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/****************************************************************************
**
** Copyright (C) 2016 Paul Lemire
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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.
**
** $QT_END_LICENSE$
**
**
**
**
**
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**
****************************************************************************/

#ifndef QT3DRENDER_RENDER_FILTERLAYERENTITYJOB_H
#define QT3DRENDER_RENDER_FILTERLAYERENTITYJOB_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 <Qt3DCore/qaspectjob.h>
#include <Qt3DCore/qnodeid.h>
#include <Qt3DRender/private/qt3drender_global_p.h>
#include <Qt3DRender/qlayerfilter.h>

QT_BEGIN_NAMESPACE

namespace Qt3DRender {

namespace Render {

class Entity;
class NodeManagers;

class Q_3DRENDERSHARED_PRIVATE_EXPORT FilterLayerEntityJob : public Qt3DCore::QAspectJob
{
public:
    FilterLayerEntityJob();

    inline void setManager(NodeManagers *manager) Q_DECL_NOEXCEPT { m_manager = manager; }
    inline void setLayerFilters(const Qt3DCore::QNodeIdVector &layerIds) Q_DECL_NOEXCEPT { m_layerFilterIds = layerIds; }
    inline QVector<Entity *> filteredEntities() const Q_DECL_NOEXCEPT { return m_filteredEntities; }

    inline bool hasLayerFilter() const Q_DECL_NOTHROW { return !m_layerFilterIds.isEmpty(); }
    inline Qt3DCore::QNodeIdVector layerFilters() const { return m_layerFilterIds; }

    // QAspectJob interface
    void run() final;

    void filterAcceptAnyMatchingLayers(Entity *entity, const Qt3DCore::QNodeIdVector &layerIds);
    void filterAcceptAllMatchingLayers(Entity *entity, const Qt3DCore::QNodeIdVector &layerIds);
    void filterDiscardAnyMatchingLayers(Entity *entity, const Qt3DCore::QNodeIdVector &layerIds);
    void filterDiscardAllMatchingLayers(Entity *entity, const Qt3DCore::QNodeIdVector &layerIds);

private:
    void filterLayerAndEntity();
    void selectAllEntities();

    NodeManagers *m_manager;
    Qt3DCore::QNodeIdVector m_layerFilterIds;
    QVector<Entity *> m_filteredEntities;
};

typedef QSharedPointer<FilterLayerEntityJob> FilterLayerEntityJobPtr;

} // Render

} // Qt3DRender

QT_END_NAMESPACE

#endif // QT3DRENDER_RENDER_FILTERLAYERENTITYJOB_H