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/************************************************************************
*
* Copyright (C) 2009-2025 IRCAD France
* Copyright (C) 2012-2017 IHU Strasbourg
*
* 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 "core/progress/observer.hpp"
#include "core/progress/monitor.hpp"
namespace sight::core::progress
{
//------------------------------------------------------------------------------
observer::observer(const std::string& _name, std::uint64_t _work_units) :
monitor(_name)
{
m_finish_task = packaged_task(
[this]()
{
core::mt::write_lock lock(m_mutex);
this->finish_no_lock();
});
m_total_work_units = _work_units;
this->add_cancel_hook(
[this]()
{
this->finish();
});
this->run();
}
//------------------------------------------------------------------------------
observer::~observer()
{
this->finish();
}
//------------------------------------------------------------------------------
void observer::finish()
{
core::mt::read_lock lock(m_mutex);
if(m_state == running || m_state == canceling)
{
lock.unlock();
m_finish_task();
}
}
//------------------------------------------------------------------------------
} //namespace sight::core::progress
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