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/************************************************************************
*
* Copyright (C) 2024-2025 IRCAD France
*
* This file is part of Sight.
*
* Sight is free software: you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Sight 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Sight. If not, see <https://www.gnu.org/licenses/>.
*
***********************************************************************/
#include "long_job.hpp"
#include <core/com/signal.hpp>
#include <core/com/signal.hxx>
#include <core/progress/aggregator.hpp>
#include <core/progress/observer.hpp>
#include <atomic>
namespace ex_progress_bar
{
static std::atomic_uint64_t job_id {0};
long_job::long_job() noexcept :
has_monitors(m_signals)
{
}
//------------------------------------------------------------------------------
void long_job::starting()
{
}
//------------------------------------------------------------------------------
void long_job::stopping()
{
}
//------------------------------------------------------------------------------
void long_job::configuring()
{
m_cancelable = this->get_config().get<bool>("config.<xmlattr>.cancellable", m_cancelable);
}
//------------------------------------------------------------------------------
void long_job::updating()
{
std::atomic_bool cancelled {false};
const auto real_long_job = std::make_shared<sight::core::progress::observer>(
"Long job "
+ std::to_string(job_id.fetch_add(1))
);
real_long_job->set_cancelable(m_cancelable);
// Manage the cancellation.
if(m_cancelable)
{
real_long_job->add_cancel_hook(
[&cancelled]()
{
cancelled.store(true);
});
}
// Emit signal to notify the job creation.
this->async_emit(has_monitors::signals::MONITOR_CREATED, real_long_job->get_sptr());
for(std::uint64_t i = 1 ; i <= 100 ; ++i)
{
if(real_long_job->cancel_requested() || cancelled.load())
{
return;
}
std::this_thread::sleep_for(std::chrono::milliseconds(50));
real_long_job->done_work(i);
}
real_long_job->done();
}
} // namespace ex_progress_bar.
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