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2 *
3 * Licensed to the Apache Software Foundation (ASF) under one
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8 * "License"); you may not use this file except in compliance
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11 * http://www.apache.org/licenses/LICENSE-2.0
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21
22
23
24 #include "aqua/salinst.h"
25 #include "aqua/aqua11ylistener.hxx"
26 #include "aqua/aqua11yfactory.h"
27 #include "aqua/aqua11yfocustracker.hxx"
28 #include "aqua/aqua11ywrapper.h"
29
30 #include "aqua11ytextwrapper.h"
31
32 #include <com/sun/star/accessibility/AccessibleEventId.hpp>
33 #include <com/sun/star/accessibility/AccessibleRole.hpp>
34 #include <com/sun/star/accessibility/AccessibleTableModelChange.hpp>
35 #include <com/sun/star/accessibility/AccessibleTableModelChangeType.hpp>
36
37 using namespace ::com::sun::star::accessibility;
38 using namespace ::com::sun::star::awt;
39 using namespace ::com::sun::star::lang;
40 using namespace ::com::sun::star::uno;
41
getTableNotification(const AccessibleEventObject & aEvent)42 NSString * getTableNotification( const AccessibleEventObject& aEvent )
43 {
44 AccessibleTableModelChange aChange;
45 NSString * notification = nil;
46
47 if( (aEvent.NewValue >>= aChange) &&
48 ( AccessibleTableModelChangeType::INSERT == aChange.Type || AccessibleTableModelChangeType::DELETE == aChange.Type ) &&
49 aChange.FirstRow != aChange.LastRow )
50 {
51 notification = NSAccessibilityRowCountChangedNotification;
52 }
53
54 return notification;
55 }
56
57 //------------------------------------------------------------------------------
58
AquaA11yEventListener(id wrapperObject,sal_Int16 role)59 AquaA11yEventListener::AquaA11yEventListener(id wrapperObject, sal_Int16 role) : m_wrapperObject(wrapperObject), m_role(role)
60 {
61 [ m_wrapperObject retain ];
62 }
63
64 //------------------------------------------------------------------------------
65
~AquaA11yEventListener()66 AquaA11yEventListener::~AquaA11yEventListener()
67 {
68 [ m_wrapperObject release ];
69 }
70
71 //------------------------------------------------------------------------------
72
73 void SAL_CALL
disposing(const EventObject &)74 AquaA11yEventListener::disposing( const EventObject& ) throw( RuntimeException )
75 {
76 [ AquaA11yFactory removeFromWrapperRepositoryFor: [ (AquaA11yWrapper *) m_wrapperObject accessibleContext ] ];
77 }
78
79 //------------------------------------------------------------------------------
80
81 void SAL_CALL
notifyEvent(const AccessibleEventObject & aEvent)82 AquaA11yEventListener::notifyEvent( const AccessibleEventObject& aEvent ) throw( RuntimeException )
83 {
84 NSString * notification = nil;
85 id element = m_wrapperObject;
86 Rectangle bounds;
87
88 // TODO: NSAccessibilityValueChanged, NSAccessibilitySelectedRowsChangedNotification
89 switch( aEvent.EventId )
90 {
91 case AccessibleEventId::ACTIVE_DESCENDANT_CHANGED:
92 if( m_role != AccessibleRole::LIST ) {
93 Reference< XAccessible > xAccessible;
94 if( aEvent.NewValue >>= xAccessible )
95 AquaA11yFocusTracker::get().setFocusedObject( xAccessible );
96 }
97 break;
98
99 case AccessibleEventId::NAME_CHANGED:
100 notification = NSAccessibilityTitleChangedNotification;
101 break;
102
103 case AccessibleEventId::CHILD:
104 // only needed for tooltips (says Apple)
105 if ( m_role == AccessibleRole::TOOL_TIP ) {
106 if(aEvent.NewValue.hasValue()) {
107 notification = NSAccessibilityCreatedNotification;
108 } else if(aEvent.OldValue.hasValue()) {
109 notification = NSAccessibilityUIElementDestroyedNotification;
110 }
111 }
112 break;
113
114 case AccessibleEventId::INVALIDATE_ALL_CHILDREN:
115 // TODO: depricate or remember all children
116 break;
117
118 case AccessibleEventId::BOUNDRECT_CHANGED:
119 bounds = [ element accessibleComponent ] -> getBounds();
120 if ( m_oldBounds.X != 0 && ( bounds.X != m_oldBounds.X || bounds.Y != m_oldBounds.Y ) ) {
121 NSAccessibilityPostNotification(element, NSAccessibilityMovedNotification); // post directly since both cases can happen simultaneously
122 }
123 if ( m_oldBounds.X != 0 && ( bounds.Width != m_oldBounds.Width || bounds.Height != m_oldBounds.Height ) ) {
124 NSAccessibilityPostNotification(element, NSAccessibilityResizedNotification); // post directly since both cases can happen simultaneously
125 }
126 m_oldBounds = bounds;
127 break;
128
129 case AccessibleEventId::SELECTION_CHANGED:
130 notification = NSAccessibilitySelectedChildrenChangedNotification;
131 break;
132
133 case AccessibleEventId::TEXT_SELECTION_CHANGED:
134 notification = NSAccessibilitySelectedTextChangedNotification;
135 break;
136
137 case AccessibleEventId::TABLE_MODEL_CHANGED:
138 notification = getTableNotification(aEvent);
139 break;
140
141 case AccessibleEventId::CARET_CHANGED:
142 notification = NSAccessibilitySelectedTextChangedNotification;
143 break;
144
145 case AccessibleEventId::TEXT_CHANGED:
146 notification = NSAccessibilityValueChangedNotification;
147 break;
148
149 default:
150 break;
151 }
152
153 if( nil != notification )
154 NSAccessibilityPostNotification(element, notification);
155 }
156