1 /* 2 * Copyright (C) 2014 Nicolas Bonnefon and other contributors 3 * 4 * This file is part of glogg. 5 * 6 * glogg is free software: you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation, either version 3 of the License, or 9 * (at your option) any later version. 10 * 11 * glogg is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with glogg. If not, see <http://www.gnu.org/licenses/>. 18 */ 19 20 #ifndef PLATFORMFILEWATCHER_H 21 #define PLATFORMFILEWATCHER_H 22 23 #include "filewatcher.h" 24 25 #include <memory> 26 27 #include "watchtower.h" 28 29 class INotifyWatchTower; 30 31 // An implementation of FileWatcher, as an adapter to INotifyWatchTower. 32 // This is Linux only, and require a recent version of the kernel. 33 34 // Please note that due to the implementation of the constructor 35 // this class is not thread safe and shall always be used from the main UI thread. 36 class PlatformFileWatcher : public FileWatcher { 37 Q_OBJECT 38 39 public: 40 // Create the empty object 41 PlatformFileWatcher(); 42 // Destroy the object 43 ~PlatformFileWatcher() override; 44 45 void addFile( const QString& fileName ) override; 46 void removeFile( const QString& fileName ) override; 47 48 signals: 49 void fileChanged( const QString& ); 50 51 private: 52 using PlatformWatchTower = WatchTower<INotifyWatchTowerDriver>; 53 54 // The following variables are protected by watched_files_mutex_ 55 QString watched_file_name_; 56 57 // Reference to the (unique) watchtower. 58 static std::shared_ptr<PlatformWatchTower> watch_tower_; 59 60 std::shared_ptr<Registration> notification_; 61 }; 62 63 #endif 64