136 AccessibleRole parentRole = null;
137 if (parentAccessible != null) {
138 parentRole = parentAccessible.getAccessibleContext().getAccessibleRole();
139 }
140 // At least for now don't handle combo box menu state changes.
141 // This may change when later fixing issues which currently
142 // exist for combo boxes, but for now the following is only
143 // for JPopupMenus, not for combobox menus.
144 if (parentRole != AccessibleRole.COMBO_BOX) {
145 if (thisRole == AccessibleRole.POPUP_MENU) {
146 if ( newValue != null &&
147 ((AccessibleState)newValue) == AccessibleState.VISIBLE ) {
148 menuOpened(ptr);
149 } else if ( oldValue != null &&
150 ((AccessibleState)oldValue) == AccessibleState.VISIBLE ) {
151 menuClosed(ptr);
152 }
153 } else if (thisRole == AccessibleRole.MENU_ITEM) {
154 if ( newValue != null &&
155 ((AccessibleState)newValue) == AccessibleState.FOCUSED ) {
156 menuItemSelected(ptr);
157 }
158 }
159 }
160 }
161 }
162 }
163 }
164
165 private class AXProgressChangeNotifier implements ChangeListener {
166 @Override
167 public void stateChanged(ChangeEvent e) {
168 if (ptr != 0) valueChanged(ptr);
169 }
170 }
171
172 static Accessible getSwingAccessible(final Accessible a) {
173 return (a instanceof CAccessible) ? ((CAccessible)a).accessible : a;
174 }
175
176 static AccessibleContext getActiveDescendant(final Accessible a) {
177 return (a instanceof CAccessible) ? ((CAccessible)a).activeDescendant : null;
178 }
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