Use KAsync::Job as abstraction for the threading implementation

1 files changed, 42 insertions, 0 deletions

diff --git a/common/asyncutils.h b/common/asyncutils.h
new file mode 100644
index 0000000..ddcc37c
--- /dev/null
+++ b/common/asyncutils.h
@@ -0,0 +1,42 @@
+/*
+    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 <Async/Async>
+#include <QtConcurrent/QtConcurrentRun>
+#include <QFuture>
+#include <QFutureWatcher>
+
+namespace async {
+    template<typename T>
+    KAsync::Job<T> run(const std::function<T()> &f)
+    {
+        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();
+            });
+        });
+    }
+
+}