/* -*- 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 <vcl/dndhelp.hxx>

#include <vcl/svapp.hxx>

#include <dndhelper.hxx>

#include <cppuhelper/queryinterface.hxx>

#include <com/sun/star/lang/XInitialization.hpp>

using namespace ::com::sun::star;

vcl::unohelper::DragAndDropClient::~DragAndDropClient() {}

void vcl::unohelper::DragAndDropClient::dragGestureRecognized( const css::datatransfer::dnd::DragGestureEvent& /*dge*/ )

{

}

void vcl::unohelper::DragAndDropClient::dragDropEnd( const css::datatransfer::dnd::DragSourceDropEvent& /*dsde*/ )

{

}

void vcl::unohelper::DragAndDropClient::drop( const css::datatransfer::dnd::DropTargetDropEvent& /*dtde*/ )

{

}

void vcl::unohelper::DragAndDropClient::dragEnter( const css::datatransfer::dnd::DropTargetDragEnterEvent& /*dtdee*/ )

{

}

void vcl::unohelper::DragAndDropClient::dragExit( const css::datatransfer::dnd::DropTargetEvent& /*dte*/ )

{

}

void vcl::unohelper::DragAndDropClient::dragOver( const css::datatransfer::dnd::DropTargetDragEvent& /*dtde*/ )

{

}

vcl::unohelper::DragAndDropWrapper::DragAndDropWrapper( DragAndDropClient* pClient )

{

    mpClient = pClient;

}

vcl::unohelper::DragAndDropWrapper::~DragAndDropWrapper()

{

}

// uno::XInterface

uno::Any vcl::unohelper::DragAndDropWrapper::queryInterface( const uno::Type & rType )

{

    uno::Any aRet = ::cppu::queryInterface( rType,

                            static_cast< css::lang::XEventListener* >( static_cast<css::datatransfer::dnd::XDragGestureListener*>(this) ),

                            static_cast< css::datatransfer::dnd::XDragGestureListener* >(this),

                            static_cast< css::datatransfer::dnd::XDragSourceListener* >(this),

                            static_cast< css::datatransfer::dnd::XDropTargetListener* >(this) );

    return (aRet.hasValue() ? aRet : OWeakObject::queryInterface( rType ));

}

// css::lang::XEventListener

void vcl::unohelper::DragAndDropWrapper::disposing( const css::lang::EventObject& rEvent )

{

    // Empty Source means it's the client, because the client is not a XInterface

    if ( !rEvent.Source.is() )

        mpClient = nullptr;

}

// css::datatransfer::dnd::XDragGestureListener

void vcl::unohelper::DragAndDropWrapper::dragGestureRecognized( const css::datatransfer::dnd::DragGestureEvent& rDGE )

{

    if ( mpClient )

        mpClient->dragGestureRecognized( rDGE );

}

// css::datatransfer::dnd::XDragSourceListener

void vcl::unohelper::DragAndDropWrapper::dragDropEnd( const css::datatransfer::dnd::DragSourceDropEvent& rDSDE )

{

    if ( mpClient )

        mpClient->dragDropEnd( rDSDE );

}

void vcl::unohelper::DragAndDropWrapper::dragEnter( const css::datatransfer::dnd::DragSourceDragEvent& )

{

}

void vcl::unohelper::DragAndDropWrapper::dragExit( const css::datatransfer::dnd::DragSourceEvent& )

{

}

void vcl::unohelper::DragAndDropWrapper::dragOver( const css::datatransfer::dnd::DragSourceDragEvent& )

{

}

void vcl::unohelper::DragAndDropWrapper::dropActionChanged( const css::datatransfer::dnd::DragSourceDragEvent& )

{

}

// css::datatransfer::dnd::XDropTargetListener

void vcl::unohelper::DragAndDropWrapper::drop( const css::datatransfer::dnd::DropTargetDropEvent& rDTDE )

{

    if ( mpClient )

        mpClient->drop( rDTDE );

}

void vcl::unohelper::DragAndDropWrapper::dragEnter( const css::datatransfer::dnd::DropTargetDragEnterEvent& rDTDEE )

{

    if ( mpClient )

        mpClient->dragEnter( rDTDEE );

}

void vcl::unohelper::DragAndDropWrapper::dragExit( const css::datatransfer::dnd::DropTargetEvent& dte )

{

    if ( mpClient )

        mpClient->dragExit( dte );

}

void vcl::unohelper::DragAndDropWrapper::dragOver( const css::datatransfer::dnd::DropTargetDragEvent& rDTDE )

{

    if ( mpClient )

        mpClient->dragOver( rDTDE );

}

void vcl::unohelper::DragAndDropWrapper::dropActionChanged( const css::datatransfer::dnd::DropTargetDragEvent& )

{

}

void

vcl::OleDnDHelper(const css::uno::Reference<css::lang::XInitialization>& xDnD, const sal_IntPtr pWin, DragOrDrop eDoD)

{

    if (pWin && xDnD)

    {

        if (eDoD == vcl::DragOrDrop::Drag)

            xDnD->initialize({ uno::Any(), uno::Any(static_cast<sal_uInt64>(pWin)) });

        else

            xDnD->initialize({ uno::Any(static_cast<sal_uInt64>(pWin)), uno::Any() });

    }

}

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