1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
3 * This file is part of the LibreOffice project.
4 *
5 * This Source Code Form is subject to the terms of the Mozilla Public
6 * License, v. 2.0. If a copy of the MPL was not distributed with this
7 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 *
9 * This file incorporates work covered by the following license notice:
10 *
11 * Licensed to the Apache Software Foundation (ASF) under one or more
12 * contributor license agreements. See the NOTICE file distributed
13 * with this work for additional information regarding copyright
14 * ownership. The ASF licenses this file to you under the Apache
15 * License, Version 2.0 (the "License"); you may not use this file
16 * except in compliance with the License. You may obtain a copy of
17 * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 */
19
20 #include <osx/salinst.h>
21 #include <osx/a11ylistener.hxx>
22 #include <osx/a11yfactory.h>
23 #include <osx/a11yfocustracker.hxx>
24 #include <osx/a11ywrapper.h>
25
26 #include "a11ytextwrapper.h"
27
28 #include <com/sun/star/accessibility/AccessibleEventId.hpp>
29 #include <com/sun/star/accessibility/AccessibleRole.hpp>
30 #include <com/sun/star/accessibility/AccessibleTableModelChange.hpp>
31 #include <com/sun/star/accessibility/AccessibleTableModelChangeType.hpp>
32
33 using namespace ::com::sun::star::accessibility;
34 using namespace ::com::sun::star::awt;
35 using namespace ::com::sun::star::lang;
36 using namespace ::com::sun::star::uno;
37
getTableNotification(const AccessibleEventObject & aEvent)38 static NSString * getTableNotification( const AccessibleEventObject& aEvent )
39 {
40 AccessibleTableModelChange aChange;
41 NSString * notification = nil;
42
43 if( (aEvent.NewValue >>= aChange) &&
44 ( AccessibleTableModelChangeType::INSERT == aChange.Type || AccessibleTableModelChangeType::DELETE == aChange.Type ) &&
45 aChange.FirstRow != aChange.LastRow )
46 {
47 notification = NSAccessibilityRowCountChangedNotification;
48 }
49
50 return notification;
51 }
52
AquaA11yEventListener(id wrapperObject,sal_Int16 role)53 AquaA11yEventListener::AquaA11yEventListener(id wrapperObject, sal_Int16 role) : m_wrapperObject(wrapperObject), m_role(role)
54 {
55 [ m_wrapperObject retain ];
56 }
57
~AquaA11yEventListener()58 AquaA11yEventListener::~AquaA11yEventListener()
59 {
60 [ m_wrapperObject release ];
61 }
62
63 void SAL_CALL
disposing(const EventObject &)64 AquaA11yEventListener::disposing( const EventObject& )
65 {
66 [ AquaA11yFactory removeFromWrapperRepositoryFor: [ static_cast<AquaA11yWrapper *>(m_wrapperObject) accessibleContext ] ];
67 }
68
69 void SAL_CALL
notifyEvent(const AccessibleEventObject & aEvent)70 AquaA11yEventListener::notifyEvent( const AccessibleEventObject& aEvent )
71 {
72 NSString * notification = nil;
73 id element = m_wrapperObject;
74 ::css::awt::Rectangle bounds;
75
76 // TODO: NSAccessibilityValueChanged, NSAccessibilitySelectedRowsChangedNotification
77 switch( aEvent.EventId )
78 {
79 case AccessibleEventId::ACTIVE_DESCENDANT_CHANGED:
80 if( m_role != AccessibleRole::LIST ) {
81 Reference< XAccessible > xAccessible;
82 if( aEvent.NewValue >>= xAccessible )
83 TheAquaA11yFocusTracker::get().setFocusedObject( xAccessible );
84 }
85 break;
86
87 case AccessibleEventId::NAME_CHANGED:
88 notification = NSAccessibilityTitleChangedNotification;
89 break;
90
91 case AccessibleEventId::CHILD:
92 // only needed for tooltips (says Apple)
93 if ( m_role == AccessibleRole::TOOL_TIP ) {
94 if(aEvent.NewValue.hasValue()) {
95 notification = NSAccessibilityCreatedNotification;
96 } else if(aEvent.OldValue.hasValue()) {
97 notification = NSAccessibilityUIElementDestroyedNotification;
98 }
99 }
100 break;
101
102 case AccessibleEventId::INVALIDATE_ALL_CHILDREN:
103 // TODO: deprecate or remember all children
104 break;
105
106 case AccessibleEventId::BOUNDRECT_CHANGED:
107 bounds = [ element accessibleComponent ] -> getBounds();
108 if ( m_oldBounds.X != 0 && ( bounds.X != m_oldBounds.X || bounds.Y != m_oldBounds.Y ) ) {
109 NSAccessibilityPostNotification(element, NSAccessibilityMovedNotification); // post directly since both cases can happen simultaneously
110 }
111 if ( m_oldBounds.X != 0 && ( bounds.Width != m_oldBounds.Width || bounds.Height != m_oldBounds.Height ) ) {
112 NSAccessibilityPostNotification(element, NSAccessibilityResizedNotification); // post directly since both cases can happen simultaneously
113 }
114 m_oldBounds = bounds;
115 break;
116
117 case AccessibleEventId::SELECTION_CHANGED:
118 notification = NSAccessibilitySelectedChildrenChangedNotification;
119 break;
120
121 case AccessibleEventId::TEXT_SELECTION_CHANGED:
122 notification = NSAccessibilitySelectedTextChangedNotification;
123 break;
124
125 case AccessibleEventId::TABLE_MODEL_CHANGED:
126 notification = getTableNotification(aEvent);
127 break;
128
129 case AccessibleEventId::CARET_CHANGED:
130 notification = NSAccessibilitySelectedTextChangedNotification;
131 break;
132
133 case AccessibleEventId::TEXT_CHANGED:
134 notification = NSAccessibilityValueChangedNotification;
135 break;
136
137 default:
138 break;
139 }
140
141 if( nil != notification )
142 NSAccessibilityPostNotification(element, notification);
143 }
144
145 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
146