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32 #include "core/animation/CompositorPendingAnimations.h"
34 #include "core/animation/Animation.h"
35 #include "core/animation/DocumentTimeline.h"
36 #include "core/frame/FrameView.h"
37 #include "core/page/Page.h"
38 #include "core/rendering/RenderLayer.h"
42 void CompositorPendingAnimations::add(AnimationPlayer* player)
44 Page* page = player->timeline()->document()->page();
45 bool visible = page && page->visibilityState() == PageVisibilityStateVisible;
46 if (!player->hasStartTime() && !visible)
47 player->setStartTimeInternal(player->timeline()->currentTimeInternal(), true);
49 m_pending.append(player);
52 bool CompositorPendingAnimations::startPendingAnimations()
54 bool startedSynchronizedOnCompositor = false;
55 for (size_t i = 0; i < m_pending.size(); ++i) {
56 if (!m_pending[i]->hasActiveAnimationsOnCompositor() && m_pending[i]->maybeStartAnimationOnCompositor() && !m_pending[i]->hasStartTime())
57 startedSynchronizedOnCompositor = true;
60 // If any synchronized animations were started on the compositor, all
61 // remaning synchronized animations need to wait for the synchronized
62 // start time. Otherwise they may start immediately.
63 if (startedSynchronizedOnCompositor) {
64 for (size_t i = 0; i < m_pending.size(); ++i) {
65 if (!m_pending[i]->hasStartTime()) {
66 m_waitingForCompositorAnimationStart.append(m_pending[i]);
70 for (size_t i = 0; i < m_pending.size(); ++i) {
71 if (!m_pending[i]->hasStartTime()) {
72 m_pending[i]->setStartTimeInternal(m_pending[i]->timeline()->currentTimeInternal(), true);
78 if (startedSynchronizedOnCompositor || m_waitingForCompositorAnimationStart.isEmpty())
79 return !m_waitingForCompositorAnimationStart.isEmpty();
81 // Check if we're still waiting for any compositor animations to start.
82 for (size_t i = 0; i < m_waitingForCompositorAnimationStart.size(); ++i) {
83 if (m_waitingForCompositorAnimationStart[i].get()->hasActiveAnimationsOnCompositor())
87 // If not, go ahead and start any animations that were waiting.
88 notifyCompositorAnimationStarted(monotonicallyIncreasingTime());
92 void CompositorPendingAnimations::notifyCompositorAnimationStarted(double monotonicAnimationStartTime)
94 for (size_t i = 0; i < m_waitingForCompositorAnimationStart.size(); ++i) {
95 AnimationPlayer* player = m_waitingForCompositorAnimationStart[i].get();
96 player->setStartTimeInternal(monotonicAnimationStartTime - player->timeline()->zeroTime(), true);
99 m_waitingForCompositorAnimationStart.clear();