xref: /glogg/src/platformfilewatcher.h (revision 84b2179eb3774e43dfb52da96116070d4545d8c7)
1*84b2179eSNicolas Bonnefon /*
2*84b2179eSNicolas Bonnefon  * Copyright (C) 2014 Nicolas Bonnefon and other contributors
3*84b2179eSNicolas Bonnefon  *
4*84b2179eSNicolas Bonnefon  * This file is part of glogg.
5*84b2179eSNicolas Bonnefon  *
6*84b2179eSNicolas Bonnefon  * glogg is free software: you can redistribute it and/or modify
7*84b2179eSNicolas Bonnefon  * it under the terms of the GNU General Public License as published by
8*84b2179eSNicolas Bonnefon  * the Free Software Foundation, either version 3 of the License, or
9*84b2179eSNicolas Bonnefon  * (at your option) any later version.
10*84b2179eSNicolas Bonnefon  *
11*84b2179eSNicolas Bonnefon  * glogg is distributed in the hope that it will be useful,
12*84b2179eSNicolas Bonnefon  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13*84b2179eSNicolas Bonnefon  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14*84b2179eSNicolas Bonnefon  * GNU General Public License for more details.
15*84b2179eSNicolas Bonnefon  *
16*84b2179eSNicolas Bonnefon  * You should have received a copy of the GNU General Public License
17*84b2179eSNicolas Bonnefon  * along with glogg.  If not, see <http://www.gnu.org/licenses/>.
18*84b2179eSNicolas Bonnefon  */
19*84b2179eSNicolas Bonnefon 
20*84b2179eSNicolas Bonnefon #ifndef PLATFORMFILEWATCHER_H
21*84b2179eSNicolas Bonnefon #define PLATFORMFILEWATCHER_H
22*84b2179eSNicolas Bonnefon 
23*84b2179eSNicolas Bonnefon #include "filewatcher.h"
24*84b2179eSNicolas Bonnefon 
25*84b2179eSNicolas Bonnefon #include <memory>
26*84b2179eSNicolas Bonnefon 
27*84b2179eSNicolas Bonnefon #include "watchtower.h"
28*84b2179eSNicolas Bonnefon 
29*84b2179eSNicolas Bonnefon // An implementation of FileWatcher, as an adapter to INotifyWatchTower.
30*84b2179eSNicolas Bonnefon // This is Linux only, and require a recent version of the kernel.
31*84b2179eSNicolas Bonnefon 
32*84b2179eSNicolas Bonnefon // Please note that due to the implementation of the constructor
33*84b2179eSNicolas Bonnefon // this class is not thread safe and shall always be used from the main UI thread.
34*84b2179eSNicolas Bonnefon class PlatformFileWatcher : public FileWatcher {
35*84b2179eSNicolas Bonnefon   Q_OBJECT
36*84b2179eSNicolas Bonnefon 
37*84b2179eSNicolas Bonnefon   public:
38*84b2179eSNicolas Bonnefon     // Create the empty object
39*84b2179eSNicolas Bonnefon     PlatformFileWatcher();
40*84b2179eSNicolas Bonnefon     // Destroy the object
41*84b2179eSNicolas Bonnefon     ~PlatformFileWatcher() override;
42*84b2179eSNicolas Bonnefon 
43*84b2179eSNicolas Bonnefon     void addFile( const QString& fileName ) override;
44*84b2179eSNicolas Bonnefon     void removeFile( const QString& fileName ) override;
45*84b2179eSNicolas Bonnefon 
46*84b2179eSNicolas Bonnefon   signals:
47*84b2179eSNicolas Bonnefon     void fileChanged( const QString& );
48*84b2179eSNicolas Bonnefon 
49*84b2179eSNicolas Bonnefon   private:
50*84b2179eSNicolas Bonnefon     // The following variables are protected by watched_files_mutex_
51*84b2179eSNicolas Bonnefon     QString watched_file_name_;
52*84b2179eSNicolas Bonnefon 
53*84b2179eSNicolas Bonnefon     // Reference to the (unique) watchtower.
54*84b2179eSNicolas Bonnefon     static std::shared_ptr<WatchTower> watch_tower_;
55*84b2179eSNicolas Bonnefon 
56*84b2179eSNicolas Bonnefon     std::shared_ptr<WatchTower::Registration> notification_;
57*84b2179eSNicolas Bonnefon };
58*84b2179eSNicolas Bonnefon 
59*84b2179eSNicolas Bonnefon #endif
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