libsaria: Play tracks from the play_list

Rather than finding the id in the LibraryPath lists, I instead find it
in the play_list list and store an iterator to this track.

libsaria/library/library.cpp

@@ -41,15 +41,6 @@ namespace libsaria
 			it->update();
 	}
 
-	void library::play_id(ino_t &id)
-	{
-		list<LibraryPath>::iterator it;
-		for (it = path_list.begin(); it != path_list.end(); it++) {
-			if (it->play_id(id) == true)
-				break;
-		}
-	}
-
 	bool library::get_info(ino_t &id, void (*func)(Track &))
 	{
 		bool found = false;

libsaria/library/list.cpp

@@ -2,9 +2,21 @@
 #include <list>
 using namespace std;
 
+#include <libsaria/audio.h>
+#include <libsaria/print.h>
 #include "library.h"
 
 static list<TrackTag> play_list;
+static list<TrackTag>::iterator cur_track = play_list.end();
+
+static bool find_id(ino_t &inode, list<TrackTag>::iterator &it)
+{
+	for (it = play_list.begin(); it != play_list.end(); it++) {
+		if (it->get_inode() == inode)
+			return true;
+	}
+	return false;
+}
 
 namespace libsaria
 {
@@ -14,6 +26,7 @@ namespace libsaria
 		list<LibraryPath> *path_list = get_path_list();
 		list<LibraryPath>::iterator it;
 		list<TrackTag> *tag_list;
+		list<TrackTag>::iterator i;
 
 		play_list.clear();
 
@@ -21,7 +34,6 @@ namespace libsaria
 			tag_list = it->get_list();
 			play_list.insert(play_list.end(), tag_list->begin(), tag_list->end());
 		}
-		println("Rebuilding play list");
 	}
 
 	void library::for_each(SourceModel *model)
@@ -33,6 +45,15 @@ namespace libsaria
 		}
 	}
 
+	void library::play_id(ino_t &id)
+	{
+		list<TrackTag>::iterator it;
+		if (find_id(id, it)) {
+			cur_track = it;
+			libsaria::audio::load(it->get_filepath());
+		}
+	}
+
 	unsigned int library::size()
 	{
 		return play_list.size();

libsaria/library/path.cpp

@@ -2,7 +2,6 @@
 #include <string>
 using namespace std;
 
-#include <libsaria/audio.h>
 #include <libsaria/library.h>
 #include "library.h"
 
@@ -46,16 +45,6 @@ bool LibraryPath::get_info_id(ino_t &id, void (*func)(Track &))
 	return false;
 }
 
-bool LibraryPath::play_id(ino_t &id)
-{
-	list<TrackTag>::iterator it;
-	it = find_id(id);
-	if (it == file_list.end())
-		return false;
-	libsaria::audio::load(it->get_filepath());
-	return true;
-}
-
 LibraryPath::LibraryPath(string dir)
 {
 	path = dir;