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/* $Id: GuestDnDTargetImpl.h $ */
/** @file
* VBox Console COM Class implementation - Guest drag'n drop target.
*/
/*
* Copyright (C) 2014-2022 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* SPDX-License-Identifier: GPL-3.0-only
*/
#ifndef MAIN_INCLUDED_GuestDnDTargetImpl_h
#define MAIN_INCLUDED_GuestDnDTargetImpl_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
#include "GuestDnDTargetWrap.h"
#include "GuestDnDPrivate.h"
#include <VBox/GuestHost/DragAndDrop.h>
#include <VBox/HostServices/DragAndDropSvc.h>
struct GuestDnDSendCtx;
class GuestDnDSendDataTask;
class ATL_NO_VTABLE GuestDnDTarget :
public GuestDnDTargetWrap,
public GuestDnDBase
{
public:
GuestDnDTarget(void);
virtual ~GuestDnDTarget(void);
/** @name COM and internal init/term/mapping cruft.
* @{ */
DECLARE_TRANSLATE_METHODS(GuestDnDTarget);
HRESULT init(const ComObjPtr<Guest>& pGuest);
void uninit(void);
HRESULT FinalConstruct(void);
void FinalRelease(void);
/** @} */
private:
/** Private wrapped @name IDnDBase methods.
* @{ */
HRESULT isFormatSupported(const com::Utf8Str &aFormat, BOOL *aSupported);
HRESULT getFormats(GuestDnDMIMEList &aFormats);
HRESULT addFormats(const GuestDnDMIMEList &aFormats);
HRESULT removeFormats(const GuestDnDMIMEList &aFormats);
/** @} */
/** Private wrapped @name IDnDTarget methods.
* @{ */
HRESULT enter(ULONG aScreenId, ULONG ax, ULONG aY, DnDAction_T aDefaultAction, const std::vector<DnDAction_T> &aAllowedActions, const GuestDnDMIMEList &aFormats, DnDAction_T *aResultAction);
HRESULT move(ULONG aScreenId, ULONG aX, ULONG aY, DnDAction_T aDefaultAction, const std::vector<DnDAction_T> &aAllowedActions, const GuestDnDMIMEList &aFormats, DnDAction_T *aResultAction);
HRESULT leave(ULONG aScreenId);
HRESULT drop(ULONG aScreenId, ULONG aX, ULONG aY, DnDAction_T aDefaultAction, const std::vector<DnDAction_T> &aAllowedActions, const GuestDnDMIMEList &aFormats, com::Utf8Str &aFormat, DnDAction_T *aResultAction);
HRESULT sendData(ULONG aScreenId, const com::Utf8Str &aFormat, const std::vector<BYTE> &aData, ComPtr<IProgress> &aProgress);
HRESULT cancel(BOOL *aVeto);
/** @} */
protected:
static Utf8Str i_guestErrorToString(int guestRc);
static Utf8Str i_hostErrorToString(int hostRc);
/** @name Callbacks for dispatch handler.
* @{ */
static DECLCALLBACK(int) i_sendTransferDataCallback(uint32_t uMsg, void *pvParms, size_t cbParms, void *pvUser);
/** @} */
protected:
/** @name Implemented virtual functions.
* @{ */
void i_reset(void);
/** @} */
int i_sendData(GuestDnDSendCtx *pCtx, RTMSINTERVAL msTimeout);
int i_sendMetaDataBody(GuestDnDSendCtx *pCtx);
int i_sendMetaDataHeader(GuestDnDSendCtx *pCtx);
int i_sendTransferData(GuestDnDSendCtx *pCtx, RTMSINTERVAL msTimeout);
int i_sendTransferListObject(GuestDnDSendCtx *pCtx, PDNDTRANSFERLIST pList, GuestDnDMsg *pMsg);
int i_sendDirectory(GuestDnDSendCtx *pCtx, PDNDTRANSFEROBJECT pObj, GuestDnDMsg *pMsg);
int i_sendFile(GuestDnDSendCtx *pCtx, PDNDTRANSFEROBJECT pObj, GuestDnDMsg *pMsg);
int i_sendFileData(GuestDnDSendCtx *pCtx, PDNDTRANSFEROBJECT pObj, GuestDnDMsg *pMsg);
int i_sendRawData(GuestDnDSendCtx *pCtx, RTMSINTERVAL msTimeout);
protected:
struct
{
/** Maximum data block size (in bytes) the target can handle. */
uint32_t mcbBlockSize;
/** The context for sending data to the guest.
* At the moment only one transfer at a time is supported. */
GuestDnDSendCtx mSendCtx;
} mData;
friend class GuestDnDSendDataTask;
};
#endif /* !MAIN_INCLUDED_GuestDnDTargetImpl_h */
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