1// Copyright (C) 2016 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#include "private/qanimationgroupjob_p.h"
5
6QT_BEGIN_NAMESPACE
7
8QAnimationGroupJob::QAnimationGroupJob()
9{
10 m_isGroup = true;
11}
12
13void QAnimationGroupJob::ungroupChild(QAbstractAnimationJob *animation)
14{
15 Q_ASSERT(animation);
16 Q_ASSERT(animation->m_group == this);
17 m_children.remove(n: animation);
18 animation->m_group = nullptr;
19}
20
21void QAnimationGroupJob::handleAnimationRemoved(QAbstractAnimationJob *animation)
22{
23 resetUncontrolledAnimationFinishTime(anim: animation);
24 if (m_children.isEmpty()) {
25 m_currentTime = 0;
26 stop();
27 }
28}
29
30QAnimationGroupJob::~QAnimationGroupJob()
31{
32 while (QAbstractAnimationJob *animation = m_children.first()) {
33 ungroupChild(animation);
34 handleAnimationRemoved(animation);
35 delete animation;
36 }
37}
38
39void QAnimationGroupJob::topLevelAnimationLoopChanged()
40{
41 for (QAbstractAnimationJob *animation : m_children)
42 animation->fireTopLevelAnimationLoopChanged();
43}
44
45void QAnimationGroupJob::appendAnimation(QAbstractAnimationJob *animation)
46{
47 if (QAnimationGroupJob *oldGroup = animation->m_group)
48 oldGroup->removeAnimation(animation);
49
50 Q_ASSERT(!animation->isInList());
51
52 m_children.append(n: animation);
53 animation->m_group = this;
54 animationInserted(animation);
55}
56
57void QAnimationGroupJob::prependAnimation(QAbstractAnimationJob *animation)
58{
59 if (QAnimationGroupJob *oldGroup = animation->m_group)
60 oldGroup->removeAnimation(animation);
61
62 Q_ASSERT(!animation->isInList());
63
64 m_children.prepend(n: animation);
65 animation->m_group = this;
66 animationInserted(animation);
67}
68
69void QAnimationGroupJob::removeAnimation(QAbstractAnimationJob *animation)
70{
71 QAbstractAnimationJob *prev = m_children.prev(current: animation);
72 QAbstractAnimationJob *next = m_children.next(current: animation);
73 ungroupChild(animation);
74 animationRemoved(animation, prev, next);
75}
76
77void QAnimationGroupJob::clear()
78{
79 while (QAbstractAnimationJob *child = m_children.first()) {
80 removeAnimation(animation: child);
81 delete child;
82 }
83
84 Q_ASSERT(m_children.isEmpty());
85}
86
87void QAnimationGroupJob::resetUncontrolledAnimationsFinishTime()
88{
89 for (QAbstractAnimationJob *animation : m_children) {
90 if (animation->duration() == -1 || animation->loopCount() < 0) {
91 resetUncontrolledAnimationFinishTime(anim: animation);
92 }
93 }
94}
95
96void QAnimationGroupJob::resetUncontrolledAnimationFinishTime(QAbstractAnimationJob *anim)
97{
98 setUncontrolledAnimationFinishTime(anim, time: -1);
99}
100
101void QAnimationGroupJob::setUncontrolledAnimationFinishTime(QAbstractAnimationJob *anim, int time)
102{
103 anim->m_uncontrolledFinishTime = time;
104}
105
106void QAnimationGroupJob::uncontrolledAnimationFinished(QAbstractAnimationJob *animation)
107{
108 Q_UNUSED(animation);
109}
110
111void QAnimationGroupJob::animationRemoved(QAbstractAnimationJob* anim, QAbstractAnimationJob* , QAbstractAnimationJob* )
112{
113 handleAnimationRemoved(animation: anim);
114}
115
116void QAnimationGroupJob::debugChildren(QDebug d) const
117{
118 int indentLevel = 1;
119 const QAnimationGroupJob *group = this;
120 while ((group = group->m_group))
121 ++indentLevel;
122
123 QByteArray ind(indentLevel, ' ');
124 for (const QAbstractAnimationJob *child : m_children)
125 d << "\n" << ind.constData() << child;
126}
127
128QT_END_NAMESPACE
129

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source code of qtdeclarative/src/qml/animations/qanimationgroupjob.cpp