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#ifndef QT3DRENDER_RENDER_QUICK_QUICK3DTECHNIQUE_P_H
#define QT3DRENDER_RENDER_QUICK_QUICK3DTECHNIQUE_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists for the convenience
// of other Qt classes.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include <QtQml/QQmlListProperty>
#include <Qt3DRender/qtechnique.h>

#include <Qt3DQuickRender/private/qt3dquickrender_global_p.h>

QT_BEGIN_NAMESPACE

namespace Qt3DRender {
namespace Render {
namespace Quick {

class QT3DQUICKRENDERSHARED_PRIVATE_EXPORT Quick3DTechnique : public QObject
{
    Q_OBJECT
    Q_PROPERTY(QQmlListProperty<Qt3DRender::QFilterKey> filterKeys READ filterKeyList)
    Q_PROPERTY(QQmlListProperty<Qt3DRender::QRenderPass> renderPasses READ renderPassList)
    Q_PROPERTY(QQmlListProperty<Qt3DRender::QParameter> parameters READ parameterList)
public:
    explicit Quick3DTechnique(QObject *parent = 0);

    QQmlListProperty<QFilterKey> filterKeyList();
    QQmlListProperty<QRenderPass> renderPassList();
    QQmlListProperty<QParameter> parameterList();

    // Use QAbstractTechnique when it has been properly defined
    inline QTechnique *parentTechnique() const { return qobject_cast<QTechnique*>(parent()); }

private:

    static void appendParameter(QQmlListProperty<QParameter> *list, QParameter *param);
    static QParameter *parameterAt(QQmlListProperty<QParameter> *list, int index);
    static int parametersCount(QQmlListProperty<QParameter> *list);
    static void clearParameterList(QQmlListProperty<QParameter> *list);

    static void appendFilterKey(QQmlListProperty<QFilterKey> *list, QFilterKey *filterKey);
    static QFilterKey *filterKeyAt(QQmlListProperty<QFilterKey> *list, int index);
    static int filterKeyCount(QQmlListProperty<QFilterKey> *list);
    static void clearFilterKeyList(QQmlListProperty<QFilterKey> *list);

    static void appendRenderPass(QQmlListProperty<QRenderPass> *list, QRenderPass* renderPass);
    static QRenderPass *renderPassAt(QQmlListProperty<QRenderPass> *list, int index);
    static int renderPassCount(QQmlListProperty<QRenderPass> *list);
    static void clearRenderPasses( QQmlListProperty<QRenderPass> *list);
};

} // namespace Quick
} // namespace Render
} // namespace Qt3DRender

QT_END_NAMESPACE

#endif // QT3DRENDER_RENDER_QUICK_QUICK3DTECHNIQUE_P_H
