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// Copyright 2015 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_CORE_ANIMATION_CSS_IMAGE_INTERPOLATION_TYPE_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_ANIMATION_CSS_IMAGE_INTERPOLATION_TYPE_H_
#include "third_party/blink/renderer/core/animation/css_interpolation_type.h"
namespace blink {
class StyleImage;
class CSSImageInterpolationType : public CSSInterpolationType {
public:
CSSImageInterpolationType(PropertyHandle property,
const PropertyRegistration* registration = nullptr)
: CSSInterpolationType(property, registration) {}
InterpolationValue MaybeConvertStandardPropertyUnderlyingValue(
const ComputedStyle&) const final;
void Composite(UnderlyingValueOwner&,
double underlying_fraction,
const InterpolationValue&,
double interpolation_fraction) const final;
void ApplyStandardPropertyValue(const InterpolableValue&,
const NonInterpolableValue*,
StyleResolverState&) const final;
static InterpolationValue MaybeConvertCSSValue(const CSSValue&,
bool accept_gradients);
static InterpolationValue MaybeConvertStyleImage(const StyleImage&,
bool accept_gradients);
static InterpolationValue MaybeConvertStyleImage(const StyleImage* image,
bool accept_gradients) {
return image ? MaybeConvertStyleImage(*image, accept_gradients) : nullptr;
}
static PairwiseInterpolationValue StaticMergeSingleConversions(
InterpolationValue&& start,
InterpolationValue&& end);
static StyleImage* ResolveStyleImage(const CSSProperty&,
const InterpolableValue&,
const NonInterpolableValue*,
StyleResolverState&);
static bool EqualNonInterpolableValues(const NonInterpolableValue*,
const NonInterpolableValue*);
private:
InterpolationValue MaybeConvertNeutral(const InterpolationValue& underlying,
ConversionCheckers&) const final;
InterpolationValue MaybeConvertInitial(const StyleResolverState&,
ConversionCheckers&) const final;
InterpolationValue MaybeConvertInherit(const StyleResolverState&,
ConversionCheckers&) const final;
InterpolationValue MaybeConvertValue(const CSSValue&,
const StyleResolverState*,
ConversionCheckers&) const final;
PairwiseInterpolationValue MaybeMergeSingles(
InterpolationValue&& start,
InterpolationValue&& end) const final {
return StaticMergeSingleConversions(std::move(start), std::move(end));
}
static const CSSValue* StaticCreateCSSValue(const InterpolableValue&,
const NonInterpolableValue*);
const CSSValue* CreateCSSValue(const InterpolableValue&,
const NonInterpolableValue*,
const StyleResolverState&) const final;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_ANIMATION_CSS_IMAGE_INTERPOLATION_TYPE_H_
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