| // 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 CSSValueInterpolationType_h |
| #define CSSValueInterpolationType_h |
| |
| #include "core/animation/CSSInterpolationType.h" |
| |
| namespace blink { |
| |
| // Never supports pairwise conversion while always supporting single conversion. |
| // A catch all for default for CSSValues. |
| class CSSValueInterpolationType : public CSSInterpolationType { |
| public: |
| CSSValueInterpolationType(PropertyHandle property) |
| : CSSInterpolationType(property) {} |
| |
| PairwiseInterpolationValue maybeConvertPairwise( |
| const PropertySpecificKeyframe& startKeyframe, |
| const PropertySpecificKeyframe& endKeyframe, |
| const InterpolationEnvironment&, |
| const InterpolationValue& underlying, |
| ConversionCheckers&) const final { |
| return nullptr; |
| } |
| |
| InterpolationValue maybeConvertSingle(const PropertySpecificKeyframe&, |
| const InterpolationEnvironment&, |
| const InterpolationValue& underlying, |
| ConversionCheckers&) const final; |
| |
| InterpolationValue maybeConvertUnderlyingValue( |
| const InterpolationEnvironment&) const final { |
| return nullptr; |
| } |
| |
| // As we override CSSInterpolationType::maybeConvertSingle, these are never |
| // called. |
| InterpolationValue maybeConvertNeutral(const InterpolationValue& underlying, |
| ConversionCheckers&) const final { |
| NOTREACHED(); |
| return nullptr; |
| } |
| InterpolationValue maybeConvertInitial(const StyleResolverState&, |
| ConversionCheckers&) const final { |
| NOTREACHED(); |
| return nullptr; |
| } |
| InterpolationValue maybeConvertInherit(const StyleResolverState&, |
| ConversionCheckers&) const final { |
| NOTREACHED(); |
| return nullptr; |
| } |
| InterpolationValue maybeConvertValue(const CSSValue& value, |
| const StyleResolverState&, |
| ConversionCheckers&) const final { |
| NOTREACHED(); |
| return nullptr; |
| } |
| |
| void composite(UnderlyingValueOwner& underlyingValueOwner, |
| double underlyingFraction, |
| const InterpolationValue& value, |
| double interpolationFraction) const final { |
| underlyingValueOwner.set(*this, value); |
| } |
| |
| void apply(const InterpolableValue&, |
| const NonInterpolableValue*, |
| InterpolationEnvironment&) const final; |
| }; |
| |
| } // namespace blink |
| |
| #endif // CSSValueInterpolationType_h |