CEventBasedNotifier.h

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// SPDX-License-Identifier: LGPL-2.1-or-later OR GPL-2.0-or-later OR GPL-3.0-or-later OR LicenseRef-ACF-Commercial
#pragma once
 
 
// Qt includes
#include <QtCore/QObject>
 
// ACF includes
#include <istd/CChangeNotifier.h>
#include <istd/TOptDelPtr.h>
 
 
namespace istd
{
 
 
class CAsyncNotifier;
 
 
class CEventBasedNotifier
{
public:
       explicit CEventBasedNotifier(istd::IChangeable* slavePtr, const IChangeable::ChangeSet* changeSetPtr = &IChangeable::GetAnyChange());
       virtual ~CEventBasedNotifier();
 
private:
       CEventBasedNotifier(const CEventBasedNotifier&){}
 
       CAsyncNotifier* m_asyncNotifierPtr = nullptr;
};
 
 
class CAsyncNotifier: protected QObject
{
       Q_OBJECT
 
       friend class CEventBasedNotifier;
 
public:
       ~CAsyncNotifier();
 
protected:
       CAsyncNotifier(istd::IChangeable* slavePtr, const IChangeable::ChangeSet& changeSet);
 
protected Q_SLOTS:
       void DoBeginChanges();
 
Q_SIGNALS:
       void EmitBeginChanges();
 
private:
       istd::IChangeable* m_slavePtr = nullptr;
 
       IChangeable::ChangeSet m_changeIds;
 
       bool m_isBeginCalled = false;
};
 
 
} // namespace istd