libsaria: Playlist knows about the renderer

I plan on using this to fill in each playlist instead of using my
current iterator system.

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

include/libsaria/playlist.h

@@ -19,6 +19,9 @@ enum PlaylistFlags {
 namespace libsaria
 {
 
+	/* Forward declaration of PlaylistRenderer class */
+	class PlaylistRenderer;
+
 	class Playlist {
 		private:
 			unsigned int flags;
@@ -26,6 +29,7 @@ namespace libsaria
 			list<Track *> plist;
 			list<Track *>::iterator it;
 			list<Track *>::iterator cur;
+			PlaylistRenderer *renderer;
 
 			void init_common(string, unsigned int);
 
@@ -39,6 +43,8 @@ namespace libsaria
 			Playlist(string, unsigned int);
 			~Playlist();
 
+			void set_renderer(PlaylistRenderer *);
+
 			void do_load();
 			void do_save();
 			void load();

libsaria/playlist/playlist.cpp

@@ -36,6 +36,11 @@ namespace libsaria
 	{
 	}
 
+	void Playlist::set_renderer(PlaylistRenderer *render)
+	{
+		renderer = render;
+	}
+
 	void Playlist::reload()
 	{
 		plist.clear();

libsaria/playlist/renderer.cpp

@@ -16,6 +16,7 @@ namespace libsaria
 	void PlaylistRenderer::set_playlist(Playlist *plist)
 	{
 		playlist = plist;
+		playlist->set_renderer(this);
 	}
 
 }; /* Namespace: libsaria */