/*******************************************************************************
**
** SPDX-FileCopyrightText: Copyright 2023 Open Mobile Platform LLC <community@omp.ru>
** SPDX-License-Identifier: BSD-3-Clause
** This file is part of the OfficeViewer project.
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** that the following conditions are met:
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**   this list of conditions and the following disclaimer.
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*******************************************************************************/



#pragma once

#include <QObject>
#include <QSizeF>
#include <QFuture>
#include <QPointF>
#include "basedocument.h"
#include "documentproviderglobal.h"

class BaseAnnotation;
class DOCUMENTPROVIDER_EXPORT BasePage : public QObject
{
    Q_OBJECT

public:
    explicit BasePage(QObject *parent = nullptr);
    virtual ~BasePage();

    virtual QThreadPool *threadPool() const = 0;
    virtual QList<BaseAnnotation *> annotations() const = 0;
    virtual void loadAnnotations() = 0;
    virtual bool isAnnotationsSupport() const = 0;
    virtual int pageIndex() const = 0;
    virtual QFuture<QSizeF> originalSize() = 0;
    virtual QFuture<QImage> bitmapFull(qreal pageScale, int renderFlags = 0) const = 0;
    virtual QFuture<QImage> bitmapPart(qreal pageScaleX, qreal pageScaleY,
                                       int renderFlags = 0, qreal zoom = 1.0,
                                       const QPointF &bias = QPointF(),
                                       qreal pageScale = 1.0) const = 0;
    virtual void addAnnotation(const QRectF &rect, const QColor &color,
                                       const QString &author, const QString &content) = 0;
    virtual void stopBitmapPart(qreal pageScaleX, qreal pageScaleY, qreal zoom = 1.0,
                                const QPointF &bias = QPointF()) = 0;
    virtual void stopAllBitmapPart() = 0;
    virtual BaseDocumentProvider::DocumentType documentType() const = 0;

signals:
    void annotationsLoaded();
    void originalSizeLoaded();
    void annotationsChanged();
    void annotationAdded(bool);
    void annotationDelete(int, bool);
    void invalidateRect(const QRectF &rect);
};