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/* $Id$ */
/** @file
* VBox Qt GUI - UIVirtualBoxClientEventHandler class declaration.
*/
/*
* Copyright (C) 2010-2022 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*/
#ifndef FEQT_INCLUDED_SRC_globals_UIVirtualBoxClientEventHandler_h
#define FEQT_INCLUDED_SRC_globals_UIVirtualBoxClientEventHandler_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
/* Qt includes: */
#include <QObject>
/* GUI includes: */
#include "UILibraryDefs.h"
/* COM includes: */
#include "COMEnums.h"
#include "CMedium.h"
#include "CMediumAttachment.h"
/* Forward declarations: */
class UIVirtualBoxClientEventHandlerProxy;
/** Singleton QObject extension providing GUI with CVirtualBoxClient event-source. */
class SHARED_LIBRARY_STUFF UIVirtualBoxClientEventHandler : public QObject
{
Q_OBJECT;
signals:
/** Notifies about the VBoxSVC become @a fAvailable. */
void sigVBoxSVCAvailabilityChange(bool fAvailable);
public:
/** Returns singleton instance. */
static UIVirtualBoxClientEventHandler *instance();
/** Destroys singleton instance. */
static void destroy();
protected:
/** Constructs VirtualBoxClient event handler. */
UIVirtualBoxClientEventHandler();
/** Prepares all. */
void prepare();
/** Prepares connections. */
void prepareConnections();
private:
/** Holds the singleton instance. */
static UIVirtualBoxClientEventHandler *s_pInstance;
/** Holds the VirtualBoxClient event proxy instance. */
UIVirtualBoxClientEventHandlerProxy *m_pProxy;
};
/** Singleton VirtualBoxClient Event Handler 'official' name. */
#define gVBoxClientEvents UIVirtualBoxClientEventHandler::instance()
#endif /* !FEQT_INCLUDED_SRC_globals_UIVirtualBoxClientEventHandler_h */
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