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// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QQUICKSTACKVIEW_P_P_H
#define QQUICKSTACKVIEW_P_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 <QtQuickTemplates2/private/qquickstackview_p.h>
#include <QtQuickTemplates2/private/qquickcontrol_p_p.h>
#if QT_CONFIG(quick_viewtransitions)
#include <QtQuick/private/qquickitemviewtransition_p.h>
#endif
#include <QtQuick/private/qquickitemchangelistener_p.h>
#include <QtQml/private/qv4value_p.h>
#include <QtQml/private/qqmlcontextdata_p.h>
#include <QtCore/qset.h>
#include <QtCore/qstack.h>
QT_BEGIN_NAMESPACE
class QQuickStackElement;
struct QQuickStackTransition;
class QQuickStackViewPrivate : public QQuickControlPrivate
#if QT_CONFIG(quick_viewtransitions)
, public QQuickItemViewTransitionChangeListener
#endif
{
Q_DECLARE_PUBLIC(QQuickStackView)
public:
static QQuickStackViewPrivate *get(QQuickStackView *view)
{
return view->d_func();
}
void warn(const QString &error);
void warnOfInterruption(const QString &attemptedOperation);
void setCurrentItem(QQuickStackElement *element);
QList<QQuickStackElement *> parseElements(int from, QQmlV4FunctionPtr args, QStringList *errors);
QList<QQuickStackElement *> parseElements(const QList<QQuickStackViewArg> &args);
QQuickStackElement *findElement(QQuickItem *item) const;
QQuickStackElement *findElement(const QV4::Value &value) const;
QQuickStackElement *createElement(const QV4::Value &value, const QQmlRefPointer<QQmlContextData> &context, QString *error);
bool pushElements(const QList<QQuickStackElement *> &elements);
bool pushElement(QQuickStackElement *element);
bool popElements(QQuickStackElement *element);
bool replaceElements(QQuickStackElement *element, const QList<QQuickStackElement *> &elements);
enum class CurrentItemPolicy {
DoNotPop,
Pop
};
QQuickItem *popToItem(QQuickItem *item, QQuickStackView::Operation operation, CurrentItemPolicy currentItemPolicy);
#if QT_CONFIG(quick_viewtransitions)
void ensureTransitioner();
void startTransition(const QQuickStackTransition &first, const QQuickStackTransition &second, bool immediate);
void completeTransition(QQuickStackElement *element, QQuickTransition *transition, QQuickStackView::Status status);
void viewItemTransitionFinished(QQuickItemViewTransitionableItem *item) override;
#endif
void setBusy(bool busy);
void depthChange(int newDepth, int oldDepth);
bool busy = false;
bool modifyingElements = false;
QString operation;
QJSValue initialItem;
QQuickItem *currentItem = nullptr;
QSet<QQuickStackElement*> removing;
QList<QQuickStackElement*> removed;
QStack<QQuickStackElement *> elements;
#if QT_CONFIG(quick_viewtransitions)
QQuickItemViewTransitioner *transitioner = nullptr;
#endif
};
class QQuickStackViewAttachedPrivate : public QObjectPrivate
//#if QT_CONFIG(quick_viewtransitions)
, public QSafeQuickItemChangeListener<QQuickStackViewAttachedPrivate>
//#endif
{
Q_DECLARE_PUBLIC(QQuickStackViewAttached)
public:
static QQuickStackViewAttachedPrivate *get(QQuickStackViewAttached *attached)
{
return attached->d_func();
}
//#if QT_CONFIG(quick_viewtransitions)
void itemParentChanged(QQuickItem *item, QQuickItem *parent) override;
//#endif
bool explicitVisible = false;
QQuickStackElement *element = nullptr;
};
QT_END_NAMESPACE
#endif // QQUICKSTACKVIEW_P_P_H
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