libsaria: Track play count

I've had a library field for this for a while, but I haven't been using
it.

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

include/libsaria/audio.h

@@ -41,6 +41,7 @@ namespace libsaria
 		gint64 position();
 		string posstr();
 		string durstr();
+		bool played();
 
 		/* Volume functions */
 		/*float get_volume();

include/libsaria/library.h

@@ -38,6 +38,7 @@ namespace libsaria
 		void add_path(string);
 		void delete_path(Path *);
 		void update_path(Path *);
+		void save_path(Path *);
 		Track *lookup(unsigned int, unsigned int);
 		Playlist *get_playlist();
 

include/libsaria/track.h

@@ -35,6 +35,7 @@ namespace libsaria
 			string *artist_lc;
 			string *album_lc;
 			void read_tags();
+			void mark_played();
 
 		public:
 			Track();

libsaria/audio/progress.cpp

@@ -99,4 +99,9 @@ namespace libsaria
 		return to_string(position());
 	}
 
+	bool audio::played()
+	{
+		return position() > ((duration() * 3) / 4);
+	}
+
 };

libsaria/library/file.cpp

@@ -37,7 +37,7 @@ static void do_save_path(ofstream &stream, void *data)
 		(*it).save(stream);
 }
 
-void save_path(libsaria::library::Path *path)
+void libsaria::library::save_path(libsaria::library::Path *path)
 {
 	string filepath = libdir + "/" + id_to_filename(path->id);
 	libsaria::app::save(filepath, do_save_path, &path->data_state, path);

libsaria/library/library.h

@@ -8,7 +8,6 @@ extern libsaria::Set lib_playlist;
 
 void do_update_path(struct libsaria::library::Path *);
 void notify_path_updated(struct libsaria::library::Path *);
-void save_path(struct libsaria::library::Path *);
 libsaria::library::Path *push_path(libsaria::library::Path &);
 unsigned int schedule_load();
 void remove_file(libsaria::library::Path *);

libsaria/track/track.cpp

@@ -143,9 +143,22 @@ namespace libsaria
 	{
 	}
 
+	void Track::mark_played()
+	{
+		if (audio::played()) {
+			count++;
+			path->data_state = DIRTY;
+			libsaria::library::save_path(path);
+		}
+	}
+
 	void Track::load(bool play)
 	{
+		if (cur)
+			cur->mark_played();
+
 		println("Loading: " + title + " by " + artist);
+
 		if (path) {
 			prefs::set("libsaria.current.library", path->id);
 			prefs::set("libsaria.current.track", id);