CMultiModelObserverBase.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/QVector>
#include <QtCore/QMutex>
 
// ACF includes
#include <imod/IModel.h>
#include <imod/IObserver.h>
 
 
namespace imod
{
 
 
class CMultiModelObserverBase: virtual public IObserver
{
public:
       CMultiModelObserverBase();
       virtual ~CMultiModelObserverBase();
 
       int GetModelCount() const;
 
       IModel* GetObservedModel(int modelIndex) const;
 
       IModel* GetModelPtr(int modelIndex) const;
 
       void EnsureModelsDetached();
 
       void SetObservedIds(const istd::IChangeable::ChangeSet& changeMask);
 
       // reimplemented (imod::IObserver)
       virtual bool IsModelAttached(const IModel* modelPtr) const override;
       virtual bool OnModelAttached(IModel* modelPtr, istd::IChangeable::ChangeSet& changeMask) override;
       virtual bool OnModelDetached(IModel* modelPtr) override;
       virtual void BeforeUpdate(IModel* modelPtr) override;
       virtual void AfterUpdate(IModel* modelPtr, const istd::IChangeable::ChangeSet& changeSet) override;
 
protected:
       virtual void OnUpdate(IModel* modelPtr, const istd::IChangeable::ChangeSet& changeSet);
 
private:
       bool IsAttached(const imod::IModel* modelPtr) const;
 
       typedef QVector<IModel*> Models;
       Models m_models;
 
       istd::IChangeable::ChangeSet m_observedIds;
 
#if QT_VERSION >= 0x060000
       mutable QRecursiveMutex m_mutex;
#else
       mutable QMutex m_mutex;
#endif
};
 
 
} // namespace imod