libsaria: Automatically rename playlists when added or removed

The one on the top is always numbered "0"

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

include/libsaria/playlist.h

@@ -72,6 +72,7 @@ namespace libsaria
 
 	class Set : public Playlist {
 		public:
+			Set(unsigned int);
 			Set(string, unsigned int);
 			~Set();
 
@@ -82,6 +83,7 @@ namespace libsaria
 
 	class Queue : public Playlist {
 		public:
+			Queue(unsigned int);
 			Queue(string, unsigned int);
 			~Queue();
 
@@ -91,6 +93,7 @@ namespace libsaria
 
 	class List : public Playlist {
 		public:
+			List(unsigned int);
 			List(string, unsigned int);
 			~List();
 

libsaria/playlist/list.cpp

@@ -4,6 +4,10 @@
 namespace libsaria
 {
 
+	List::List(unsigned int flags) : Playlist("List", flags, PLIST_LIST)
+	{
+	}
+
 	List::List(string name, unsigned int flags) : Playlist(name, flags, PLIST_LIST)
 	{
 	}

libsaria/playlist/queue.cpp

@@ -4,6 +4,10 @@
 namespace libsaria
 {
 
+	Queue::Queue(unsigned int flags) : Playlist("Queue", flags, PLIST_QUEUE)
+	{
+	}
+
 	Queue::Queue(string name, unsigned int flags) : Playlist(name, flags, PLIST_QUEUE)
 	{
 	}

libsaria/playlist/set.cpp

@@ -4,6 +4,10 @@
 namespace libsaria
 {
 
+	Set::Set(unsigned int flags) : Playlist("Set", flags, PLIST_SET)
+	{
+	}
+
 	Set::Set(string name, unsigned int flags) : Playlist(name, flags, PLIST_SET)
 	{
 	}

libsaria/playlist/stack.cpp

@@ -15,10 +15,10 @@ static void (*on_new_playlist)(libsaria::Playlist *) = NULL;
 static list<libsaria::Playlist *> playlist_stack;
 static libsaria::List recent_plist("Recent", PL_STATIC | PL_NO_DRAIN);
 
-static string get_next_name()
+static string itoa(unsigned int i)
 {
 	stringstream s;
-	s << next_playlist;
+	s << i;
 	return s.str();
 }
 
@@ -30,6 +30,27 @@ static void list_recent_track(libsaria::Track *track)
 	recent_plist.reset_iterator();
 }
 
+static void rename_playlists()
+{
+	string new_name;
+	list<libsaria::Playlist *>::iterator it = playlist_stack.begin();
+
+	for (unsigned int i = 0; i < (playlist_stack.size() - num_static); i++) {
+		switch ((*it)->get_type()) {
+		case PLIST_SET:
+			new_name = "Set [" + itoa(i) + "]";
+			break;
+		case PLIST_QUEUE:
+			new_name = "Queue [" + itoa(i) + "]";
+			break;
+		case PLIST_LIST:
+			new_name = "List [" + itoa(i) + "]";
+		}
+		(*it)->rename(new_name);
+		it++;
+	}
+}
+
 namespace libsaria
 {
 
@@ -54,6 +75,7 @@ namespace libsaria
 			plist->prepare_for_removal();
 			delete plist;
 			playlist_stack.pop_front();
+			rename_playlists();
 		};
 	}
 
@@ -75,12 +97,13 @@ namespace libsaria
 
 		switch (type) {
 		case PLIST_SET:
-			plist = new Set("Set [" + get_next_name() + "]", PL_NONE);
+			plist = new Set(PL_NONE);
 			break;
 		case PLIST_QUEUE:
-			plist = new Queue("Queue [" + get_next_name() + "]", PL_NONE);
+			plist = new Queue(PL_NONE);
+			break;
 		default:
-			plist = new List("List [" + get_next_name() + "]", PL_NONE);
+			plist = new List(PL_NONE);
 		};
 
 		if (on_new_playlist)
@@ -88,6 +111,7 @@ namespace libsaria
 		plist->add_tracks(tracks);
 
 		stack::push(plist);
+		rename_playlists();
 		next_playlist++;
 	}