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/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QML preview debug service.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QQMLPREVIEWHANDLER_H
#define QQMLPREVIEWHANDLER_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 "qqmlpreviewposition.h"
#include <QtCore/qobject.h>
#include <QtCore/qvector.h>
#include <QtCore/qrect.h>
#include <QtCore/qpointer.h>
#include <QtQml/qqmlengine.h>
QT_BEGIN_NAMESPACE
class QQmlEngine;
class QQuickItem;
class QQmlPreviewUrlInterceptor;
class QQuickWindow;
class QQmlPreviewHandler : public QObject
{
Q_OBJECT
public:
explicit QQmlPreviewHandler(QObject *parent = nullptr);
~QQmlPreviewHandler();
void addEngine(QQmlEngine *engine);
void removeEngine(QQmlEngine *engine);
void loadUrl(const QUrl &url);
void rerun();
void zoom(qreal newFactor);
void clear();
signals:
void error(const QString &message);
protected:
bool eventFilter(QObject *obj, QEvent *event);
private:
void tryCreateObject();
void showObject(QObject *object);
QScopedPointer<QQuickItem> m_dummyItem;
QList<QQmlEngine *> m_engines;
QVector<QPointer<QObject>> m_createdObjects;
QScopedPointer<QQmlComponent> m_component;
QPointer<QQuickWindow> m_currentWindow;
bool m_supportsMultipleWindows;
QQmlPreviewPosition m_lastPosition;
};
QT_END_NAMESPACE
#endif // QQMLPREVIEWHANDLER_H
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