Add a class for monitoring changes in files

[libs/core.git] / source / fs / filemonitor.h

diff --git a/source/fs/filemonitor.h b/source/fs/filemonitor.h
new file mode 100644 (file)
index 0000000..e96aff6
--- /dev/null
+++ b/source/fs/filemonitor.h
@@ -0,0 +1,55 @@
+#ifndef FILEMONITOR_H_
+#define FILEMONITOR_H_
+
+#include <msp/core/noncopyable.h>
+#include <msp/fs/path.h>
+#include <msp/io/eventdispatcher.h>
+#include <msp/io/eventobject.h>
+
+namespace Msp {
+namespace FS {
+
+class FileMonitor: NonCopyable
+{
+private:
+       struct Private;
+
+       struct MonitoredFile
+       {
+               FS::Path path;
+               bool modified;
+               int tag;
+       };
+
+public:
+       sigc::signal<void, const FS::Path &> signal_file_modified;
+
+private:
+       Private *priv;
+       IO::EventDispatcher *event_disp;
+       std::vector<MonitoredFile> files;
+
+public:
+       FileMonitor();
+       ~FileMonitor();
+
+       void add_file(const FS::Path &);
+       void remove_file(const FS::Path &);
+private:
+       void prepare_file(MonitoredFile &);
+       void cleanup_file(MonitoredFile &);
+
+public:
+       void use_event_dispatcher(IO::EventDispatcher &);
+private:
+       void platform_use_event_dispatcher();
+
+public:
+       void tick();
+       void tick(const Msp::Time::TimeDelta &);
+};
+
+} // namespace FS
+} // namespace Msp
+
+#endif