/*
 * This file is part of the Flowee project
 * Copyright (C) 2014 The Bitcoin Core developers
 *
 * 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, either version 3 of the License, or
 * (at your option) any later version.
 *
 * 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 <http://www.gnu.org/licenses/>.
 */

#ifndef FLOWEE_QT_WINSHUTDOWNMONITOR_H
#define FLOWEE_QT_WINSHUTDOWNMONITOR_H

#ifdef WIN32
#include <QByteArray>
#include <QString>

#if QT_VERSION >= 0x050000
#include <windef.h> // for HWND

#include <QAbstractNativeEventFilter>

class WinShutdownMonitor : public QAbstractNativeEventFilter
{
public:
    /** Implements QAbstractNativeEventFilter interface for processing Windows messages */
    bool nativeEventFilter(const QByteArray &eventType, void *pMessage, long *pnResult);

    /** Register the reason for blocking shutdown on Windows to allow clean client exit */
    static void registerShutdownBlockReason(const QString& strReason, const HWND& mainWinId);
};
#endif
#endif

#endif