chromium/third_party/blink/renderer/core/animation/css_var_cycle_interpolation_type.cc

// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "third_party/blink/renderer/core/animation/css_var_cycle_interpolation_type.h"

#include <memory>
#include <utility>

#include "base/memory/ptr_util.h"
#include "third_party/blink/renderer/core/animation/css_interpolation_environment.h"
#include "third_party/blink/renderer/core/animation/string_keyframe.h"
#include "third_party/blink/renderer/core/css/css_unparsed_declaration_value.h"
#include "third_party/blink/renderer/core/css/css_unset_value.h"
#include "third_party/blink/renderer/core/css/property_registration.h"
#include "third_party/blink/renderer/core/css/resolver/style_builder.h"
#include "third_party/blink/renderer/core/css/resolver/style_cascade.h"
#include "third_party/blink/renderer/core/style/computed_style.h"

namespace blink {

class CycleChecker : public InterpolationType::ConversionChecker { … };

CSSVarCycleInterpolationType::CSSVarCycleInterpolationType(
    const PropertyHandle& property,
    const PropertyRegistration& registration)
    : … { … }

static InterpolationValue CreateCycleDetectedValue() { … }

InterpolationValue CSSVarCycleInterpolationType::MaybeConvertSingle(
    const PropertySpecificKeyframe& keyframe,
    const InterpolationEnvironment& environment,
    const InterpolationValue& underlying,
    ConversionCheckers& conversion_checkers) const { … }

static bool IsCycleDetected(const InterpolationValue& value) { … }

PairwiseInterpolationValue CSSVarCycleInterpolationType::MaybeConvertPairwise(
    const PropertySpecificKeyframe& start_keyframe,
    const PropertySpecificKeyframe& end_keyframe,
    const InterpolationEnvironment& environment,
    const InterpolationValue& underlying,
    ConversionCheckers& conversionCheckers) const { … }

InterpolationValue CSSVarCycleInterpolationType::MaybeConvertUnderlyingValue(
    const InterpolationEnvironment& environment) const { … }

void CSSVarCycleInterpolationType::Apply(
    const InterpolableValue&,
    const NonInterpolableValue*,
    InterpolationEnvironment& environment) const { … }

}  // namespace blink