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| 2 | ** |
| 3 | ** Copyright (C) 2016 The Qt Company Ltd. |
| 4 | ** Contact: https://www.qt.io/licensing/ |
| 5 | ** |
| 6 | ** This file is part of the QtQml module of the Qt Toolkit. |
| 7 | ** |
| 8 | ** $QT_BEGIN_LICENSE:LGPL$ |
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| 17 | ** GNU Lesser General Public License Usage |
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| 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 |
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| 38 | ****************************************************************************/ |
| 39 | |
| 40 | #include "private/qanimationgroupjob_p.h" |
| 41 | |
| 42 | QT_BEGIN_NAMESPACE |
| 43 | |
| 44 | QAnimationGroupJob::QAnimationGroupJob() |
| 45 | : QAbstractAnimationJob(), m_firstChild(nullptr), m_lastChild(nullptr) |
| 46 | { |
| 47 | m_isGroup = true; |
| 48 | } |
| 49 | |
| 50 | void QAnimationGroupJob::ungroupChild(QAbstractAnimationJob *animation) |
| 51 | { |
| 52 | Q_ASSERT(animation); |
| 53 | Q_ASSERT(animation->m_group == this); |
| 54 | QAbstractAnimationJob *prev = animation->previousSibling(); |
| 55 | QAbstractAnimationJob *next = animation->nextSibling(); |
| 56 | |
| 57 | if (prev) |
| 58 | prev->m_nextSibling = next; |
| 59 | else |
| 60 | m_firstChild = next; |
| 61 | |
| 62 | if (next) |
| 63 | next->m_previousSibling = prev; |
| 64 | else |
| 65 | m_lastChild = prev; |
| 66 | |
| 67 | animation->m_previousSibling = nullptr; |
| 68 | animation->m_nextSibling = nullptr; |
| 69 | |
| 70 | animation->m_group = nullptr; |
| 71 | } |
| 72 | |
| 73 | void QAnimationGroupJob::handleAnimationRemoved(QAbstractAnimationJob *animation) |
| 74 | { |
| 75 | resetUncontrolledAnimationFinishTime(anim: animation); |
| 76 | if (!firstChild()) { |
| 77 | m_currentTime = 0; |
| 78 | stop(); |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | QAnimationGroupJob::~QAnimationGroupJob() |
| 83 | { |
| 84 | while (QAbstractAnimationJob *animation = firstChild()) { |
| 85 | ungroupChild(animation); |
| 86 | handleAnimationRemoved(animation); |
| 87 | delete animation; |
| 88 | } |
| 89 | } |
| 90 | |
| 91 | void QAnimationGroupJob::topLevelAnimationLoopChanged() |
| 92 | { |
| 93 | for (QAbstractAnimationJob *animation = firstChild(); animation; animation = animation->nextSibling()) |
| 94 | animation->fireTopLevelAnimationLoopChanged(); |
| 95 | } |
| 96 | |
| 97 | void QAnimationGroupJob::appendAnimation(QAbstractAnimationJob *animation) |
| 98 | { |
| 99 | if (QAnimationGroupJob *oldGroup = animation->m_group) |
| 100 | oldGroup->removeAnimation(animation); |
| 101 | |
| 102 | Q_ASSERT(!animation->previousSibling() && !animation->nextSibling()); |
| 103 | |
| 104 | if (m_lastChild) |
| 105 | m_lastChild->m_nextSibling = animation; |
| 106 | else |
| 107 | m_firstChild = animation; |
| 108 | animation->m_previousSibling = m_lastChild; |
| 109 | m_lastChild = animation; |
| 110 | |
| 111 | animation->m_group = this; |
| 112 | animationInserted(animation); |
| 113 | } |
| 114 | |
| 115 | void QAnimationGroupJob::prependAnimation(QAbstractAnimationJob *animation) |
| 116 | { |
| 117 | if (QAnimationGroupJob *oldGroup = animation->m_group) |
| 118 | oldGroup->removeAnimation(animation); |
| 119 | |
| 120 | Q_ASSERT(!previousSibling() && !nextSibling()); |
| 121 | |
| 122 | if (m_firstChild) |
| 123 | m_firstChild->m_previousSibling = animation; |
| 124 | else |
| 125 | m_lastChild = animation; |
| 126 | animation->m_nextSibling = m_firstChild; |
| 127 | m_firstChild = animation; |
| 128 | |
| 129 | animation->m_group = this; |
| 130 | animationInserted(animation); |
| 131 | } |
| 132 | |
| 133 | void QAnimationGroupJob::removeAnimation(QAbstractAnimationJob *animation) |
| 134 | { |
| 135 | QAbstractAnimationJob *prev = animation->previousSibling(); |
| 136 | QAbstractAnimationJob *next = animation->nextSibling(); |
| 137 | ungroupChild(animation); |
| 138 | animationRemoved(animation, prev, next); |
| 139 | } |
| 140 | |
| 141 | void QAnimationGroupJob::clear() |
| 142 | { |
| 143 | while (QAbstractAnimationJob *child = firstChild()) { |
| 144 | removeAnimation(animation: child); |
| 145 | delete child; |
| 146 | } |
| 147 | m_firstChild = nullptr; |
| 148 | m_lastChild = nullptr; |
| 149 | } |
| 150 | |
| 151 | void QAnimationGroupJob::resetUncontrolledAnimationsFinishTime() |
| 152 | { |
| 153 | for (QAbstractAnimationJob *animation = firstChild(); animation; animation = animation->nextSibling()) { |
| 154 | if (animation->duration() == -1 || animation->loopCount() < 0) { |
| 155 | resetUncontrolledAnimationFinishTime(anim: animation); |
| 156 | } |
| 157 | } |
| 158 | } |
| 159 | |
| 160 | void QAnimationGroupJob::resetUncontrolledAnimationFinishTime(QAbstractAnimationJob *anim) |
| 161 | { |
| 162 | setUncontrolledAnimationFinishTime(anim, time: -1); |
| 163 | } |
| 164 | |
| 165 | void QAnimationGroupJob::setUncontrolledAnimationFinishTime(QAbstractAnimationJob *anim, int time) |
| 166 | { |
| 167 | anim->m_uncontrolledFinishTime = time; |
| 168 | } |
| 169 | |
| 170 | void QAnimationGroupJob::uncontrolledAnimationFinished(QAbstractAnimationJob *animation) |
| 171 | { |
| 172 | Q_UNUSED(animation); |
| 173 | } |
| 174 | |
| 175 | void QAnimationGroupJob::animationRemoved(QAbstractAnimationJob* anim, QAbstractAnimationJob* , QAbstractAnimationJob* ) |
| 176 | { |
| 177 | handleAnimationRemoved(animation: anim); |
| 178 | } |
| 179 | |
| 180 | void QAnimationGroupJob::debugChildren(QDebug d) const |
| 181 | { |
| 182 | int indentLevel = 1; |
| 183 | const QAnimationGroupJob *group = this; |
| 184 | while ((group = group->m_group)) |
| 185 | ++indentLevel; |
| 186 | |
| 187 | QByteArray ind(indentLevel, ' '); |
| 188 | for (QAbstractAnimationJob *child = firstChild(); child; child = child->nextSibling()) |
| 189 | d << "\n" << ind.constData() << child; |
| 190 | } |
| 191 | |
| 192 | QT_END_NAMESPACE |
| 193 | |