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diff --git a/src/event/EventPoller.h b/src/event/EventPoller.h
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+/****************************************************************************
+**
+** Copyright (C) 2016 NVIDIA Corporation.
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt 3D Studio.
+**
+** $QT_BEGIN_LICENSE:GPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef EVENT_POLLER_H
+#define EVENT_POLLER_H
+
+#include <EASTL/vector.h>
+
+#include "foundation/Qt3DSRefCounted.h"
+#include "foundation/Qt3DSContainers.h"
+
+#include "EventSystem.h"
+#include "EventPollingSystem.h"
+
+namespace qt3ds {
+class NVFoundationBase;
+}
+
+namespace qt3ds {
+namespace evt {
+
+    class CFactory;
+
+    class CPoller : public IEventSystem
+    {
+    public:
+        typedef IEventProvider *TProvider;
+        typedef qt3ds::foundation::nvvector<eastl::pair<TProvider, bool>> TProviderList;
+        typedef qt3ds::foundation::nvvector<Qt3DSEventSystemEvent *> TEventList;
+        typedef eastl::pair<void *, TProvider> TCEventProviderPair;
+        typedef eastl::vector<TCEventProviderPair> TCEventProviderList;
+
+    private:
+        explicit CPoller(qt3ds::NVFoundationBase &inFoundation);
+        virtual ~CPoller();
+
+    public:
+        // Providers once added are released if the poller goes out of scope.
+        void AddProvider(IEventProvider &inProvider) override;
+        void RemoveProvider(IEventProvider &inProvider) override;
+        bool IgnoreProvider(IEventProvider &inProvider) override;
+        bool ActivateProvider(IEventProvider &inProvider) override;
+        size_t GetNextEvents(Qt3DSEventSystemEvent **outBuffer, size_t bufLen) override;
+        IEventFactory &GetEventFactory() override;
+        Qt3DSEventSystemEventPoller *GetCInterface() override;
+        bool GetAndClearEventFetchedFlag() override;
+        void PurgeEvents() override;
+
+        void ReleaseEvents();
+
+        void addRef() override;
+        void release() override;
+
+        TProvider GetEventProviderWrapper(Qt3DSEventSystemEventProvider inProvider);
+        TProvider GetOrCreateEventProviderWrapper(Qt3DSEventSystemEventProvider inProvider);
+        void ReleaseEventProviderWrapper(Qt3DSEventSystemEventProvider inProvider);
+
+        static CPoller &Create(qt3ds::NVFoundationBase &inFoundation);
+
+    private:
+        Qt3DSEventSystemEvent *GetNextEvent(bool inAllowResetBuffer /* = true*/);
+
+        qt3ds::QT3DSI32 mRefCount;
+        qt3ds::NVFoundationBase &m_Foundation;
+        CFactory &m_EventFactory;
+        TProviderList m_Providers;
+        TEventList m_EventList;
+        qt3ds::QT3DSU32 m_EventIndex;
+        Qt3DSEventSystemEventPoller m_CInterface;
+        TCEventProviderList m_CEventProviders;
+        bool m_EventFetched;
+    };
+}
+}
+
+#endif // EVENT_POLLER_H