Starting work on Qt4 interface...

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/dependencies/tqtinterface@1158413 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 134 insertions, 0 deletions

diff --git a/qtinterface/qt4/Qt/qtconcurrentrunbase.h b/qtinterface/qt4/Qt/qtconcurrentrunbase.h
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+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation ([email protected])
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial Usage
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at [email protected].
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QTCONCURRENT_RUNBASE_H
+#define QTCONCURRENT_RUNBASE_H
+
+#include <QtCore/qglobal.h>
+
+#ifndef QT_NO_CONCURRENT
+
+#include <QtCore/qfuture.h>
+#include <QtCore/qrunnable.h>
+#include <QtCore/qthreadpool.h>
+
+QT_BEGIN_HEADER
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+#ifndef qdoc
+
+namespace QtConcurrent {
+
+template <typename T>
+struct SelectSpecialization
+{
+    template <class Normal, class Void>
+    struct Type { typedef Normal type; };
+};
+
+template <>
+struct SelectSpecialization<void>
+{
+    template <class Normal, class Void>
+    struct Type { typedef Void type; };
+};
+
+template <typename T>
+class RunFunctionTaskBase : public QFutureInterface<T> , public QRunnable
+{
+public:
+    QFuture<T> start()
+    {
+        this->setRunnable(this);
+        this->reportStarted();
+        QFuture<T> future = this->future();
+        QThreadPool::globalInstance()->start(this, /*m_priority*/ 0);
+        return future;
+    }
+
+    void run() {}
+    virtual void runFunctor() = 0;
+};
+
+template <typename T>
+class RunFunctionTask : public RunFunctionTaskBase<T>
+{
+public:
+    void run()
+    {
+        if (this->isCanceled()) {
+            this->reportFinished();
+            return;
+        }
+        this->runFunctor();
+        this->reportResult(result);
+        this->reportFinished();
+    }
+    T result;
+};
+
+template <>
+class RunFunctionTask<void> : public RunFunctionTaskBase<void>
+{
+public:
+    void run()
+    {
+        if (this->isCanceled()) {
+            this->reportFinished();
+            return;
+        }
+        this->runFunctor();
+        this->reportFinished();
+    }
+};
+
+} //namespace QtConcurrent
+
+#endif //qdoc
+
+QT_END_NAMESPACE
+QT_END_HEADER
+
+#endif // QT_NO_CONCURRENT
+
+#endif