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31 #include "core/animation/AnimationEffect.h"
32 #include "core/animation/KeyframeEffectModel.h"
33 #include "core/animation/Timing.h"
34 #include "platform/animation/TimingFunction.h"
35 #include "public/platform/WebCompositorAnimation.h"
39 class WebCompositorAnimationCurve;
41 class CompositorAnimationsImpl {
43 struct CompositorTiming {
44 void assertValid() const
46 ASSERT(scaledDuration > 0);
47 ASSERT(std::isfinite(scaledTimeOffset));
48 ASSERT(adjustedIterationCount > 0 || adjustedIterationCount == -1);
49 ASSERT(std::isfinite(playbackRate) && playbackRate);
50 ASSERT(iterationStart >= 0);
53 Timing::PlaybackDirection direction;
54 double scaledDuration;
55 double scaledTimeOffset;
56 double adjustedIterationCount;
58 Timing::FillMode fillMode;
59 double iterationStart;
62 static bool convertTimingForCompositor(const Timing&, double timeOffset, CompositorTiming& out, double playerPlaybackRate);
64 static void getAnimationOnCompositor(const Timing&, double startTime, double timeOffset, const KeyframeEffectModelBase&, Vector<OwnPtr<WebCompositorAnimation> >& animations, double playerPlaybackRate);
66 static void addKeyframesToCurve(WebCompositorAnimationCurve&, const AnimatableValuePropertySpecificKeyframeVector&, const Timing&);
68 friend class CompositorAnimations;
69 friend class AnimationCompositorAnimationsTest;