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32 #include "core/animation/css/CSSPendingAnimations.h"
34 #include "core/animation/Animation.h"
35 #include "core/animation/DocumentTimeline.h"
36 #include "core/frame/FrameView.h"
37 #include "core/rendering/RenderLayer.h"
41 void CSSPendingAnimations::add(AnimationPlayer* player)
43 ASSERT(player->source()->isAnimation());
44 m_pending.append(player);
47 bool CSSPendingAnimations::startPendingAnimations()
49 bool startedOnCompositor = false;
50 for (size_t i = 0; i < m_pending.size(); ++i) {
51 if (m_pending[i]->maybeStartAnimationOnCompositor())
52 startedOnCompositor = true;
55 // If any animations were started on the compositor, all remaining
56 // need to wait for a synchronized start time. Otherwise they may
58 if (startedOnCompositor) {
59 for (size_t i = 0; i < m_pending.size(); ++i)
60 m_waitingForCompositorAnimationStart.append(m_pending[i]);
62 for (size_t i = 0; i < m_pending.size(); ++i) {
63 m_pending[i]->setStartTime(m_pending[i]->timeline()->currentTime());
64 m_pending[i]->update();
69 if (startedOnCompositor || m_waitingForCompositorAnimationStart.isEmpty())
70 return !m_waitingForCompositorAnimationStart.isEmpty();
72 // Check if we're still waiting for any compositor animations to start.
73 for (size_t i = 0; i < m_waitingForCompositorAnimationStart.size(); ++i) {
74 if (m_waitingForCompositorAnimationStart[i].get()->hasActiveAnimationsOnCompositor())
78 // If not, go ahead and start any animations that were waiting.
79 notifyCompositorAnimationStarted(monotonicallyIncreasingTime());
83 void CSSPendingAnimations::notifyCompositorAnimationStarted(double monotonicAnimationStartTime)
85 for (size_t i = 0; i < m_waitingForCompositorAnimationStart.size(); ++i) {
86 AnimationPlayer* player = m_waitingForCompositorAnimationStart[i].get();
87 player->setStartTime(monotonicAnimationStartTime - player->timeline()->zeroTime());
91 m_waitingForCompositorAnimationStart.clear();