1 | /**************************************************************************** |
2 | ** |
3 | ** Copyright (C) 2016 The Qt Company Ltd. |
4 | ** Copyright (C) 2016 Gunnar Sletta <gunnar@sletta.org> |
5 | ** Contact: https://www.qt.io/licensing/ |
6 | ** |
7 | ** This file is part of the QtQuick module of the Qt Toolkit. |
8 | ** |
9 | ** $QT_BEGIN_LICENSE:LGPL$ |
10 | ** Commercial License Usage |
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18 | ** GNU Lesser General Public License Usage |
19 | ** Alternatively, this file may be used under the terms of the GNU Lesser |
20 | ** General Public License version 3 as published by the Free Software |
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23 | ** ensure the GNU Lesser General Public License version 3 requirements |
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25 | ** |
26 | ** GNU General Public License Usage |
27 | ** Alternatively, this file may be used under the terms of the GNU |
28 | ** General Public License version 2.0 or (at your option) the GNU General |
29 | ** Public license version 3 or any later version approved by the KDE Free |
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36 | ** |
37 | ** $QT_END_LICENSE$ |
38 | ** |
39 | ****************************************************************************/ |
40 | |
41 | #include "qquickanimatorcontroller_p.h" |
42 | |
43 | #include <private/qquickwindow_p.h> |
44 | #include <private/qsgrenderloop_p.h> |
45 | |
46 | #include <private/qanimationgroupjob_p.h> |
47 | |
48 | #include <QtGui/qscreen.h> |
49 | |
50 | #include <QtCore/qcoreapplication.h> |
51 | |
52 | QT_BEGIN_NAMESPACE |
53 | |
54 | QQuickAnimatorController::~QQuickAnimatorController() |
55 | { |
56 | } |
57 | |
58 | QQuickAnimatorController::QQuickAnimatorController(QQuickWindow *window) |
59 | : m_window(window) |
60 | { |
61 | } |
62 | |
63 | static void qquickanimator_invalidate_jobs(QAbstractAnimationJob *job) |
64 | { |
65 | if (job->isRenderThreadJob()) { |
66 | static_cast<QQuickAnimatorJob *>(job)->invalidate(); |
67 | } else if (job->isGroup()) { |
68 | QAnimationGroupJob *g = static_cast<QAnimationGroupJob *>(job); |
69 | for (QAbstractAnimationJob *a = g->firstChild(); a; a = a->nextSibling()) |
70 | qquickanimator_invalidate_jobs(job: a); |
71 | } |
72 | } |
73 | |
74 | void QQuickAnimatorController::windowNodesDestroyed() |
75 | { |
76 | for (const QSharedPointer<QAbstractAnimationJob> &toStop : qAsConst(t&: m_rootsPendingStop)) { |
77 | qquickanimator_invalidate_jobs(job: toStop.data()); |
78 | toStop->stop(); |
79 | } |
80 | m_rootsPendingStop.clear(); |
81 | |
82 | // Clear animation roots and iterate over a temporary to avoid that job->stop() |
83 | // modifies the m_animationRoots and messes with our iteration |
84 | const auto roots = m_animationRoots; |
85 | m_animationRoots.clear(); |
86 | for (const QSharedPointer<QAbstractAnimationJob> &job : roots) { |
87 | qquickanimator_invalidate_jobs(job: job.data()); |
88 | |
89 | // Stop it and add it to the list of pending start so it might get |
90 | // started later on. |
91 | job->stop(); |
92 | m_rootsPendingStart.insert(value: job); |
93 | } |
94 | } |
95 | |
96 | void QQuickAnimatorController::advance() |
97 | { |
98 | bool running = false; |
99 | for (const QSharedPointer<QAbstractAnimationJob> &job : qAsConst(t&: m_animationRoots)) { |
100 | if (job->isRunning()) { |
101 | running = true; |
102 | break; |
103 | } |
104 | } |
105 | |
106 | for (QQuickAnimatorJob *job : qAsConst(t&: m_runningAnimators)) |
107 | job->commit(); |
108 | |
109 | if (running) |
110 | m_window->update(); |
111 | } |
112 | |
113 | static void qquickanimator_sync_before_start(QAbstractAnimationJob *job) |
114 | { |
115 | if (job->isRenderThreadJob()) { |
116 | static_cast<QQuickAnimatorJob *>(job)->preSync(); |
117 | } else if (job->isGroup()) { |
118 | QAnimationGroupJob *g = static_cast<QAnimationGroupJob *>(job); |
119 | for (QAbstractAnimationJob *a = g->firstChild(); a; a = a->nextSibling()) |
120 | qquickanimator_sync_before_start(job: a); |
121 | } |
122 | } |
123 | |
124 | void QQuickAnimatorController::beforeNodeSync() |
125 | { |
126 | for (const QSharedPointer<QAbstractAnimationJob> &toStop : qAsConst(t&: m_rootsPendingStop)) { |
127 | toStop->stop(); |
128 | m_animationRoots.remove(key: toStop.data()); |
129 | } |
130 | m_rootsPendingStop.clear(); |
131 | |
132 | |
133 | for (QQuickAnimatorJob *job : qAsConst(t&: m_runningAnimators)) |
134 | job->preSync(); |
135 | |
136 | // Start pending jobs |
137 | for (const QSharedPointer<QAbstractAnimationJob> &job : qAsConst(t&: m_rootsPendingStart)) { |
138 | Q_ASSERT(!job->isRunning()); |
139 | |
140 | // We want to make sure that presync is called before |
141 | // updateAnimationTime is called the very first time, so before |
142 | // starting a tree of jobs, we go through it and call preSync on all |
143 | // its animators. |
144 | qquickanimator_sync_before_start(job: job.data()); |
145 | |
146 | // The start the job.. |
147 | job->start(); |
148 | m_animationRoots.insert(key: job.data(), value: job); |
149 | } |
150 | m_rootsPendingStart.clear(); |
151 | |
152 | // Issue an update directly on the window to force another render pass. |
153 | if (m_animationRoots.size()) |
154 | m_window->update(); |
155 | } |
156 | |
157 | void QQuickAnimatorController::afterNodeSync() |
158 | { |
159 | for (QQuickAnimatorJob *job : qAsConst(t&: m_runningAnimators)) |
160 | job->postSync(); |
161 | } |
162 | |
163 | void QQuickAnimatorController::animationFinished(QAbstractAnimationJob *job) |
164 | { |
165 | m_animationRoots.remove(key: job); |
166 | } |
167 | |
168 | void QQuickAnimatorController::animationStateChanged(QAbstractAnimationJob *job, |
169 | QAbstractAnimationJob::State newState, |
170 | QAbstractAnimationJob::State oldState) |
171 | { |
172 | Q_ASSERT(job->isRenderThreadJob()); |
173 | QQuickAnimatorJob *animator = static_cast<QQuickAnimatorJob *>(job); |
174 | if (newState == QAbstractAnimationJob::Running) { |
175 | m_runningAnimators.insert(value: animator); |
176 | } else if (oldState == QAbstractAnimationJob::Running) { |
177 | animator->commit(); |
178 | m_runningAnimators.remove(value: animator); |
179 | } |
180 | } |
181 | |
182 | |
183 | void QQuickAnimatorController::requestSync() |
184 | { |
185 | // Force a "sync" pass as the newly started animation needs to sync properties from GUI. |
186 | m_window->maybeUpdate(); |
187 | } |
188 | |
189 | // All this is being executed on the GUI thread while the animator controller |
190 | // is locked. |
191 | void QQuickAnimatorController::start_helper(QAbstractAnimationJob *job) |
192 | { |
193 | if (job->isRenderThreadJob()) { |
194 | QQuickAnimatorJob *j = static_cast<QQuickAnimatorJob *>(job); |
195 | j->addAnimationChangeListener(listener: this, QAbstractAnimationJob::StateChange); |
196 | j->initialize(controller: this); |
197 | } else if (job->isGroup()) { |
198 | QAnimationGroupJob *g = static_cast<QAnimationGroupJob *>(job); |
199 | for (QAbstractAnimationJob *a = g->firstChild(); a; a = a->nextSibling()) |
200 | start_helper(job: a); |
201 | } |
202 | } |
203 | |
204 | // Called by the proxy when it is time to kick off an animation job |
205 | void QQuickAnimatorController::start(const QSharedPointer<QAbstractAnimationJob> &job) |
206 | { |
207 | m_rootsPendingStart.insert(value: job); |
208 | m_rootsPendingStop.remove(value: job); |
209 | job->addAnimationChangeListener(listener: this, QAbstractAnimationJob::Completion); |
210 | start_helper(job: job.data()); |
211 | requestSync(); |
212 | } |
213 | |
214 | |
215 | // Called by the proxy when it is time to stop an animation job. |
216 | void QQuickAnimatorController::cancel(const QSharedPointer<QAbstractAnimationJob> &job) |
217 | { |
218 | m_rootsPendingStart.remove(value: job); |
219 | m_rootsPendingStop.insert(value: job); |
220 | } |
221 | |
222 | |
223 | QT_END_NAMESPACE |
224 | |
225 | #include "moc_qquickanimatorcontroller_p.cpp" |
226 | |