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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_ANIMATIONWORKLET_WORKLET_ANIMATION_EFFECT_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_ANIMATIONWORKLET_WORKLET_ANIMATION_EFFECT_H_
#include <optional>
#include "base/time/time.h"
#include "third_party/blink/renderer/core/animation/timing.h"
#include "third_party/blink/renderer/modules/modules_export.h"
#include "third_party/blink/renderer/platform/bindings/script_wrappable.h"
namespace blink {
class EffectTiming;
class ComputedEffectTiming;
class MODULES_EXPORT WorkletAnimationEffect : public ScriptWrappable {
DEFINE_WRAPPERTYPEINFO();
public:
WorkletAnimationEffect(std::optional<base::TimeDelta> local_time,
const Timing& timing,
const Timing::NormalizedTiming& normalized_timing);
// Because getTiming needs to be used below, SpecifiedTiming will be used to
// return the specified Timing object given at initialization
const Timing& SpecifiedTiming() { return specified_timing_; }
const Timing::NormalizedTiming& NormalizedTiming() {
return normalized_timing_;
}
// This function is named getTiming() as opposed to getEffectTiming() because
// that is how it is defined in worklet_animation_effect.idl
EffectTiming* getTiming() const;
ComputedEffectTiming* getComputedTiming() const;
std::optional<double> localTime() const;
void setLocalTime(std::optional<double> time_ms);
std::optional<base::TimeDelta> local_time() const;
private:
void UpdateInheritedTime(double inherited_time) const;
std::optional<base::TimeDelta> local_time_;
// We chose to not call this variable "timing_" to avoid confusion with the
// above function call getTiming() which returns a pointer to an EffectTiming
// object, as is defined in worklet_animation_effect.idl.
const Timing specified_timing_;
const Timing::NormalizedTiming normalized_timing_;
mutable Timing::CalculatedTiming calculated_;
// last_update_time_ has type base::TimeDelta to match the type of local_time_
// since it is a cached value of local_time_
mutable std::optional<base::TimeDelta> last_update_time_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_ANIMATIONWORKLET_WORKLET_ANIMATION_EFFECT_H_
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