WIP: Implement CSS transitions on top of InterpolationTypes instead of AnimatableValues

third_party/WebKit/Source/core/animation/InvalidatableInterpolation.h

Index: third_party/WebKit/Source/core/animation/InvalidatableInterpolation.h
diff --git a/third_party/WebKit/Source/core/animation/InvalidatableInterpolation.h b/third_party/WebKit/Source/core/animation/InvalidatableInterpolation.h
deleted file mode 100644
index 88430934824ade771888b7cd7c378f66db01ec6d..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/core/animation/InvalidatableInterpolation.h
+++ /dev/null
@@ -1,81 +0,0 @@
-// 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 InvalidatableInterpolation_h
-#define InvalidatableInterpolation_h
-
-#include "core/animation/InterpolationType.h"
-#include "core/animation/PrimitiveInterpolation.h"
-#include "core/animation/PropertyInterpolationTypesMapping.h"
-#include "core/animation/StyleInterpolation.h"
-#include "core/animation/TypedInterpolationValue.h"
-#include <memory>
-
-namespace blink {
-
-// TODO(alancutter): This class will replace *StyleInterpolation and Interpolation.
-// For now it needs to distinguish itself during the refactor and temporarily has an ugly name.
-class CORE_EXPORT InvalidatableInterpolation : public Interpolation {
-public:
-    static PassRefPtr<InvalidatableInterpolation> create(
-        PropertyHandle property,
-        const InterpolationTypes& interpolationTypes,
-        PassRefPtr<PropertySpecificKeyframe> startKeyframe,
-        PassRefPtr<PropertySpecificKeyframe> endKeyframe)
-    {
-        return adoptRef(new InvalidatableInterpolation(property, interpolationTypes, startKeyframe, endKeyframe));
-    }
-
-    PropertyHandle getProperty() const final { return m_property; }
-    virtual void interpolate(int iteration, double fraction);
-    bool dependsOnUnderlyingValue() const final;
-    virtual void apply(InterpolationEnvironment&) const { NOTREACHED(); }
-    static void applyStack(const ActiveInterpolations&, InterpolationEnvironment&);
-
-    virtual bool isInvalidatableInterpolation() const { return true; }
-
-private:
-    InvalidatableInterpolation(
-        PropertyHandle property,
-        const InterpolationTypes& interpolationTypes,
-        PassRefPtr<PropertySpecificKeyframe> startKeyframe,
-        PassRefPtr<PropertySpecificKeyframe> endKeyframe)
-        : Interpolation(nullptr, nullptr)
-        , m_property(property)
-        , m_interpolationTypes(interpolationTypes)
-        , m_startKeyframe(startKeyframe)
-        , m_endKeyframe(endKeyframe)
-        , m_currentFraction(std::numeric_limits<double>::quiet_NaN())
-        , m_isCached(false)
-    { }
-
-    using ConversionCheckers = InterpolationType::ConversionCheckers;
-
-    std::unique_ptr<TypedInterpolationValue> maybeConvertUnderlyingValue(const InterpolationEnvironment&) const;
-    const TypedInterpolationValue* ensureValidInterpolation(const InterpolationEnvironment&, const UnderlyingValueOwner&) const;
-    void clearCache() const;
-    bool isCacheValid(const InterpolationEnvironment&, const UnderlyingValueOwner&) const;
-    bool isNeutralKeyframeActive() const;
-    std::unique_ptr<PairwisePrimitiveInterpolation> maybeConvertPairwise(const InterpolationEnvironment&, const UnderlyingValueOwner&) const;
-    std::unique_ptr<TypedInterpolationValue> convertSingleKeyframe(const PropertySpecificKeyframe&, const InterpolationEnvironment&, const UnderlyingValueOwner&) const;
-    void addConversionCheckers(const InterpolationType&, ConversionCheckers&) const;
-    void setFlagIfInheritUsed(InterpolationEnvironment&) const;
-    double underlyingFraction() const;
-
-    const PropertyHandle m_property;
-    const InterpolationTypes& m_interpolationTypes;
-    RefPtr<PropertySpecificKeyframe> m_startKeyframe;
-    RefPtr<PropertySpecificKeyframe> m_endKeyframe;
-    double m_currentFraction;
-    mutable bool m_isCached;
-    mutable std::unique_ptr<PrimitiveInterpolation> m_cachedPairConversion;
-    mutable ConversionCheckers m_conversionCheckers;
-    mutable std::unique_ptr<TypedInterpolationValue> m_cachedValue;
-};
-
-DEFINE_TYPE_CASTS(InvalidatableInterpolation, Interpolation, value, value->isInvalidatableInterpolation(), value.isInvalidatableInterpolation());
-
-} // namespace blink
-
-#endif // InvalidatableInterpolation_h