/****************************************************************************
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****************************************************************************/

#ifndef QWINOVERLAPPEDIONOTIFIER_P_H
#define QWINOVERLAPPEDIONOTIFIER_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include <qobject.h>
#include <qt_windows.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Core)

class Q_CORE_EXPORT QWinOverlappedIoNotifier : public QObject
{
    Q_OBJECT
public:
    QWinOverlappedIoNotifier(QObject *parent = 0);
    ~QWinOverlappedIoNotifier();

    void setHandle(HANDLE h);
    HANDLE handle() const { return hHandle; }

    void setEnabled(bool enabled);
    bool waitForNotified(int msecs);

Q_SIGNALS:
    void notified(DWORD numberOfBytes, DWORD errorCode);
    void _q_notify();

private Q_SLOTS:
    void _q_notified();

private:
    void notify(DWORD numberOfBytes, DWORD errorCode);

private:
    HANDLE hHandle;
    HANDLE hEvent;
    DWORD lastNumberOfBytes;
    DWORD lastErrorCode;

    friend class QWinIoCompletionPort;
};

QT_END_NAMESPACE

QT_END_HEADER

#endif // QWINOVERLAPPEDIONOTIFIER_P_H