/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
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** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
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** use the contact form at http://qt.digia.com/contact-us.
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** following information to ensure the GNU Lesser General Public License
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****************************************************************************/

#ifndef FILEINFOTHREAD_P_H
#define FILEINFOTHREAD_P_H

#include <QThread>
#include <QMutex>
#include <QWaitCondition>
#include <QFileSystemWatcher>
#include <QFileInfo>
#include <QDir>

#include "fileproperty_p.h"

class FileInfoThread : public QThread
{
    Q_OBJECT

Q_SIGNALS:
    void directoryChanged(const QString &directory, const QList<FileProperty> &list) const;
    void directoryUpdated(const QString &directory, const QList<FileProperty> &list, int fromIndex, int toIndex) const;
    void sortFinished(const QList<FileProperty> &list) const;

public:
    FileInfoThread(QObject *parent = 0);
    ~FileInfoThread();

    void clear();
    void removePath(const QString &path);
    void setPath(const QString &path);
    void setRootPath(const QString &path);
    void setSortFlags(QDir::SortFlags flags);
    void setNameFilters(const QStringList & nameFilters);
    void setShowFiles(bool show);
    void setShowDirs(bool showFolders);
    void setShowDirsFirst(bool show);
    void setShowDotAndDotDot(bool on);
    void setShowHidden(bool on);
    void setShowOnlyReadable(bool on);

public Q_SLOTS:
#ifndef QT_NO_FILESYSTEMWATCHER
    void dirChanged(const QString &directoryPath);
    void updateFile(const QString &path);
#endif

protected:
    void run();
    void getFileInfos(const QString &path);
    void findChangeRange(const QList<FileProperty> &list, int &fromIndex, int &toIndex);

private:
    QMutex mutex;
    QWaitCondition condition;
    volatile bool abort;

#ifndef QT_NO_FILESYSTEMWATCHER
    QFileSystemWatcher *watcher;
#endif
    QList<FileProperty> currentFileList;
    QDir::SortFlags sortFlags;
    QString currentPath;
    QString rootPath;
    QStringList nameFilters;
    bool needUpdate;
    bool folderUpdate;
    bool sortUpdate;
    bool showFiles;
    bool showDirs;
    bool showDirsFirst;
    bool showDotAndDotDot;
    bool showHidden;
    bool showOnlyReadable;
};

#endif // FILEINFOTHREAD_P_H
