// rTorrent - BitTorrent client
// Copyright (C) 2005-2007, Jari Sundell
//
// 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
// In addition, as a special exception, the copyright holders give
// permission to link the code of portions of this program with the
// OpenSSL library under certain conditions as described in each
// individual source file, and distribute linked combinations
// including the two.
//
// You must obey the GNU General Public License in all respects for
// all of the code used other than OpenSSL.  If you modify file(s)
// with this exception, you may extend this exception to your version
// of the file(s), but you are not obligated to do so.  If you do not
// wish to do so, delete this exception statement from your version.
// If you delete this exception statement from all source files in the
// program, then also delete it here.
//
// Contact:  Jari Sundell <jaris@ifi.uio.no>
//
//           Skomakerveien 33
//           3185 Skoppum, NORWAY

#ifndef RTORRENT_CORE_VIEW_MANAGER_H
#define RTORRENT_CORE_VIEW_MANAGER_H

#include <map>
#include <cstring>
#include <string>
#include <rak/unordered_vector.h>

#include "view.h"

namespace core {

struct view_manager_comp : public std::binary_function<const char*, const char*, bool> {
  bool operator () (const char* arg1, const char* arg2) const { return std::strcmp(arg1, arg2) < 0; }
};

class ViewSort;

class ViewManager : public rak::unordered_vector<View*> {
public:
  typedef rak::unordered_vector<View*> base_type;

  typedef std::map<const char*, ViewSort*, view_manager_comp> sort_map;
  typedef View::sort_list                       sort_list;
  typedef std::list<std::string>                sort_args;
  
  typedef std::map<const char*, ViewFilter*, view_manager_comp> filter_map;
  typedef View::filter_list                     filter_list;
  typedef std::list<std::string>                filter_args;
  
  using base_type::iterator;
  using base_type::const_iterator;
  using base_type::reverse_iterator;
  using base_type::const_reverse_iterator;
  
  using base_type::size_type;

  using base_type::begin;
  using base_type::end;
  using base_type::rbegin;
  using base_type::rend;

  using base_type::empty;
  using base_type::size;

  ViewManager(DownloadList* dl);
  ~ViewManager() { clear(); }

  // Ffff... Just throwing together an interface, need to think some
  // more on this.

  void                clear();

  iterator            insert(const std::string& name);
  void                insert_throw(const std::string& name) { insert(name); }

  // When erasing, just 'disable' the view so that the users won't
  // suddenly find their pointer dangling?

  iterator            find(const std::string& name);
  iterator            find_throw(const std::string& name);

  // If View::last_changed() is less than 'timeout' seconds ago, don't
  // sort.
  //
  // Find a better name for 'timeout'.
  void                sort(const std::string& name, uint32_t timeout = 0);

  void                set_sort_new(const std::string& name, const sort_args& sort);
  void                set_sort_current(const std::string& name, const sort_args& sort);

  void                set_filter(const std::string& name, const filter_args& args);
  void                set_filter_on(const std::string& name, const filter_args& args);

private:
  inline sort_list    build_sort_list(const sort_args& args);
  inline filter_list  build_filter_list(const sort_args& args);

  DownloadList*       m_list;

  sort_map            m_sort;
  filter_map          m_filter;
};

}

#endif