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/*
* Copyright (C) 2010 University of Szeged. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef CleanupHandler_h
#define CleanupHandler_h
#include <QCoreApplication>
#include <QList>
#include <QObject>
#include <wtf/HashSet.h>
#include <wtf/StdLibExtras.h>
namespace WebKit {
class CleanupHandler : private QObject {
Q_OBJECT
public:
static CleanupHandler* instance()
{
if (!theInstance)
theInstance = new CleanupHandler();
return theInstance;
}
void markForCleanup(QObject* object)
{
m_objects.append(object);
}
void unmark(QObject* object)
{
if (m_hasStartedDeleting)
return;
m_objects.removeOne(object);
}
bool hasStartedDeleting() const { return m_hasStartedDeleting; }
private slots:
void deleteObjects();
private:
static void sigTermHandler(int);
static CleanupHandler* theInstance;
CleanupHandler();
QList<QObject*> m_objects;
bool m_hasStartedDeleting;
};
} // namespace WebKit
#endif // CleanupHandler_h
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