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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(Player* player)
43 ASSERT(player->source()->isAnimation());
44 // The actual start time is either this value, or the time that
45 // this animation, or an animation that it is synchronized with
46 // is started on the compositor.
47 const double defaultStartTime = player->timeline()->currentTime();
48 m_pending.append(std::make_pair(player, defaultStartTime));
51 bool CSSPendingAnimations::startPendingAnimations()
53 // FIXME: This is called from within style recalc, at which point compositor state is not up to date.
54 // https://code.google.com/p/chromium/issues/detail?id=339847
55 DisableCompositingQueryAsserts disabler;
57 bool startedOnCompositor = false;
58 for (size_t i = 0; i < m_pending.size(); ++i) {
59 if (m_pending[i].first->maybeStartAnimationOnCompositor())
60 startedOnCompositor = true;
63 // If any animations were started on the compositor, all remaining
64 // need to wait for a synchronized start time. Otherwise they may
66 if (startedOnCompositor) {
67 for (size_t i = 0; i < m_pending.size(); ++i)
68 m_waitingForCompositorAnimationStart.append(m_pending[i].first);
70 for (size_t i = 0; i < m_pending.size(); ++i) {
71 m_pending[i].first->setStartTime(m_pending[i].second);
72 m_pending[i].first->update();
77 if (startedOnCompositor || m_waitingForCompositorAnimationStart.isEmpty())
78 return !m_waitingForCompositorAnimationStart.isEmpty();
80 // Check if we're still waiting for any compositor animations to start.
81 for (size_t i = 0; i < m_waitingForCompositorAnimationStart.size(); ++i) {
82 if (m_waitingForCompositorAnimationStart[i].get()->hasActiveAnimationsOnCompositor())
86 // If not, go ahead and start any animations that were waiting.
87 notifyCompositorAnimationStarted(monotonicallyIncreasingTime());
91 void CSSPendingAnimations::notifyCompositorAnimationStarted(double monotonicAnimationStartTime)
93 for (size_t i = 0; i < m_waitingForCompositorAnimationStart.size(); ++i) {
94 Player* player = m_waitingForCompositorAnimationStart[i].get();
95 player->setStartTime(monotonicAnimationStartTime - player->timeline()->zeroTime());
99 m_waitingForCompositorAnimationStart.clear();