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#pragma once
#include "animvalue.hh"
#include "fs.hh"
#include "song.hh"
#include <boost/shared_ptr.hpp>
#include <boost/scoped_ptr.hpp>
#include <boost/thread/mutex.hpp>
#include <boost/thread/thread.hpp>
#include <set>
#include <vector>
/// songs class for songs screen
class Backgrounds: boost::noncopyable {
public:
/// constructor
Backgrounds(): m_bgiter(0), m_dirty(false), m_loading(false)
{
reload();
}
~Backgrounds() {
m_loading = false; // Terminate loading if currently in progress
m_thread->join();
}
/// reloads backgrounds list
void reload();
/// array access
std::string& operator[](std::size_t pos) { return m_bgs.at(pos); }
/// number of backgrounds
int size() const { return m_bgs.size(); };
/// true if empty
int empty() const { return m_bgs.empty(); };
/// returns random background
std::string getRandom();
private:
typedef std::vector<std::string> BGVector;
BGVector m_bgs;
int m_bgiter;
void reload_internal();
void reload_internal(fs::path const& p);
volatile bool m_dirty;
volatile bool m_loading;
boost::scoped_ptr<boost::thread> m_thread;
mutable boost::mutex m_mutex;
};
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