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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_MODEL_H
#define UNITY_MODEL_H
#include <boost/noncopyable.hpp>
#include <dee.h>
#include <memory>
#include <NuxCore/Property.h>
#include <sigc++/trackable.h>
#include "GLibSignal.h"
#include "GLibWrapper.h"
#include "ModelRowAdaptor.h"
namespace unity
{
namespace dash
{
enum ModelType
{
REMOTE,
LOCAL
};
/* This template class encapsulates the basics of talking to a DeeSharedModel,
* however it is a template as you can choose your own RowAdaptor (see
* ResultsRowAdaptor.h for an example) which then presents the data in the rows
* in a instance-specific way.
*/
template<class RowAdaptor>
class Model : public sigc::trackable, boost::noncopyable
{
public:
typedef std::shared_ptr<Model> Ptr;
Model();
Model (ModelType model_type);
virtual ~Model();
const RowAdaptor RowAtIndex(std::size_t index);
nux::Property<std::string> swarm_name;
nux::ROProperty<std::size_t> count;
nux::ROProperty<unsigned long long> seqnum;
nux::ROProperty<glib::Object<DeeModel>> model;
sigc::signal<void, RowAdaptor&> row_added;
sigc::signal<void, RowAdaptor&> row_changed;
sigc::signal<void, RowAdaptor&> row_removed;
sigc::signal<void, unsigned long long, unsigned long long> begin_transaction;
sigc::signal<void, unsigned long long, unsigned long long> end_transaction;
private:
void Init();
void OnRowAdded(DeeModel* model, DeeModelIter* iter);
void OnRowChanged(DeeModel* model, DeeModelIter* iter);
void OnRowRemoved(DeeModel* model, DeeModelIter* iter);
void OnTransactionBegin(DeeModel* model, guint64 begin_seq, guint64 end_seq);
void OnTransactionEnd(DeeModel* model, guint64 begin_seq, guint64 end_seq);
void OnSwarmNameChanged(std::string const& swarm_name);
std::size_t get_count();
unsigned long long get_seqnum();
glib::Object<DeeModel> get_model();
private:
glib::Object<DeeModel> model_;
glib::SignalManager sig_manager_;
DeeModelTag* renderer_tag_;
ModelType model_type_;
};
}
}
#include "Model-inl.h"
#endif
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