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/****************************************************************************
**
** Copyright (C) 2020 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtPDF module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later as published by the Free
** Software Foundation and appearing in the file LICENSE.GPL included in
** the packaging of this file. Please review the following information to
** ensure the GNU General Public License version 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QQUICKPDFNAVIGATIONSTACK_P_H
#define QQUICKPDFNAVIGATIONSTACK_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qquickpdfdocument_p.h"
#include "../api/qpdfdestination_p.h"
#include <QtQml/qqml.h>
QT_BEGIN_NAMESPACE
class QQuickPdfNavigationStack : public QObject
{
Q_OBJECT
Q_PROPERTY(int currentPage READ currentPage NOTIFY currentPageChanged)
Q_PROPERTY(QPointF currentLocation READ currentLocation NOTIFY currentLocationChanged)
Q_PROPERTY(qreal currentZoom READ currentZoom NOTIFY currentZoomChanged)
Q_PROPERTY(bool backAvailable READ backAvailable NOTIFY backAvailableChanged)
Q_PROPERTY(bool forwardAvailable READ forwardAvailable NOTIFY forwardAvailableChanged)
public:
explicit QQuickPdfNavigationStack(QObject *parent = nullptr);
Q_INVOKABLE void push(int page, QPointF location, qreal zoom);
Q_INVOKABLE void update(int page, QPointF location, qreal zoom);
Q_INVOKABLE void forward();
Q_INVOKABLE void back();
int currentPage() const;
QPointF currentLocation() const;
qreal currentZoom() const;
bool backAvailable() const;
bool forwardAvailable() const;
Q_SIGNALS:
void currentPageChanged();
void currentLocationChanged();
void currentZoomChanged();
void backAvailableChanged();
void forwardAvailableChanged();
void jumped(int page, QPointF location, qreal zoom);
private:
QVector<QExplicitlySharedDataPointer<QPdfDestinationPrivate>> m_pageHistory;
int m_currentHistoryIndex = 0;
bool m_changing = false;
Q_DISABLE_COPY(QQuickPdfNavigationStack)
};
QT_END_NAMESPACE
QML_DECLARE_TYPE(QQuickPdfNavigationStack)
#endif // QQUICKPDFNAVIGATIONSTACK_P_H
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