source/fs/filemonitor.h

   1 #ifndef FILEMONITOR_H_
   2 #define FILEMONITOR_H_
   3
   4 #include <msp/core/noncopyable.h>
   5 #include <msp/fs/path.h>
   6 #include <msp/io/eventdispatcher.h>
   7
   8 namespace Msp {
   9 namespace FS {
  10
  11 class FileMonitor: NonCopyable
  12 {
  13 private:
  14         struct Private;
  15
  16         struct MonitoredFile
  17         {
  18                 FS::Path path;
  19                 bool modified = false;
  20                 int tag = -1;
  21         };
  22
  23 public:
  24         sigc::signal<void, const FS::Path &> signal_file_modified;
  25
  26 private:
  27         Private *priv = nullptr;
  28         IO::EventDispatcher *event_disp = nullptr;
  29         std::vector<MonitoredFile> files;
  30
  31 public:
  32         FileMonitor();
  33         ~FileMonitor();
  34
  35         void add_file(const FS::Path &);
  36         void remove_file(const FS::Path &);
  37 private:
  38         void prepare_file(MonitoredFile &);
  39         void cleanup_file(MonitoredFile &);
  40
  41 public:
  42         void use_event_dispatcher(IO::EventDispatcher &);
  43 private:
  44         void platform_use_event_dispatcher();
  45
  46 public:
  47         void tick();
  48         void tick(const Msp::Time::TimeDelta &);
  49 };
  50
  51 } // namespace FS
  52 } // namespace Msp
  53
  54 #endif