/* -*- 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/datatransfer/dnd/XDragSourceContext.hpp>
#include <cppuhelper/compbase.hxx>
#include <cppuhelper/basemutex.hxx>

#include <win/dnd_source.hxx>

using namespace ::com::sun::star::datatransfer;
using namespace ::com::sun::star::datatransfer::dnd;
using namespace ::cppu;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::lang;

// This class fires events to XDragSourceListener implementations.
// Of that interface only dragDropEnd and dropActionChanged are called.
// The functions dragEnter, dragExit and dragOver are not supported
// currently.
// An instance of SourceContext only lives as long as the drag and drop
// operation lasts.
class SourceContext : public cppu::BaseMutex, public WeakComponentImplHelper<XDragSourceContext>
{
    DragSource* m_pDragSource;
    Reference<XDragSource> m_dragSource;
    // the action ( copy, move etc)
    sal_Int8 m_currentAction;

public:
    SourceContext(DragSource* pSource, const Reference<XDragSourceListener>& listener);
    ~SourceContext() override;
    SourceContext(const SourceContext&) = delete;
    SourceContext& operator=(const SourceContext&) = delete;

    /// @throws RuntimeException
    virtual void addDragSourceListener(const Reference<XDragSourceListener>& dsl);
    /// @throws RuntimeException
    virtual void removeDragSourceListener(const Reference<XDragSourceListener>& dsl);
    virtual sal_Int32 SAL_CALL getCurrentCursor() override;
    virtual void SAL_CALL setCursor(sal_Int32 cursorId) override;
    virtual void SAL_CALL setImage(sal_Int32 imageId) override;
    virtual void SAL_CALL transferablesFlavorsChanged() override;

    // non - interface functions
    void fire_dragDropEnd(bool success, sal_Int8 byte);
    void fire_dropActionChanged(sal_Int8 dropAction, sal_Int8 userAction);
};

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