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/*
* Copyright (C) 2013 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "third_party/blink/renderer/core/animation/inert_effect.h"
#include "third_party/blink/renderer/core/animation/interpolation.h"
namespace blink {
InertEffect::InertEffect(KeyframeEffectModelBase* model,
const Timing& timing,
const AnimationProxy& proxy)
: AnimationEffect(timing),
model_(model),
paused_(proxy.Paused()),
inherited_time_(proxy.InheritedTime()),
timeline_duration_(proxy.TimelineDuration()),
intrinsic_iteration_duration_(proxy.IntrinsicIterationDuration()),
playback_rate_(proxy.PlaybackRate()),
at_scroll_timeline_boundary_(proxy.AtScrollTimelineBoundary()) {}
void InertEffect::Sample(HeapVector<Member<Interpolation>>& result) const {
UpdateInheritedTime(inherited_time_, /* is_idle */ false, playback_rate_,
kTimingUpdateOnDemand);
if (!IsInEffect()) {
result.clear();
return;
}
std::optional<double> iteration = CurrentIteration();
DCHECK(iteration);
DCHECK_GE(iteration.value(), 0);
TimingFunction::LimitDirection limit_direction =
(GetPhase() == Timing::kPhaseBefore)
? TimingFunction::LimitDirection::LEFT
: TimingFunction::LimitDirection::RIGHT;
model_->Sample(ClampTo<int>(iteration.value(), 0), Progress().value(),
limit_direction, NormalizedTiming().iteration_duration,
result);
}
bool InertEffect::Affects(const PropertyHandle& property) const {
return model_->Affects(property);
}
AnimationTimeDelta InertEffect::CalculateTimeToEffectChange(
bool,
std::optional<AnimationTimeDelta>,
AnimationTimeDelta) const {
return AnimationTimeDelta::Max();
}
std::optional<AnimationTimeDelta> InertEffect::TimelineDuration() const {
return timeline_duration_;
}
AnimationTimeDelta InertEffect::IntrinsicIterationDuration() const {
return intrinsic_iteration_duration_;
}
void InertEffect::Trace(Visitor* visitor) const {
visitor->Trace(model_);
AnimationEffect::Trace(visitor);
}
} // namespace blink
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