File indexing completed on 2024-05-12 05:28:16 

0001 // SPDX-FileCopyrightText: 2017 Christian Mollekopf <mollekopf@kolabsys.com>
0002 // SPDX-License-Identifier: LGPL-2.0-or-later
0003 
0004 #pragma once
0005 
0006 #include <QFuture>
0007 #include <QFutureWatcher>
0008 #include <QPointer>
0009 #include <QtConcurrent/QtConcurrentRun>
0010 
0011 template<typename T>
0012 void asyncRun(QObject *object, std::function<T()> run, std::function<void(T)> continuation)
0013 {
0014     auto guard = QPointer<QObject>{object};
0015     auto future = QtConcurrent::run(run);
0016     auto watcher = new QFutureWatcher<T>;
0017     QObject::connect(watcher, &QFutureWatcher<T>::finished, watcher, [watcher, continuation, guard]() {
0018         if (guard) {
0019             continuation(watcher->future().result());
0020         }
0021         delete watcher;
0022     });
0023     watcher->setFuture(future);
0024 }