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** Copyright (C) 2016 NVIDIA Corporation.
** Copyright (C) 2017 The Qt Company Ltd.
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#ifndef EVENT_FACTORY_H
#define EVENT_FACTORY_H

#include "EventSystem.h"
#include "EventPollingSystem.h"

#include "foundation/Qt3DSRefCounted.h"
#include "foundation/FastAllocator.h"

namespace qt3ds {
class NVFoundationBase;
namespace foundation {
    class IStringTable;
}
}

namespace qt3ds {
namespace evt {

    class CEventProviderRefCounted;

    class CFactory : public IEventFactory
    {
    private:
        explicit CFactory(qt3ds::NVFoundationBase &inFoundation);
        virtual ~CFactory();

        CFactory &operator=(const CFactory &) { return *this; }
    public:
        // Interfaces from IEventFactory
        Qt3DSEventSystemEvent &CreateEvent(int inNumData) override;
        size_t GetMaxNumEventData() override;
        size_t GetMaxStrLength() override;

        Qt3DSEventSystemRegisteredStr RegisterStr(TEventStr inSrc) override;
        // Null terminates if strlen(inSrc) > getMaxStrLength
        TEventStr AllocateStr(TEventStr inSrc) override;

        // Returns null if inLength > getMaxStrLength
        TEventStr AllocateStr(int inLength) override;

        void ReleaseOutstandingEvents();
        void Release();

        static CFactory &Create(qt3ds::NVFoundationBase &inFoundation);

    private:
        typedef qt3ds::foundation::SFastAllocator<> TEventAllocator;

        qt3ds::NVFoundationBase &m_Foundation;
        TEventAllocator m_Allocator;
        qt3ds::foundation::NVScopedRefCounted<qt3ds::foundation::IStringTable> m_StringTable;
    };
}
}

#endif // EVENT_FACTORY_H