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1 | /**************************************************************************** | - |
2 | ** | - |
3 | ** Copyright (C) 2016 The Qt Company Ltd. | - |
4 | ** Contact: https://www.qt.io/licensing/ | - |
5 | ** | - |
6 | ** This file is part of the QtQuick module of the Qt Toolkit. | - |
7 | ** | - |
8 | ** $QT_BEGIN_LICENSE:LGPL$ | - |
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 https://www.qt.io/terms-conditions. For further | - |
15 | ** information use the contact form at https://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.LGPL3 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-3.0.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 (at your option) the GNU General | - |
28 | ** Public license version 3 or any later version approved by the KDE Free | - |
29 | ** Qt Foundation. The licenses are as published by the Free Software | - |
30 | ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 | - |
31 | ** included in the packaging of this file. Please review the following | - |
32 | ** information to ensure the GNU General Public License requirements will | - |
33 | ** be met: https://www.gnu.org/licenses/gpl-2.0.html and | - |
34 | ** https://www.gnu.org/licenses/gpl-3.0.html. | - |
35 | ** | - |
36 | ** $QT_END_LICENSE$ | - |
37 | ** | - |
38 | ****************************************************************************/ | - |
39 | - | |
40 | #ifndef QQUICKITEMVIEWTRANSITION_P_P_H | - |
41 | #define QQUICKITEMVIEWTRANSITION_P_P_H | - |
42 | - | |
43 | // | - |
44 | // W A R N I N G | - |
45 | // ------------- | - |
46 | // | - |
47 | // This file is not part of the Qt API. It exists purely as an | - |
48 | // implementation detail. This header file may change from version to | - |
49 | // version without notice, or even be removed. | - |
50 | // | - |
51 | // We mean it. | - |
52 | // | - |
53 | - | |
54 | #include <QtQuick/private/qtquickglobal_p.h> | - |
55 | - | |
56 | QT_REQUIRE_CONFIG(quick_viewtransitions); | - |
57 | - | |
58 | #include <QtCore/qobject.h> | - |
59 | #include <QtCore/qpoint.h> | - |
60 | #include <QtQml/qqml.h> | - |
61 | #include <private/qqmlguard_p.h> | - |
62 | #include <private/qquicktransition_p.h> | - |
63 | - | |
64 | QT_BEGIN_NAMESPACE | - |
65 | - | |
66 | class QQuickItem; | - |
67 | class QQuickTransition; | - |
68 | class QQuickItemViewTransitionableItem; | - |
69 | class QQuickItemViewTransitionJob; | - |
70 | - | |
71 | - | |
72 | class Q_QUICK_PRIVATE_EXPORT QQuickItemViewTransitionChangeListener | - |
73 | { | - |
74 | public: | - |
75 | QQuickItemViewTransitionChangeListener() {} | - |
76 | virtual ~QQuickItemViewTransitionChangeListener() {} | - |
77 | - | |
78 | virtual void viewItemTransitionFinished(QQuickItemViewTransitionableItem *item) = 0; | - |
79 | }; | - |
80 | - | |
81 | - | |
82 | class Q_QUICK_PRIVATE_EXPORT QQuickItemViewTransitioner | - |
83 | { | - |
84 | public: | - |
85 | enum TransitionType { | - |
86 | NoTransition, | - |
87 | PopulateTransition, | - |
88 | AddTransition, | - |
89 | MoveTransition, | - |
90 | RemoveTransition | - |
91 | }; | - |
92 | - | |
93 | QQuickItemViewTransitioner(); | - |
94 | virtual ~QQuickItemViewTransitioner(); | - |
95 | - | |
96 | bool canTransition(QQuickItemViewTransitioner::TransitionType type, bool asTarget) const; | - |
97 | void transitionNextReposition(QQuickItemViewTransitionableItem *item, QQuickItemViewTransitioner::TransitionType type, bool isTarget); | - |
98 | - | |
99 | void addToTargetLists(QQuickItemViewTransitioner::TransitionType type, QQuickItemViewTransitionableItem *item, int index); | - |
100 | void resetTargetLists(); | - |
101 | - | |
102 | QQuickTransition *transitionObject(QQuickItemViewTransitioner::TransitionType type, bool asTarget) const; | - |
103 | const QList<int> &targetIndexes(QQuickItemViewTransitioner::TransitionType type) const; | - |
104 | const QList<QObject *> &targetItems(QQuickItemViewTransitioner::TransitionType type) const; | - |
105 | - | |
106 | inline void setPopulateTransitionEnabled(bool b) { usePopulateTransition = b; } executed 3340 times by 5 tests: end of block Executed by:
| 3340 |
107 | inline bool populateTransitionEnabled() const { return usePopulateTransition; } executed 3708 times by 2 tests: return usePopulateTransition; Executed by:
| 3708 |
108 | - | |
109 | inline void setChangeListener(QQuickItemViewTransitionChangeListener *obj) { changeListener = obj; } executed 832 times by 4 tests: end of block Executed by:
| 832 |
110 | - | |
111 | QSet<QQuickItemViewTransitionJob *> runningJobs; | - |
112 | - | |
113 | QList<int> addTransitionIndexes; | - |
114 | QList<int> moveTransitionIndexes; | - |
115 | QList<int> removeTransitionIndexes; | - |
116 | QList<QObject *> addTransitionTargets; | - |
117 | QList<QObject *> moveTransitionTargets; | - |
118 | QList<QObject *> removeTransitionTargets; | - |
119 | - | |
120 | QQmlGuard<QQuickTransition> populateTransition; | - |
121 | QQmlGuard<QQuickTransition> addTransition; | - |
122 | QQmlGuard<QQuickTransition> addDisplacedTransition; | - |
123 | QQmlGuard<QQuickTransition> moveTransition; | - |
124 | QQmlGuard<QQuickTransition> moveDisplacedTransition; | - |
125 | QQmlGuard<QQuickTransition> removeTransition; | - |
126 | QQmlGuard<QQuickTransition> removeDisplacedTransition; | - |
127 | QQmlGuard<QQuickTransition> displacedTransition; | - |
128 | - | |
129 | private: | - |
130 | friend class QQuickItemViewTransitionJob; | - |
131 | - | |
132 | QQuickItemViewTransitionChangeListener *changeListener; | - |
133 | bool usePopulateTransition; | - |
134 | - | |
135 | void finishedTransition(QQuickItemViewTransitionJob *job, QQuickItemViewTransitionableItem *item); | - |
136 | }; | - |
137 | - | |
138 | - | |
139 | /* | - |
140 | An item that can be transitioned using QQuickViewTransitionJob. | - |
141 | */ | - |
142 | class Q_QUICK_PRIVATE_EXPORT QQuickItemViewTransitionableItem | - |
143 | { | - |
144 | public: | - |
145 | QQuickItemViewTransitionableItem(QQuickItem *i); | - |
146 | virtual ~QQuickItemViewTransitionableItem(); | - |
147 | - | |
148 | qreal itemX() const; | - |
149 | qreal itemY() const; | - |
150 | - | |
151 | void moveTo(const QPointF &pos, bool immediate = false); | - |
152 | - | |
153 | bool transitionScheduledOrRunning() const; | - |
154 | bool transitionRunning() const; | - |
155 | bool isPendingRemoval() const; | - |
156 | - | |
157 | bool prepareTransition(QQuickItemViewTransitioner *transitioner, int index, const QRectF &viewBounds); | - |
158 | void startTransition(QQuickItemViewTransitioner *transitioner, int index); | - |
159 | - | |
160 | QPointF nextTransitionTo; | - |
161 | QPointF lastMovedTo; | - |
162 | QPointF nextTransitionFrom; | - |
163 | QQuickItem *item; | - |
164 | QQuickItemViewTransitionJob *transition; | - |
165 | QQuickItemViewTransitioner::TransitionType nextTransitionType; | - |
166 | bool isTransitionTarget : 1; | - |
167 | bool nextTransitionToSet : 1; | - |
168 | bool nextTransitionFromSet : 1; | - |
169 | bool lastMovedToSet : 1; | - |
170 | bool prepared : 1; | - |
171 | - | |
172 | private: | - |
173 | friend class QQuickItemViewTransitioner; | - |
174 | friend class QQuickItemViewTransitionJob; | - |
175 | void setNextTransition(QQuickItemViewTransitioner::TransitionType, bool isTargetItem); | - |
176 | bool transitionWillChangePosition() const; | - |
177 | void finishedTransition(); | - |
178 | void resetNextTransitionPos(); | - |
179 | void clearCurrentScheduledTransition(); | - |
180 | void stopTransition(); | - |
181 | }; | - |
182 | - | |
183 | - | |
184 | class QQuickViewTransitionAttached : public QObject | - |
185 | { | - |
186 | Q_OBJECT | - |
187 | - | |
188 | Q_PROPERTY(int index READ index NOTIFY indexChanged) | - |
189 | Q_PROPERTY(QQuickItem* item READ item NOTIFY itemChanged) | - |
190 | Q_PROPERTY(QPointF destination READ destination NOTIFY destinationChanged) | - |
191 | - | |
192 | Q_PROPERTY(QList<int> targetIndexes READ targetIndexes NOTIFY targetIndexesChanged) | - |
193 | Q_PROPERTY(QQmlListProperty<QObject> targetItems READ targetItems NOTIFY targetItemsChanged) | - |
194 | - | |
195 | public: | - |
196 | QQuickViewTransitionAttached(QObject *parent); | - |
197 | - | |
198 | int index() const { return m_index; } executed 8560 times by 3 tests: return m_index; Executed by:
| 8560 |
199 | QQuickItem *item() const { return m_item; } executed 8566 times by 3 tests: return m_item; Executed by:
| 8566 |
200 | QPointF destination() const { return m_destination; } never executed: return m_destination; | 0 |
201 | - | |
202 | QList<int> targetIndexes() const { return m_targetIndexes; } executed 9018 times by 3 tests: return m_targetIndexes; Executed by:
| 9018 |
203 | QQmlListProperty<QObject> targetItems(); | - |
204 | - | |
205 | static QQuickViewTransitionAttached *qmlAttachedProperties(QObject *); | - |
206 | - | |
207 | Q_SIGNALS: | - |
208 | void indexChanged(); | - |
209 | void itemChanged(); | - |
210 | void destinationChanged(); | - |
211 | - | |
212 | void targetIndexesChanged(); | - |
213 | void targetItemsChanged(); | - |
214 | - | |
215 | private: | - |
216 | friend class QQuickItemViewTransitionJob; | - |
217 | QPointF m_destination; | - |
218 | QList<int> m_targetIndexes; | - |
219 | QList<QObject *> m_targetItems; | - |
220 | - | |
221 | QQuickItem *m_item; | - |
222 | int m_index; | - |
223 | }; | - |
224 | - | |
225 | QT_END_NAMESPACE | - |
226 | - | |
227 | QML_DECLARE_TYPE(QQuickViewTransitionAttached) | - |
228 | QML_DECLARE_TYPEINFO(QQuickViewTransitionAttached, QML_HAS_ATTACHED_PROPERTIES) | - |
229 | - | |
230 | #endif // QQUICKITEMVIEWTRANSITION_P_P_H | - |
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