/*
    SPDX-FileCopyrightText: 2007 Albert Astals Cid <aacid@kde.org>

    SPDX-License-Identifier: GPL-2.0-or-later
*/

#ifndef _OKULAR_GENERATOR_GHOSTVIEW_H_
#define _OKULAR_GENERATOR_GHOSTVIEW_H_

#include <core/generator.h>
#include <interfaces/configinterface.h>

#include <libspectre/spectre.h>

class GSGenerator : public Okular::Generator, public Okular::ConfigInterface
{
    Q_OBJECT
    Q_INTERFACES(Okular::Generator)
    Q_INTERFACES(Okular::ConfigInterface)

public:
    /** virtual methods to reimplement **/
    // load a document and fill up the pagesVector
    bool loadDocument(const QString &fileName, QVector<Okular::Page *> &pagesVector) override;

    // Document description and Table of contents
    Okular::DocumentInfo generateDocumentInfo(const QSet<Okular::DocumentInfo::Key> &keys) const override;
    const Okular::DocumentSynopsis *generateDocumentSynopsis() override
    {
        return nullptr;
    }
    const Okular::DocumentFonts *generateDocumentFonts()
    {
        return nullptr;
    }

    // page contents generation
    bool canGeneratePixmap() const override;
    void generatePixmap(Okular::PixmapRequest *request) override;

    QVariant metaData(const QString &key, const QVariant &option) const override;

    // print document using already configured kprinter
    Okular::Document::PrintError print(QPrinter & /*printer*/) override;
    QString fileName() const;

    bool reparseConfig() override;
    void addPages(KConfigDialog *dlg) override;

    /** constructor **/
    GSGenerator(QObject *parent, const QVariantList &args);
    ~GSGenerator() override;

public Q_SLOTS:
    void slotImageGenerated(QImage *img, Okular::PixmapRequest *request);

protected:
    bool doCloseDocument() override;

private:
    bool loadPages(QVector<Okular::Page *> &pagesVector);
    Okular::Rotation orientation(SpectreOrientation orientation) const;

    // backendish stuff
    SpectreDocument *m_internalDocument;

    Okular::PixmapRequest *m_request;

    bool cache_AAtext;
    bool cache_AAgfx;
};

#endif
