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// -*- Mode: C++; indent-tabs-mode: nil; tab-width: 2 -*-
/*
* Copyright (C) 2011 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>
*/
#ifndef UNITY_LENSES_H
#define UNITY_LENSES_H
#include <sigc++/trackable.h>
#include <sigc++/signal.h>
#include "Lens.h"
namespace unity
{
namespace dash
{
class Lenses : public sigc::trackable, boost::noncopyable
{
public:
typedef std::vector<Lens::Ptr> LensList;
/**
* Get the currently loaded Lenses. This is necessary as some of the consumers
* of this object employ a lazy-loading technique to reduce the overhead of
* starting Unity. Therefore, the Lenses may already have been loaded by the time
* the objects have been initiated (and so just connecting to the signals is not
* enough)
*/
virtual LensList GetLenses() const = 0;
virtual Lens::Ptr GetLens(std::string const& lens_id) const = 0;
virtual Lens::Ptr GetLensAtIndex(std::size_t index) const = 0;
nux::ROProperty<std::size_t> count;
sigc::signal<void, Lens::Ptr&> lens_added;
};
}
}
#endif
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