| // 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 CSSVisibilityInterpolationType_h |
| #define CSSVisibilityInterpolationType_h |
| |
| #include "core/animation/CSSInterpolationType.h" |
| #include "core/style/ComputedStyleConstants.h" |
| |
| namespace blink { |
| |
| class CSSVisibilityInterpolationType : public CSSInterpolationType { |
| public: |
| CSSVisibilityInterpolationType(PropertyHandle property) |
| : CSSInterpolationType(property) { |
| DCHECK_EQ(cssProperty(), CSSPropertyVisibility); |
| } |
| |
| InterpolationValue maybeConvertStandardPropertyUnderlyingValue( |
| const StyleResolverState&) const final; |
| PairwiseInterpolationValue maybeMergeSingles( |
| InterpolationValue&& start, |
| InterpolationValue&& end) const final; |
| void composite(UnderlyingValueOwner&, |
| double underlyingFraction, |
| const InterpolationValue&, |
| double interpolationFraction) const final; |
| void applyStandardPropertyValue(const InterpolableValue&, |
| const NonInterpolableValue*, |
| StyleResolverState&) const final; |
| |
| private: |
| InterpolationValue createVisibilityValue(EVisibility) const; |
| 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; |
| }; |
| |
| } // namespace blink |
| |
| #endif // CSSVisibilityInterpolationType_h |
