qt5 a11y: Add event notifications

Change-Id: Idb2fb2f880b4e848adc213a4e2cea33c5eb56f05
Reviewed-on: https://gerrit.libreoffice.org/61424
Tested-by: Jenkins
Reviewed-by: Samuel Mehrbrodt <Samuel.Mehrbrodt@cib.de>

1 files changed, 173 insertions, 0 deletions

diff --git a/vcl/qt5/Qt5AccessibleEventListener.cxx b/vcl/qt5/Qt5AccessibleEventListener.cxx
new file mode 100644
index 000000000000..48a9442b60ce
--- /dev/null
+++ b/vcl/qt5/Qt5AccessibleEventListener.cxx
@@ -0,0 +1,173 @@
+/* -*- 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 <Qt5AccessibleEventListener.hxx>
+
+#include <sal/log.hxx>
+
+#include <com/sun/star/accessibility/AccessibleEventId.hpp>
+
+#include <QtGui/QAccessible>
+
+using namespace css;
+using namespace css::accessibility;
+using namespace css::lang;
+using namespace css::uno;
+
+Qt5AccessibleEventListener::Qt5AccessibleEventListener(const Reference<XAccessible> xAccessible,
+                                                       Qt5AccessibleWidget* pAccessibleWidget)
+    : m_xAccessible(xAccessible)
+    , m_pAccessibleWidget(pAccessibleWidget)
+{
+}
+
+void Qt5AccessibleEventListener::notifyEvent(
+    const css::accessibility::AccessibleEventObject& aEvent)
+{
+    QAccessibleInterface* pQAccessibleInterface
+        = static_cast<QAccessibleInterface*>(m_pAccessibleWidget);
+
+    Reference<XAccessible> xChild;
+    switch (aEvent.EventId)
+    {
+        case AccessibleEventId::NAME_CHANGED:
+            QAccessible::updateAccessibility(
+                new QAccessibleEvent(pQAccessibleInterface, QAccessible::NameChanged));
+            return;
+        case AccessibleEventId::DESCRIPTION_CHANGED:
+            QAccessible::updateAccessibility(
+                new QAccessibleEvent(pQAccessibleInterface, QAccessible::DescriptionChanged));
+            return;
+        case AccessibleEventId::ACTION_CHANGED:
+            QAccessible::updateAccessibility(
+                new QAccessibleEvent(pQAccessibleInterface, QAccessible::ActionChanged));
+            return;
+        case AccessibleEventId::ACTIVE_DESCENDANT_CHANGED:
+            QAccessible::updateAccessibility(
+                new QAccessibleEvent(pQAccessibleInterface, QAccessible::ActiveDescendantChanged));
+            return;
+        case AccessibleEventId::CHILD:
+            QAccessible::Event event;
+            if (aEvent.OldValue >>= xChild)
+                event = QAccessible::ObjectDestroyed;
+            if (aEvent.NewValue >>= xChild)
+                event = QAccessible::ObjectCreated;
+            if (event)
+                QAccessible::updateAccessibility(
+                    new QAccessibleEvent(pQAccessibleInterface, event));
+            return;
+        case AccessibleEventId::SELECTION_CHANGED:
+            QAccessible::updateAccessibility(
+                new QAccessibleEvent(pQAccessibleInterface, QAccessible::Selection));
+            return;
+        case AccessibleEventId::VISIBLE_DATA_CHANGED:
+            QAccessible::updateAccessibility(
+                new QAccessibleEvent(pQAccessibleInterface, QAccessible::VisibleDataChanged));
+            return;
+        case AccessibleEventId::TEXT_SELECTION_CHANGED:
+            QAccessible::updateAccessibility(
+                new QAccessibleEvent(pQAccessibleInterface, QAccessible::Selection));
+            return;
+        case AccessibleEventId::TEXT_ATTRIBUTE_CHANGED:
+            QAccessible::updateAccessibility(
+                new QAccessibleEvent(pQAccessibleInterface, QAccessible::AttributeChanged));
+            return;
+        case AccessibleEventId::TABLE_CAPTION_CHANGED:
+            QAccessible::updateAccessibility(
+                new QAccessibleEvent(pQAccessibleInterface, QAccessible::TableCaptionChanged));
+            return;
+        case AccessibleEventId::TABLE_COLUMN_DESCRIPTION_CHANGED:
+            QAccessible::updateAccessibility(new QAccessibleEvent(
+                pQAccessibleInterface, QAccessible::TableColumnDescriptionChanged));
+            return;
+        case AccessibleEventId::TABLE_COLUMN_HEADER_CHANGED:
+            QAccessible::updateAccessibility(
+                new QAccessibleEvent(pQAccessibleInterface, QAccessible::TableColumnHeaderChanged));
+            return;
+        case AccessibleEventId::TABLE_ROW_DESCRIPTION_CHANGED:
+            QAccessible::updateAccessibility(new QAccessibleEvent(
+                pQAccessibleInterface, QAccessible::TableRowDescriptionChanged));
+            return;
+        case AccessibleEventId::TABLE_ROW_HEADER_CHANGED:
+            QAccessible::updateAccessibility(
+                new QAccessibleEvent(pQAccessibleInterface, QAccessible::TableRowHeaderChanged));
+            return;
+        case AccessibleEventId::TABLE_SUMMARY_CHANGED:
+            QAccessible::updateAccessibility(
+                new QAccessibleEvent(pQAccessibleInterface, QAccessible::TableSummaryChanged));
+            return;
+        case AccessibleEventId::SELECTION_CHANGED_ADD:
+            QAccessible::updateAccessibility(
+                new QAccessibleEvent(pQAccessibleInterface, QAccessible::SelectionAdd));
+            return;
+        case AccessibleEventId::SELECTION_CHANGED_REMOVE:
+            QAccessible::updateAccessibility(
+                new QAccessibleEvent(pQAccessibleInterface, QAccessible::SelectionRemove));
+            return;
+        case AccessibleEventId::SELECTION_CHANGED_WITHIN:
+            QAccessible::updateAccessibility(
+                new QAccessibleEvent(pQAccessibleInterface, QAccessible::SelectionWithin));
+            return;
+        case AccessibleEventId::PAGE_CHANGED:
+            QAccessible::updateAccessibility(
+                new QAccessibleEvent(pQAccessibleInterface, QAccessible::PageChanged));
+            return;
+        case AccessibleEventId::SECTION_CHANGED:
+            QAccessible::updateAccessibility(
+                new QAccessibleEvent(pQAccessibleInterface, QAccessible::SectionChanged));
+            return;
+        case AccessibleEventId::COLUMN_CHANGED:
+            QAccessible::updateAccessibility(
+                new QAccessibleEvent(pQAccessibleInterface, QAccessible::TextColumnChanged));
+            return;
+        case AccessibleEventId::BOUNDRECT_CHANGED:
+            QAccessible::updateAccessibility(
+                new QAccessibleEvent(pQAccessibleInterface, QAccessible::LocationChanged));
+            return;
+        case AccessibleEventId::STATE_CHANGED:
+            QAccessible::updateAccessibility(
+                new QAccessibleEvent(pQAccessibleInterface, QAccessible::ForegroundChanged));
+            return;
+        case AccessibleEventId::ROLE_CHANGED:
+        case AccessibleEventId::INVALIDATE_ALL_CHILDREN:
+        case AccessibleEventId::VALUE_CHANGED:
+        case AccessibleEventId::CONTENT_FLOWS_FROM_RELATION_CHANGED:
+        case AccessibleEventId::CONTENT_FLOWS_TO_RELATION_CHANGED:
+        case AccessibleEventId::CONTROLLED_BY_RELATION_CHANGED:
+        case AccessibleEventId::CONTROLLER_FOR_RELATION_CHANGED:
+        case AccessibleEventId::LABEL_FOR_RELATION_CHANGED:
+        case AccessibleEventId::LABELED_BY_RELATION_CHANGED:
+        case AccessibleEventId::MEMBER_OF_RELATION_CHANGED:
+        case AccessibleEventId::SUB_WINDOW_OF_RELATION_CHANGED:
+        case AccessibleEventId::CARET_CHANGED:
+        case AccessibleEventId::TEXT_CHANGED:
+        case AccessibleEventId::HYPERTEXT_CHANGED:
+        case AccessibleEventId::TABLE_MODEL_CHANGED:
+        case AccessibleEventId::LISTBOX_ENTRY_EXPANDED:
+        case AccessibleEventId::LISTBOX_ENTRY_COLLAPSED:
+        case AccessibleEventId::ACTIVE_DESCENDANT_CHANGED_NOFOCUS:
+        default:
+            SAL_WARN("vcl.qt5", "Unmapped AccessibleEventId: " << aEvent.EventId);
+            return;
+    }
+}
+
+void Qt5AccessibleEventListener::disposing(const EventObject& /* Source */) {}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */