1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef LengthStyleInterpolation_h
6 #define LengthStyleInterpolation_h
8 #include "core/animation/StyleInterpolation.h"
9 #include "platform/Length.h"
13 class LengthStyleInterpolation : public StyleInterpolation {
15 static PassRefPtrWillBeRawPtr<LengthStyleInterpolation> create(CSSValue* start, CSSValue* end, CSSPropertyID id, ValueRange range)
17 return adoptRefWillBeNoop(new LengthStyleInterpolation(lengthToInterpolableValue(start), lengthToInterpolableValue(end), id, range));
20 static bool canCreateFrom(const CSSValue&);
22 virtual void apply(StyleResolverState&) const OVERRIDE;
24 virtual void trace(Visitor*) OVERRIDE;
27 LengthStyleInterpolation(PassOwnPtrWillBeRawPtr<InterpolableValue> start, PassOwnPtrWillBeRawPtr<InterpolableValue> end, CSSPropertyID id, ValueRange range)
28 : StyleInterpolation(start, end, id)
32 static PassOwnPtrWillBeRawPtr<InterpolableValue> lengthToInterpolableValue(CSSValue*);
33 static PassRefPtrWillBeRawPtr<CSSValue> interpolableValueToLength(InterpolableValue*, ValueRange);
37 friend class AnimationLengthStyleInterpolationTest;