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/*
Copyright (c) 2015 Christian Mollekopf <mollekopf@kolabsys.com>
This library is free software; you can redistribute it and/or modify it
under the terms of the GNU Library General Public License as published by
the Free Software Foundation; either version 2 of the License, or (at your
option) any later version.
This library 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 Library General Public
License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
*/
#pragma once
#include <KAsync/Async>
#include <QtConcurrent/QtConcurrentRun>
#include <QFuture>
#include <QFutureWatcher>
namespace async {
template <typename T>
KAsync::Job<T> run(const std::function<T()> &f, bool runAsync = true)
{
if (runAsync) {
return KAsync::start<T>([f](KAsync::Future<T> &future) {
auto result = QtConcurrent::run(f);
auto watcher = new QFutureWatcher<T>;
watcher->setFuture(result);
QObject::connect(watcher, &QFutureWatcher<T>::finished, watcher, [&future, watcher]() {
future.setValue(watcher->future().result());
delete watcher;
future.setFinished();
});
});
} else {
return KAsync::start<T>([f]() {
return f();
});
}
}
}
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