VirtualBox

source: vbox/trunk/src/VBox/Main/include/GuestDnDTargetImpl.h@ 93412

Last change on this file since 93412 was 93115, checked in by vboxsync, 3 years ago

scm --update-copyright-year

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 3.9 KB
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1/* $Id: GuestDnDTargetImpl.h 93115 2022-01-01 11:31:46Z vboxsync $ */
2/** @file
3 * VBox Console COM Class implementation - Guest drag'n drop target.
4 */
5
6/*
7 * Copyright (C) 2014-2022 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 */
17
18#ifndef MAIN_INCLUDED_GuestDnDTargetImpl_h
19#define MAIN_INCLUDED_GuestDnDTargetImpl_h
20#ifndef RT_WITHOUT_PRAGMA_ONCE
21# pragma once
22#endif
23
24#include "GuestDnDTargetWrap.h"
25#include "GuestDnDPrivate.h"
26
27#include <VBox/GuestHost/DragAndDrop.h>
28#include <VBox/HostServices/DragAndDropSvc.h>
29
30struct GuestDnDSendCtx;
31class GuestDnDSendDataTask;
32
33class ATL_NO_VTABLE GuestDnDTarget :
34 public GuestDnDTargetWrap,
35 public GuestDnDBase
36{
37public:
38 /** @name COM and internal init/term/mapping cruft.
39 * @{ */
40 DECLARE_COMMON_CLASS_METHODS(GuestDnDTarget)
41
42 HRESULT init(const ComObjPtr<Guest>& pGuest);
43 void uninit(void);
44
45 HRESULT FinalConstruct(void);
46 void FinalRelease(void);
47 /** @} */
48
49private:
50
51 /** Private wrapped @name IDnDBase methods.
52 * @{ */
53 HRESULT isFormatSupported(const com::Utf8Str &aFormat, BOOL *aSupported);
54 HRESULT getFormats(GuestDnDMIMEList &aFormats);
55 HRESULT addFormats(const GuestDnDMIMEList &aFormats);
56 HRESULT removeFormats(const GuestDnDMIMEList &aFormats);
57 /** @} */
58
59 /** Private wrapped @name IDnDTarget methods.
60 * @{ */
61 HRESULT enter(ULONG aScreenId, ULONG ax, ULONG aY, DnDAction_T aDefaultAction, const std::vector<DnDAction_T> &aAllowedActions, const GuestDnDMIMEList &aFormats, DnDAction_T *aResultAction);
62 HRESULT move(ULONG aScreenId, ULONG aX, ULONG aY, DnDAction_T aDefaultAction, const std::vector<DnDAction_T> &aAllowedActions, const GuestDnDMIMEList &aFormats, DnDAction_T *aResultAction);
63 HRESULT leave(ULONG aScreenId);
64 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);
65 HRESULT sendData(ULONG aScreenId, const com::Utf8Str &aFormat, const std::vector<BYTE> &aData, ComPtr<IProgress> &aProgress);
66 HRESULT cancel(BOOL *aVeto);
67 /** @} */
68
69protected:
70
71 static Utf8Str i_guestErrorToString(int guestRc);
72 static Utf8Str i_hostErrorToString(int hostRc);
73
74 /** @name Callbacks for dispatch handler.
75 * @{ */
76 static DECLCALLBACK(int) i_sendTransferDataCallback(uint32_t uMsg, void *pvParms, size_t cbParms, void *pvUser);
77 /** @} */
78
79protected:
80
81 void i_reset(void);
82
83 int i_sendData(GuestDnDSendCtx *pCtx, RTMSINTERVAL msTimeout);
84
85 int i_sendMetaDataBody(GuestDnDSendCtx *pCtx);
86 int i_sendMetaDataHeader(GuestDnDSendCtx *pCtx);
87
88 int i_sendTransferData(GuestDnDSendCtx *pCtx, RTMSINTERVAL msTimeout);
89 int i_sendTransferListObject(GuestDnDSendCtx *pCtx, PDNDTRANSFERLIST pList, GuestDnDMsg *pMsg);
90
91 int i_sendDirectory(GuestDnDSendCtx *pCtx, PDNDTRANSFEROBJECT pObj, GuestDnDMsg *pMsg);
92 int i_sendFile(GuestDnDSendCtx *pCtx, PDNDTRANSFEROBJECT pObj, GuestDnDMsg *pMsg);
93 int i_sendFileData(GuestDnDSendCtx *pCtx, PDNDTRANSFEROBJECT pObj, GuestDnDMsg *pMsg);
94
95 int i_sendRawData(GuestDnDSendCtx *pCtx, RTMSINTERVAL msTimeout);
96
97protected:
98
99 struct
100 {
101 /** Maximum data block size (in bytes) the target can handle. */
102 uint32_t mcbBlockSize;
103 /** The context for sending data to the guest.
104 * At the moment only one transfer at a time is supported. */
105 GuestDnDSendCtx mSendCtx;
106 } mData;
107
108 friend class GuestDnDSendDataTask;
109};
110
111#endif /* !MAIN_INCLUDED_GuestDnDTargetImpl_h */
112
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