basic bits of new file list sharing system

libretroshare/src/file_sharing/p3filelists.h

@@ -0,0 +1,29 @@
+// This class is responsible for
+//		- maintaining a list of shared file hierarchies for each known friends
+//		- talking to the GUI
+//			- providing handles for the directory tree listing GUI
+//			- providing search handles for FT
+//		- keeping these lists up to date
+//		- sending our own file list to friends depending on the defined access rights
+//		- serving file search requests from other services such as file transfer
+//
+//	p3FileList does the following micro-tasks:
+//		- tick the watchers
+//		- get incoming info from the service layer, which can be:
+//			- directory content request => the directory content is shared to the friend
+//			- directory content         => the directory watcher is notified
+//		- keep two queues of update requests: 
+//			- fast queue that is handled in highest priority. This one is used for e.g. updating while browsing.
+//			- slow queue that is handled slowly. Used in background update of shared directories.
+//
+// The file lists are not directry updated. A FileListWatcher class is responsible for this
+// in every case. 
+//
+class p3FileLists: public p3Service
+{
+	public:
+		p3FileLists() ;
+
+
+};
+