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//===========================================
// Lumina-DE source code
// Copyright (c) 2016, Ken Moore
// Available under the 3-clause BSD license
// See the LICENSE file for full details
//===========================================
// This is the main browsing backend for the file manager
//===========================================
#ifndef _LUMINA_FM_BROWSE_BACKEND_H
#define _LUMINA_FM_BROWSE_BACKEND_H
#include <QObject>
#include <QString>
#include <QFileSystemWatcher>
#include <QIcon>
//#include <QFutureWatcher>
#include <QMediaPlayer>
#include <LVideoSurface.h>
#include <LVideoLabel.h>
#include <LuminaXDG.h>
#include <LFileInfo.h>
class Browser : public QObject{
Q_OBJECT
public:
Browser(QObject *parent = 0);
~Browser();
QString currentDirectory();
void showHiddenFiles(bool);
bool showingHiddenFiles();
void showThumbnails(bool);
bool showingThumbnails();
private:
QString currentDir;
QDateTime lastcheck;
QFileSystemWatcher *watcher;
QMap<QString, QPixmap> videoImages;
bool showHidden, showThumbs;
QStringList imageFormats, videoFormats, oldFiles, updateList;
QHash<QString, QIcon> mimeIcons; //cache for quickly re-using QIcons
QTimer *updateTimer;
void loadItem(QString info, Browser *obj); //this is the main loader class - multiple instances each run in a separate thread
QIcon* loadIcon(QString icon); //simplification for using/populating the mimIcons cache
private slots:
void fileChanged(QString); //tied into the watcher - for file change notifications
void dirChanged(QString); // tied into the watcher - for new/removed files in the current dir
void futureFinished(QString, const QImage* );
void updateRequested();
public slots:
void loadDirectory(QString dir = "", bool force = false);
signals:
//Main Signals
void itemRemoved(QString item); //emitted if a file was removed from the underlying
void clearItems(); //emitted when dirs change for example
void itemDataAvailable(const QIcon*, LFileInfo*);
//Start/Stop signals for loading of data
void itemsLoading(int); //number of items which are getting loaded
//Internal signal for the alternate threads
void threadDone(QString, const QImage*);
};
#endif
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