Source/core/animation/InertEffect.cpp

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#include "config.h"
#include "core/animation/InertEffect.h"

#include "core/animation/Interpolation.h"

namespace blink {

InertEffect* InertEffect::create(EffectModel* effect, const Timing& timing, bool paused, double inheritedTime)
{
    return new InertEffect(effect, timing, paused, inheritedTime);
}

InertEffect::InertEffect(EffectModel* model, const Timing& timing, bool paused, double inheritedTime)
    : AnimationEffect(timing)
    , m_model(model)
    , m_paused(paused)
    , m_inheritedTime(inheritedTime)
{
}

void InertEffect::sample(OwnPtr<Vector<RefPtr<Interpolation>>>& result)
{
    updateInheritedTime(m_inheritedTime, TimingUpdateOnDemand);
    if (!isInEffect()) {
        result.clear();
        return;
    }

    double iteration = currentIteration();
    ASSERT(iteration >= 0);
    m_model->sample(clampTo<int>(iteration, 0), timeFraction(), iterationDuration(), result);
}

double InertEffect::calculateTimeToEffectChange(bool, double, double) const
{
    return std::numeric_limits<double>::infinity();
}

DEFINE_TRACE(InertEffect)
{
    visitor->trace(m_model);
    AnimationEffect::trace(visitor);
}

} // namespace blink