1 files changed, 68 insertions, 0 deletions
diff --git a/vcl/unx/gtk3/a11y/atklistener.hxx b/vcl/unx/gtk3/a11y/atklistener.hxx
new file mode 100644
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+++ b/vcl/unx/gtk3/a11y/atklistener.hxx
@@ -0,0 +1,68 @@
+/* -*- 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 .
+ */
+
+#pragma once
+
+#include <com/sun/star/accessibility/XAccessibleEventListener.hpp>
+#include <cppuhelper/implbase.hxx>
+
+#include <vector>
+
+#include "atkwrapper.hxx"
+
+class AtkListener : public ::cppu::WeakImplHelper< css::accessibility::XAccessibleEventListener >
+{
+public:
+    explicit AtkListener(AtkObjectWrapper * pWrapper);
+
+    // XEventListener
+    virtual void SAL_CALL disposing( const css::lang::EventObject& Source ) override;
+
+    // XAccessibleEventListener
+    virtual void SAL_CALL notifyEvent( const css::accessibility::AccessibleEventObject& aEvent ) override;
+
+private:
+
+    AtkObjectWrapper *mpWrapper;
+    std::vector< css::uno::Reference< css::accessibility::XAccessible > >
+                      m_aChildList;
+
+    virtual ~AtkListener() override;
+
+    // Updates the child list held to provide the old IndexInParent on children_changed::remove
+    void updateChildList(
+        css::uno::Reference<css::accessibility::XAccessibleContext> const &
+            pContext);
+
+    // Process CHILD_EVENT notifications with a new child added
+    void handleChildAdded(
+        const css::uno::Reference< css::accessibility::XAccessibleContext >& rxParent,
+        const css::uno::Reference< css::accessibility::XAccessible>& rxChild);
+
+    // Process CHILD_EVENT notifications with a child removed
+    void handleChildRemoved(
+        const css::uno::Reference< css::accessibility::XAccessibleContext >& rxParent,
+        const css::uno::Reference< css::accessibility::XAccessible>& rxChild);
+
+    // Process INVALIDATE_ALL_CHILDREN notification
+    void handleInvalidateChildren(
+        const css::uno::Reference< css::accessibility::XAccessibleContext >& rxParent);
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */