| 1 | /* $Id: seamless.h 69500 2017-10-28 15:14:05Z vboxsync $ */
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| 2 | /** @file
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| 3 | * X11 Guest client - seamless mode, missing proper description while using the
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| 4 | * potentially confusing word 'host'.
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| 5 | */
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| 6 |
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| 7 | /*
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| 8 | * Copyright (C) 2006-2017 Oracle Corporation
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| 9 | *
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| 10 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 11 | * available from http://www.virtualbox.org. This file is free software;
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| 12 | * you can redistribute it and/or modify it under the terms of the GNU
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| 13 | * General Public License (GPL) as published by the Free Software
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| 14 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 15 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 16 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 17 | */
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| 18 |
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| 19 | #ifndef __Additions_client_seamless_host_h
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| 20 | # define __Additions_client_seamless_host_h
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| 21 |
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| 22 | #include <iprt/thread.h>
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| 23 |
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| 24 | #include <VBox/log.h>
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| 25 | #include <VBox/VBoxGuestLib.h> /* for the R3 guest library functions */
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| 26 |
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| 27 | #include "seamless-x11.h"
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| 28 |
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| 29 | /**
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| 30 | * Interface to the host
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| 31 | */
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| 32 | class SeamlessMain
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| 33 | {
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| 34 | private:
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| 35 | // We don't want a copy constructor or assignment operator
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| 36 | SeamlessMain(const SeamlessMain&);
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| 37 | SeamlessMain& operator=(const SeamlessMain&);
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| 38 |
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| 39 | /** X11 event monitor object */
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| 40 | SeamlessX11 mX11Monitor;
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| 41 |
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| 42 | /** Thread to start and stop when we enter and leave seamless mode which
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| 43 | * monitors X11 windows in the guest. */
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| 44 | RTTHREAD mX11MonitorThread;
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| 45 | /** Should the X11 monitor thread be stopping? */
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| 46 | volatile bool mX11MonitorThreadStopping;
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| 47 |
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| 48 | /** The current seamless mode we are in. */
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| 49 | VMMDevSeamlessMode mMode;
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| 50 | /** Is the service currently paused? */
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| 51 | volatile bool mfPaused;
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| 52 |
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| 53 | /**
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| 54 | * Waits for a seamless state change events from the host and dispatch it. This is
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| 55 | * meant to be called by the host event monitor thread exclusively.
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| 56 | *
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| 57 | * @returns IRPT return code.
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| 58 | */
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| 59 | int nextStateChangeEvent(void);
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| 60 |
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| 61 | /** Thread function to monitor X11 window configuration changes. */
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| 62 | static DECLCALLBACK(int) x11MonitorThread(RTTHREAD self, void *pvUser);
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| 63 |
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| 64 | /** Helper to start the X11 monitor thread. */
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| 65 | int startX11MonitorThread(void);
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| 66 |
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| 67 | /** Helper to stop the X11 monitor thread again. */
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| 68 | int stopX11MonitorThread(void);
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| 69 |
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| 70 | /** Is the service currently actively monitoring X11 windows? */
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| 71 | bool isX11MonitorThreadRunning()
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| 72 | {
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| 73 | return mX11MonitorThread != NIL_RTTHREAD;
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| 74 | }
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| 75 |
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| 76 | public:
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| 77 | SeamlessMain(void);
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| 78 | virtual ~SeamlessMain();
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| 79 |
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| 80 | /**
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| 81 | * Initialise the service.
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| 82 | */
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| 83 | int init(void);
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| 84 |
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| 85 | /**
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| 86 | * Run the service.
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| 87 | * @returns iprt status value
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| 88 | */
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| 89 | int run(void);
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| 90 |
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| 91 | /**
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| 92 | * Stops the service.
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| 93 | */
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| 94 | void stop();
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| 95 |
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| 96 | /** Pause the service loop. This must be safe to call on a different thread
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| 97 | * and potentially before @a run is or after it exits.
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| 98 | * This is called by the VT monitoring thread to allow the service to disable
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| 99 | * itself when the X server is switched out. If the monitoring functionality
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| 100 | * is available then @a pause or @a resume will be called as soon as it starts
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| 101 | * up. */
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| 102 | int pause();
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| 103 | /** Resume after pausing. The same applies here as for @a pause. */
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| 104 | int resume();
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| 105 |
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| 106 | /** Run a few tests to be sure everything is working as intended. */
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| 107 | int selfTest();
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| 108 | };
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| 109 |
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| 110 | #endif /* __Additions_xclient_seamless_h not defined */
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