1 files changed, 128 insertions, 0 deletions
diff --git a/src/VBox/Main/include/GuestDnDTargetImpl.h b/src/VBox/Main/include/GuestDnDTargetImpl.h
new file mode 100644
index 00000000..0011709c
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+++ b/src/VBox/Main/include/GuestDnDTargetImpl.h
@@ -0,0 +1,128 @@
+/* $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 */
+