ZFileSystemWatcher.h

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/*
 * Zuble - A run-time system for QML/Javascript applications
 * Copyright (C) 2015 Bob Dinitto
 *
 * Filename:   ZFileSystemWatcher.h
 * Created on: 10/26/2015
 * Author:     Bob Dinitto
 *
 * Zuble is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */

#ifndef ZFILESYSTEMWATCHER_H
#define ZFILESYSTEMWATCHER_H

#include <QObject>
#include <QMutex>
#include <QFileSystemWatcher>
#include <QMap>
#include <QStringList>
#include "zglobal.h"


namespace Zbl
{

class ZFileSystemWatcher : public QObject
{
    Q_OBJECT
public:

    typedef QMap<QString, int> zFileWatcherMap;

    explicit ZFileSystemWatcher(QObject *parent = nullptr);

    static void registerType();

    Q_PROPERTY(bool restoreDeletedFiles READ getRestoreDeletedFiles WRITE setRestoreDeletedFiles)

    Q_INVOKABLE bool addPath(const QString &file);
    Q_INVOKABLE QStringList addPaths(const QStringList &files);
    Q_INVOKABLE bool removePath(const QString &file);
    Q_INVOKABLE QStringList removePaths(const QStringList &files);

    Q_INVOKABLE QStringList files() const;
    Q_INVOKABLE QStringList directories() const;

    bool getRestoreDeletedFiles();
    void setRestoreDeletedFiles(bool restoreFiles);

signals:

    void fileChanged(const QString &path);

    void directoryChanged(const QString &path);

public slots:


protected:

    void onFileChanged(const QString& path);

    bool waitForFileCreation(const QString &path);

    QFileSystemWatcher m_watcher;

    zFileWatcherMap m_paths;

    QMutex m_lock;

    bool m_restoreDeletedFiles;

    ZBL_DECLARE_LOGGED_OBJECT

};

} // Zbl

#endif // ZFILESYSTEMWATCHER_H