/*******************************************************************************
**
** 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.
**
** Redistribution and use in source and binary forms,
** with or without modification, are permitted provided
** that the following conditions are met:
**
** * Redistributions of source code must retain the above copyright notice,
**   this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright notice,
**   this list of conditions and the following disclaimer
**   in the documentation and/or other materials provided with the distribution.
** * Neither the name of the copyright holder nor the names of its contributors
**   may be used to endorse or promote products derived from this software
**   without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
** AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
** THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
** FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
** IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
** FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
** OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
** PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
** LOSS OF USE, DATA, OR PROFITS;
** OR BUSINESS INTERRUPTION)
** HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
** WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE)
** ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
** EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**
*******************************************************************************/

#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);
};