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#ifndef QFILESYSTEMWATCHER_P_H

#define QFILESYSTEMWATCHER_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.h"

#ifndef QT_NO_FILESYSTEMWATCHER

#include <private/qobject_p.h>

#include <QtCore/qstringlist.h>

#include <QtCore/qthread.h>

QT_BEGIN_NAMESPACE

class QFileSystemWatcherEngine : public QThread

{

    Q_OBJECT

protected:

    inline QFileSystemWatcherEngine()

    {

        moveToThread(this);

    }

public:

    // fills \a files and \a directires with the \a paths it could

    // watch, and returns a list of paths this engine could not watch

    virtual QStringList addPaths(const QStringList &paths,

                                 QStringList *files,

                                 QStringList *directories) = 0;

    // removes \a paths from \a files and \a directories, and returns

    // a list of paths this engine does not know about (either addPath

    // failed or wasn't called)

    virtual QStringList removePaths(const QStringList &paths,

                                    QStringList *files,

                                    QStringList *directories) = 0;

    virtual void stop() = 0;

Q_SIGNALS:

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

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

};

class QFileSystemWatcherPrivate : public QObjectPrivate

{

    Q_DECLARE_PUBLIC(QFileSystemWatcher)

    static QFileSystemWatcherEngine *createNativeEngine();

public:

    QFileSystemWatcherPrivate();

    void init();

    void initPollerEngine();

    void initForcedEngine(const QString &);

    QFileSystemWatcherEngine *native, *poller, *forced;

    QStringList files, directories;

    // private slots

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

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

};

QT_END_NAMESPACE

#endif // QT_NO_FILESYSTEMWATCHER

#endif // QFILESYSTEMWATCHER_P_H