dbasefilewatcher.h

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// SPDX-FileCopyrightText: 2017 - 2022 UnionTech Software Technology Co., Ltd.
//
// SPDX-License-Identifier: LGPL-3.0-or-later
 
#ifndef DBASEFILEWATCHER_H
#define DBASEFILEWATCHER_H
 
#include "dtkcore_global.h"
#include "dobject.h"
 
#include <QObject>
 
DCORE_BEGIN_NAMESPACE
 
class DBaseFileWatcherPrivate;
class LIBDTKCORESHARED_EXPORT DBaseFileWatcher : public QObject, public DObject
{
    Q_OBJECT
 
public:
    ~DBaseFileWatcher();
 
    QUrl fileUrl() const;
 
    bool startWatcher();
    bool stopWatcher();
    bool restartWatcher();
 
    virtual void setEnabledSubfileWatcher(const QUrl &subfileUrl, bool enabled = true);
 
    using SignalType1 = void(DBaseFileWatcher::*)(const QUrl &);
    using SignalType2 = void(DBaseFileWatcher::*)(const QUrl &, const QUrl &);
    static bool ghostSignal(const QUrl &targetUrl, SignalType1 signal, const QUrl &arg1);
    static bool ghostSignal(const QUrl &targetUrl, SignalType2 signal, const QUrl &arg1, const QUrl &arg2);
 
Q_SIGNALS:
    void fileDeleted(const QUrl &url);
    void fileAttributeChanged(const QUrl &url);
    void fileMoved(const QUrl &fromUrl, const QUrl &toUrl);
    void subfileCreated(const QUrl &url);
    void fileModified(const QUrl &url);
    void fileClosed(const QUrl &url);
 
protected:
    explicit DBaseFileWatcher(DBaseFileWatcherPrivate &dd, const QUrl &url, QObject *parent = 0);
 
private:
    Q_DISABLE_COPY(DBaseFileWatcher)
    D_DECLARE_PRIVATE(DBaseFileWatcher)
};
 
DCORE_END_NAMESPACE
 
#endif // DBASEFILEWATCHER_H