/* -*- 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 "DragActionConversion.hxx"
#include <com/sun/star/datatransfer/dnd/DNDConstants.hpp>

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

/* Convert office drag actions as defined in
   <type>css::datatransfer::dnd::DNDConstants</type>
   into system conform drag actions.
 */
unsigned int OfficeToSystemDragActions(sal_Int8 dragActions)
{
    unsigned int actions = NSDragOperationNone;

    if (dragActions & DNDConstants::ACTION_COPY)
    {
        actions |= NSDragOperationCopy;
    }

    if (dragActions & DNDConstants::ACTION_MOVE)
    {
        actions |= NSDragOperationMove;
    }

    if (dragActions & DNDConstants::ACTION_LINK)
    {
        actions |= NSDragOperationLink;
    }

    return actions;
}

/* Convert system conform drag actions into office conform
   drag actions as defined in
   <type>css::datatransfer::dnd::DNDConstants</type>.
 */
sal_Int8 SystemToOfficeDragActions(unsigned int dragActions)
{
    sal_Int8 actions = DNDConstants::ACTION_NONE;

    if (dragActions & NSDragOperationCopy)
    {
        actions |= DNDConstants::ACTION_COPY;
    }

    if (dragActions & NSDragOperationMove)
    {
        actions |= DNDConstants::ACTION_MOVE;
    }

    if (dragActions & NSDragOperationLink)
    {
        actions |= DNDConstants::ACTION_LINK;
    }

    // We map NSDragOperationGeneric to ACTION_DEFAULT to
    // signal that we have to decide for a drag action
    if (dragActions & NSDragOperationGeneric)
    {
        actions |= DNDConstants::ACTION_DEFAULT;
    }

    return actions;
}

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