Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 145 insertions, 0 deletions

diff --git a/vcl/osx/a11ylistener.cxx b/vcl/osx/a11ylistener.cxx
new file mode 100644
index 000000000..b49b45092
--- /dev/null
+++ b/vcl/osx/a11ylistener.cxx
@@ -0,0 +1,145 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * 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 .
+ */
+
+#include <osx/salinst.h>
+#include <osx/a11ylistener.hxx>
+#include <osx/a11yfactory.h>
+#include <osx/a11yfocustracker.hxx>
+#include <osx/a11ywrapper.h>
+
+#include "a11ytextwrapper.h"
+
+#include <com/sun/star/accessibility/AccessibleEventId.hpp>
+#include <com/sun/star/accessibility/AccessibleRole.hpp>
+#include <com/sun/star/accessibility/AccessibleTableModelChange.hpp>
+#include <com/sun/star/accessibility/AccessibleTableModelChangeType.hpp>
+
+using namespace ::com::sun::star::accessibility;
+using namespace ::com::sun::star::awt;
+using namespace ::com::sun::star::lang;
+using namespace ::com::sun::star::uno;
+
+static NSString * getTableNotification( const AccessibleEventObject& aEvent )
+{
+    AccessibleTableModelChange aChange;
+    NSString * notification = nil;
+
+    if( (aEvent.NewValue >>= aChange) &&
+        (aChange.Type == AccessibleTableModelChangeType::ROWS_INSERTED ||
+         aChange.Type == AccessibleTableModelChangeType::ROWS_REMOVED))
+    {
+        notification = NSAccessibilityRowCountChangedNotification;
+    }
+
+    return notification;
+}
+
+AquaA11yEventListener::AquaA11yEventListener(id wrapperObject, sal_Int16 role) : m_wrapperObject(wrapperObject), m_role(role)
+{
+    [ m_wrapperObject retain ];
+}
+
+AquaA11yEventListener::~AquaA11yEventListener()
+{
+    [ m_wrapperObject release ];
+}
+
+void SAL_CALL
+AquaA11yEventListener::disposing( const EventObject& )
+{
+    [ AquaA11yFactory removeFromWrapperRepositoryFor: [ static_cast<AquaA11yWrapper *>(m_wrapperObject) accessibleContext ] ];
+}
+
+void SAL_CALL
+AquaA11yEventListener::notifyEvent( const AccessibleEventObject& aEvent )
+{
+    NSString * notification = nil;
+    id element = m_wrapperObject;
+    ::css::awt::Rectangle bounds;
+
+    // TODO: NSAccessibilityValueChanged, NSAccessibilitySelectedRowsChangedNotification
+    switch( aEvent.EventId )
+    {
+        case AccessibleEventId::ACTIVE_DESCENDANT_CHANGED:
+            if( m_role != AccessibleRole::LIST ) {
+                Reference< XAccessible > xAccessible;
+                if( aEvent.NewValue >>= xAccessible )
+                    TheAquaA11yFocusTracker().setFocusedObject( xAccessible );
+            }
+            break;
+
+        case AccessibleEventId::NAME_CHANGED:
+            notification = NSAccessibilityTitleChangedNotification;
+            break;
+
+        case AccessibleEventId::CHILD:
+            // only needed for tooltips (says Apple)
+            if ( m_role == AccessibleRole::TOOL_TIP ) {
+                if(aEvent.NewValue.hasValue()) {
+                    notification = NSAccessibilityCreatedNotification;
+                } else if(aEvent.OldValue.hasValue()) {
+                    notification = NSAccessibilityUIElementDestroyedNotification;
+                }
+            }
+            break;
+
+        case AccessibleEventId::INVALIDATE_ALL_CHILDREN:
+            // TODO: deprecate or remember all children
+            break;
+
+        case AccessibleEventId::BOUNDRECT_CHANGED:
+            bounds = [ element accessibleComponent ] -> getBounds();
+            if ( m_oldBounds.X != 0 && ( bounds.X != m_oldBounds.X || bounds.Y != m_oldBounds.Y ) ) {
+                NSAccessibilityPostNotification(element, NSAccessibilityMovedNotification); // post directly since both cases can happen simultaneously
+            }
+            if ( m_oldBounds.X != 0 && ( bounds.Width != m_oldBounds.Width || bounds.Height != m_oldBounds.Height ) ) {
+                NSAccessibilityPostNotification(element, NSAccessibilityResizedNotification); // post directly since both cases can happen simultaneously
+            }
+            m_oldBounds = bounds;
+            break;
+
+        case AccessibleEventId::SELECTION_CHANGED:
+            notification = NSAccessibilitySelectedChildrenChangedNotification;
+            break;
+
+        case AccessibleEventId::TEXT_SELECTION_CHANGED:
+            notification = NSAccessibilitySelectedTextChangedNotification;
+            break;
+
+        case AccessibleEventId::TABLE_MODEL_CHANGED:
+            notification = getTableNotification(aEvent);
+            break;
+
+        case AccessibleEventId::CARET_CHANGED:
+            notification = NSAccessibilitySelectedTextChangedNotification;
+            break;
+
+        case AccessibleEventId::TEXT_CHANGED:
+            notification = NSAccessibilityValueChangedNotification;
+            break;
+
+        default:
+            break;
+    }
+
+    if( nil != notification )
+        NSAccessibilityPostNotification(element, notification);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */