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#include <Qt3DQuickRender/private/quick3dtechniquefilter_p.h>

QT_BEGIN_NAMESPACE

namespace Qt3DRender {
namespace Render {
namespace Quick {

Quick3DTechniqueFilter::Quick3DTechniqueFilter(QObject *parent)
    : QObject(parent)
{
}

QQmlListProperty<QFilterKey> Quick3DTechniqueFilter::matchList()
{
    return QQmlListProperty<QFilterKey>(this, 0,
                                         &Quick3DTechniqueFilter::appendRequire,
                                         &Quick3DTechniqueFilter::requiresCount,
                                         &Quick3DTechniqueFilter::requireAt,
                                         &Quick3DTechniqueFilter::clearRequires);
}

QQmlListProperty<QParameter> Quick3DTechniqueFilter::parameterList()
{
    return QQmlListProperty<QParameter>(this, 0,
                                        &Quick3DTechniqueFilter::appendParameter,
                                        &Quick3DTechniqueFilter::parametersCount,
                                        &Quick3DTechniqueFilter::parameterAt,
                                        &Quick3DTechniqueFilter::clearParameterList);
}

void Quick3DTechniqueFilter::appendRequire(QQmlListProperty<QFilterKey> *list, QFilterKey *criterion)
{
    Quick3DTechniqueFilter *filter = qobject_cast<Quick3DTechniqueFilter *>(list->object);
    if (filter) {
        criterion->setParent(filter->parentTechniqueFilter());
        filter->parentTechniqueFilter()->addMatch(criterion);
    }
}

QFilterKey *Quick3DTechniqueFilter::requireAt(QQmlListProperty<QFilterKey> *list, qsizetype index)
{
    Quick3DTechniqueFilter *filter = qobject_cast<Quick3DTechniqueFilter *>(list->object);
    if (filter)
        return filter->parentTechniqueFilter()->matchAll().at(index);
    return 0;
}

qsizetype Quick3DTechniqueFilter::requiresCount(QQmlListProperty<QFilterKey> *list)
{
    Quick3DTechniqueFilter *filter = qobject_cast<Quick3DTechniqueFilter *>(list->object);
    if (filter)
        return filter->parentTechniqueFilter()->matchAll().size();
    return 0;
}

void Quick3DTechniqueFilter::clearRequires(QQmlListProperty<QFilterKey> *list)
{
    Quick3DTechniqueFilter *filter = qobject_cast<Quick3DTechniqueFilter *>(list->object);
    if (filter) {
        const auto criteria = filter->parentTechniqueFilter()->matchAll();
        for (QFilterKey *criterion : criteria)
            filter->parentTechniqueFilter()->removeMatch(criterion);
    }
}

void Quick3DTechniqueFilter::appendParameter(QQmlListProperty<QParameter> *list, QParameter *param)
{
    Quick3DTechniqueFilter *techniqueFilter = qobject_cast<Quick3DTechniqueFilter *>(list->object);
    techniqueFilter->parentTechniqueFilter()->addParameter(param);
}

QParameter *Quick3DTechniqueFilter::parameterAt(QQmlListProperty<QParameter> *list, qsizetype index)
{
    Quick3DTechniqueFilter *techniqueFilter = qobject_cast<Quick3DTechniqueFilter *>(list->object);
    return techniqueFilter->parentTechniqueFilter()->parameters().at(index);
}

qsizetype Quick3DTechniqueFilter::parametersCount(QQmlListProperty<QParameter> *list)
{
    Quick3DTechniqueFilter *techniqueFilter = qobject_cast<Quick3DTechniqueFilter *>(list->object);
    return techniqueFilter->parentTechniqueFilter()->parameters().count();
}

void Quick3DTechniqueFilter::clearParameterList(QQmlListProperty<QParameter> *list)
{
    Quick3DTechniqueFilter *techniqueFilter = qobject_cast<Quick3DTechniqueFilter *>(list->object);
    const auto parameters = techniqueFilter->parentTechniqueFilter()->parameters();
    for (QParameter *p : parameters)
        techniqueFilter->parentTechniqueFilter()->removeParameter(p);
}

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

QT_END_NAMESPACE
