libsaria: Create a function for reloading a playlist

I don't think I'll need this once I implement dynamic, stackable
playlists, but for now I need a way of scheduling the idle task.

Signed-off-by: Bryan Schumaker <bjschuma@gmail.com>

include/libsaria/playlist.h

@@ -43,6 +43,7 @@ namespace libsaria
 			void do_save();
 			void load();
 			void save();
+			void reload();
 
 			void add_ids(list<sid_t> &);
 			void add_track(Track *);

libsaria/playlist/playlist.cpp

@@ -18,12 +18,13 @@ namespace libsaria
 		filename = file;
 		flags = options;
 		cur = plist.end();
+		it = plist.end();
+		load();
 	}
 
 	Playlist::Playlist(string file, unsigned int options)
 	{
 		init_common(file, options);
-		load();
 	}
 
 	Playlist::Playlist(unsigned int options)
@@ -35,6 +36,12 @@ namespace libsaria
 	{
 	}
 
+	void Playlist::reload()
+	{
+		plist.clear();
+		init_common(filename, flags);
+	}
+
 	void Playlist::add_ids(list<sid_t> &ids)
 	{
 		list<sid_t>::iterator it;

libsaria/queue/queue.cpp

@@ -45,6 +45,7 @@ namespace libsaria
 	void queue::load()
 	{
 		IOTask *task = new IOTask(refresh);
+		q_queue.reload();
 		task->queue();
 	}