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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 .
*/
#pragma once
#include <com/sun/star/datatransfer/dnd/XDragSource.hpp>
#include <com/sun/star/datatransfer/dnd/XDragSourceContext.hpp>
#include <com/sun/star/lang/XInitialization.hpp>
#include <osl/mutex.hxx>
#include <cppuhelper/basemutex.hxx>
#include <cppuhelper/compbase.hxx>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <oleidl.h>
#include <systools/win32/comtools.hxx>
namespace com::sun::star::uno { class XComponentContext; }
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::uno;
using namespace cppu;
using namespace osl;
using namespace ::com::sun::star::datatransfer;
using namespace ::com::sun::star::datatransfer::dnd;
class SourceContext;
// RIGHT MOUSE BUTTON drag and drop not supported currently.
// ALT modifier is considered to effect a user selection of effects
class DragSource:
public cppu::BaseMutex,
public WeakComponentImplHelper<XDragSource, XInitialization, XServiceInfo>,
public IDropSource
{
Reference<XComponentContext> m_xContext;
HWND m_hAppWindow;
// The mouse button that set off the drag and drop operation
short m_MouseButton;
// First starting a new drag and drop thread if
// the last one has finished
void StartDragImpl(
const DragGestureEvent& trigger,
sal_Int8 sourceActions,
sal_Int32 cursor,
sal_Int32 image,
const Reference<XTransferable >& trans,
const Reference<XDragSourceListener >& listener);
public:
LONG m_RunningDndOperationCount;
public:
// only valid for one dnd operation
// the thread ID of the thread which created the window
DWORD m_threadIdWindow;
// The context notifies the XDragSourceListener s
Reference<XDragSourceContext> m_currentContext;
// the wrapper for the Transferable ( startDrag)
IDataObjectPtr m_spDataObject;
sal_Int8 m_sourceActions;
public:
explicit DragSource(const Reference<XComponentContext>& rxContext);
virtual ~DragSource() override;
DragSource(const DragSource&) = delete;
DragSource &operator= ( const DragSource&) = delete;
// XInitialization
virtual void SAL_CALL initialize( const Sequence< Any >& aArguments ) override;
// XDragSource
virtual sal_Bool SAL_CALL isDragImageSupported( ) override;
virtual sal_Int32 SAL_CALL getDefaultCursor( sal_Int8 dragAction ) override;
virtual void SAL_CALL startDrag( const DragGestureEvent& trigger,
sal_Int8 sourceActions,
sal_Int32 cursor,
sal_Int32 image,
const Reference<XTransferable >& trans,
const Reference<XDragSourceListener >& listener ) override;
// XServiceInfo
virtual OUString SAL_CALL getImplementationName( ) override;
virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
virtual Sequence< OUString > SAL_CALL getSupportedServiceNames( ) override;
virtual HRESULT STDMETHODCALLTYPE QueryInterface(
/* [in] */ REFIID riid,
/* [iid_is][out] */ void __RPC_FAR *__RPC_FAR *ppvObject) override;
virtual ULONG STDMETHODCALLTYPE AddRef( ) override;
virtual ULONG STDMETHODCALLTYPE Release( ) override;
// IDropSource
virtual HRESULT STDMETHODCALLTYPE QueryContinueDrag(
/* [in] */ BOOL fEscapePressed,
/* [in] */ DWORD grfKeyState) override;
virtual HRESULT STDMETHODCALLTYPE GiveFeedback(
/* [in] */ DWORD dwEffect) override;
};
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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