/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/

#pragma once

#include <QtGlobal>
#include <QtQuick/qquickwindow.h>

#include "nodeinstanceserver.h"
#include <designersupportdelegate.h>

QT_BEGIN_NAMESPACE
class QQuickItem;
class QQmlEngine;
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
class QQuickRenderControl;
class QRhi;
class QRhiTexture;
class QRhiRenderBuffer;
class QRhiTextureRenderTarget;
class QRhiRenderPassDescriptor;
#endif
QT_END_NAMESPACE

namespace QmlDesigner {

class Qt5NodeInstanceServer : public NodeInstanceServer
{
    Q_OBJECT
public:
    Qt5NodeInstanceServer(NodeInstanceClientInterface *nodeInstanceClient);
    ~Qt5NodeInstanceServer() override;

    QQuickView *quickView() const override;
    QQuickWindow *quickWindow() const override;
    QQmlView *declarativeView() const override;
    QQuickItem *rootItem() const override;
    void setRootItem(QQuickItem *item) override;

    QQmlEngine *engine() const override;
    void refreshBindings() override;

    DesignerSupport *designerSupport();

    void createScene(const CreateSceneCommand &command) override;
    void clearScene(const ClearSceneCommand &command) override;
    void reparentInstances(const ReparentInstancesCommand &command) override;

    QImage grabWindow() override;
    QImage grabItem(QQuickItem *item) override;
    bool renderWindow() override;

    static QQuickItem *parentEffectItem(QQuickItem *item);

protected:
    void initializeView() override;
    void resizeCanvasToRootItem() override;
    void resetAllItems();
    void setupScene(const CreateSceneCommand &command) override;
    QList<QQuickItem*> allItems() const;
    bool rootIsRenderable3DObject() const;

    struct RenderViewData {
        QPointer<QQuickWindow> window = nullptr;
        QQuickItem *rootItem = nullptr;
        QQuickItem *contentItem = nullptr;
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
        bool bufferDirty = true;
        QQuickRenderControl *renderControl = nullptr;
        QRhi *rhi = nullptr;
        QRhiTexture *texture = nullptr;
        QRhiRenderBuffer *buffer = nullptr;
        QRhiTextureRenderTarget *texTarget = nullptr;
        QRhiRenderPassDescriptor *rpDesc = nullptr;
#endif
    };

    virtual bool initRhi(RenderViewData &viewData);
    virtual QImage grabRenderControl(RenderViewData &viewData);

private:
    RenderViewData m_viewData;
    DesignerSupport m_designerSupport;
    QQmlEngine *m_qmlEngine = nullptr;
};

} // QmlDesigner
