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#ifndef QFILESYSTEMWATCHER_WIN_P_H

#define QFILESYSTEMWATCHER_WIN_P_H

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API.  It exists for the convenience

// of the QLibrary class.  This header file may change from

// version to version without notice, or even be removed.

//

// We mean it.

//

#include "qfilesystemwatcher_p.h"

#ifndef QT_NO_FILESYSTEMWATCHER

#include <qt_windows.h>

#include <QtCore/qdatetime.h>

#include <QtCore/qfile.h>

#include <QtCore/qfileinfo.h>

#include <QtCore/qhash.h>

#include <QtCore/qmutex.h>

#include <QtCore/qvector.h>

QT_BEGIN_NAMESPACE

class QWindowsFileSystemWatcherEngineThread;

// Even though QWindowsFileSystemWatcherEngine is derived of QThread

// via QFileSystemWatcher, it does not start a thread.

// Instead QWindowsFileSystemWatcher creates QWindowsFileSystemWatcherEngineThreads

// to do the actually watching.

class QWindowsFileSystemWatcherEngine : public QFileSystemWatcherEngine

{

    Q_OBJECT

public:

    QWindowsFileSystemWatcherEngine();

    ~QWindowsFileSystemWatcherEngine();

    QStringList addPaths(const QStringList &paths, QStringList *files, QStringList *directories);

    QStringList removePaths(const QStringList &paths, QStringList *files, QStringList *directories);

    void stop();

    class Handle

    {

    public:

        HANDLE handle;

        uint flags;

        Handle()

                : handle(INVALID_HANDLE_VALUE), flags(0u)

        { }

        Handle(const Handle &other)

                : handle(other.handle), flags(other.flags)

        { }

    };

    class PathInfo {

    public:

        QString absolutePath;

        QString path;

        bool isDir;

        // fileinfo bits

        uint ownerId;

        uint groupId;

        QFile::Permissions permissions;

        QDateTime lastModified;

        PathInfo &operator=(const QFileInfo &fileInfo)

                           {

            ownerId = fileInfo.ownerId();

            groupId = fileInfo.groupId();

            permissions = fileInfo.permissions();

            lastModified = fileInfo.lastModified();

            return *this;

        }

        bool operator!=(const QFileInfo &fileInfo) const

        {

            return (ownerId != fileInfo.ownerId()

                    || groupId != fileInfo.groupId()

                    || permissions != fileInfo.permissions()

                    || lastModified != fileInfo.lastModified());

        }

    };

private:

    QList<QWindowsFileSystemWatcherEngineThread *> threads;

};

class QWindowsFileSystemWatcherEngineThread : public QThread

{

    Q_OBJECT

public:

    QWindowsFileSystemWatcherEngineThread();

    ~QWindowsFileSystemWatcherEngineThread();

    void run();

    void stop();

    void wakeup();

    QMutex mutex;

    QVector<HANDLE> handles;

    int msg;

    QHash<QString, QWindowsFileSystemWatcherEngine::Handle> handleForDir;

    QHash<HANDLE, QHash<QString, QWindowsFileSystemWatcherEngine::PathInfo> > pathInfoForHandle;

Q_SIGNALS:

    void fileChanged(const QString &path, bool removed);

    void directoryChanged(const QString &path, bool removed);

};

#endif // QT_NO_FILESYSTEMWATCHER

QT_END_NAMESPACE

#endif // QFILESYSTEMWATCHER_WIN_P_H