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#include "filterkey_p.h"
#include <Qt3DCore/qpropertyupdatedchange.h>
#include <Qt3DRender/private/qfilterkey_p.h>

QT_BEGIN_NAMESPACE

using namespace Qt3DCore;

namespace Qt3DRender {
namespace Render {

FilterKey::FilterKey()
    : BackendNode()
{
}

FilterKey::~FilterKey()
{
    cleanup();
}

void FilterKey::cleanup()
{
    QBackendNode::setEnabled(false);
    m_name.clear();
    m_value.clear();
}

void FilterKey::initializeFromPeer(const Qt3DCore::QNodeCreatedChangeBasePtr &change)
{
    const auto typedChange = qSharedPointerCast<Qt3DCore::QNodeCreatedChange<QFilterKeyData>>(change);
    const auto &data = typedChange->data;
    m_name = data.name;
    m_value = data.value;
}

void FilterKey::sceneChangeEvent(const Qt3DCore::QSceneChangePtr &e)
{
    switch (e->type()) {
    case PropertyUpdated: {
        QPropertyUpdatedChangePtr propertyChange = qSharedPointerCast<QPropertyUpdatedChange>(e);
        if (propertyChange->propertyName() == QByteArrayLiteral("value"))
            m_value = propertyChange->value();
        else if (propertyChange->propertyName() == QByteArrayLiteral("name"))
            m_name = propertyChange->value().toString();

        markDirty(AbstractRenderer::AllDirty);
    }

    default:
        break;
    }
    BackendNode::sceneChangeEvent(e);
}

bool FilterKey::operator ==(const FilterKey &other)
{
    if (&other == this)
        return true;
    // TODO create a QVaraint::fastCompare function that returns false
    // if types are not equal. For now, applying
    // https://codereview.qt-project.org/#/c/204484/
    // and adding the following early comparison of the types should give
    // an equivalent performance gain:
    return (other.value().type() == value().type() &&
            other.name() == name() &&
            other.value() == value());
}

bool FilterKey::operator !=(const FilterKey &other)
{
    return !operator ==(other);
}

} // namespace Render
} // namespace Qt3DRender

QT_END_NAMESPACE
