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/*
* Copyright (C) 2014 Christian Mollekopf <chrigi_1@fastmail.fm>
*
* This library 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 2.1 of the License, or (at your option) version 3, or any
* later version accepted by the membership of KDE e.V. (or its
* successor approved by the membership of KDE e.V.), which shall
* act as a proxy defined in Section 6 of version 3 of the license.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <QObject>
#include <functional>
namespace async {
/*
* A helper class to invoke a method in a different thread using the event loop.
* The ThreadBoundary object must live in the thread where the function should be called.
*/
class ThreadBoundary : public QObject {
Q_OBJECT
public:
ThreadBoundary();
virtual ~ThreadBoundary();
//Call in worker thread
void callInMainThread(std::function<void()> f) {
QMetaObject::invokeMethod(this, "runInMainThread", Qt::QueuedConnection, QGenericReturnArgument(), Q_ARG(std::function<void()>, f));
}
public slots:
//Get's called in main thread by it's eventloop
void runInMainThread(std::function<void()> f) {
f();
}
};
}
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