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#ifndef QT3DINPUT_INPUT_MOUSEINPUT_H
#define QT3DINPUT_INPUT_MOUSEINPUT_H

#include <Qt3DCore/qbackendnode.h>
#include <Qt3DInput/q3dmouseevent.h>

QT_BEGIN_NAMESPACE

namespace Qt3DInput {
namespace Input {

class InputHandler;

class MouseInput : public Qt3D::QBackendNode
{
public:
    MouseInput();
    ~MouseInput();

    void updateFromPeer(Qt3D::QNode *peer) Q_DECL_OVERRIDE;
    Qt3D::QNodeId mouseController() const;
    void setInputHandler(InputHandler *handler);
    void mouseEvent(const Q3DMouseEventPtr &event);
    void wheelEvent(const Q3DWheelEventPtr &event);

    inline bool isEnabled() const { return m_enabled; }

protected:
    void sceneChangeEvent(const Qt3D::QSceneChangePtr &e) Q_DECL_OVERRIDE;
    void setController(const Qt3D::QNodeId &controller);

private:
    bool m_enabled;
    Qt3D::QNodeId m_mouseController;
    InputHandler *m_inputHandler;
};

class MouseInputFunctor : public Qt3D::QBackendNodeFunctor
{
public:
    explicit MouseInputFunctor(InputHandler *handler);

    Qt3D::QBackendNode *create(Qt3D::QNode *frontend, const Qt3D::QBackendNodeFactory *factory) const Q_DECL_OVERRIDE;
    Qt3D::QBackendNode *get(const Qt3D::QNodeId &id) const Q_DECL_OVERRIDE;
    void destroy(const Qt3D::QNodeId &id) const Q_DECL_OVERRIDE;

private:
    InputHandler *m_handler;
};

} // namespace Input
} // namespace Qt3DInput

QT_END_NAMESPACE

#endif // MOUSEINPUT_H