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3 ** Copyright (C) 2017 The Qt Company Ltd.
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5 **
6 ** This file is part of the Qt Quick Templates 2 module of the Qt Toolkit.
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25 ** GNU General Public License Usage
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35 ****************************************************************************/
36
37 #include "qquickstacktransition_p_p.h"
38 #include "qquickstackelement_p_p.h"
39 #include "qquickstackview_p_p.h"
40
41 QT_BEGIN_NAMESPACE
42
exitTransition(QQuickStackView::Operation operation,QQuickStackElement * element,QQuickStackView * view)43 static QQuickStackTransition exitTransition(QQuickStackView::Operation operation, QQuickStackElement *element, QQuickStackView *view)
44 {
45 QQuickStackTransition st;
46 st.status = QQuickStackView::Deactivating;
47 st.element = element;
48
49 const QQuickItemViewTransitioner *transitioner = QQuickStackViewPrivate::get(view)->transitioner;
50
51 switch (operation) {
52 case QQuickStackView::PushTransition:
53 st.type = QQuickItemViewTransitioner::AddTransition;
54 if (transitioner)
55 st.transition = transitioner->addDisplacedTransition;
56 break;
57 case QQuickStackView::ReplaceTransition:
58 st.type = QQuickItemViewTransitioner::MoveTransition;
59 if (transitioner)
60 st.transition = transitioner->moveDisplacedTransition;
61 break;
62 case QQuickStackView::PopTransition:
63 st.target = true;
64 st.type = QQuickItemViewTransitioner::RemoveTransition;
65 st.viewBounds = view->boundingRect();
66 if (transitioner)
67 st.transition = transitioner->removeTransition;
68 break;
69 default:
70 Q_UNREACHABLE();
71 break;
72 }
73
74 return st;
75 }
76
enterTransition(QQuickStackView::Operation operation,QQuickStackElement * element,QQuickStackView * view)77 static QQuickStackTransition enterTransition(QQuickStackView::Operation operation, QQuickStackElement *element, QQuickStackView *view)
78 {
79 QQuickStackTransition st;
80 st.status = QQuickStackView::Activating;
81 st.element = element;
82
83 const QQuickItemViewTransitioner *transitioner = QQuickStackViewPrivate::get(view)->transitioner;
84
85 switch (operation) {
86 case QQuickStackView::PushTransition:
87 st.target = true;
88 st.type = QQuickItemViewTransitioner::AddTransition;
89 st.viewBounds = view->boundingRect();
90 if (transitioner)
91 st.transition = transitioner->addTransition;
92 break;
93 case QQuickStackView::ReplaceTransition:
94 st.target = true;
95 st.type = QQuickItemViewTransitioner::MoveTransition;
96 st.viewBounds = view->boundingRect();
97 if (transitioner)
98 st.transition = transitioner->moveTransition;
99 break;
100 case QQuickStackView::PopTransition:
101 st.type = QQuickItemViewTransitioner::RemoveTransition;
102 if (transitioner)
103 st.transition = transitioner->removeDisplacedTransition;
104 break;
105 default:
106 Q_UNREACHABLE();
107 break;
108 }
109
110 return st;
111 }
112
operationTransition(QQuickStackView::Operation operation,QQuickStackView::Operation transition)113 static QQuickStackView::Operation operationTransition(QQuickStackView::Operation operation, QQuickStackView::Operation transition)
114 {
115 if (operation == QQuickStackView::Immediate || operation == QQuickStackView::Transition)
116 return transition;
117 return operation;
118 }
119
popExit(QQuickStackView::Operation operation,QQuickStackElement * element,QQuickStackView * view)120 QQuickStackTransition QQuickStackTransition::popExit(QQuickStackView::Operation operation, QQuickStackElement *element, QQuickStackView *view)
121 {
122 return exitTransition(operationTransition(operation, QQuickStackView::PopTransition), element, view);
123 }
124
popEnter(QQuickStackView::Operation operation,QQuickStackElement * element,QQuickStackView * view)125 QQuickStackTransition QQuickStackTransition::popEnter(QQuickStackView::Operation operation, QQuickStackElement *element, QQuickStackView *view)
126 {
127 return enterTransition(operationTransition(operation, QQuickStackView::PopTransition), element, view);
128 }
129
pushExit(QQuickStackView::Operation operation,QQuickStackElement * element,QQuickStackView * view)130 QQuickStackTransition QQuickStackTransition::pushExit(QQuickStackView::Operation operation, QQuickStackElement *element, QQuickStackView *view)
131 {
132 return exitTransition(operationTransition(operation, QQuickStackView::PushTransition), element, view);
133 }
134
pushEnter(QQuickStackView::Operation operation,QQuickStackElement * element,QQuickStackView * view)135 QQuickStackTransition QQuickStackTransition::pushEnter(QQuickStackView::Operation operation, QQuickStackElement *element, QQuickStackView *view)
136 {
137 return enterTransition(operationTransition(operation, QQuickStackView::PushTransition), element, view);
138 }
139
replaceExit(QQuickStackView::Operation operation,QQuickStackElement * element,QQuickStackView * view)140 QQuickStackTransition QQuickStackTransition::replaceExit(QQuickStackView::Operation operation, QQuickStackElement *element, QQuickStackView *view)
141 {
142 return exitTransition(operationTransition(operation, QQuickStackView::ReplaceTransition), element, view);
143 }
144
replaceEnter(QQuickStackView::Operation operation,QQuickStackElement * element,QQuickStackView * view)145 QQuickStackTransition QQuickStackTransition::replaceEnter(QQuickStackView::Operation operation, QQuickStackElement *element, QQuickStackView *view)
146 {
147 return enterTransition(operationTransition(operation, QQuickStackView::ReplaceTransition), element, view);
148 }
149
150 QT_END_NAMESPACE
151