/usr/include/Unity-6.0/UnityCore/Model-inl.h is in libunity-core-6.0-dev 7.2.0+14.04.20140416-0ubuntu1.
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/*
* 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_INL_H
#define UNITY_MODEL_INL_H
#include <NuxCore/Logger.h>
namespace unity
{
namespace dash
{
template<class RowAdaptor>
Model<RowAdaptor>::Model (ModelType model_type)
: model_type_(model_type)
, cached_adaptor1_(nullptr, nullptr, nullptr)
, cached_adaptor2_(nullptr, nullptr, nullptr)
, cached_adaptor3_(nullptr, nullptr, nullptr)
{
Init();
if (model_type == ModelType::LOCAL)
swarm_name = ":local";
}
template<class RowAdaptor>
void Model<RowAdaptor>::Init ()
{
swarm_name.changed.connect(sigc::mem_fun(this, &Model<RowAdaptor>::OnSwarmNameChanged));
count.SetGetterFunction(std::bind(&Model<RowAdaptor>::get_count, this));
seqnum.SetGetterFunction(std::bind(&Model<RowAdaptor>::get_seqnum, this));
model.SetGetterFunction(std::bind(&Model<RowAdaptor>::get_model, this));
}
template<class RowAdaptor>
void Model<RowAdaptor>::OnSwarmNameChanged(std::string const& swarm_name)
{
static nux::logging::Logger local_logger("unity.dash.model");
LOG_DEBUG(local_logger) << "New swarm name: " << swarm_name;
glib::Object<DeeModel> new_model;
switch(model_type_)
{
case ModelType::LOCAL:
new_model = dee_sequence_model_new();
break;
case ModelType::REMOTE:
case ModelType::REMOTE_SHARED:
new_model = dee_shared_model_new(swarm_name.c_str());
break;
case ModelType::UNATTACHED:
break;
default:
LOG_ERROR(local_logger) << "Unexpected ModelType " << model_type_;
break;
}
SetModel(new_model);
}
template<class RowAdaptor>
void Model<RowAdaptor>::SetModel(glib::Object<DeeModel> const& new_model)
{
GetDeeTagFunc func = [](glib::Object<DeeModel> const& model) {
return dee_model_register_tag(model, NULL);
};
SetModel(new_model, func);
}
template<class RowAdaptor>
void Model<RowAdaptor>::SetModel(glib::Object<DeeModel> const& new_model, GetDeeTagFunc const& get_dee_tag_func)
{
typedef glib::Signal<void, DeeModel*, guint64, guint64> TransactionSignalType;
typedef glib::Signal<void, DeeModel*, DeeModelIter*> RowSignalType;
// Check if it's the same as the current model.
if (new_model == model_)
return;
// Let the views clean up properly
if (model_)
{
dee_model_clear(model_);
sig_manager_.Disconnect(model_);
model_.Release();
}
model_ = new_model;
if (!model_)
return;
switch(model_type_)
{
case ModelType::REMOTE_SHARED:
sig_manager_.Add(new TransactionSignalType(model_,
"begin-transaction",
sigc::mem_fun(this, &Model<RowAdaptor>::OnTransactionBegin)));
sig_manager_.Add(new TransactionSignalType(model_,
"end-transaction",
sigc::mem_fun(this, &Model<RowAdaptor>::OnTransactionEnd)));
break;
case ModelType::REMOTE:
case ModelType::LOCAL:
case ModelType::UNATTACHED:
default:
break;
}
renderer_tag_ = get_dee_tag_func(model_);
sig_manager_.Add(new RowSignalType(model_,
"row-added",
sigc::mem_fun(this, &Model<RowAdaptor>::OnRowAdded)));
sig_manager_.Add(new RowSignalType(model_,
"row-changed",
sigc::mem_fun(this, &Model<RowAdaptor>::OnRowChanged)));
sig_manager_.Add(new RowSignalType(model_,
"row-removed",
sigc::mem_fun(this, &Model<RowAdaptor>::OnRowRemoved)));
model.EmitChanged(model_);
// if the model wasn't empty emit row-added signals for all the rows
DeeModelIter* iter = dee_model_get_first_iter(model_);
DeeModelIter* end_iter = dee_model_get_last_iter(model_);
while (iter != end_iter)
{
OnRowAdded(model_, iter);
iter = dee_model_next(model_, iter);
}
}
template<class RowAdaptor>
Model<RowAdaptor>::~Model()
{}
template<class RowAdaptor>
void Model<RowAdaptor>::OnRowAdded(DeeModel* model, DeeModelIter* iter)
{
// careful here - adding rows to the model inside the callback
// will invalidate the cached_adaptor!
// This needs to be used as a listener only!
cached_adaptor1_.SetTarget(model, iter, renderer_tag_);
row_added.emit(cached_adaptor1_);
}
template<class RowAdaptor>
void Model<RowAdaptor>::OnRowChanged(DeeModel* model, DeeModelIter* iter)
{
// careful here - changing rows inside the callback will invalidate
// the cached_adaptor!
// This needs to be used as a listener only!
cached_adaptor2_.SetTarget(model, iter, renderer_tag_);
row_changed.emit(cached_adaptor2_);
}
template<class RowAdaptor>
void Model<RowAdaptor>::OnRowRemoved(DeeModel* model, DeeModelIter* iter)
{
// careful here - removing rows from the model inside the callback
// will invalidate the cached_adaptor!
// This needs to be used as a listener only!
cached_adaptor3_.SetTarget(model, iter, renderer_tag_);
row_removed.emit(cached_adaptor3_);
}
template<class RowAdaptor>
void Model<RowAdaptor>::OnTransactionBegin(DeeModel* model, guint64 begin_seqnum64, guint64 end_seqnum64)
{
uint64_t begin_seqnum, end_seqnum;
begin_seqnum = static_cast<uint64_t> (begin_seqnum64);
end_seqnum = static_cast<uint64_t> (end_seqnum64);
begin_transaction.emit(begin_seqnum, end_seqnum);
}
template<class RowAdaptor>
void Model<RowAdaptor>::OnTransactionEnd(DeeModel* model, guint64 begin_seqnum64, guint64 end_seqnum64)
{
uint64_t begin_seqnum, end_seqnum;
begin_seqnum = static_cast<uint64_t> (begin_seqnum64);
end_seqnum = static_cast<uint64_t> (end_seqnum64);
end_transaction.emit(begin_seqnum, end_seqnum);
}
template<class RowAdaptor>
const RowAdaptor Model<RowAdaptor>::RowAtIndex(std::size_t index) const
{
RowAdaptor it(model_,
dee_model_get_iter_at_row(model_, index),
renderer_tag_);
return it;
}
template<class RowAdaptor>
DeeModelTag* Model<RowAdaptor>::GetTag() const
{
return renderer_tag_;
}
template<class RowAdaptor>
std::size_t Model<RowAdaptor>::get_count() const
{
if (model_)
return dee_model_get_n_rows(model_);
else
return 0;
}
template<class RowAdaptor>
uint64_t Model<RowAdaptor>::get_seqnum() const
{
if (model_ && DEE_IS_SERIALIZABLE_MODEL ((DeeModel*) model_))
return dee_serializable_model_get_seqnum(model_);
else
return 0;
}
template<class RowAdaptor>
glib::Object<DeeModel> Model<RowAdaptor>::get_model() const
{
return model_;
}
}
}
#endif
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