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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtTest module of the Qt Toolkit.
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** General Public License version 2.1 as published by the Free Software
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****************************************************************************/
#ifndef QTESTEVENTLOOP_H
#define QTESTEVENTLOOP_H
#include <QtTest/qtest_global.h>
#include <QtCore/qcoreapplication.h>
#include <QtCore/qeventloop.h>
#include <QtCore/qobject.h>
#include <QtCore/qpointer.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Test)
class Q_TESTLIB_EXPORT QTestEventLoop : public QObject
{
Q_OBJECT
public:
inline QTestEventLoop(QObject *aParent = 0)
: QObject(aParent), inLoop(false), _timeout(false), timerId(-1), loop(0) {}
inline void enterLoop(int secs);
inline void changeInterval(int secs)
{ killTimer(timerId); timerId = startTimer(secs * 1000); }
inline bool timeout() const
{ return _timeout; }
inline static QTestEventLoop &instance()
{
static QPointer<QTestEventLoop> testLoop;
if (testLoop.isNull())
testLoop = new QTestEventLoop(QCoreApplication::instance());
return *static_cast<QTestEventLoop *>(testLoop);
}
public Q_SLOTS:
inline void exitLoop();
protected:
inline void timerEvent(QTimerEvent *e);
private:
bool inLoop;
bool _timeout;
int timerId;
QEventLoop *loop;
};
inline void QTestEventLoop::enterLoop(int secs)
{
Q_ASSERT(!loop);
QEventLoop l;
inLoop = true;
_timeout = false;
timerId = startTimer(secs * 1000);
loop = &l;
l.exec();
loop = 0;
}
inline void QTestEventLoop::exitLoop()
{
if (timerId != -1)
killTimer(timerId);
timerId = -1;
if (loop)
loop->exit();
inLoop = false;
}
inline void QTestEventLoop::timerEvent(QTimerEvent *e)
{
if (e->timerId() != timerId)
return;
_timeout = true;
exitLoop();
}
QT_END_NAMESPACE
QT_END_HEADER
#endif