# Cppcheck report - LibreOffice: dtrans/source/win32/dnd/sourcecontext.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 <com/sun/star/datatransfer/dnd/DNDConstants.hpp>

    #include "sourcecontext.hxx"

    using namespace com::sun::star::datatransfer::dnd;
    using namespace com::sun::star::datatransfer::dnd::DNDConstants;

    SourceContext::SourceContext( DragSource* pSource,
                                 const Reference<XDragSourceListener>& listener):
            WeakComponentImplHelper1<XDragSourceContext>(m_mutex),
            m_pDragSource( pSource),
            m_dragSource( static_cast<XDragSource*>( m_pDragSource) )
    {
    #if OSL_DEBUG_LEVEL > 1
        if( listener.is())
    #endif
        rBHelper.addListener( ::getCppuType( &listener ), listener );
    }

    SourceContext::~SourceContext()
    {
    }

    void SAL_CALL SourceContext::addDragSourceListener(<--- The function 'addDragSourceListener' is never used.
        const Reference<XDragSourceListener >& )
        throw( RuntimeException)
    {
    }

    void SAL_CALL SourceContext::removeDragSourceListener(<--- The function 'removeDragSourceListener' is never used.
         const Reference<XDragSourceListener >& )
        throw( RuntimeException)
    {
    }

    sal_Int32 SAL_CALL SourceContext::getCurrentCursor(  )
        throw( RuntimeException)
    {
        return 0;
    }

    void SAL_CALL SourceContext::setCursor( sal_Int32 /*cursorId*/ )
        throw( RuntimeException)
    {
    }

    void SAL_CALL SourceContext::setImage( sal_Int32 /*imageId*/ )
        throw( RuntimeException)
    {
    }

    void SAL_CALL SourceContext::transferablesFlavorsChanged(  )
        throw( RuntimeException)
    {
    }

    // non -interface functions
    // Fires XDragSourceListener::dragDropEnd events.
    void SourceContext::fire_dragDropEnd( sal_Bool success, sal_Int8 effect)
    {

        DragSourceDropEvent e;

        if( success == sal_True)
        {
            e.DropAction=  effect;
            e.DropSuccess= sal_True;
        }
        else
        {
            e.DropAction= ACTION_NONE;
            e.DropSuccess= sal_False;
        }
        e.DragSource= m_dragSource;
        e.DragSourceContext= static_cast<XDragSourceContext*>( this);
        e.Source= Reference<XInterface>( static_cast<XDragSourceContext*>( this), UNO_QUERY);

        OInterfaceContainerHelper* pContainer= rBHelper.getContainer(
            cppu::UnoType<XDragSourceListener>::get());

        if( pContainer)
        {
            OInterfaceIteratorHelper iter( *pContainer);
            while( iter.hasMoreElements())
            {
                Reference<XDragSourceListener> listener(
                    static_cast<XDragSourceListener*>( iter.next()));
                listener->dragDropEnd( e);
            }
        }
    }

    void SourceContext::fire_dropActionChanged( sal_Int8 dropAction, sal_Int8 userAction)
    {
        if( m_currentAction != dropAction)
        {
            m_currentAction= dropAction;
            DragSourceDragEvent e;
            e.DropAction= dropAction;
            e.UserAction= userAction;
            e.DragSource= m_dragSource;
            e.DragSourceContext= static_cast<XDragSourceContext*>( this);
            e.Source= Reference<XInterface>( static_cast<XDragSourceContext*>( this), UNO_QUERY);

            OInterfaceContainerHelper* pContainer= rBHelper.getContainer(
                cppu::UnoType<XDragSourceListener>::get());

            if( pContainer)
            {
                OInterfaceIteratorHelper iter( *pContainer);
                while( iter.hasMoreElements())
                {
                    Reference<XDragSourceListener> listener(
                        static_cast<XDragSourceListener*>( iter.next()));
                    listener->dropActionChanged( e);
                }
            }
        }
    }

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