libsaria: Create an idle driver and idle task

Right now both classes are empty, but eventually I will add in support
for creating new idle tasks and for removing tasks from the idle queue.

include/libsaria/idle.h

@@ -0,0 +1,22 @@
+
+#include <queue>
+using namespace std;
+
+class IdleTask
+{
+	public:
+		IdleTask();
+		~IdleTask();
+};
+
+class Idle
+{
+	private:
+		queue<IdleTask> idle_queue;
+
+	public:
+		Idle();
+		~Idle();
+
+		void run_task();
+};

include/libsaria/libsaria.h

@@ -2,6 +2,7 @@
 #define LIBSARIA_H
 
 #include <libsaria/audio.h>
+#include <libsaria/idle.h>
 #include <libsaria/callback.h>
 #include <libsaria/print.h>
 
@@ -9,6 +10,7 @@ class Libsaria
 {
 	private:
 		Audio audio;
+		Idle  idle;
 		void trigger_callback(callback_t);
 
 	public:
@@ -20,6 +22,7 @@ class Libsaria
 		void set_volume(double);
 		double get_volume();
 		void register_callback(callback_t, void (*)());
+		void run_idle_task();
 
 		/* Control functions */
 		void play();
@@ -34,5 +37,6 @@ class Libsaria
 class Libsaria *libsaria_get();
 void libsaria_init(int, char**);
 void libsaria_quit();
+void libsaria_idle_task();
 
 #endif /* LIBSARIA_H */

libsaria/idle/idle.cpp

@@ -0,0 +1,15 @@
+
+#include <libsaria/idle.h>
+
+Idle::Idle()
+{
+}
+
+Idle::~Idle()
+{
+}
+
+void Idle::run_task()
+{
+}
+

libsaria/idle/task.cpp

@@ -0,0 +1,11 @@
+
+#include <libsaria/idle.h>
+
+IdleTask::IdleTask()
+{
+}
+
+IdleTask::~IdleTask()
+{
+}
+

libsaria/libsaria.cpp

@@ -31,6 +31,11 @@ double Libsaria::get_volume()
 	return audio.get_volume();
 }
 
+void Libsaria::run_idle_task()
+{
+	return idle.run_task();
+}
+
 /*
  * Convenience functions for accessing libsaria class functions
  */
@@ -49,3 +54,8 @@ double libsaria_get_volume()
 {
 	return libsaria_get()->get_volume();
 }
+
+void libsaria_idle_task()
+{
+	return libsaria_get()->run_idle_task();
+}