VirtualBox

source: vbox/trunk/src/VBox/Main/include/GuestDnDSourceImpl.h@ 101505

Last change on this file since 101505 was 98103, checked in by vboxsync, 2 years ago

Copyright year updates by scm.

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1/* $Id: GuestDnDSourceImpl.h 98103 2023-01-17 14:15:46Z vboxsync $ */
2/** @file
3 * VBox Console COM Class implementation - Guest drag'n drop source.
4 */
5
6/*
7 * Copyright (C) 2014-2023 Oracle and/or its affiliates.
8 *
9 * This file is part of VirtualBox base platform packages, as
10 * available from https://www.virtualbox.org.
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation, in version 3 of the
15 * License.
16 *
17 * This program is distributed in the hope that it will be useful, but
18 * WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, see <https://www.gnu.org/licenses>.
24 *
25 * SPDX-License-Identifier: GPL-3.0-only
26 */
27
28#ifndef MAIN_INCLUDED_GuestDnDSourceImpl_h
29#define MAIN_INCLUDED_GuestDnDSourceImpl_h
30#ifndef RT_WITHOUT_PRAGMA_ONCE
31# pragma once
32#endif
33
34#include <VBox/GuestHost/DragAndDrop.h>
35#include <VBox/HostServices/DragAndDropSvc.h>
36
37using namespace DragAndDropSvc;
38
39#include "GuestDnDSourceWrap.h"
40#include "GuestDnDPrivate.h"
41
42class GuestDnDRecvDataTask;
43struct GuestDnDRecvCtx;
44
45class ATL_NO_VTABLE GuestDnDSource :
46 public GuestDnDSourceWrap,
47 public GuestDnDBase
48{
49public:
50 GuestDnDSource(void);
51 virtual ~GuestDnDSource(void);
52
53 /** @name COM and internal init/term/mapping cruft.
54 * @{ */
55 DECLARE_TRANSLATE_METHODS(GuestDnDSource);
56
57 HRESULT init(const ComObjPtr<Guest>& pGuest);
58 void uninit(void);
59
60 HRESULT FinalConstruct(void);
61 void FinalRelease(void);
62 /** @} */
63
64private:
65
66 /** Private wrapped @name IDnDBase methods.
67 * @{ */
68 HRESULT isFormatSupported(const com::Utf8Str &aFormat, BOOL *aSupported);
69 HRESULT getFormats(GuestDnDMIMEList &aFormats);
70 HRESULT addFormats(const GuestDnDMIMEList &aFormats);
71 HRESULT removeFormats(const GuestDnDMIMEList &aFormats);
72 /** @} */
73
74 /** Private wrapped @name IDnDSource methods.
75 * @{ */
76 HRESULT dragIsPending(ULONG uScreenId, GuestDnDMIMEList &aFormats, std::vector<DnDAction_T> &aAllowedActions, DnDAction_T *aDefaultAction);
77 HRESULT drop(const com::Utf8Str &aFormat, DnDAction_T aAction, ComPtr<IProgress> &aProgress);
78 HRESULT receiveData(std::vector<BYTE> &aData);
79 /** @} */
80
81protected:
82
83 /** @name Implemented virtual functions.
84 * @{ */
85 void i_reset(void);
86 /** @} */
87
88#ifdef VBOX_WITH_DRAG_AND_DROP_GH
89 /** @name Dispatch handlers for the HGCM callbacks.
90 * @{ */
91 int i_onReceiveDataHdr(GuestDnDRecvCtx *pCtx, PVBOXDNDSNDDATAHDR pDataHdr);
92 int i_onReceiveData(GuestDnDRecvCtx *pCtx, PVBOXDNDSNDDATA pSndData);
93 int i_onReceiveDir(GuestDnDRecvCtx *pCtx, const char *pszPath, uint32_t cbPath, uint32_t fMode);
94 int i_onReceiveFileHdr(GuestDnDRecvCtx *pCtx, const char *pszPath, uint32_t cbPath, uint64_t cbSize, uint32_t fMode, uint32_t fFlags);
95 int i_onReceiveFileData(GuestDnDRecvCtx *pCtx,const void *pvData, uint32_t cbData);
96 /** @} */
97#endif
98
99protected:
100
101 static Utf8Str i_guestErrorToString(int guestRc);
102 static Utf8Str i_hostErrorToString(int hostRc);
103
104 /** @name Callbacks for dispatch handler.
105 * @{ */
106 static DECLCALLBACK(int) i_receiveRawDataCallback(uint32_t uMsg, void *pvParms, size_t cbParms, void *pvUser);
107 static DECLCALLBACK(int) i_receiveTransferDataCallback(uint32_t uMsg, void *pvParms, size_t cbParms, void *pvUser);
108 /** @} */
109
110protected:
111
112 int i_receiveData(GuestDnDRecvCtx *pCtx, RTMSINTERVAL msTimeout);
113 int i_receiveRawData(GuestDnDRecvCtx *pCtx, RTMSINTERVAL msTimeout);
114 int i_receiveTransferData(GuestDnDRecvCtx *pCtx, RTMSINTERVAL msTimeout);
115
116protected:
117
118 struct
119 {
120 /** Maximum data block size (in bytes) the source can handle. */
121 uint32_t mcbBlockSize;
122 /** The context for receiving data from the guest.
123 * At the moment only one transfer at a time is supported. */
124 GuestDnDRecvCtx mRecvCtx;
125 } mData;
126
127 friend class GuestDnDRecvDataTask;
128};
129
130#endif /* !MAIN_INCLUDED_GuestDnDSourceImpl_h */
131
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