| // Copyright 2019 The Chromium Authors. All rights reserved. |
| // 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 "base/time/time.h" |
| #include "third_party/abseil-cpp/absl/types/optional.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(absl::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; |
| |
| absl::optional<double> localTime() const; |
| void setLocalTime(absl::optional<double> time_ms); |
| absl::optional<base::TimeDelta> local_time() const; |
| |
| private: |
| void UpdateInheritedTime(double inherited_time) const; |
| |
| absl::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 absl::optional<base::TimeDelta> last_update_time_; |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_MODULES_ANIMATIONWORKLET_WORKLET_ANIMATION_EFFECT_H_ |