| 1 | /* $Id: GuestDnDTargetImpl.h 85402 2020-07-21 15:10:32Z vboxsync $ */
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| 2 | /** @file
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| 3 | * VBox Console COM Class implementation - Guest drag'n drop target.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2014-2020 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | */
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| 17 |
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| 18 | #ifndef MAIN_INCLUDED_GuestDnDTargetImpl_h
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| 19 | #define MAIN_INCLUDED_GuestDnDTargetImpl_h
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| 20 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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| 21 | # pragma once
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| 22 | #endif
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| 23 |
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| 24 | #include "GuestDnDTargetWrap.h"
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| 25 | #include "GuestDnDPrivate.h"
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| 26 |
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| 27 | #include <VBox/GuestHost/DragAndDrop.h>
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| 28 | #include <VBox/HostServices/DragAndDropSvc.h>
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| 29 |
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| 30 | struct GuestDnDSendCtx;
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| 31 | class GuestDnDSendDataTask;
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| 32 |
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| 33 | class ATL_NO_VTABLE GuestDnDTarget :
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| 34 | public GuestDnDTargetWrap,
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| 35 | public GuestDnDBase
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| 36 | {
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| 37 | public:
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| 38 | /** @name COM and internal init/term/mapping cruft.
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| 39 | * @{ */
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| 40 | DECLARE_EMPTY_CTOR_DTOR(GuestDnDTarget)
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| 41 |
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| 42 | int init(const ComObjPtr<Guest>& pGuest);
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| 43 | void uninit(void);
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| 44 |
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| 45 | HRESULT FinalConstruct(void);
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| 46 | void FinalRelease(void);
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| 47 | /** @} */
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| 48 |
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| 49 | private:
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| 50 |
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| 51 | /** Private wrapped @name IDnDBase methods.
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| 52 | * @{ */
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| 53 | HRESULT isFormatSupported(const com::Utf8Str &aFormat, BOOL *aSupported);
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| 54 | HRESULT getFormats(GuestDnDMIMEList &aFormats);
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| 55 | HRESULT addFormats(const GuestDnDMIMEList &aFormats);
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| 56 | HRESULT removeFormats(const GuestDnDMIMEList &aFormats);
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| 57 |
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| 58 | HRESULT getProtocolVersion(ULONG *aProtocolVersion);
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| 59 | /** @} */
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| 60 |
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| 61 | /** Private wrapped @name IDnDTarget methods.
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| 62 | * @{ */
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| 63 | HRESULT enter(ULONG aScreenId, ULONG ax, ULONG aY, DnDAction_T aDefaultAction, const std::vector<DnDAction_T> &aAllowedActions, const GuestDnDMIMEList &aFormats, DnDAction_T *aResultAction);
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| 64 | HRESULT move(ULONG aScreenId, ULONG aX, ULONG aY, DnDAction_T aDefaultAction, const std::vector<DnDAction_T> &aAllowedActions, const GuestDnDMIMEList &aFormats, DnDAction_T *aResultAction);
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| 65 | HRESULT leave(ULONG aScreenId);
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| 66 | 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);
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| 67 | HRESULT sendData(ULONG aScreenId, const com::Utf8Str &aFormat, const std::vector<BYTE> &aData, ComPtr<IProgress> &aProgress);
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| 68 | HRESULT cancel(BOOL *aVeto);
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| 69 | /** @} */
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| 70 |
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| 71 | protected:
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| 72 |
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| 73 | static Utf8Str i_guestErrorToString(int guestRc);
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| 74 | static Utf8Str i_hostErrorToString(int hostRc);
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| 75 |
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| 76 | /** @name Thread task workers.
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| 77 | * @{ */
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| 78 | static void i_sendDataThreadTask(GuestDnDSendDataTask *pTask);
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| 79 | /** @} */
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| 80 |
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| 81 | /** @name Callbacks for dispatch handler.
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| 82 | * @{ */
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| 83 | static DECLCALLBACK(int) i_sendTransferDataCallback(uint32_t uMsg, void *pvParms, size_t cbParms, void *pvUser);
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| 84 | /** @} */
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| 85 |
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| 86 | protected:
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| 87 |
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| 88 | int i_sendData(GuestDnDSendCtx *pCtx, RTMSINTERVAL msTimeout);
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| 89 |
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| 90 | int i_sendMetaDataBody(GuestDnDSendCtx *pCtx);
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| 91 | int i_sendMetaDataHeader(GuestDnDSendCtx *pCtx);
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| 92 |
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| 93 | int i_sendTransferData(GuestDnDSendCtx *pCtx, RTMSINTERVAL msTimeout);
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| 94 | int i_sendTransferDataLoop(GuestDnDSendCtx *pCtx, GuestDnDMsg *pMsg);
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| 95 |
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| 96 | int i_sendDirectory(GuestDnDSendCtx *pCtx, PDNDTRANSFEROBJECT pObj, GuestDnDMsg *pMsg);
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| 97 | int i_sendFile(GuestDnDSendCtx *pCtx, PDNDTRANSFEROBJECT pObj, GuestDnDMsg *pMsg);
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| 98 | int i_sendFileData(GuestDnDSendCtx *pCtx, PDNDTRANSFEROBJECT pObj, GuestDnDMsg *pMsg);
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| 99 |
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| 100 | int i_sendRawData(GuestDnDSendCtx *pCtx, RTMSINTERVAL msTimeout);
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| 101 |
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| 102 | protected:
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| 103 |
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| 104 | struct
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| 105 | {
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| 106 | /** Flag indicating whether a data transfer currently is active. */
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| 107 | bool mfTransferIsPending;
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| 108 | /** Maximum data block size (in bytes) the target can handle. */
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| 109 | uint32_t mcbBlockSize;
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| 110 | } mData;
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| 111 |
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| 112 | friend class GuestDnDSendDataTask;
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| 113 | };
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| 114 |
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| 115 | #endif /* !MAIN_INCLUDED_GuestDnDTargetImpl_h */
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| 116 |
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