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/*
IMMS: Intelligent Multimedia Management System
Copyright (C) 2001-2009 Michael Grigoriev
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef __PICKER_H
#define __PICKER_H
#include <string>
#include <list>
#include <vector>
#include "immsconf.h"
#include "fetcher.h"
class SongPicker : protected InfoFetcher
{
public:
SongPicker();
virtual int select_next();
virtual void playlist_ready() { playlist_known = 1; }
virtual void playlist_changed(int length);
void request_reschedule() { reschedule_requested = 2; }
protected:
bool add_candidate(bool urgent = false);
void revalidate_current(int pos, const std::string &path);
bool do_events();
void reset();
// To be implemented in Imms
virtual void reset_selection() = 0;
virtual void request_playlist_item(int index) = 0;
virtual void get_metacandidates(int size) = 0;
SongData current;
std::vector<int> metacandidates;
private:
void get_related(int pivot_sid, int limit);
bool selection_ready;
int reschedule_requested;
int acquired, attempts, playlist_known;
SongData winner;
typedef std::list<SongData> Candidates;
Candidates candidates;
};
#endif
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