| 1 | /* $Id: SharedClipboardPrivate.h 78683 2019-05-23 10:07:21Z vboxsync $ */
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| 2 | /** @file
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| 3 | * Private Shared Clipboard code. */
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| 4 |
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| 5 | /*
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| 6 | * Copyright (C) 2019 Oracle Corporation
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| 7 | *
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| 8 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 9 | * available from http://www.virtualbox.org. This file is free software;
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| 10 | * you can redistribute it and/or modify it under the terms of the GNU
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| 11 | * General Public License (GPL) as published by the Free Software
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| 12 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 13 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 14 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 15 | */
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| 16 |
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| 17 | #ifndef MAIN_INCLUDED_SharedClipboardPrivate_h
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| 18 | #define MAIN_INCLUDED_SharedClipboardPrivate_h
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| 19 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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| 20 | # pragma once
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| 21 | #endif
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| 22 |
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| 23 | #include <iprt/dir.h>
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| 24 | #include <iprt/file.h>
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| 25 | #include <iprt/path.h>
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| 26 |
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| 27 | #include <VBox/hgcmsvc.h> /* For PVBOXHGCMSVCPARM. */
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| 28 | #include <VBox/HostServices/VBoxClipboardSvc.h>
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| 29 |
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| 30 |
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| 31 | /* Prototypes. */
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| 32 | class Console;
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| 33 |
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| 34 | /**
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| 35 | * Private singleton class for the Shared Clipboard
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| 36 | * implementation. Can't be instanciated directly, only via
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| 37 | * the factory pattern.
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| 38 | */
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| 39 | class SharedClipboard
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| 40 | {
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| 41 | public:
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| 42 |
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| 43 | static SharedClipboard *createInstance(const ComObjPtr<Console>& pConsole)
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| 44 | {
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| 45 | Assert(NULL == SharedClipboard::s_pInstance);
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| 46 | SharedClipboard::s_pInstance = new SharedClipboard(pConsole);
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| 47 | return SharedClipboard::s_pInstance;
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| 48 | }
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| 49 |
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| 50 | static void destroyInstance(void)
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| 51 | {
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| 52 | if (SharedClipboard::s_pInstance)
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| 53 | {
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| 54 | delete SharedClipboard::s_pInstance;
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| 55 | SharedClipboard::s_pInstance = NULL;
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| 56 | }
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| 57 | }
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| 58 |
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| 59 | static inline SharedClipboard *getInstance(void)
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| 60 | {
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| 61 | AssertPtr(SharedClipboard::s_pInstance);
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| 62 | return SharedClipboard::s_pInstance;
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| 63 | }
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| 64 |
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| 65 | protected:
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| 66 |
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| 67 | SharedClipboard(const ComObjPtr<Console>& pConsole);
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| 68 | virtual ~SharedClipboard(void);
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| 69 |
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| 70 | public:
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| 71 |
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| 72 | /** @name Public helper functions.
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| 73 | * @{ */
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| 74 | int hostCall(uint32_t u32Function, uint32_t cParms, PVBOXHGCMSVCPARM paParms) const;
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| 75 | /** @} */
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| 76 |
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| 77 | public:
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| 78 |
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| 79 | /** @name Static low-level HGCM callback handler.
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| 80 | * @{ */
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| 81 | static DECLCALLBACK(int) hostServiceCallback(void *pvExtension, uint32_t u32Function, void *pvParms, uint32_t cbParms);
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| 82 | /** @} */
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| 83 |
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| 84 | protected:
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| 85 |
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| 86 | /** @name Singleton properties.
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| 87 | * @{ */
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| 88 | /** Pointer to console implementation. */
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| 89 | const ComObjPtr<Console> m_pConsole;
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| 90 | /** @} */
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| 91 |
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| 92 | private:
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| 93 |
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| 94 | /** Staic pointer to singleton instance. */
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| 95 | static SharedClipboard *s_pInstance;
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| 96 | };
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| 97 |
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| 98 | /** Access to the Shared Clipboard's singleton instance. */
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| 99 | #define SHAREDCLIPBOARDINST() SharedClipboard::getInstance()
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| 100 |
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| 101 | #endif /* !MAIN_INCLUDED_SharedClipboardPrivate_h */
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| 102 |
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