1*6a12446eSNicolas Bonnefon /* 2*6a12446eSNicolas Bonnefon * Copyright (C) 2010 Nicolas Bonnefon and other contributors 3*6a12446eSNicolas Bonnefon * 4*6a12446eSNicolas Bonnefon * This file is part of glogg. 5*6a12446eSNicolas Bonnefon * 6*6a12446eSNicolas Bonnefon * glogg is free software: you can redistribute it and/or modify 7*6a12446eSNicolas Bonnefon * it under the terms of the GNU General Public License as published by 8*6a12446eSNicolas Bonnefon * the Free Software Foundation, either version 3 of the License, or 9*6a12446eSNicolas Bonnefon * (at your option) any later version. 10*6a12446eSNicolas Bonnefon * 11*6a12446eSNicolas Bonnefon * glogg is distributed in the hope that it will be useful, 12*6a12446eSNicolas Bonnefon * but WITHOUT ANY WARRANTY; without even the implied warranty of 13*6a12446eSNicolas Bonnefon * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14*6a12446eSNicolas Bonnefon * GNU General Public License for more details. 15*6a12446eSNicolas Bonnefon * 16*6a12446eSNicolas Bonnefon * You should have received a copy of the GNU General Public License 17*6a12446eSNicolas Bonnefon * along with glogg. If not, see <http://www.gnu.org/licenses/>. 18*6a12446eSNicolas Bonnefon */ 19*6a12446eSNicolas Bonnefon 20*6a12446eSNicolas Bonnefon #ifndef QTFILEWATCHER_H 21*6a12446eSNicolas Bonnefon #define QTFILEWATCHER_H 22*6a12446eSNicolas Bonnefon 23*6a12446eSNicolas Bonnefon #include "filewatcher.h" 24*6a12446eSNicolas Bonnefon 25*6a12446eSNicolas Bonnefon #include <QFileSystemWatcher> 26*6a12446eSNicolas Bonnefon 27*6a12446eSNicolas Bonnefon // This class encapsulate Qt's QFileSystemWatcher and additionally support 28*6a12446eSNicolas Bonnefon // watching a file that doesn't exist yet (the class will watch the owning 29*6a12446eSNicolas Bonnefon // directory) 30*6a12446eSNicolas Bonnefon // Only supports one file at the moment. 31*6a12446eSNicolas Bonnefon class QtFileWatcher : public FileWatcher { 32*6a12446eSNicolas Bonnefon Q_OBJECT 33*6a12446eSNicolas Bonnefon 34*6a12446eSNicolas Bonnefon public: 35*6a12446eSNicolas Bonnefon // Create an empty object 36*6a12446eSNicolas Bonnefon QtFileWatcher(); 37*6a12446eSNicolas Bonnefon // Destroy the object 38*6a12446eSNicolas Bonnefon ~QtFileWatcher(); 39*6a12446eSNicolas Bonnefon 40*6a12446eSNicolas Bonnefon // Adds the file to the list of file to watch 41*6a12446eSNicolas Bonnefon // (do nothing if a file is already monitored) 42*6a12446eSNicolas Bonnefon void addFile( const QString& fileName ); 43*6a12446eSNicolas Bonnefon // Removes the file to the list of file to watch 44*6a12446eSNicolas Bonnefon // (do nothing if said file is not monitored) 45*6a12446eSNicolas Bonnefon void removeFile( const QString& fileName ); 46*6a12446eSNicolas Bonnefon 47*6a12446eSNicolas Bonnefon signals: 48*6a12446eSNicolas Bonnefon // Sent when the file on disk has changed in any way. 49*6a12446eSNicolas Bonnefon void fileChanged( const QString& ); 50*6a12446eSNicolas Bonnefon 51*6a12446eSNicolas Bonnefon private slots: 52*6a12446eSNicolas Bonnefon void fileChangedOnDisk( const QString& filename ); 53*6a12446eSNicolas Bonnefon void directoryChangedOnDisk( const QString& filename ); 54*6a12446eSNicolas Bonnefon 55*6a12446eSNicolas Bonnefon private: 56*6a12446eSNicolas Bonnefon enum MonitoringState { None, FileExists, FileRemoved }; 57*6a12446eSNicolas Bonnefon 58*6a12446eSNicolas Bonnefon QFileSystemWatcher qtFileWatcher_; 59*6a12446eSNicolas Bonnefon QString fileMonitored_; 60*6a12446eSNicolas Bonnefon MonitoringState monitoringState_; 61*6a12446eSNicolas Bonnefon }; 62*6a12446eSNicolas Bonnefon 63*6a12446eSNicolas Bonnefon #endif 64