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/* $Id: seamless.h $ */
/** @file
* X11 Guest client - seamless mode, missing proper description while using the
* potentially confusing word 'host'.
*/
/*
* Copyright (C) 2006-2022 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 GA_INCLUDED_SRC_x11_VBoxClient_seamless_h
#define GA_INCLUDED_SRC_x11_VBoxClient_seamless_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
#include <iprt/thread.h>
#include <VBox/log.h>
#include <VBox/VBoxGuestLib.h> /* for the R3 guest library functions */
#include "seamless-x11.h"
/**
* Interface to the host
*/
class SeamlessMain
{
private:
// We don't want a copy constructor or assignment operator
SeamlessMain(const SeamlessMain&);
SeamlessMain& operator=(const SeamlessMain&);
/** X11 event monitor object */
SeamlessX11 mX11Monitor;
/** Thread to start and stop when we enter and leave seamless mode which
* monitors X11 windows in the guest. */
RTTHREAD mX11MonitorThread;
/** Should the X11 monitor thread be stopping? */
volatile bool mX11MonitorThreadStopping;
/** The current seamless mode we are in. */
VMMDevSeamlessMode mMode;
/** Is the service currently paused? */
volatile bool mfPaused;
/**
* Waits for a seamless state change events from the host and dispatch it. This is
* meant to be called by the host event monitor thread exclusively.
*
* @returns IRPT return code.
*/
int nextStateChangeEvent(void);
/** Thread function to monitor X11 window configuration changes. */
static DECLCALLBACK(int) x11MonitorThread(RTTHREAD self, void *pvUser);
/** Helper to start the X11 monitor thread. */
int startX11MonitorThread(void);
/** Helper to stop the X11 monitor thread again. */
int stopX11MonitorThread(void);
/** Is the service currently actively monitoring X11 windows? */
bool isX11MonitorThreadRunning()
{
return mX11MonitorThread != NIL_RTTHREAD;
}
public:
SeamlessMain(void);
virtual ~SeamlessMain();
#ifdef RT_NEED_NEW_AND_DELETE
RTMEM_IMPLEMENT_NEW_AND_DELETE();
#endif
/** @copydoc VBCLSERVICE::pfnInit */
int init(void);
/** @copydoc VBCLSERVICE::pfnWorker */
int worker(bool volatile *pfShutdown);
/** @copydoc VBCLSERVICE::pfnStop */
void stop(void);
/** @copydoc VBCLSERVICE::pfnTerm */
int term(void);
};
#endif /* !GA_INCLUDED_SRC_x11_VBoxClient_seamless_h */
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