1 files changed, 136 insertions, 0 deletions
diff --git a/src/VBox/Main/include/HostPower.h b/src/VBox/Main/include/HostPower.h
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+++ b/src/VBox/Main/include/HostPower.h
@@ -0,0 +1,136 @@
+/* $Id: HostPower.h $ */
+/** @file
+ *
+ * VirtualBox interface to host's power notification service
+ */
+
+/*
+ * 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 MAIN_INCLUDED_HostPower_h
+#define MAIN_INCLUDED_HostPower_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+#ifdef RT_OS_DARWIN /* first, so we can undef pVM in iprt/cdefs.h */
+# include <IOKit/pwr_mgt/IOPMLib.h>
+# include <Carbon/Carbon.h>
+#endif
+
+#include "VirtualBoxBase.h"
+
+#include <vector>
+
+#ifdef RT_OS_LINUX
+# include <VBox/dbus.h>
+#endif
+
+class HostPowerService
+{
+  public:
+    HostPowerService(VirtualBox *aVirtualBox);
+    virtual ~HostPowerService();
+    void notify(Reason_T aReason);
+
+  protected:
+    VirtualBox *mVirtualBox;
+    std::vector<ComPtr<IInternalSessionControl> > mSessionControls;
+};
+
+# if defined(RT_OS_WINDOWS) || defined(DOXYGEN_RUNNING)
+/**
+ * The Windows hosted Power Service.
+ */
+class HostPowerServiceWin : public HostPowerService
+{
+public:
+
+    HostPowerServiceWin(VirtualBox *aVirtualBox);
+    virtual ~HostPowerServiceWin();
+
+private:
+
+    static DECLCALLBACK(int) NotificationThread(RTTHREAD ThreadSelf, void *pInstance);
+    static LRESULT CALLBACK  WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
+
+    HWND        mHwnd;
+    RTTHREAD    mThread;
+};
+# endif
+# if defined(RT_OS_LINUX) || defined(DOXYGEN_RUNNING)
+/**
+ * The Linux hosted Power Service.
+ */
+class HostPowerServiceLinux : public HostPowerService
+{
+public:
+
+    HostPowerServiceLinux(VirtualBox *aVirtualBox);
+    virtual ~HostPowerServiceLinux();
+
+private:
+
+    static DECLCALLBACK(int) powerChangeNotificationThread(RTTHREAD ThreadSelf, void *pInstance);
+
+    /* Private member vars */
+    /** Our message thread. */
+    RTTHREAD mThread;
+    /** Our (private) connection to the DBus.  Closing this will cause the
+     * message thread to exit. */
+    DBusConnection *mpConnection;
+};
+
+# endif
+# if defined(RT_OS_DARWIN) || defined(DOXYGEN_RUNNING)
+/**
+ * The Darwin hosted Power Service.
+ */
+class HostPowerServiceDarwin : public HostPowerService
+{
+public:
+
+    HostPowerServiceDarwin(VirtualBox *aVirtualBox);
+    virtual ~HostPowerServiceDarwin();
+
+private:
+
+    static DECLCALLBACK(int) powerChangeNotificationThread(RTTHREAD ThreadSelf, void *pInstance);
+    static void powerChangeNotificationHandler(void *pvData, io_service_t service, natural_t messageType, void *pMessageArgument);
+    static void lowPowerHandler(void *pvData);
+
+    void checkBatteryCriticalLevel(bool *pfCriticalChanged = NULL);
+
+    /* Private member vars */
+    RTTHREAD mThread; /* Our message thread. */
+
+    io_connect_t mRootPort; /* A reference to the Root Power Domain IOService */
+    IONotificationPortRef mNotifyPort; /* Notification port allocated by IORegisterForSystemPower */
+    io_object_t mNotifierObject; /* Notifier object, used to deregister later */
+    CFRunLoopRef mRunLoop; /* A reference to the local thread run loop */
+
+    bool mCritical; /* Indicate if the battery was in the critical state last checked */
+};
+# endif
+
+#endif /* !MAIN_INCLUDED_HostPower_h */
+/* vi: set tabstop=4 shiftwidth=4 expandtab: */