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// -*- Mode: C++; indent-tabs-mode: nil; tab-width: 2 -*-
/*
* Copyright (C) 2010-2012 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* 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, see <http://www.gnu.org/licenses/>.
*
* Authored by: Neil Jagdish Patel <neil.patel@canonical.com>
* Marco Trevisan <marco.trevisan@canonical.com>
*/
#ifndef UNITY_FAVORITE_STORE_H
#define UNITY_FAVORITE_STORE_H
#include <list>
#include <string>
#include <boost/utility.hpp>
#include <sigc++/signal.h>
namespace unity
{
// An abstract object that facilitates getting and modifying the list of favorites
// Use GetDefault () to get the correct store for the session
typedef std::list<std::string> FavoriteList;
class FavoriteStore : public sigc::trackable, boost::noncopyable
{
public:
FavoriteStore();
virtual ~FavoriteStore();
static FavoriteStore& Instance();
virtual FavoriteList const& GetFavorites() const = 0;
// These will NOT emit the relevant signals, so bare that in mind
// i.e. don't hope that you can add stuff and hook the view up to
// favorite_added events to update the view. The signals only emit if
// there has been a change on the GSettings object from an external
// source
virtual void AddFavorite(std::string const& icon_uri, int position) = 0;
virtual void RemoveFavorite(std::string const& icon_uri) = 0;
virtual void MoveFavorite(std::string const& icon_uri, int position) = 0;
virtual bool IsFavorite(std::string const& icon_uri) const = 0;
virtual int FavoritePosition(std::string const& icon_uri) const = 0;
virtual void SetFavorites(FavoriteList const& icon_uris) = 0;
// Signals
// These only emit if something has changed the GSettings object externally
//icon_uri, position, before/after
sigc::signal<void, std::string const&, std::string const&, bool> favorite_added;
//icon_uri
sigc::signal<void, std::string const&> favorite_removed;
sigc::signal<void> reordered;
static const std::string URI_PREFIX_APP;
static const std::string URI_PREFIX_FILE;
static const std::string URI_PREFIX_DEVICE;
static const std::string URI_PREFIX_UNITY;
static bool IsValidFavoriteUri(std::string const& uri);
protected:
std::string ParseFavoriteFromUri(std::string const& uri) const;
};
}
#endif // FAVORITE_STORE_H
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