1 files changed, 23 insertions, 0 deletions
diff --git a/RealtimeSync/watcher.h b/RealtimeSync/watcher.h
new file mode 100644
index 00000000..1655eebf
--- /dev/null
+++ b/RealtimeSync/watcher.h
@@ -0,0 +1,23 @@
+#ifndef WATCHER_H_INCLUDED
+#define WATCHER_H_INCLUDED
+
+#include "functions.h"
+#include <vector>
+#include "../shared/fileError.h"
+
+
+namespace RealtimeSync
+{
+    const int UI_UPDATE_INTERVAL = 100; //perform ui updates not more often than necessary, 100 seems to be a good value with only a minimal performance loss
+
+    class WaitCallback
+    {
+    public:
+        virtual ~WaitCallback() {}
+        virtual void requestUiRefresh() = 0; //opportunity to abort must be implemented in a frequently executed method like requestUiRefresh()
+    };
+
+    void waitForChanges(const std::vector<wxString>& dirNames, WaitCallback* statusHandler); //throw(FreeFileSync::FileError);
+}
+
+#endif // WATCHER_H_INCLUDED