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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 .
*/
#ifndef INCLUDED_VCL_INC_DNDEVENTDISPATCHER_HXX
#define INCLUDED_VCL_INC_DNDEVENTDISPATCHER_HXX
#include <com/sun/star/datatransfer/dnd/XDropTargetListener.hpp>
#include <com/sun/star/datatransfer/dnd/XDropTargetDragContext.hpp>
#include <com/sun/star/datatransfer/dnd/XDragGestureListener.hpp>
#include <cppuhelper/implbase.hxx>
#include <vcl/window.hxx>
#include <mutex>
class DNDEventDispatcher final : public ::cppu::WeakImplHelper<
css::datatransfer::dnd::XDropTargetListener,
css::datatransfer::dnd::XDropTargetDragContext,
css::datatransfer::dnd::XDragGestureListener >
{
VclPtr<vcl::Window> m_pTopWindow;
VclPtr<vcl::Window> m_pCurrentWindow;
void designate_currentwindow(vcl::Window *pWindow);
DECL_LINK(WindowEventListener, VclWindowEvent&, void);
std::recursive_mutex m_aMutex;
css::uno::Sequence< css::datatransfer::DataFlavor > m_aDataFlavorList;
vcl::Window* findTopLevelWindow(Point& location);
/*
* fire the events on the dnd listener container of the specified window
*/
/// @throws css::uno::RuntimeException
static sal_Int32 fireDragEnterEvent( vcl::Window *pWindow, const css::uno::Reference< css::datatransfer::dnd::XDropTargetDragContext >& xContext,
const sal_Int8 nDropAction, const Point& rLocation, const sal_Int8 nSourceAction,
const css::uno::Sequence< css::datatransfer::DataFlavor >& aFlavorList );
/// @throws css::uno::RuntimeException
static sal_Int32 fireDragOverEvent( vcl::Window *pWindow, const css::uno::Reference< css::datatransfer::dnd::XDropTargetDragContext >& xContext,
const sal_Int8 nDropAction, const Point& rLocation, const sal_Int8 nSourceAction );
/// @throws css::uno::RuntimeException
static sal_Int32 fireDragExitEvent( vcl::Window *pWindow );
/// @throws css::uno::RuntimeException
static sal_Int32 fireDropActionChangedEvent( vcl::Window *pWindow, const css::uno::Reference< css::datatransfer::dnd::XDropTargetDragContext >& xContext,
const sal_Int8 nDropAction, const Point& rLocation, const sal_Int8 nSourceAction );
/// @throws css::uno::RuntimeException
static sal_Int32 fireDropEvent( vcl::Window *pWindow, const css::uno::Reference< css::datatransfer::dnd::XDropTargetDropContext >& xContext,
const sal_Int8 nDropAction, const Point& rLocation, const sal_Int8 nSourceAction,
const css::uno::Reference< css::datatransfer::XTransferable >& xTransferable );
/// @throws css::uno::RuntimeException
static sal_Int32 fireDragGestureEvent( vcl::Window *pWindow, const css::uno::Reference< css::datatransfer::dnd::XDragSource >& xSource,
const css::uno::Any& event, const Point& rOrigin, const sal_Int8 nDragAction );
public:
DNDEventDispatcher( vcl::Window * pTopWindow );
virtual ~DNDEventDispatcher() override;
/*
* XDropTargetDragContext
*/
virtual void SAL_CALL acceptDrag( sal_Int8 dropAction ) override;
virtual void SAL_CALL rejectDrag() override;
/*
* XDropTargetListener
*/
virtual void SAL_CALL drop( const css::datatransfer::dnd::DropTargetDropEvent& dtde ) override;
virtual void SAL_CALL dragEnter( const css::datatransfer::dnd::DropTargetDragEnterEvent& dtdee ) override;
virtual void SAL_CALL dragExit( const css::datatransfer::dnd::DropTargetEvent& dte ) override;
virtual void SAL_CALL dragOver( const css::datatransfer::dnd::DropTargetDragEvent& dtde ) override;
virtual void SAL_CALL dropActionChanged( const css::datatransfer::dnd::DropTargetDragEvent& dtde ) override;
/*
* XDragGestureListener
*/
virtual void SAL_CALL dragGestureRecognized( const css::datatransfer::dnd::DragGestureEvent& dge ) override;
/*
* XEventListener
*/
virtual void SAL_CALL disposing( const css::lang::EventObject& eo ) override;
};
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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