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/*
For general Scribus (>=1.3.2) copyright and licensing information please refer
to the COPYING file provided with the program. Following this notice may exist
a copyright and/or license notice that predates the release of Scribus 1.3.2
for which a new license (GPL+exception) is in place.
*/
#ifndef FILEWATCHER_H
#define FILEWATCHER_H
#include <QDateTime>
#include <QFileInfo>
#include <QList>
#include <QMap>
#include <QObject>
#include <QTimer>
#include "scribusapi.h"
class SCRIBUS_API FileWatcher : public QObject
{
Q_OBJECT
public:
FileWatcher(QObject* parent);
~FileWatcher();
bool isActive();
// Get if file check loop is running
void isFileCheckRunning();
// Set the timer length in milliseconds
void setTimeOut(const int newTimeOut, const bool restartTimer=false);
// Get the timer length
int timeOut() const;
QList<QString> files();
public slots:
//Add a file to the watch list for monitoring
void addFile(QString fileName);
//Remove a file from the watch list
void removeFile(QString fileName);
//Add a directory to the watch list for monitoring
void addDir(QString fileName);
//Remove a directory from the watch list
void removeDir(QString fileName);
//Start the watcher's timer for file monitoring
void start();
//Stop the watcher's timer
void stop();
//Force a scan of the watched item list
void forceScan();
private:
struct fileMod
{
QFileInfo info;
QDateTime timeInfo;
int pendingCount;
bool pending;
int refCount;
};
typedef enum
{
AddRemoveBlocked = 1,
FileCheckRunning = 2,
StopRequested = 4,
TimerStopped = 8,
Dying = 16,
FileCheckMustStop = 20 //StopRequested + Dying
} StateFlags;
QMap<QString, fileMod> watchedFiles;
QTimer* watchTimer;
int m_stateFlags;
int m_timeOut; // milliseconds
private slots:
void checkFiles();
signals:
void fileChanged(QString);
void fileDeleted(QString);
void dirChanged(QString);
void dirDeleted(QString);
void statePending(QString);
};
#endif
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