1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2017 The Qt Company Ltd. 4 ** Contact: http://www.qt.io/licensing/ 5 ** 6 ** This file is part of the Qt Quick Templates 2 module of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL3$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see http://www.qt.io/terms-conditions. For further 15 ** information use the contact form at http://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 3 as published by the Free Software 20 ** Foundation and appearing in the file LICENSE.LGPLv3 included in the 21 ** packaging of this file. Please review the following information to 22 ** ensure the GNU Lesser General Public License version 3 requirements 23 ** will be met: https://www.gnu.org/licenses/lgpl.html. 24 ** 25 ** GNU General Public License Usage 26 ** Alternatively, this file may be used under the terms of the GNU 27 ** General Public License version 2.0 or later as published by the Free 28 ** Software Foundation and appearing in the file LICENSE.GPL included in 29 ** the packaging of this file. Please review the following information to 30 ** ensure the GNU General Public License version 2.0 requirements will be 31 ** met: http://www.gnu.org/licenses/gpl-2.0.html. 32 ** 33 ** $QT_END_LICENSE$ 34 ** 35 ****************************************************************************/ 36 37 #ifndef QQUICKSTACKELEMENT_P_P_H 38 #define QQUICKSTACKELEMENT_P_P_H 39 40 // 41 // W A R N I N G 42 // ------------- 43 // 44 // This file is not part of the Qt API. It exists purely as an 45 // implementation detail. This header file may change from version to 46 // version without notice, or even be removed. 47 // 48 // We mean it. 49 // 50 51 #include <QtQuickTemplates2/private/qquickstackview_p.h> 52 #include <QtQuickTemplates2/private/qquickcontrol_p_p.h> 53 #include <QtQuick/private/qquickitemviewtransition_p.h> 54 #include <QtQuick/private/qquickitemchangelistener_p.h> 55 #include <QtQml/private/qv4persistent_p.h> 56 57 QT_BEGIN_NAMESPACE 58 59 class QQmlContext; 60 class QQmlComponent; 61 struct QQuickStackTransition; 62 63 class QQuickStackElement : public QQuickItemViewTransitionableItem, public QQuickItemChangeListener 64 { 65 QQuickStackElement(); 66 67 public: 68 ~QQuickStackElement(); 69 70 static QQuickStackElement *fromString(const QString &str, QQuickStackView *view, QString *error); 71 static QQuickStackElement *fromObject(QObject *object, QQuickStackView *view, QString *error); 72 73 bool load(QQuickStackView *parent); 74 void incubate(QObject *object); 75 void initialize(); 76 77 void setIndex(int index); 78 void setView(QQuickStackView *view); 79 void setStatus(QQuickStackView::Status status); 80 void setVisible(bool visible); 81 82 void transitionNextReposition(QQuickItemViewTransitioner *transitioner, QQuickItemViewTransitioner::TransitionType type, bool asTarget); 83 bool prepareTransition(QQuickItemViewTransitioner *transitioner, const QRectF &viewBounds); 84 void startTransition(QQuickItemViewTransitioner *transitioner, QQuickStackView::Status status); 85 86 void itemDestroyed(QQuickItem *item) override; 87 88 int index = -1; 89 bool init = false; 90 bool removal = false; 91 bool ownItem = false; 92 bool ownComponent = false; 93 bool widthValid = false; 94 bool heightValid = false; 95 QQmlContext *context = nullptr; 96 QQmlComponent *component = nullptr; 97 QQuickStackView *view = nullptr; 98 QPointer<QQuickItem> originalParent; 99 QQuickStackView::Status status = QQuickStackView::Inactive; 100 QV4::PersistentValue properties; 101 QV4::PersistentValue qmlCallingContext; 102 }; 103 104 QT_END_NAMESPACE 105 106 #endif // QQUICKSTACKELEMENT_P_P_H 107