Index: third_party/WebKit/Source/core/animation/InvalidatableStyleInterpolation.cpp |
diff --git a/third_party/WebKit/Source/core/animation/InvalidatableStyleInterpolation.cpp b/third_party/WebKit/Source/core/animation/InvalidatableStyleInterpolation.cpp |
deleted file mode 100644 |
index 11d5be21003d4722552b1bb22e8d9a7181d62e2a..0000000000000000000000000000000000000000 |
--- a/third_party/WebKit/Source/core/animation/InvalidatableStyleInterpolation.cpp |
+++ /dev/null |
@@ -1,200 +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. |
- |
-#include "config.h" |
-#include "core/animation/InvalidatableStyleInterpolation.h" |
- |
-#include "core/animation/InterpolationEnvironment.h" |
-#include "core/animation/StringKeyframe.h" |
-#include "core/css/resolver/StyleResolverState.h" |
- |
-namespace blink { |
- |
-void InvalidatableStyleInterpolation::interpolate(int, double fraction) |
-{ |
- if (fraction == m_currentFraction) |
- return; |
- |
- if (m_currentFraction == 0 || m_currentFraction == 1 || fraction == 0 || fraction == 1) |
- clearCache(); |
- |
- m_currentFraction = fraction; |
- if (m_isCached && m_cachedPairConversion) |
- m_cachedPairConversion->interpolateValue(fraction, m_cachedValue); |
- // We defer the interpolation to ensureValidInterpolation() if m_cachedPairConversion is null. |
-} |
- |
-PassOwnPtr<PairwisePrimitiveInterpolation> InvalidatableStyleInterpolation::maybeConvertPairwise(const InterpolationEnvironment* environment, const UnderlyingValue& underlyingValue) const |
-{ |
- ASSERT(m_currentFraction != 0 && m_currentFraction != 1); |
- for (const auto& interpolationType : m_interpolationTypes) { |
- if ((m_startKeyframe->isNeutral() || m_endKeyframe->isNeutral()) && (!underlyingValue || underlyingValue->type() != *interpolationType)) |
- continue; |
- OwnPtr<PairwisePrimitiveInterpolation> pairwiseConversion = interpolationType->maybeConvertPairwise(*m_startKeyframe, *m_endKeyframe, environment, underlyingValue, m_conversionCheckers); |
- if (pairwiseConversion) { |
- ASSERT(pairwiseConversion->type() == *interpolationType); |
- return pairwiseConversion.release(); |
- } |
- } |
- return nullptr; |
-} |
- |
-PassOwnPtr<InterpolationValue> InvalidatableStyleInterpolation::convertSingleKeyframe(const PropertySpecificKeyframe& keyframe, const InterpolationEnvironment& environment, const UnderlyingValue& underlyingValue) const |
-{ |
- if (keyframe.isNeutral() && !underlyingValue) |
- return nullptr; |
- for (const auto& interpolationType : m_interpolationTypes) { |
- if (keyframe.isNeutral() && underlyingValue->type() != *interpolationType) |
- continue; |
- OwnPtr<InterpolationValue> result = interpolationType->maybeConvertSingle(keyframe, &environment, underlyingValue, m_conversionCheckers); |
- if (result) { |
- ASSERT(result->type() == *interpolationType); |
- return result.release(); |
- } |
- } |
- ASSERT(keyframe.isNeutral()); |
- return nullptr; |
-} |
- |
-PassOwnPtr<InterpolationValue> InvalidatableStyleInterpolation::maybeConvertUnderlyingValue(const InterpolationEnvironment& environment) const |
-{ |
- for (const auto& interpolationType : m_interpolationTypes) { |
- OwnPtr<InterpolationValue> result = interpolationType->maybeConvertUnderlyingValue(environment); |
- if (result) |
- return result.release(); |
- } |
- return nullptr; |
-} |
- |
-bool InvalidatableStyleInterpolation::dependsOnUnderlyingValue() const |
-{ |
- return (m_startKeyframe->underlyingFraction() != 0 && m_currentFraction != 1) || (m_endKeyframe->underlyingFraction() != 0 && m_currentFraction != 0); |
-} |
- |
-bool InvalidatableStyleInterpolation::isNeutralKeyframeActive() const |
-{ |
- return (m_startKeyframe->isNeutral() && m_currentFraction != 1) || (m_endKeyframe->isNeutral() && m_currentFraction != 0); |
-} |
- |
-void InvalidatableStyleInterpolation::clearCache() const |
-{ |
- m_isCached = false; |
- m_cachedPairConversion.clear(); |
- m_conversionCheckers.clear(); |
- m_cachedValue.clear(); |
-} |
- |
-bool InvalidatableStyleInterpolation::isCacheValid(const InterpolationEnvironment& environment, const UnderlyingValue& underlyingValue) const |
-{ |
- if (!m_isCached) |
- return false; |
- if (isNeutralKeyframeActive()) { |
- if (m_cachedPairConversion && m_cachedPairConversion->isFlip()) |
- return false; |
- // Pairwise interpolation can never happen between different InterpolationTypes, neutral values always represent the underlying value. |
- if (!underlyingValue || !m_cachedValue || m_cachedValue->type() != underlyingValue->type()) |
- return false; |
- } |
- for (const auto& checker : m_conversionCheckers) { |
- if (!checker->isValid(environment, underlyingValue)) |
- return false; |
- } |
- return true; |
-} |
- |
-const InterpolationValue* InvalidatableStyleInterpolation::ensureValidInterpolation(const InterpolationEnvironment& environment, const UnderlyingValue& underlyingValue) const |
-{ |
- ASSERT(!std::isnan(m_currentFraction)); |
- if (isCacheValid(environment, underlyingValue)) |
- return m_cachedValue.get(); |
- clearCache(); |
- if (m_currentFraction == 0) { |
- m_cachedValue = convertSingleKeyframe(*m_startKeyframe, environment, underlyingValue); |
- } else if (m_currentFraction == 1) { |
- m_cachedValue = convertSingleKeyframe(*m_endKeyframe, environment, underlyingValue); |
- } else { |
- OwnPtr<PairwisePrimitiveInterpolation> pairwiseConversion = maybeConvertPairwise(&environment, underlyingValue); |
- if (pairwiseConversion) { |
- m_cachedValue = pairwiseConversion->initialValue(); |
- m_cachedPairConversion = pairwiseConversion.release(); |
- } else { |
- m_cachedPairConversion = FlipPrimitiveInterpolation::create( |
- convertSingleKeyframe(*m_startKeyframe, environment, underlyingValue), |
- convertSingleKeyframe(*m_endKeyframe, environment, underlyingValue)); |
- } |
- m_cachedPairConversion->interpolateValue(m_currentFraction, m_cachedValue); |
- } |
- m_isCached = true; |
- return m_cachedValue.get(); |
-} |
- |
-void InvalidatableStyleInterpolation::setFlagIfInheritUsed(InterpolationEnvironment& environment) const |
-{ |
- if (!property().isCSSProperty()) |
- return; |
- if (!environment.state().parentStyle()) |
- return; |
- const CSSValue* startValue = toCSSPropertySpecificKeyframe(m_startKeyframe)->value(); |
- const CSSValue* endValue = toCSSPropertySpecificKeyframe(m_endKeyframe)->value(); |
- if ((startValue && startValue->isInheritedValue()) |
- || (endValue && endValue->isInheritedValue())) { |
- environment.state().parentStyle()->setHasExplicitlyInheritedProperties(); |
- } |
-} |
- |
-double InvalidatableStyleInterpolation::underlyingFraction() const |
-{ |
- if (m_currentFraction == 0) |
- return m_startKeyframe->underlyingFraction(); |
- if (m_currentFraction == 1) |
- return m_endKeyframe->underlyingFraction(); |
- return m_cachedPairConversion->interpolateUnderlyingFraction(m_startKeyframe->underlyingFraction(), m_endKeyframe->underlyingFraction(), m_currentFraction); |
-} |
- |
-void InvalidatableStyleInterpolation::applyStack(const ActiveInterpolations& interpolations, InterpolationEnvironment& environment) |
-{ |
- ASSERT(!interpolations.isEmpty()); |
- size_t startingIndex = 0; |
- |
- // Compute the underlying value to composite onto. |
- UnderlyingValue underlyingValue; |
- const InvalidatableStyleInterpolation& firstInterpolation = toInvalidatableStyleInterpolation(*interpolations.at(startingIndex)); |
- if (firstInterpolation.dependsOnUnderlyingValue()) { |
- underlyingValue.set(firstInterpolation.maybeConvertUnderlyingValue(environment)); |
- } else { |
- const InterpolationValue* firstValue = firstInterpolation.ensureValidInterpolation(environment, UnderlyingValue()); |
- // Fast path for replace interpolations that are the only one to apply. |
- if (interpolations.size() == 1) { |
- if (firstValue) { |
- firstInterpolation.setFlagIfInheritUsed(environment); |
- firstValue->type().apply(firstValue->interpolableValue(), firstValue->nonInterpolableValue(), environment); |
- } |
- return; |
- } |
- underlyingValue.set(firstValue); |
- startingIndex++; |
- } |
- |
- // Composite interpolations onto the underlying value. |
- bool shouldApply = false; |
- for (size_t i = startingIndex; i < interpolations.size(); i++) { |
- const InvalidatableStyleInterpolation& currentInterpolation = toInvalidatableStyleInterpolation(*interpolations.at(i)); |
- ASSERT(currentInterpolation.dependsOnUnderlyingValue()); |
- const InterpolationValue* currentValue = currentInterpolation.ensureValidInterpolation(environment, underlyingValue); |
- if (!currentValue) |
- continue; |
- shouldApply = true; |
- currentInterpolation.setFlagIfInheritUsed(environment); |
- double underlyingFraction = currentInterpolation.underlyingFraction(); |
- if (underlyingFraction == 0 || !underlyingValue || underlyingValue->type() != currentValue->type()) |
- underlyingValue.set(currentValue); |
- else |
- currentValue->type().composite(underlyingValue, underlyingFraction, *currentValue); |
- } |
- |
- if (shouldApply && underlyingValue) |
- underlyingValue->type().apply(underlyingValue->interpolableValue(), underlyingValue->nonInterpolableValue(), environment); |
-} |
- |
-} // namespace blink |