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