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// -*- Mode: C++; indent-tabs-mode: nil; tab-width: 2 -*-
/*
* Copyright (C) 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: Mikkel Kamstrup Erlandsen <mikkel.kamstrup@canonical.com>
*/
#ifndef UNITY_HOME_LENS_H
#define UNITY_HOME_LENS_H
#include <vector>
#include <memory>
#include <sigc++/signal.h>
#include <sigc++/trackable.h>
#include "Lenses.h"
#include "Lens.h"
namespace unity
{
namespace dash
{
/**
* A special Lens implementation that merges together a set of source Lens
* instances.
*
* NOTE: Changes in the filter models are currently not propagated back to the
* the source lenses. If we want to support filters on the dash home
* screen this needs to be addressed.
*/
class HomeLens : public Lens, public Lenses
{
public:
typedef std::shared_ptr<HomeLens> Ptr;
/* Specifies mode for category merging */
enum MergeMode
{
DISPLAY_NAME,
OWNER_LENS
};
/**
* Should be constructed with i18n arguments:
* _("Home"), _("Home screen"), _("Search")
*/
HomeLens(std::string const& name,
std::string const& description,
std::string const& search_hint,
MergeMode merge_mode = MergeMode::OWNER_LENS);
virtual ~HomeLens();
void AddLenses(Lenses& lenses);
Lenses::LensList GetLenses() const;
Lens::Ptr GetLens(std::string const& lens_id) const;
Lens::Ptr GetLensAtIndex(std::size_t index) const;
void GlobalSearch(std::string const& search_string);
void Search(std::string const& search_string);
void Activate(std::string const& uri);
void Preview(std::string const& uri);
std::vector<unsigned> GetCategoriesOrder();
glib::Object<DeeModel> GetFilterModelForCategory(unsigned category);
private:
class Impl;
class ModelMerger;
class ResultsMerger;
class CategoryMerger;
class FiltersMerger;
class CategoryRegistry;
Impl* pimpl;
};
}
}
#endif
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