VirtualBox

source: vbox/trunk/src/VBox/Main/include/HostPower.h@ 52052

Last change on this file since 52052 was 50220, checked in by vboxsync, 11 years ago

Main/HostPower: another shot at savestate-on-battery-low

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 2.7 KB
Line 
1/** @file
2 *
3 * VirtualBox interface to host's power notification service
4 */
5
6/*
7 * Copyright (C) 2006-2013 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 */
17
18#ifndef ____H_HOSTPOWER
19#define ____H_HOSTPOWER
20
21#include "VirtualBoxBase.h"
22
23#include <vector>
24
25#ifdef RT_OS_DARWIN
26# include <IOKit/pwr_mgt/IOPMLib.h>
27# include <Carbon/Carbon.h>
28#endif /* RT_OS_DARWIN */
29
30class HostPowerService
31{
32 public:
33 HostPowerService(VirtualBox *aVirtualBox);
34 virtual ~HostPowerService();
35 void notify(Reason_T aReason);
36
37 protected:
38 VirtualBox *mVirtualBox;
39 std::vector<ComPtr<IInternalSessionControl> > mSessionControls;
40};
41
42# ifdef RT_OS_WINDOWS
43/**
44 * The Windows hosted Power Service.
45 */
46class HostPowerServiceWin : public HostPowerService
47{
48public:
49
50 HostPowerServiceWin(VirtualBox *aVirtualBox);
51 virtual ~HostPowerServiceWin();
52
53private:
54
55 static DECLCALLBACK(int) NotificationThread(RTTHREAD ThreadSelf, void *pInstance);
56 static LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
57
58 HWND mHwnd;
59 RTTHREAD mThread;
60};
61# elif defined(RT_OS_DARWIN) /* RT_OS_WINDOWS */
62/**
63 * The Darwin hosted Power Service.
64 */
65class HostPowerServiceDarwin : public HostPowerService
66{
67public:
68
69 HostPowerServiceDarwin(VirtualBox *aVirtualBox);
70 virtual ~HostPowerServiceDarwin();
71
72private:
73
74 static DECLCALLBACK(int) powerChangeNotificationThread(RTTHREAD ThreadSelf, void *pInstance);
75 static void powerChangeNotificationHandler(void *pvData, io_service_t service, natural_t messageType, void *pMessageArgument);
76 static void lowPowerHandler(void *pvData);
77
78 void checkBatteryCriticalLevel(bool *pfCriticalChanged = NULL);
79
80 /* Private member vars */
81 RTTHREAD mThread; /* Our message thread. */
82
83 io_connect_t mRootPort; /* A reference to the Root Power Domain IOService */
84 IONotificationPortRef mNotifyPort; /* Notification port allocated by IORegisterForSystemPower */
85 io_object_t mNotifierObject; /* Notifier object, used to deregister later */
86 CFRunLoopRef mRunLoop; /* A reference to the local thread run loop */
87
88 bool mCritical; /* Indicate if the battery was in the critical state last checked */
89};
90# endif /* RT_OS_DARWIN */
91
92#endif /* !____H_HOSTPOWER */
93/* vi: set tabstop=4 shiftwidth=4 expandtab: */
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