# Cppcheck report - LibreOffice: vcl/osx/a11yfocuslistener.cxx

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    /* -*- 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 <salhelper/refobj.hxx>

    #include "osx/a11yfocustracker.hxx"
    #include "osx/a11yfactory.h"

    #include "a11yfocuslistener.hxx"

    using namespace ::com::sun::star::accessibility;
    using namespace ::com::sun::star::uno;

    rtl::Reference< AquaA11yFocusListener > AquaA11yFocusListener::theListener;

    rtl::Reference< AquaA11yFocusListener > AquaA11yFocusListener::get()
    {
        if ( ! theListener.is() )
            theListener = new AquaA11yFocusListener();

        return theListener;
    }

    AquaA11yFocusListener::AquaA11yFocusListener() : m_focusedObject(nil)
    {
    }

    id AquaA11yFocusListener::getFocusedUIElement()<--- The function 'getFocusedUIElement' is never used.
    {
        if ( nil == m_focusedObject ) {
            Reference< XAccessible > xAccessible( AquaA11yFocusTracker::get().getFocusedObject() );
            try {
                if( xAccessible.is() ) {
                    Reference< XAccessibleContext > xContext(xAccessible->getAccessibleContext());
                    if( xContext.is() )
                        m_focusedObject = [ AquaA11yFactory wrapperForAccessibleContext: xContext ];
                }
            } catch(const RuntimeException &)  {
                // intentionally do nothing ..
            }
        }

        return m_focusedObject;
    }

    void SAL_CALL
    AquaA11yFocusListener::focusedObjectChanged(const Reference< XAccessible >& xAccessible)
    {
        if ( nil != m_focusedObject ) {
            [ m_focusedObject release ];
            m_focusedObject = nil;
        }

        try {
            if( xAccessible.is() ) {
                Reference< XAccessibleContext > xContext(xAccessible->getAccessibleContext());
                if( xContext.is() )
                {
                    m_focusedObject = [ AquaA11yFactory wrapperForAccessibleContext: xContext ];
                    NSAccessibilityPostNotification(m_focusedObject, NSAccessibilityFocusedUIElementChangedNotification);
                }
            }
        } catch(const RuntimeException &) {
            // intentionally do nothing ..
        }
    }

    /* vim:set shiftwidth=4 softtabstop=4 expandtab: */