libsaria: Rename UpdateTask to ScanTask

I feel that ScanTask is a better name

libsaria/library/path.h

@@ -15,19 +15,18 @@ class LibraryPath
 		LibraryPath(string);
 		~LibraryPath();
 
-		void set_dir(string);
 		void update();
 };
 
-class UpdateTask : public IdleTask
+class ScanTask : public IdleTask
 {
 	private:
-		LibraryPath *path;
+		string library;
 		string dir;
 
 	public:
-		UpdateTask(LibraryPath *, string);
-		~UpdateTask();
+		ScanTask(string, string);
+		~ScanTask();
 		void run_task();
 };
 

libsaria/library/update.cpp

@@ -20,20 +20,25 @@ void Library::update_path(string dir)
 
 void LibraryPath::update()
 {
-	UpdateTask *task = new UpdateTask(this, path);
+	ScanTask *task = new ScanTask(path, path);
 	libsaria_queue_task(task);
 }
 
-UpdateTask::UpdateTask(LibraryPath *lib_path, string scan_dir)
+ScanTask::ScanTask(string base_dir, string scan_dir)
 {
-	path = lib_path;
-	dir  = scan_dir;
+	library = base_dir;
+	dir     = scan_dir;
 }
 
-UpdateTask::~UpdateTask()
+ScanTask::~ScanTask()
 {
 }
 
-void UpdateTask::run_task()
+/*
+ * 1) Read a directory
+ * 2) Create and queue a new UpdateTask for each subdirectory
+ * 3) Find tags for each music file
+ */
+void ScanTask::run_task()
 {
 }