| 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 QtQml module of the Qt Toolkit. | 
| 7 | ** | 
| 8 | ** $QT_BEGIN_LICENSE:LGPL$ | 
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| 16 | ** | 
| 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 | 
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| 34 | ** https://www.gnu.org/licenses/gpl-3.0.html. | 
| 35 | ** | 
| 36 | ** $QT_END_LICENSE$ | 
| 37 | ** | 
| 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 |  |