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/*
* Copyright (C) 2007, 2008, 2009, 2013, 2016 Apple Inc. All rights reserved.
* Copyright (C) 2012, 2013 Adobe Systems Incorporated. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "CSSPropertyAnimation.h"
#include "CSSComputedStyleDeclaration.h"
#include "CSSCrossfadeValue.h"
#include "CSSFilterImageValue.h"
#include "CSSImageGeneratorValue.h"
#include "CSSImageValue.h"
#include "CSSPrimitiveValue.h"
#include "CSSPropertyBlendingClient.h"
#include "CSSPropertyNames.h"
#include "CachedImage.h"
#include "CalculationValue.h"
#include "ClipPathOperation.h"
#include "FloatConversion.h"
#include "FontCascade.h"
#include "FontSelectionAlgorithm.h"
#include "FontTaggedSettings.h"
#include "GapLength.h"
#include "IdentityTransformOperation.h"
#include "Logging.h"
#include "Matrix3DTransformOperation.h"
#include "MatrixTransformOperation.h"
#include "RenderBox.h"
#include "RenderStyle.h"
#include "StyleCachedImage.h"
#include "StyleGeneratedImage.h"
#include "StylePropertyShorthand.h"
#include "StyleResolver.h"
#include <algorithm>
#include <memory>
#include <wtf/MathExtras.h>
#include <wtf/NeverDestroyed.h>
#include <wtf/Noncopyable.h>
#include <wtf/PointerComparison.h>
#include <wtf/RefCounted.h>
#include <wtf/text/TextStream.h>
namespace WebCore {
static inline int blendFunc(const CSSPropertyBlendingClient*, int from, int to, double progress)
{
return blend(from, to, progress);
}
static inline double blendFunc(const CSSPropertyBlendingClient*, double from, double to, double progress)
{
return blend(from, to, progress);
}
static inline float blendFunc(const CSSPropertyBlendingClient*, float from, float to, double progress)
{
return narrowPrecisionToFloat(from + (to - from) * progress);
}
static inline Color blendFunc(const CSSPropertyBlendingClient*, const Color& from, const Color& to, double progress)
{
return blend(from, to, progress);
}
static inline Length blendFunc(const CSSPropertyBlendingClient*, const Length& from, const Length& to, double progress)
{
return blend(from, to, progress);
}
static inline GapLength blendFunc(const CSSPropertyBlendingClient*, const GapLength& from, const GapLength& to, double progress)
{
return (from.isNormal() || to.isNormal()) ? to : blend(from.length(), to.length(), progress);
}
static inline LengthSize blendFunc(const CSSPropertyBlendingClient* anim, const LengthSize& from, const LengthSize& to, double progress)
{
return { blendFunc(anim, from.width, to.width, progress), blendFunc(anim, from.height, to.height, progress) };
}
static inline ShadowStyle blendFunc(const CSSPropertyBlendingClient* anim, ShadowStyle from, ShadowStyle to, double progress)
{
if (from == to)
return to;
double fromVal = from == Normal ? 1 : 0;
double toVal = to == Normal ? 1 : 0;
double result = blendFunc(anim, fromVal, toVal, progress);
return result > 0 ? Normal : Inset;
}
static inline std::unique_ptr<ShadowData> blendFunc(const CSSPropertyBlendingClient* anim, const ShadowData* from, const ShadowData* to, double progress)
{
ASSERT(from && to);
if (from->style() != to->style())
return makeUnique<ShadowData>(*to);
return makeUnique<ShadowData>(blend(from->location(), to->location(), progress),
blend(from->radius(), to->radius(), progress),
blend(from->spread(), to->spread(), progress),
blendFunc(anim, from->style(), to->style(), progress),
from->isWebkitBoxShadow(),
blend(from->color(), to->color(), progress));
}
static inline TransformOperations blendFunc(const CSSPropertyBlendingClient* animation, const TransformOperations& from, const TransformOperations& to, double progress)
{
if (animation->transformFunctionListsMatch())
return to.blendByMatchingOperations(from, progress);
return to.blendByUsingMatrixInterpolation(from, progress, is<RenderBox>(animation->renderer()) ? downcast<RenderBox>(*animation->renderer()).borderBoxRect().size() : LayoutSize());
}
static inline RefPtr<ClipPathOperation> blendFunc(const CSSPropertyBlendingClient*, ClipPathOperation* from, ClipPathOperation* to, double progress)
{
if (!from || !to)
return to;
// Other clip-path operations than BasicShapes can not be animated.
if (from->type() != ClipPathOperation::Shape || to->type() != ClipPathOperation::Shape)
return to;
const BasicShape& fromShape = downcast<ShapeClipPathOperation>(*from).basicShape();
const BasicShape& toShape = downcast<ShapeClipPathOperation>(*to).basicShape();
if (!fromShape.canBlend(toShape))
return to;
return ShapeClipPathOperation::create(toShape.blend(fromShape, progress));
}
static inline RefPtr<ShapeValue> blendFunc(const CSSPropertyBlendingClient*, ShapeValue* from, ShapeValue* to, double progress)
{
if (!from || !to)
return to;
if (from->type() != ShapeValue::Type::Shape || to->type() != ShapeValue::Type::Shape)
return to;
if (from->cssBox() != to->cssBox())
return to;
const BasicShape& fromShape = *from->shape();
const BasicShape& toShape = *to->shape();
if (!fromShape.canBlend(toShape))
return to;
return ShapeValue::create(toShape.blend(fromShape, progress), to->cssBox());
}
static inline RefPtr<FilterOperation> blendFunc(const CSSPropertyBlendingClient*, FilterOperation* fromOp, FilterOperation* toOp, double progress, bool blendToPassthrough = false)
{
ASSERT(toOp);
return toOp->blend(fromOp, progress, blendToPassthrough);
}
static inline FilterOperations blendFilterOperations(const CSSPropertyBlendingClient* anim, const FilterOperations& from, const FilterOperations& to, double progress)
{
FilterOperations result;
size_t fromSize = from.operations().size();
size_t toSize = to.operations().size();
size_t size = std::max(fromSize, toSize);
for (size_t i = 0; i < size; i++) {
RefPtr<FilterOperation> fromOp = (i < fromSize) ? from.operations()[i].get() : 0;
RefPtr<FilterOperation> toOp = (i < toSize) ? to.operations()[i].get() : 0;
RefPtr<FilterOperation> blendedOp = toOp ? blendFunc(anim, fromOp.get(), toOp.get(), progress) : (fromOp ? blendFunc(anim, 0, fromOp.get(), progress, true) : 0);
if (blendedOp)
result.operations().append(blendedOp);
else {
auto identityOp = PassthroughFilterOperation::create();
if (progress > 0.5)
result.operations().append(toOp ? toOp : WTFMove(identityOp));
else
result.operations().append(fromOp ? fromOp : WTFMove(identityOp));
}
}
return result;
}
static inline FilterOperations blendFunc(const CSSPropertyBlendingClient* anim, const FilterOperations& from, const FilterOperations& to, double progress, CSSPropertyID propertyID = CSSPropertyFilter)
{
FilterOperations result;
// If we have a filter function list, use that to do a per-function animation.
bool listsMatch = false;
switch (propertyID) {
case CSSPropertyFilter:
listsMatch = anim->filterFunctionListsMatch();
break;
#if ENABLE(FILTERS_LEVEL_2)
case CSSPropertyWebkitBackdropFilter:
listsMatch = anim->backdropFilterFunctionListsMatch();
break;
#endif
case CSSPropertyAppleColorFilter:
listsMatch = anim->colorFilterFunctionListsMatch();
break;
default:
break;
}
if (listsMatch)
result = blendFilterOperations(anim, from, to, progress);
else {
// If the filter function lists don't match, we could try to cross-fade, but don't yet have a way to represent that in CSS.
// For now we'll just fail to animate.
result = to;
}
return result;
}
static inline RefPtr<StyleImage> blendFilter(const CSSPropertyBlendingClient* anim, CachedImage* image, const FilterOperations& from, const FilterOperations& to, double progress)
{
ASSERT(image);
FilterOperations filterResult = blendFilterOperations(anim, from, to, progress);
auto imageValue = CSSImageValue::create(*image);
auto filterValue = ComputedStyleExtractor::valueForFilter(anim->currentStyle(), filterResult, DoNotAdjustPixelValues);
auto result = CSSFilterImageValue::create(WTFMove(imageValue), WTFMove(filterValue));
result.get().setFilterOperations(filterResult);
return StyleGeneratedImage::create(WTFMove(result));
}
static inline Visibility blendFunc(const CSSPropertyBlendingClient* anim, Visibility from, Visibility to, double progress)
{
// Any non-zero result means we consider the object to be visible. Only at 0 do we consider the object to be
// invisible. The invisible value we use (Visibility::Hidden vs. Visibility::Collapse) depends on the specified from/to values.
double fromVal = from == Visibility::Visible ? 1. : 0.;
double toVal = to == Visibility::Visible ? 1. : 0.;
if (fromVal == toVal)
return to;
double result = blendFunc(anim, fromVal, toVal, progress);
return result > 0. ? Visibility::Visible : (to != Visibility::Visible ? to : from);
}
static inline TextUnderlineOffset blendFunc(const CSSPropertyBlendingClient* anim, const TextUnderlineOffset& from, const TextUnderlineOffset& to, double progress)
{
if (from.isLength() && to.isLength())
return TextUnderlineOffset::createWithLength(blendFunc(anim, from.lengthValue(), to.lengthValue(), progress));
return TextUnderlineOffset::createWithAuto();
}
static inline TextDecorationThickness blendFunc(const CSSPropertyBlendingClient* anim, const TextDecorationThickness& from, const TextDecorationThickness& to, double progress)
{
if (from.isLength() && to.isLength())
return TextDecorationThickness::createWithLength(blendFunc(anim, from.lengthValue(), to.lengthValue(), progress));
return TextDecorationThickness::createWithAuto();
}
static inline LengthBox blendFunc(const CSSPropertyBlendingClient* anim, const LengthBox& from, const LengthBox& to, double progress)
{
LengthBox result(blendFunc(anim, from.top(), to.top(), progress),
blendFunc(anim, from.right(), to.right(), progress),
blendFunc(anim, from.bottom(), to.bottom(), progress),
blendFunc(anim, from.left(), to.left(), progress));
return result;
}
static inline SVGLengthValue blendFunc(const CSSPropertyBlendingClient*, const SVGLengthValue& from, const SVGLengthValue& to, double progress)
{
return SVGLengthValue::blend(from, to, narrowPrecisionToFloat(progress));
}
static inline Vector<SVGLengthValue> blendFunc(const CSSPropertyBlendingClient*, const Vector<SVGLengthValue>& from, const Vector<SVGLengthValue>& to, double progress)
{
size_t fromLength = from.size();
size_t toLength = to.size();
if (!fromLength)
return !progress ? from : to;
if (!toLength)
return progress == 1 ? from : to;
size_t resultLength = fromLength;
if (fromLength != toLength) {
if (!remainder(std::max(fromLength, toLength), std::min(fromLength, toLength)))
resultLength = std::max(fromLength, toLength);
else
resultLength = fromLength * toLength;
}
Vector<SVGLengthValue> result(resultLength);
for (size_t i = 0; i < resultLength; ++i)
result[i] = SVGLengthValue::blend(from[i % fromLength], to[i % toLength], narrowPrecisionToFloat(progress));
return result;
}
static inline RefPtr<StyleImage> crossfadeBlend(const CSSPropertyBlendingClient*, StyleCachedImage* fromStyleImage, StyleCachedImage* toStyleImage, double progress)
{
// If progress is at one of the extremes, we want getComputedStyle to show the image,
// not a completed cross-fade, so we hand back one of the existing images.
if (!progress)
return fromStyleImage;
if (progress == 1)
return toStyleImage;
if (!fromStyleImage->cachedImage() || !toStyleImage->cachedImage())
return toStyleImage;
auto fromImageValue = CSSImageValue::create(*fromStyleImage->cachedImage());
auto toImageValue = CSSImageValue::create(*toStyleImage->cachedImage());
auto percentageValue = CSSPrimitiveValue::create(progress, CSSPrimitiveValue::CSS_NUMBER);
auto crossfadeValue = CSSCrossfadeValue::create(WTFMove(fromImageValue), WTFMove(toImageValue), WTFMove(percentageValue));
return StyleGeneratedImage::create(WTFMove(crossfadeValue));
}
static inline RefPtr<StyleImage> blendFunc(const CSSPropertyBlendingClient* anim, StyleImage* from, StyleImage* to, double progress)
{
if (!from || !to)
return to;
// Animation between two generated images. Cross fade for all other cases.
if (is<StyleGeneratedImage>(*from) && is<StyleGeneratedImage>(*to)) {
CSSImageGeneratorValue& fromGenerated = downcast<StyleGeneratedImage>(*from).imageValue();
CSSImageGeneratorValue& toGenerated = downcast<StyleGeneratedImage>(*to).imageValue();
if (is<CSSFilterImageValue>(fromGenerated) && is<CSSFilterImageValue>(toGenerated)) {
// Animation of generated images just possible if input images are equal.
// Otherwise fall back to cross fade animation.
CSSFilterImageValue& fromFilter = downcast<CSSFilterImageValue>(fromGenerated);
CSSFilterImageValue& toFilter = downcast<CSSFilterImageValue>(toGenerated);
if (fromFilter.equalInputImages(toFilter) && fromFilter.cachedImage())
return blendFilter(anim, fromFilter.cachedImage(), fromFilter.filterOperations(), toFilter.filterOperations(), progress);
}
if (is<CSSCrossfadeValue>(fromGenerated) && is<CSSCrossfadeValue>(toGenerated)) {
CSSCrossfadeValue& fromCrossfade = downcast<CSSCrossfadeValue>(fromGenerated);
CSSCrossfadeValue& toCrossfade = downcast<CSSCrossfadeValue>(toGenerated);
if (fromCrossfade.equalInputImages(toCrossfade)) {
if (auto crossfadeBlend = toCrossfade.blend(fromCrossfade, progress))
return StyleGeneratedImage::create(*crossfadeBlend);
}
}
// FIXME: Add support for animation between two *gradient() functions.
// https://bugs.webkit.org/show_bug.cgi?id=119956
} else if (is<StyleGeneratedImage>(*from) && is<StyleCachedImage>(*to)) {
CSSImageGeneratorValue& fromGenerated = downcast<StyleGeneratedImage>(*from).imageValue();
if (is<CSSFilterImageValue>(fromGenerated)) {
CSSFilterImageValue& fromFilter = downcast<CSSFilterImageValue>(fromGenerated);
if (fromFilter.cachedImage() && downcast<StyleCachedImage>(*to).cachedImage() == fromFilter.cachedImage())
return blendFilter(anim, fromFilter.cachedImage(), fromFilter.filterOperations(), FilterOperations(), progress);
}
// FIXME: Add interpolation between cross-fade and image source.
} else if (is<StyleCachedImage>(*from) && is<StyleGeneratedImage>(*to)) {
CSSImageGeneratorValue& toGenerated = downcast<StyleGeneratedImage>(*to).imageValue();
if (is<CSSFilterImageValue>(toGenerated)) {
CSSFilterImageValue& toFilter = downcast<CSSFilterImageValue>(toGenerated);
if (toFilter.cachedImage() && downcast<StyleCachedImage>(*from).cachedImage() == toFilter.cachedImage())
return blendFilter(anim, toFilter.cachedImage(), FilterOperations(), toFilter.filterOperations(), progress);
}
// FIXME: Add interpolation between image source and cross-fade.
}
// FIXME: Add support cross fade between cached and generated images.
// https://bugs.webkit.org/show_bug.cgi?id=78293
if (is<StyleCachedImage>(*from) && is<StyleCachedImage>(*to))
return crossfadeBlend(anim, downcast<StyleCachedImage>(from), downcast<StyleCachedImage>(to), progress);
return to;
}
static inline NinePieceImage blendFunc(const CSSPropertyBlendingClient* anim, const NinePieceImage& from, const NinePieceImage& to, double progress)
{
if (!from.hasImage() || !to.hasImage())
return to;
// FIXME (74112): Support transitioning between NinePieceImages that differ by more than image content.
if (from.imageSlices() != to.imageSlices() || from.borderSlices() != to.borderSlices() || from.outset() != to.outset() || from.fill() != to.fill() || from.horizontalRule() != to.horizontalRule() || from.verticalRule() != to.verticalRule())
return to;
if (auto* renderer = anim->renderer()) {
if (from.image()->imageSize(renderer, 1.0) != to.image()->imageSize(renderer, 1.0))
return to;
}
return NinePieceImage(blendFunc(anim, from.image(), to.image(), progress),
from.imageSlices(), from.fill(), from.borderSlices(), from.outset(), from.horizontalRule(), from.verticalRule());
}
#if ENABLE(VARIATION_FONTS)
static inline FontVariationSettings blendFunc(const CSSPropertyBlendingClient* anim, const FontVariationSettings& from, const FontVariationSettings& to, double progress)
{
if (from.size() != to.size())
return FontVariationSettings();
FontVariationSettings result;
unsigned size = from.size();
for (unsigned i = 0; i < size; ++i) {
auto& fromItem = from.at(i);
auto& toItem = to.at(i);
if (fromItem.tag() != toItem.tag())
return FontVariationSettings();
float interpolated = blendFunc(anim, fromItem.value(), toItem.value(), progress);
result.insert({ fromItem.tag(), interpolated });
}
return result;
}
#endif
static inline FontSelectionValue blendFunc(const CSSPropertyBlendingClient* anim, FontSelectionValue from, FontSelectionValue to, double progress)
{
return FontSelectionValue(blendFunc(anim, static_cast<float>(from), static_cast<float>(to), progress));
}
static inline Optional<FontSelectionValue> blendFunc(const CSSPropertyBlendingClient* anim, Optional<FontSelectionValue> from, Optional<FontSelectionValue> to, double progress)
{
return FontSelectionValue(blendFunc(anim, static_cast<float>(from.value()), static_cast<float>(to.value()), progress));
}
class AnimationPropertyWrapperBase {
WTF_MAKE_NONCOPYABLE(AnimationPropertyWrapperBase);
WTF_MAKE_FAST_ALLOCATED;
public:
explicit AnimationPropertyWrapperBase(CSSPropertyID prop)
: m_prop(prop)
{
}
virtual ~AnimationPropertyWrapperBase() = default;
virtual bool isShorthandWrapper() const { return false; }
virtual bool equals(const RenderStyle* a, const RenderStyle* b) const = 0;
virtual bool canInterpolate(const RenderStyle*, const RenderStyle*) const { return true; }
virtual void blend(const CSSPropertyBlendingClient*, RenderStyle*, const RenderStyle*, const RenderStyle*, double) const = 0;
#if !LOG_DISABLED
virtual void logBlend(const RenderStyle* a, const RenderStyle* b, const RenderStyle* result, double) const = 0;
#endif
CSSPropertyID property() const { return m_prop; }
virtual bool animationIsAccelerated() const { return false; }
private:
CSSPropertyID m_prop;
};
template <typename T>
class PropertyWrapperGetter : public AnimationPropertyWrapperBase {
WTF_MAKE_FAST_ALLOCATED;
public:
PropertyWrapperGetter(CSSPropertyID prop, T (RenderStyle::*getter)() const)
: AnimationPropertyWrapperBase(prop)
, m_getter(getter)
{
}
bool equals(const RenderStyle* a, const RenderStyle* b) const override
{
if (a == b)
return true;
if (!a || !b)
return false;
return (a->*m_getter)() == (b->*m_getter)();
}
T value(const RenderStyle* a) const
{
return (a->*m_getter)();
}
#if !LOG_DISABLED
void logBlend(const RenderStyle* a, const RenderStyle* b, const RenderStyle* result, double progress) const final
{
LOG_WITH_STREAM(Animations, stream << " blending " << getPropertyName(property()) << " from " << value(a) << " to " << value(b) << " at " << TextStream::FormatNumberRespectingIntegers(progress) << " -> " << value(result));
}
#endif
protected:
T (RenderStyle::*m_getter)() const;
};
template <typename T>
class PropertyWrapper : public PropertyWrapperGetter<T> {
WTF_MAKE_FAST_ALLOCATED;
public:
PropertyWrapper(CSSPropertyID prop, T (RenderStyle::*getter)() const, void (RenderStyle::*setter)(T))
: PropertyWrapperGetter<T>(prop, getter)
, m_setter(setter)
{
}
void blend(const CSSPropertyBlendingClient* anim, RenderStyle* dst, const RenderStyle* a, const RenderStyle* b, double progress) const override
{
(dst->*m_setter)(blendFunc(anim, (a->*PropertyWrapperGetter<T>::m_getter)(), (b->*PropertyWrapperGetter<T>::m_getter)(), progress));
}
protected:
void (RenderStyle::*m_setter)(T);
};
template <typename T>
class RefCountedPropertyWrapper : public PropertyWrapperGetter<T*> {
WTF_MAKE_FAST_ALLOCATED;
public:
RefCountedPropertyWrapper(CSSPropertyID prop, T* (RenderStyle::*getter)() const, void (RenderStyle::*setter)(RefPtr<T>&&))
: PropertyWrapperGetter<T*>(prop, getter)
, m_setter(setter)
{
}
void blend(const CSSPropertyBlendingClient* anim, RenderStyle* dst, const RenderStyle* a, const RenderStyle* b, double progress) const override
{
(dst->*m_setter)(blendFunc(anim, (a->*PropertyWrapperGetter<T*>::m_getter)(), (b->*PropertyWrapperGetter<T*>::m_getter)(), progress));
}
protected:
void (RenderStyle::*m_setter)(RefPtr<T>&&);
};
class LengthPropertyWrapper : public PropertyWrapperGetter<const Length&> {
WTF_MAKE_FAST_ALLOCATED;
public:
LengthPropertyWrapper(CSSPropertyID prop, const Length& (RenderStyle::*getter)() const, void (RenderStyle::*setter)(Length&&))
: PropertyWrapperGetter<const Length&>(prop, getter)
, m_setter(setter)
{
}
bool canInterpolate(const RenderStyle* a, const RenderStyle* b) const override
{
return !(a->*PropertyWrapperGetter<const Length&>::m_getter)().isAuto() && !(b->*PropertyWrapperGetter<const Length&>::m_getter)().isAuto();
}
void blend(const CSSPropertyBlendingClient* anim, RenderStyle* dst, const RenderStyle* a, const RenderStyle* b, double progress) const override
{
(dst->*m_setter)(blendFunc(anim, (a->*PropertyWrapperGetter<const Length&>::m_getter)(), (b->*PropertyWrapperGetter<const Length&>::m_getter)(), progress));
}
protected:
void (RenderStyle::*m_setter)(Length&&);
};
template <typename T>
class LengthVariantPropertyWrapper : public PropertyWrapperGetter<const T&> {
WTF_MAKE_FAST_ALLOCATED;
public:
LengthVariantPropertyWrapper(CSSPropertyID prop, const T& (RenderStyle::*getter)() const, void (RenderStyle::*setter)(T&&))
: PropertyWrapperGetter<const T&>(prop, getter)
, m_setter(setter)
{
}
void blend(const CSSPropertyBlendingClient* anim, RenderStyle* dst, const RenderStyle* a, const RenderStyle* b, double progress) const override
{
(dst->*m_setter)(blendFunc(anim, (a->*PropertyWrapperGetter<const T&>::m_getter)(), (b->*PropertyWrapperGetter<const T&>::m_getter)(), progress));
}
protected:
void (RenderStyle::*m_setter)(T&&);
};
class PropertyWrapperClipPath : public RefCountedPropertyWrapper<ClipPathOperation> {
WTF_MAKE_FAST_ALLOCATED;
public:
PropertyWrapperClipPath(CSSPropertyID prop, ClipPathOperation* (RenderStyle::*getter)() const, void (RenderStyle::*setter)(RefPtr<ClipPathOperation>&&))
: RefCountedPropertyWrapper<ClipPathOperation>(prop, getter, setter)
{
}
bool equals(const RenderStyle* a, const RenderStyle* b) const override
{
// If the style pointers are the same, don't bother doing the test.
// If either is null, return false. If both are null, return true.
if (a == b)
return true;
if (!a || !b)
return false;
ClipPathOperation* clipPathA = (a->*m_getter)();
ClipPathOperation* clipPathB = (b->*m_getter)();
if (clipPathA == clipPathB)
return true;
if (!clipPathA || !clipPathB)
return false;
return *clipPathA == *clipPathB;
}
};
#if ENABLE(VARIATION_FONTS)
class PropertyWrapperFontVariationSettings : public PropertyWrapper<FontVariationSettings> {
WTF_MAKE_FAST_ALLOCATED;
public:
PropertyWrapperFontVariationSettings(CSSPropertyID prop, FontVariationSettings (RenderStyle::*getter)() const, void (RenderStyle::*setter)(FontVariationSettings))
: PropertyWrapper<FontVariationSettings>(prop, getter, setter)
{
}
bool equals(const RenderStyle* a, const RenderStyle* b) const override
{
// If the style pointers are the same, don't bother doing the test.
// If either is null, return false. If both are null, return true.
if (a == b)
return true;
if (!a || !b)
return false;
const FontVariationSettings& variationSettingsA = (a->*m_getter)();
const FontVariationSettings& variationSettingsB = (b->*m_getter)();
return variationSettingsA == variationSettingsB;
}
};
#endif
class PropertyWrapperShape : public RefCountedPropertyWrapper<ShapeValue> {
WTF_MAKE_FAST_ALLOCATED;
public:
PropertyWrapperShape(CSSPropertyID prop, ShapeValue* (RenderStyle::*getter)() const, void (RenderStyle::*setter)(RefPtr<ShapeValue>&&))
: RefCountedPropertyWrapper<ShapeValue>(prop, getter, setter)
{
}
bool equals(const RenderStyle* a, const RenderStyle* b) const override
{
// If the style pointers are the same, don't bother doing the test.
// If either is null, return false. If both are null, return true.
if (a == b)
return true;
if (!a || !b)
return false;
ShapeValue* shapeA = (a->*m_getter)();
ShapeValue* shapeB = (b->*m_getter)();
if (shapeA == shapeB)
return true;
if (!shapeA || !shapeB)
return false;
return *shapeA == *shapeB;
}
};
class StyleImagePropertyWrapper : public RefCountedPropertyWrapper<StyleImage> {
WTF_MAKE_FAST_ALLOCATED;
public:
StyleImagePropertyWrapper(CSSPropertyID prop, StyleImage* (RenderStyle::*getter)() const, void (RenderStyle::*setter)(RefPtr<StyleImage>&&))
: RefCountedPropertyWrapper<StyleImage>(prop, getter, setter)
{
}
bool equals(const RenderStyle* a, const RenderStyle* b) const override
{
if (a == b)
return true;
if (!a || !b)
return false;
StyleImage* imageA = (a->*m_getter)();
StyleImage* imageB = (b->*m_getter)();
return arePointingToEqualData(imageA, imageB);
}
};
class PropertyWrapperColor : public PropertyWrapperGetter<const Color&> {
WTF_MAKE_FAST_ALLOCATED;
public:
PropertyWrapperColor(CSSPropertyID prop, const Color& (RenderStyle::*getter)() const, void (RenderStyle::*setter)(const Color&))
: PropertyWrapperGetter<const Color&>(prop, getter)
, m_setter(setter)
{
}
void blend(const CSSPropertyBlendingClient* anim, RenderStyle* dst, const RenderStyle* a, const RenderStyle* b, double progress) const override
{
(dst->*m_setter)(blendFunc(anim, (a->*PropertyWrapperGetter<const Color&>::m_getter)(), (b->*PropertyWrapperGetter<const Color&>::m_getter)(), progress));
}
protected:
void (RenderStyle::*m_setter)(const Color&);
};
class PropertyWrapperAcceleratedOpacity : public PropertyWrapper<float> {
WTF_MAKE_FAST_ALLOCATED;
public:
PropertyWrapperAcceleratedOpacity()
: PropertyWrapper<float>(CSSPropertyOpacity, &RenderStyle::opacity, &RenderStyle::setOpacity)
{
}
bool animationIsAccelerated() const override { return true; }
void blend(const CSSPropertyBlendingClient* anim, RenderStyle* dst, const RenderStyle* a, const RenderStyle* b, double progress) const override
{
dst->setOpacity(blendFunc(anim, a->opacity(), b->opacity(), progress));
}
};
class PropertyWrapperAcceleratedTransform : public PropertyWrapper<const TransformOperations&> {
WTF_MAKE_FAST_ALLOCATED;
public:
PropertyWrapperAcceleratedTransform()
: PropertyWrapper<const TransformOperations&>(CSSPropertyTransform, &RenderStyle::transform, &RenderStyle::setTransform)
{
}
bool animationIsAccelerated() const override { return true; }
void blend(const CSSPropertyBlendingClient* anim, RenderStyle* dst, const RenderStyle* a, const RenderStyle* b, double progress) const override
{
dst->setTransform(blendFunc(anim, a->transform(), b->transform(), progress));
}
};
class PropertyWrapperFilter : public PropertyWrapper<const FilterOperations&> {
WTF_MAKE_FAST_ALLOCATED;
public:
PropertyWrapperFilter(CSSPropertyID propertyID, const FilterOperations& (RenderStyle::*getter)() const, void (RenderStyle::*setter)(const FilterOperations&))
: PropertyWrapper<const FilterOperations&>(propertyID, getter, setter)
{
}
bool animationIsAccelerated() const override
{
return property() == CSSPropertyFilter
#if ENABLE(FILTERS_LEVEL_2)
|| property() == CSSPropertyWebkitBackdropFilter
#endif
;
}
void blend(const CSSPropertyBlendingClient* anim, RenderStyle* dst, const RenderStyle* a, const RenderStyle* b, double progress) const override
{
(dst->*m_setter)(blendFunc(anim, (a->*PropertyWrapperGetter<const FilterOperations&>::m_getter)(), (b->*PropertyWrapperGetter<const FilterOperations&>::m_getter)(), progress, property()));
}
};
static inline size_t shadowListLength(const ShadowData* shadow)
{
size_t count;
for (count = 0; shadow; shadow = shadow->next())
++count;
return count;
}
static inline const ShadowData* shadowForBlending(const ShadowData* srcShadow, const ShadowData* otherShadow)
{
static NeverDestroyed<ShadowData> defaultShadowData(IntPoint(), 0, 0, Normal, false, Color::transparent);
static NeverDestroyed<ShadowData> defaultInsetShadowData(IntPoint(), 0, 0, Inset, false, Color::transparent);
static NeverDestroyed<ShadowData> defaultWebKitBoxShadowData(IntPoint(), 0, 0, Normal, true, Color::transparent);
static NeverDestroyed<ShadowData> defaultInsetWebKitBoxShadowData(IntPoint(), 0, 0, Inset, true, Color::transparent);
if (srcShadow)
return srcShadow;
if (otherShadow->style() == Inset)
return otherShadow->isWebkitBoxShadow() ? &defaultInsetWebKitBoxShadowData.get() : &defaultInsetShadowData.get();
return otherShadow->isWebkitBoxShadow() ? &defaultWebKitBoxShadowData.get() : &defaultShadowData.get();
}
class PropertyWrapperShadow : public AnimationPropertyWrapperBase {
WTF_MAKE_FAST_ALLOCATED;
public:
PropertyWrapperShadow(CSSPropertyID prop, const ShadowData* (RenderStyle::*getter)() const, void (RenderStyle::*setter)(std::unique_ptr<ShadowData>, bool))
: AnimationPropertyWrapperBase(prop)
, m_getter(getter)
, m_setter(setter)
{
}
bool equals(const RenderStyle* a, const RenderStyle* b) const override
{
if (a == b)
return true;
if (!a || !b)
return false;
const ShadowData* shadowA = (a->*m_getter)();
const ShadowData* shadowB = (b->*m_getter)();
while (true) {
// end of both lists
if (!shadowA && !shadowB)
return true;
// end of just one of the lists
if (!shadowA || !shadowB)
return false;
if (*shadowA != *shadowB)
return false;
shadowA = shadowA->next();
shadowB = shadowB->next();
}
return true;
}
void blend(const CSSPropertyBlendingClient* anim, RenderStyle* dst, const RenderStyle* a, const RenderStyle* b, double progress) const override
{
const ShadowData* shadowA = (a->*m_getter)();
const ShadowData* shadowB = (b->*m_getter)();
int fromLength = shadowListLength(shadowA);
int toLength = shadowListLength(shadowB);
if (fromLength == toLength || (fromLength <= 1 && toLength <= 1)) {
(dst->*m_setter)(blendSimpleOrMatchedShadowLists(anim, progress, shadowA, shadowB), false);
return;
}
(dst->*m_setter)(blendMismatchedShadowLists(anim, progress, shadowA, shadowB, fromLength, toLength), false);
}
#if !LOG_DISABLED
void logBlend(const RenderStyle*, const RenderStyle*, const RenderStyle*, double progress) const final
{
// FIXME: better logging.
LOG_WITH_STREAM(Animations, stream << " blending ShadowData at " << TextStream::FormatNumberRespectingIntegers(progress));
}
#endif
private:
std::unique_ptr<ShadowData> blendSimpleOrMatchedShadowLists(const CSSPropertyBlendingClient* anim, double progress, const ShadowData* shadowA, const ShadowData* shadowB) const
{
std::unique_ptr<ShadowData> newShadowData;
ShadowData* lastShadow = 0;
while (shadowA || shadowB) {
const ShadowData* srcShadow = shadowForBlending(shadowA, shadowB);
const ShadowData* dstShadow = shadowForBlending(shadowB, shadowA);
std::unique_ptr<ShadowData> blendedShadow = blendFunc(anim, srcShadow, dstShadow, progress);
ShadowData* blendedShadowPtr = blendedShadow.get();
if (!lastShadow)
newShadowData = WTFMove(blendedShadow);
else
lastShadow->setNext(WTFMove(blendedShadow));
lastShadow = blendedShadowPtr;
shadowA = shadowA ? shadowA->next() : 0;
shadowB = shadowB ? shadowB->next() : 0;
}
return newShadowData;
}
std::unique_ptr<ShadowData> blendMismatchedShadowLists(const CSSPropertyBlendingClient* anim, double progress, const ShadowData* shadowA, const ShadowData* shadowB, int fromLength, int toLength) const
{
// The shadows in ShadowData are stored in reverse order, so when animating mismatched lists,
// reverse them and match from the end.
Vector<const ShadowData*, 4> fromShadows(fromLength);
for (int i = fromLength - 1; i >= 0; --i) {
fromShadows[i] = shadowA;
shadowA = shadowA->next();
}
Vector<const ShadowData*, 4> toShadows(toLength);
for (int i = toLength - 1; i >= 0; --i) {
toShadows[i] = shadowB;
shadowB = shadowB->next();
}
std::unique_ptr<ShadowData> newShadowData;
int maxLength = std::max(fromLength, toLength);
for (int i = 0; i < maxLength; ++i) {
const ShadowData* fromShadow = i < fromLength ? fromShadows[i] : 0;
const ShadowData* toShadow = i < toLength ? toShadows[i] : 0;
const ShadowData* srcShadow = shadowForBlending(fromShadow, toShadow);
const ShadowData* dstShadow = shadowForBlending(toShadow, fromShadow);
std::unique_ptr<ShadowData> blendedShadow = blendFunc(anim, srcShadow, dstShadow, progress);
// Insert at the start of the list to preserve the order.
blendedShadow->setNext(WTFMove(newShadowData));
newShadowData = WTFMove(blendedShadow);
}
return newShadowData;
}
const ShadowData* (RenderStyle::*m_getter)() const;
void (RenderStyle::*m_setter)(std::unique_ptr<ShadowData>, bool);
};
class PropertyWrapperMaybeInvalidColor : public AnimationPropertyWrapperBase {
WTF_MAKE_FAST_ALLOCATED;
public:
PropertyWrapperMaybeInvalidColor(CSSPropertyID prop, const Color& (RenderStyle::*getter)() const, void (RenderStyle::*setter)(const Color&))
: AnimationPropertyWrapperBase(prop)
, m_getter(getter)
, m_setter(setter)
{
}
bool equals(const RenderStyle* a, const RenderStyle* b) const override
{
if (a == b)
return true;
if (!a || !b)
return false;
Color fromColor = value(a);
Color toColor = value(b);
if (!fromColor.isValid() && !toColor.isValid())
return true;
if (!fromColor.isValid())
fromColor = a->color();
if (!toColor.isValid())
toColor = b->color();
return fromColor == toColor;
}
void blend(const CSSPropertyBlendingClient* anim, RenderStyle* dst, const RenderStyle* a, const RenderStyle* b, double progress) const override
{
Color fromColor = value(a);
Color toColor = value(b);
if (!fromColor.isValid() && !toColor.isValid())
return;
if (!fromColor.isValid())
fromColor = a->color();
if (!toColor.isValid())
toColor = b->color();
(dst->*m_setter)(blendFunc(anim, fromColor, toColor, progress));
}
Color value(const RenderStyle* a) const
{
return (a->*m_getter)();
}
#if !LOG_DISABLED
void logBlend(const RenderStyle* a, const RenderStyle* b, const RenderStyle* result, double progress) const final
{
// FIXME: better logging.
LOG_WITH_STREAM(Animations, stream << " blending " << getPropertyName(property()) << " from " << value(a) << " to " << value(b) << " at " << TextStream::FormatNumberRespectingIntegers(progress) << " -> " << value(result));
}
#endif
private:
const Color& (RenderStyle::*m_getter)() const;
void (RenderStyle::*m_setter)(const Color&);
};
enum MaybeInvalidColorTag { MaybeInvalidColor };
class PropertyWrapperVisitedAffectedColor : public AnimationPropertyWrapperBase {
WTF_MAKE_FAST_ALLOCATED;
public:
PropertyWrapperVisitedAffectedColor(CSSPropertyID prop, const Color& (RenderStyle::*getter)() const, void (RenderStyle::*setter)(const Color&),
const Color& (RenderStyle::*visitedGetter)() const, void (RenderStyle::*visitedSetter)(const Color&))
: AnimationPropertyWrapperBase(prop)
, m_wrapper(makeUnique<PropertyWrapperColor>(prop, getter, setter))
, m_visitedWrapper(makeUnique<PropertyWrapperColor>(prop, visitedGetter, visitedSetter))
{
}
PropertyWrapperVisitedAffectedColor(CSSPropertyID prop, MaybeInvalidColorTag, const Color& (RenderStyle::*getter)() const, void (RenderStyle::*setter)(const Color&),
const Color& (RenderStyle::*visitedGetter)() const, void (RenderStyle::*visitedSetter)(const Color&))
: AnimationPropertyWrapperBase(prop)
, m_wrapper(makeUnique<PropertyWrapperMaybeInvalidColor>(prop, getter, setter))
, m_visitedWrapper(makeUnique<PropertyWrapperMaybeInvalidColor>(prop, visitedGetter, visitedSetter))
{
}
bool equals(const RenderStyle* a, const RenderStyle* b) const override
{
return m_wrapper->equals(a, b) && m_visitedWrapper->equals(a, b);
}
void blend(const CSSPropertyBlendingClient* anim, RenderStyle* dst, const RenderStyle* a, const RenderStyle* b, double progress) const override
{
m_wrapper->blend(anim, dst, a, b, progress);
m_visitedWrapper->blend(anim, dst, a, b, progress);
}
#if !LOG_DISABLED
void logBlend(const RenderStyle* a, const RenderStyle* b, const RenderStyle* result, double progress) const final
{
m_wrapper->logBlend(a, b, result, progress);
m_visitedWrapper->logBlend(a, b, result, progress);
}
#endif
private:
std::unique_ptr<AnimationPropertyWrapperBase> m_wrapper;
std::unique_ptr<AnimationPropertyWrapperBase> m_visitedWrapper;
};
// Wrapper base class for an animatable property in a FillLayer
class FillLayerAnimationPropertyWrapperBase {
WTF_MAKE_FAST_ALLOCATED;
public:
FillLayerAnimationPropertyWrapperBase(CSSPropertyID property)
: m_property(property)
{
}
virtual ~FillLayerAnimationPropertyWrapperBase() = default;
CSSPropertyID property() const { return m_property; }
virtual bool equals(const FillLayer*, const FillLayer*) const = 0;
virtual void blend(const CSSPropertyBlendingClient*, FillLayer*, const FillLayer*, const FillLayer*, double) const = 0;
#if !LOG_DISABLED
virtual void logBlend(const FillLayer* result, const FillLayer*, const FillLayer*, double) const = 0;
#endif
private:
CSSPropertyID m_property;
};
template <typename T>
class FillLayerPropertyWrapperGetter : public FillLayerAnimationPropertyWrapperBase {
WTF_MAKE_FAST_ALLOCATED;
WTF_MAKE_NONCOPYABLE(FillLayerPropertyWrapperGetter);
public:
FillLayerPropertyWrapperGetter(CSSPropertyID property, T (FillLayer::*getter)() const)
: FillLayerAnimationPropertyWrapperBase(property)
, m_getter(getter)
{
}
bool equals(const FillLayer* a, const FillLayer* b) const override
{
if (a == b)
return true;
if (!a || !b)
return false;
return (a->*m_getter)() == (b->*m_getter)();
}
T value(const FillLayer* layer) const
{
return (layer->*m_getter)();
}
#if !LOG_DISABLED
void logBlend(const FillLayer* result, const FillLayer* a, const FillLayer* b, double progress) const override
{
LOG_WITH_STREAM(Animations, stream << " blending " << getPropertyName(property()) << " from " << value(a) << " to " << value(b) << " at " << TextStream::FormatNumberRespectingIntegers(progress) << " -> " << value(result));
}
#endif
protected:
T (FillLayer::*m_getter)() const;
};
template <typename T>
class FillLayerPropertyWrapper : public FillLayerPropertyWrapperGetter<const T&> {
WTF_MAKE_FAST_ALLOCATED;
public:
FillLayerPropertyWrapper(CSSPropertyID property, const T& (FillLayer::*getter)() const, void (FillLayer::*setter)(T))
: FillLayerPropertyWrapperGetter<const T&>(property, getter)
, m_setter(setter)
{
}
void blend(const CSSPropertyBlendingClient* anim, FillLayer* dst, const FillLayer* a, const FillLayer* b, double progress) const override
{
(dst->*m_setter)(blendFunc(anim, (a->*FillLayerPropertyWrapperGetter<const T&>::m_getter)(), (b->*FillLayerPropertyWrapperGetter<const T&>::m_getter)(), progress));
}
#if !LOG_DISABLED
void logBlend(const FillLayer* result, const FillLayer* a, const FillLayer* b, double progress) const override
{
LOG_WITH_STREAM(Animations, stream << " blending " << getPropertyName(FillLayerPropertyWrapperGetter<const T&>::property())
<< " from " << FillLayerPropertyWrapperGetter<const T&>::value(a)
<< " to " << FillLayerPropertyWrapperGetter<const T&>::value(b)
<< " at " << TextStream::FormatNumberRespectingIntegers(progress) << " -> " << FillLayerPropertyWrapperGetter<const T&>::value(result));
}
#endif
protected:
void (FillLayer::*m_setter)(T);
};
class FillLayerPositionPropertyWrapper : public FillLayerPropertyWrapperGetter<const Length&> {
WTF_MAKE_FAST_ALLOCATED;
public:
FillLayerPositionPropertyWrapper(CSSPropertyID property, const Length& (FillLayer::*lengthGetter)() const, void (FillLayer::*lengthSetter)(Length), Edge (FillLayer::*originGetter)() const, void (FillLayer::*originSetter)(Edge), Edge farEdge)
: FillLayerPropertyWrapperGetter<const Length&>(property, lengthGetter)
, m_lengthSetter(lengthSetter)
, m_originGetter(originGetter)
, m_originSetter(originSetter)
, m_farEdge(farEdge)
{
}
bool equals(const FillLayer* a, const FillLayer* b) const override
{
if (a == b)
return true;
if (!a || !b)
return false;
Length fromLength = (a->*FillLayerPropertyWrapperGetter<const Length&>::m_getter)();
Length toLength = (b->*FillLayerPropertyWrapperGetter<const Length&>::m_getter)();
Edge fromEdge = (a->*m_originGetter)();
Edge toEdge = (b->*m_originGetter)();
return fromLength == toLength && fromEdge == toEdge;
}
void blend(const CSSPropertyBlendingClient* anim, FillLayer* dst, const FillLayer* a, const FillLayer* b, double progress) const override
{
Length fromLength = (a->*FillLayerPropertyWrapperGetter<const Length&>::m_getter)();
Length toLength = (b->*FillLayerPropertyWrapperGetter<const Length&>::m_getter)();
Edge fromEdge = (a->*m_originGetter)();
Edge toEdge = (b->*m_originGetter)();
if (fromEdge != toEdge) {
// Convert the right/bottom into a calc expression,
if (fromEdge == m_farEdge)
fromLength = convertTo100PercentMinusLength(fromLength);
else if (toEdge == m_farEdge) {
toLength = convertTo100PercentMinusLength(toLength);
(dst->*m_originSetter)(fromEdge); // Now we have a calc(100% - l), it's relative to the left/top edge.
}
}
(dst->*m_lengthSetter)(blendFunc(anim, fromLength, toLength, progress));
}
#if !LOG_DISABLED
void logBlend(const FillLayer* result, const FillLayer* a, const FillLayer* b, double progress) const override
{
LOG_WITH_STREAM(Animations, stream << " blending " << getPropertyName(property()) << " from " << value(a) << " to " << value(b) << " at " << TextStream::FormatNumberRespectingIntegers(progress) << " -> " << value(result));
}
#endif
protected:
void (FillLayer::*m_lengthSetter)(Length);
Edge (FillLayer::*m_originGetter)() const;
void (FillLayer::*m_originSetter)(Edge);
Edge m_farEdge;
};
template <typename T>
class FillLayerRefCountedPropertyWrapper : public FillLayerPropertyWrapperGetter<T*> {
WTF_MAKE_FAST_ALLOCATED;
public:
FillLayerRefCountedPropertyWrapper(CSSPropertyID property, T* (FillLayer::*getter)() const, void (FillLayer::*setter)(RefPtr<T>&&))
: FillLayerPropertyWrapperGetter<T*>(property, getter)
, m_setter(setter)
{
}
void blend(const CSSPropertyBlendingClient* anim, FillLayer* dst, const FillLayer* a, const FillLayer* b, double progress) const override
{
(dst->*m_setter)(blendFunc(anim, (a->*FillLayerPropertyWrapperGetter<T*>::m_getter)(), (b->*FillLayerPropertyWrapperGetter<T*>::m_getter)(), progress));
}
#if !LOG_DISABLED
void logBlend(const FillLayer* result, const FillLayer* a, const FillLayer* b, double progress) const override
{
LOG_WITH_STREAM(Animations, stream << " blending " << getPropertyName(FillLayerPropertyWrapperGetter<T*>::property())
<< " from " << FillLayerPropertyWrapperGetter<T*>::value(a)
<< " to " << FillLayerPropertyWrapperGetter<T*>::value(b)
<< " at " << TextStream::FormatNumberRespectingIntegers(progress) << " -> " << FillLayerPropertyWrapperGetter<T*>::value(result));
}
#endif
protected:
void (FillLayer::*m_setter)(RefPtr<T>&&);
};
class FillLayerStyleImagePropertyWrapper : public FillLayerRefCountedPropertyWrapper<StyleImage> {
WTF_MAKE_FAST_ALLOCATED;
public:
FillLayerStyleImagePropertyWrapper(CSSPropertyID property, StyleImage* (FillLayer::*getter)() const, void (FillLayer::*setter)(RefPtr<StyleImage>&&))
: FillLayerRefCountedPropertyWrapper<StyleImage>(property, getter, setter)
{
}
bool equals(const FillLayer* a, const FillLayer* b) const override
{
if (a == b)
return true;
if (!a || !b)
return false;
StyleImage* imageA = (a->*m_getter)();
StyleImage* imageB = (b->*m_getter)();
return arePointingToEqualData(imageA, imageB);
}
#if !LOG_DISABLED
void logBlend(const FillLayer* result, const FillLayer* a, const FillLayer* b, double progress) const override
{
LOG_WITH_STREAM(Animations, stream << " blending " << getPropertyName(property()) << " from " << value(a) << " to " << value(b) << " at " << TextStream::FormatNumberRespectingIntegers(progress) << " -> " << value(result));
}
#endif
};
class FillLayersPropertyWrapper : public AnimationPropertyWrapperBase {
WTF_MAKE_FAST_ALLOCATED;
public:
typedef const FillLayer& (RenderStyle::*LayersGetter)() const;
typedef FillLayer& (RenderStyle::*LayersAccessor)();
FillLayersPropertyWrapper(CSSPropertyID property, LayersGetter getter, LayersAccessor accessor)
: AnimationPropertyWrapperBase(property)
, m_layersGetter(getter)
, m_layersAccessor(accessor)
{
switch (property) {
case CSSPropertyBackgroundPositionX:
case CSSPropertyWebkitMaskPositionX:
m_fillLayerPropertyWrapper = makeUnique<FillLayerPositionPropertyWrapper>(property, &FillLayer::xPosition, &FillLayer::setXPosition, &FillLayer::backgroundXOrigin, &FillLayer::setBackgroundXOrigin, Edge::Right);
break;
case CSSPropertyBackgroundPositionY:
case CSSPropertyWebkitMaskPositionY:
m_fillLayerPropertyWrapper = makeUnique<FillLayerPositionPropertyWrapper>(property, &FillLayer::yPosition, &FillLayer::setYPosition, &FillLayer::backgroundYOrigin, &FillLayer::setBackgroundYOrigin, Edge::Bottom);
break;
case CSSPropertyBackgroundSize:
case CSSPropertyWebkitBackgroundSize:
case CSSPropertyWebkitMaskSize:
m_fillLayerPropertyWrapper = makeUnique<FillLayerPropertyWrapper<LengthSize>>(property, &FillLayer::sizeLength, &FillLayer::setSizeLength);
break;
case CSSPropertyBackgroundImage:
m_fillLayerPropertyWrapper = makeUnique<FillLayerStyleImagePropertyWrapper>(property, &FillLayer::image, &FillLayer::setImage);
break;
default:
break;
}
}
bool equals(const RenderStyle* a, const RenderStyle* b) const override
{
if (a == b)
return true;
if (!a || !b)
return false;
auto* fromLayer = &(a->*m_layersGetter)();
auto* toLayer = &(b->*m_layersGetter)();
while (fromLayer && toLayer) {
if (!m_fillLayerPropertyWrapper->equals(fromLayer, toLayer))
return false;
fromLayer = fromLayer->next();
toLayer = toLayer->next();
}
return true;
}
void blend(const CSSPropertyBlendingClient* anim, RenderStyle* dst, const RenderStyle* a, const RenderStyle* b, double progress) const override
{
auto* aLayer = &(a->*m_layersGetter)();
auto* bLayer = &(b->*m_layersGetter)();
auto* dstLayer = &(dst->*m_layersAccessor)();
while (aLayer && bLayer && dstLayer) {
m_fillLayerPropertyWrapper->blend(anim, dstLayer, aLayer, bLayer, progress);
aLayer = aLayer->next();
bLayer = bLayer->next();
dstLayer = dstLayer->next();
}
}
#if !LOG_DISABLED
void logBlend(const RenderStyle* from, const RenderStyle* to, const RenderStyle* result, double progress) const final
{
auto* aLayer = &(from->*m_layersGetter)();
auto* bLayer = &(to->*m_layersGetter)();
auto* dstLayer = &(result->*m_layersGetter)();
while (aLayer && bLayer && dstLayer) {
m_fillLayerPropertyWrapper->logBlend(dstLayer, aLayer, bLayer, progress);
aLayer = aLayer->next();
bLayer = bLayer->next();
dstLayer = dstLayer->next();
}
}
#endif
private:
std::unique_ptr<FillLayerAnimationPropertyWrapperBase> m_fillLayerPropertyWrapper;
LayersGetter m_layersGetter;
LayersAccessor m_layersAccessor;
};
class ShorthandPropertyWrapper : public AnimationPropertyWrapperBase {
WTF_MAKE_FAST_ALLOCATED;
public:
ShorthandPropertyWrapper(CSSPropertyID property, Vector<AnimationPropertyWrapperBase*> longhandWrappers)
: AnimationPropertyWrapperBase(property)
, m_propertyWrappers(WTFMove(longhandWrappers))
{
}
bool isShorthandWrapper() const override { return true; }
bool equals(const RenderStyle* a, const RenderStyle* b) const override
{
if (a == b)
return true;
if (!a || !b)
return false;
for (auto& wrapper : m_propertyWrappers) {
if (!wrapper->equals(a, b))
return false;
}
return true;
}
void blend(const CSSPropertyBlendingClient* anim, RenderStyle* dst, const RenderStyle* a, const RenderStyle* b, double progress) const override
{
for (auto& wrapper : m_propertyWrappers)
wrapper->blend(anim, dst, a, b, progress);
}
#if !LOG_DISABLED
void logBlend(const RenderStyle* a, const RenderStyle* b, const RenderStyle* dst, double progress) const final
{
for (auto& wrapper : m_propertyWrappers)
wrapper->logBlend(a, b, dst, progress);
}
#endif
const Vector<AnimationPropertyWrapperBase*>& propertyWrappers() const { return m_propertyWrappers; }
private:
Vector<AnimationPropertyWrapperBase*> m_propertyWrappers;
};
class PropertyWrapperFlex : public AnimationPropertyWrapperBase {
WTF_MAKE_FAST_ALLOCATED;
public:
PropertyWrapperFlex()
: AnimationPropertyWrapperBase(CSSPropertyFlex)
{
}
bool equals(const RenderStyle* a, const RenderStyle* b) const override
{
if (a == b)
return true;
if (!a || !b)
return false;
return a->flexBasis() == b->flexBasis() && a->flexGrow() == b->flexGrow() && a->flexShrink() == b->flexShrink();
}
void blend(const CSSPropertyBlendingClient* anim, RenderStyle* dst, const RenderStyle* a, const RenderStyle* b, double progress) const override
{
dst->setFlexBasis(blendFunc(anim, a->flexBasis(), b->flexBasis(), progress));
dst->setFlexGrow(blendFunc(anim, a->flexGrow(), b->flexGrow(), progress));
dst->setFlexShrink(blendFunc(anim, a->flexShrink(), b->flexShrink(), progress));
}
#if !LOG_DISABLED
void logBlend(const RenderStyle*, const RenderStyle*, const RenderStyle*, double progress) const final
{
// FIXME: better logging.
LOG_WITH_STREAM(Animations, stream << " blending flex at " << TextStream::FormatNumberRespectingIntegers(progress));
}
#endif
};
class PropertyWrapperSVGPaint : public AnimationPropertyWrapperBase {
WTF_MAKE_FAST_ALLOCATED;
public:
PropertyWrapperSVGPaint(CSSPropertyID prop, SVGPaintType (RenderStyle::*paintTypeGetter)() const, Color (RenderStyle::*getter)() const, void (RenderStyle::*setter)(const Color&))
: AnimationPropertyWrapperBase(prop)
, m_paintTypeGetter(paintTypeGetter)
, m_getter(getter)
, m_setter(setter)
{
}
bool equals(const RenderStyle* a, const RenderStyle* b) const override
{
if (a == b)
return true;
if (!a || !b)
return false;
if ((a->*m_paintTypeGetter)() != (b->*m_paintTypeGetter)())
return false;
// We only support animations between SVGPaints that are pure Color values.
// For everything else we must return true for this method, otherwise
// we will try to animate between values forever.
if ((a->*m_paintTypeGetter)() == SVGPaintType::RGBColor) {
Color fromColor = (a->*m_getter)();
Color toColor = (b->*m_getter)();
if (!fromColor.isValid() && !toColor.isValid())
return true;
if (!fromColor.isValid())
fromColor = Color();
if (!toColor.isValid())
toColor = Color();
return fromColor == toColor;
}
return true;
}
void blend(const CSSPropertyBlendingClient* anim, RenderStyle* dst, const RenderStyle* a, const RenderStyle* b, double progress) const override
{
if ((a->*m_paintTypeGetter)() != SVGPaintType::RGBColor
|| (b->*m_paintTypeGetter)() != SVGPaintType::RGBColor)
return;
Color fromColor = (a->*m_getter)();
Color toColor = (b->*m_getter)();
if (!fromColor.isValid() && !toColor.isValid())
return;
if (!fromColor.isValid())
fromColor = Color();
if (!toColor.isValid())
toColor = Color();
(dst->*m_setter)(blendFunc(anim, fromColor, toColor, progress));
}
#if !LOG_DISABLED
void logBlend(const RenderStyle*, const RenderStyle*, const RenderStyle*, double progress) const final
{
// FIXME: better logging.
LOG_WITH_STREAM(Animations, stream << " blending SVGPaint at " << TextStream::FormatNumberRespectingIntegers(progress));
}
#endif
private:
SVGPaintType (RenderStyle::*m_paintTypeGetter)() const;
Color (RenderStyle::*m_getter)() const;
void (RenderStyle::*m_setter)(const Color&);
};
class PropertyWrapperFontStyle : public PropertyWrapper<Optional<FontSelectionValue>> {
WTF_MAKE_FAST_ALLOCATED;
public:
PropertyWrapperFontStyle()
: PropertyWrapper<Optional<FontSelectionValue>>(CSSPropertyFontStyle, &RenderStyle::fontItalic, &RenderStyle::setFontItalic)
{
}
bool canInterpolate(const RenderStyle* from, const RenderStyle* to) const override
{
return from->fontItalic() && to->fontItalic() && from->fontDescription().fontStyleAxis() == FontStyleAxis::slnt && to->fontDescription().fontStyleAxis() == FontStyleAxis::slnt;
}
void blend(const CSSPropertyBlendingClient* anim, RenderStyle* dst, const RenderStyle* from, const RenderStyle* to, double progress) const override
{
auto discrete = !canInterpolate(from, to);
auto blendedStyleAxis = FontStyleAxis::slnt;
if (discrete)
blendedStyleAxis = (progress < 0.5 ? from : to)->fontDescription().fontStyleAxis();
auto fromFontItalic = from->fontItalic();
auto toFontItalic = to->fontItalic();
auto blendedFontItalic = progress < 0.5 ? fromFontItalic : toFontItalic;
if (!discrete)
blendedFontItalic = blendFunc(anim, fromFontItalic, toFontItalic, progress);
FontSelector* currentFontSelector = dst->fontCascade().fontSelector();
auto description = dst->fontDescription();
description.setItalic(blendedFontItalic);
description.setFontStyleAxis(blendedStyleAxis);
dst->setFontDescription(WTFMove(description));
dst->fontCascade().update(currentFontSelector);
}
};
class CSSPropertyAnimationWrapperMap {
WTF_MAKE_FAST_ALLOCATED;
public:
static CSSPropertyAnimationWrapperMap& singleton()
{
// FIXME: This data is never destroyed. Maybe we should ref count it and toss it when the last CSSAnimationController is destroyed?
static NeverDestroyed<CSSPropertyAnimationWrapperMap> map;
return map;
}
AnimationPropertyWrapperBase* wrapperForProperty(CSSPropertyID propertyID)
{
if (propertyID < firstCSSProperty || propertyID > lastCSSProperty)
return nullptr;
unsigned wrapperIndex = indexFromPropertyID(propertyID);
if (wrapperIndex == cInvalidPropertyWrapperIndex)
return nullptr;
return m_propertyWrappers[wrapperIndex].get();
}
AnimationPropertyWrapperBase* wrapperForIndex(unsigned index)
{
ASSERT(index < m_propertyWrappers.size());
return m_propertyWrappers[index].get();
}
unsigned size()
{
return m_propertyWrappers.size();
}
private:
CSSPropertyAnimationWrapperMap();
~CSSPropertyAnimationWrapperMap() = delete;
unsigned char& indexFromPropertyID(CSSPropertyID propertyID)
{
return m_propertyToIdMap[propertyID - firstCSSProperty];
}
Vector<std::unique_ptr<AnimationPropertyWrapperBase>> m_propertyWrappers;
unsigned char m_propertyToIdMap[numCSSProperties];
static const unsigned char cInvalidPropertyWrapperIndex = UCHAR_MAX;
friend class WTF::NeverDestroyed<CSSPropertyAnimationWrapperMap>;
};
CSSPropertyAnimationWrapperMap::CSSPropertyAnimationWrapperMap()
{
// build the list of property wrappers to do the comparisons and blends
AnimationPropertyWrapperBase* animatableLonghandPropertyWrappers[] = {
new LengthPropertyWrapper(CSSPropertyLeft, &RenderStyle::left, &RenderStyle::setLeft),
new LengthPropertyWrapper(CSSPropertyRight, &RenderStyle::right, &RenderStyle::setRight),
new LengthPropertyWrapper(CSSPropertyTop, &RenderStyle::top, &RenderStyle::setTop),
new LengthPropertyWrapper(CSSPropertyBottom, &RenderStyle::bottom, &RenderStyle::setBottom),
new LengthPropertyWrapper(CSSPropertyWidth, &RenderStyle::width, &RenderStyle::setWidth),
new LengthPropertyWrapper(CSSPropertyMinWidth, &RenderStyle::minWidth, &RenderStyle::setMinWidth),
new LengthPropertyWrapper(CSSPropertyMaxWidth, &RenderStyle::maxWidth, &RenderStyle::setMaxWidth),
new LengthPropertyWrapper(CSSPropertyHeight, &RenderStyle::height, &RenderStyle::setHeight),
new LengthPropertyWrapper(CSSPropertyMinHeight, &RenderStyle::minHeight, &RenderStyle::setMinHeight),
new LengthPropertyWrapper(CSSPropertyMaxHeight, &RenderStyle::maxHeight, &RenderStyle::setMaxHeight),
new PropertyWrapperFlex(),
new PropertyWrapper<float>(CSSPropertyBorderLeftWidth, &RenderStyle::borderLeftWidth, &RenderStyle::setBorderLeftWidth),
new PropertyWrapper<float>(CSSPropertyBorderRightWidth, &RenderStyle::borderRightWidth, &RenderStyle::setBorderRightWidth),
new PropertyWrapper<float>(CSSPropertyBorderTopWidth, &RenderStyle::borderTopWidth, &RenderStyle::setBorderTopWidth),
new PropertyWrapper<float>(CSSPropertyBorderBottomWidth, &RenderStyle::borderBottomWidth, &RenderStyle::setBorderBottomWidth),
new LengthPropertyWrapper(CSSPropertyMarginLeft, &RenderStyle::marginLeft, &RenderStyle::setMarginLeft),
new LengthPropertyWrapper(CSSPropertyMarginRight, &RenderStyle::marginRight, &RenderStyle::setMarginRight),
new LengthPropertyWrapper(CSSPropertyMarginTop, &RenderStyle::marginTop, &RenderStyle::setMarginTop),
new LengthPropertyWrapper(CSSPropertyMarginBottom, &RenderStyle::marginBottom, &RenderStyle::setMarginBottom),
new LengthPropertyWrapper(CSSPropertyPaddingLeft, &RenderStyle::paddingLeft, &RenderStyle::setPaddingLeft),
new LengthPropertyWrapper(CSSPropertyPaddingRight, &RenderStyle::paddingRight, &RenderStyle::setPaddingRight),
new LengthPropertyWrapper(CSSPropertyPaddingTop, &RenderStyle::paddingTop, &RenderStyle::setPaddingTop),
new LengthPropertyWrapper(CSSPropertyPaddingBottom, &RenderStyle::paddingBottom, &RenderStyle::setPaddingBottom),
new PropertyWrapperVisitedAffectedColor(CSSPropertyCaretColor, &RenderStyle::caretColor, &RenderStyle::setCaretColor, &RenderStyle::visitedLinkCaretColor, &RenderStyle::setVisitedLinkCaretColor),
new PropertyWrapperVisitedAffectedColor(CSSPropertyColor, &RenderStyle::color, &RenderStyle::setColor, &RenderStyle::visitedLinkColor, &RenderStyle::setVisitedLinkColor),
new PropertyWrapperVisitedAffectedColor(CSSPropertyBackgroundColor, &RenderStyle::backgroundColor, &RenderStyle::setBackgroundColor, &RenderStyle::visitedLinkBackgroundColor, &RenderStyle::setVisitedLinkBackgroundColor),
new FillLayersPropertyWrapper(CSSPropertyBackgroundImage, &RenderStyle::backgroundLayers, &RenderStyle::ensureBackgroundLayers),
new StyleImagePropertyWrapper(CSSPropertyListStyleImage, &RenderStyle::listStyleImage, &RenderStyle::setListStyleImage),
new StyleImagePropertyWrapper(CSSPropertyWebkitMaskImage, &RenderStyle::maskImage, &RenderStyle::setMaskImage),
new StyleImagePropertyWrapper(CSSPropertyBorderImageSource, &RenderStyle::borderImageSource, &RenderStyle::setBorderImageSource),
new LengthVariantPropertyWrapper<LengthBox>(CSSPropertyBorderImageSlice, &RenderStyle::borderImageSlices, &RenderStyle::setBorderImageSlices),
new LengthVariantPropertyWrapper<LengthBox>(CSSPropertyBorderImageWidth, &RenderStyle::borderImageWidth, &RenderStyle::setBorderImageWidth),
new LengthVariantPropertyWrapper<LengthBox>(CSSPropertyBorderImageOutset, &RenderStyle::borderImageOutset, &RenderStyle::setBorderImageOutset),
new StyleImagePropertyWrapper(CSSPropertyWebkitMaskBoxImageSource, &RenderStyle::maskBoxImageSource, &RenderStyle::setMaskBoxImageSource),
new PropertyWrapper<const NinePieceImage&>(CSSPropertyWebkitMaskBoxImage, &RenderStyle::maskBoxImage, &RenderStyle::setMaskBoxImage),
new FillLayersPropertyWrapper(CSSPropertyBackgroundPositionX, &RenderStyle::backgroundLayers, &RenderStyle::ensureBackgroundLayers),
new FillLayersPropertyWrapper(CSSPropertyBackgroundPositionY, &RenderStyle::backgroundLayers, &RenderStyle::ensureBackgroundLayers),
new FillLayersPropertyWrapper(CSSPropertyBackgroundSize, &RenderStyle::backgroundLayers, &RenderStyle::ensureBackgroundLayers),
new FillLayersPropertyWrapper(CSSPropertyWebkitBackgroundSize, &RenderStyle::backgroundLayers, &RenderStyle::ensureBackgroundLayers),
new FillLayersPropertyWrapper(CSSPropertyWebkitMaskPositionX, &RenderStyle::maskLayers, &RenderStyle::ensureMaskLayers),
new FillLayersPropertyWrapper(CSSPropertyWebkitMaskPositionY, &RenderStyle::maskLayers, &RenderStyle::ensureMaskLayers),
new FillLayersPropertyWrapper(CSSPropertyWebkitMaskSize, &RenderStyle::maskLayers, &RenderStyle::ensureMaskLayers),
new PropertyWrapper<float>(CSSPropertyFontSize, &RenderStyle::computedFontSize, &RenderStyle::setFontSize),
new PropertyWrapper<unsigned short>(CSSPropertyColumnRuleWidth, &RenderStyle::columnRuleWidth, &RenderStyle::setColumnRuleWidth),
new LengthVariantPropertyWrapper<GapLength>(CSSPropertyColumnGap, &RenderStyle::columnGap, &RenderStyle::setColumnGap),
new LengthVariantPropertyWrapper<GapLength>(CSSPropertyRowGap, &RenderStyle::rowGap, &RenderStyle::setRowGap),
new PropertyWrapper<unsigned short>(CSSPropertyColumnCount, &RenderStyle::columnCount, &RenderStyle::setColumnCount),
new PropertyWrapper<float>(CSSPropertyColumnWidth, &RenderStyle::columnWidth, &RenderStyle::setColumnWidth),
new PropertyWrapper<float>(CSSPropertyWebkitBorderHorizontalSpacing, &RenderStyle::horizontalBorderSpacing, &RenderStyle::setHorizontalBorderSpacing),
new PropertyWrapper<float>(CSSPropertyWebkitBorderVerticalSpacing, &RenderStyle::verticalBorderSpacing, &RenderStyle::setVerticalBorderSpacing),
new PropertyWrapper<int>(CSSPropertyZIndex, &RenderStyle::zIndex, &RenderStyle::setZIndex),
new PropertyWrapper<short>(CSSPropertyOrphans, &RenderStyle::orphans, &RenderStyle::setOrphans),
new PropertyWrapper<short>(CSSPropertyWidows, &RenderStyle::widows, &RenderStyle::setWidows),
new LengthPropertyWrapper(CSSPropertyLineHeight, &RenderStyle::specifiedLineHeight, &RenderStyle::setLineHeight),
new PropertyWrapper<float>(CSSPropertyOutlineOffset, &RenderStyle::outlineOffset, &RenderStyle::setOutlineOffset),
new PropertyWrapper<float>(CSSPropertyOutlineWidth, &RenderStyle::outlineWidth, &RenderStyle::setOutlineWidth),
new PropertyWrapper<float>(CSSPropertyLetterSpacing, &RenderStyle::letterSpacing, &RenderStyle::setLetterSpacing),
new LengthPropertyWrapper(CSSPropertyWordSpacing, &RenderStyle::wordSpacing, &RenderStyle::setWordSpacing),
new LengthPropertyWrapper(CSSPropertyTextIndent, &RenderStyle::textIndent, &RenderStyle::setTextIndent),
new PropertyWrapper<float>(CSSPropertyPerspective, &RenderStyle::perspective, &RenderStyle::setPerspective),
new LengthPropertyWrapper(CSSPropertyPerspectiveOriginX, &RenderStyle::perspectiveOriginX, &RenderStyle::setPerspectiveOriginX),
new LengthPropertyWrapper(CSSPropertyPerspectiveOriginY, &RenderStyle::perspectiveOriginY, &RenderStyle::setPerspectiveOriginY),
new LengthPropertyWrapper(CSSPropertyTransformOriginX, &RenderStyle::transformOriginX, &RenderStyle::setTransformOriginX),
new LengthPropertyWrapper(CSSPropertyTransformOriginY, &RenderStyle::transformOriginY, &RenderStyle::setTransformOriginY),
new PropertyWrapper<float>(CSSPropertyTransformOriginZ, &RenderStyle::transformOriginZ, &RenderStyle::setTransformOriginZ),
new LengthVariantPropertyWrapper<LengthSize>(CSSPropertyBorderTopLeftRadius, &RenderStyle::borderTopLeftRadius, &RenderStyle::setBorderTopLeftRadius),
new LengthVariantPropertyWrapper<LengthSize>(CSSPropertyBorderTopRightRadius, &RenderStyle::borderTopRightRadius, &RenderStyle::setBorderTopRightRadius),
new LengthVariantPropertyWrapper<LengthSize>(CSSPropertyBorderBottomLeftRadius, &RenderStyle::borderBottomLeftRadius, &RenderStyle::setBorderBottomLeftRadius),
new LengthVariantPropertyWrapper<LengthSize>(CSSPropertyBorderBottomRightRadius, &RenderStyle::borderBottomRightRadius, &RenderStyle::setBorderBottomRightRadius),
new PropertyWrapper<Visibility>(CSSPropertyVisibility, &RenderStyle::visibility, &RenderStyle::setVisibility),
new PropertyWrapper<float>(CSSPropertyZoom, &RenderStyle::zoom, &RenderStyle::setZoomWithoutReturnValue),
new LengthVariantPropertyWrapper<LengthBox>(CSSPropertyClip, &RenderStyle::clip, &RenderStyle::setClip),
new PropertyWrapperAcceleratedOpacity(),
new PropertyWrapperAcceleratedTransform(),
new PropertyWrapperFilter(CSSPropertyFilter, &RenderStyle::filter, &RenderStyle::setFilter),
#if ENABLE(FILTERS_LEVEL_2)
new PropertyWrapperFilter(CSSPropertyWebkitBackdropFilter, &RenderStyle::backdropFilter, &RenderStyle::setBackdropFilter),
#endif
new PropertyWrapperFilter(CSSPropertyAppleColorFilter, &RenderStyle::appleColorFilter, &RenderStyle::setAppleColorFilter),
new PropertyWrapperClipPath(CSSPropertyWebkitClipPath, &RenderStyle::clipPath, &RenderStyle::setClipPath),
new PropertyWrapperShape(CSSPropertyShapeOutside, &RenderStyle::shapeOutside, &RenderStyle::setShapeOutside),
new LengthPropertyWrapper(CSSPropertyShapeMargin, &RenderStyle::shapeMargin, &RenderStyle::setShapeMargin),
new PropertyWrapper<float>(CSSPropertyShapeImageThreshold, &RenderStyle::shapeImageThreshold, &RenderStyle::setShapeImageThreshold),
new PropertyWrapperVisitedAffectedColor(CSSPropertyColumnRuleColor, MaybeInvalidColor, &RenderStyle::columnRuleColor, &RenderStyle::setColumnRuleColor, &RenderStyle::visitedLinkColumnRuleColor, &RenderStyle::setVisitedLinkColumnRuleColor),
new PropertyWrapperVisitedAffectedColor(CSSPropertyWebkitTextStrokeColor, MaybeInvalidColor, &RenderStyle::textStrokeColor, &RenderStyle::setTextStrokeColor, &RenderStyle::visitedLinkTextStrokeColor, &RenderStyle::setVisitedLinkTextStrokeColor),
new PropertyWrapperVisitedAffectedColor(CSSPropertyWebkitTextFillColor, MaybeInvalidColor, &RenderStyle::textFillColor, &RenderStyle::setTextFillColor, &RenderStyle::visitedLinkTextFillColor, &RenderStyle::setVisitedLinkTextFillColor),
new PropertyWrapperVisitedAffectedColor(CSSPropertyBorderLeftColor, MaybeInvalidColor, &RenderStyle::borderLeftColor, &RenderStyle::setBorderLeftColor, &RenderStyle::visitedLinkBorderLeftColor, &RenderStyle::setVisitedLinkBorderLeftColor),
new PropertyWrapperVisitedAffectedColor(CSSPropertyBorderRightColor, MaybeInvalidColor, &RenderStyle::borderRightColor, &RenderStyle::setBorderRightColor, &RenderStyle::visitedLinkBorderRightColor, &RenderStyle::setVisitedLinkBorderRightColor),
new PropertyWrapperVisitedAffectedColor(CSSPropertyBorderTopColor, MaybeInvalidColor, &RenderStyle::borderTopColor, &RenderStyle::setBorderTopColor, &RenderStyle::visitedLinkBorderTopColor, &RenderStyle::setVisitedLinkBorderTopColor),
new PropertyWrapperVisitedAffectedColor(CSSPropertyBorderBottomColor, MaybeInvalidColor, &RenderStyle::borderBottomColor, &RenderStyle::setBorderBottomColor, &RenderStyle::visitedLinkBorderBottomColor, &RenderStyle::setVisitedLinkBorderBottomColor),
new PropertyWrapperVisitedAffectedColor(CSSPropertyOutlineColor, MaybeInvalidColor, &RenderStyle::outlineColor, &RenderStyle::setOutlineColor, &RenderStyle::visitedLinkOutlineColor, &RenderStyle::setVisitedLinkOutlineColor),
new PropertyWrapperShadow(CSSPropertyBoxShadow, &RenderStyle::boxShadow, &RenderStyle::setBoxShadow),
new PropertyWrapperShadow(CSSPropertyWebkitBoxShadow, &RenderStyle::boxShadow, &RenderStyle::setBoxShadow),
new PropertyWrapperShadow(CSSPropertyTextShadow, &RenderStyle::textShadow, &RenderStyle::setTextShadow),
new PropertyWrapperSVGPaint(CSSPropertyFill, &RenderStyle::fillPaintType, &RenderStyle::fillPaintColor, &RenderStyle::setFillPaintColor),
new PropertyWrapper<float>(CSSPropertyFillOpacity, &RenderStyle::fillOpacity, &RenderStyle::setFillOpacity),
new PropertyWrapperSVGPaint(CSSPropertyStroke, &RenderStyle::strokePaintType, &RenderStyle::strokePaintColor, &RenderStyle::setStrokePaintColor),
new PropertyWrapper<float>(CSSPropertyStrokeOpacity, &RenderStyle::strokeOpacity, &RenderStyle::setStrokeOpacity),
new PropertyWrapper<Vector<SVGLengthValue>>(CSSPropertyStrokeDasharray, &RenderStyle::strokeDashArray, &RenderStyle::setStrokeDashArray),
new PropertyWrapper<float>(CSSPropertyStrokeMiterlimit, &RenderStyle::strokeMiterLimit, &RenderStyle::setStrokeMiterLimit),
new LengthPropertyWrapper(CSSPropertyCx, &RenderStyle::cx, &RenderStyle::setCx),
new LengthPropertyWrapper(CSSPropertyCy, &RenderStyle::cy, &RenderStyle::setCy),
new LengthPropertyWrapper(CSSPropertyR, &RenderStyle::r, &RenderStyle::setR),
new LengthPropertyWrapper(CSSPropertyRx, &RenderStyle::rx, &RenderStyle::setRx),
new LengthPropertyWrapper(CSSPropertyRy, &RenderStyle::ry, &RenderStyle::setRy),
new LengthPropertyWrapper(CSSPropertyStrokeDashoffset, &RenderStyle::strokeDashOffset, &RenderStyle::setStrokeDashOffset),
new LengthPropertyWrapper(CSSPropertyStrokeWidth, &RenderStyle::strokeWidth, &RenderStyle::setStrokeWidth),
new LengthPropertyWrapper(CSSPropertyX, &RenderStyle::x, &RenderStyle::setX),
new LengthPropertyWrapper(CSSPropertyY, &RenderStyle::y, &RenderStyle::setY),
new PropertyWrapper<float>(CSSPropertyFloodOpacity, &RenderStyle::floodOpacity, &RenderStyle::setFloodOpacity),
new PropertyWrapperMaybeInvalidColor(CSSPropertyFloodColor, &RenderStyle::floodColor, &RenderStyle::setFloodColor),
new PropertyWrapper<float>(CSSPropertyStopOpacity, &RenderStyle::stopOpacity, &RenderStyle::setStopOpacity),
new PropertyWrapperMaybeInvalidColor(CSSPropertyStopColor, &RenderStyle::stopColor, &RenderStyle::setStopColor),
new PropertyWrapperMaybeInvalidColor(CSSPropertyLightingColor, &RenderStyle::lightingColor, &RenderStyle::setLightingColor),
new PropertyWrapper<SVGLengthValue>(CSSPropertyBaselineShift, &RenderStyle::baselineShiftValue, &RenderStyle::setBaselineShiftValue),
new PropertyWrapper<SVGLengthValue>(CSSPropertyKerning, &RenderStyle::kerning, &RenderStyle::setKerning),
#if ENABLE(VARIATION_FONTS)
new PropertyWrapperFontVariationSettings(CSSPropertyFontVariationSettings, &RenderStyle::fontVariationSettings, &RenderStyle::setFontVariationSettings),
#endif
new PropertyWrapper<FontSelectionValue>(CSSPropertyFontWeight, &RenderStyle::fontWeight, &RenderStyle::setFontWeight),
new PropertyWrapper<FontSelectionValue>(CSSPropertyFontStretch, &RenderStyle::fontStretch, &RenderStyle::setFontStretch),
new PropertyWrapperFontStyle(),
new PropertyWrapper<TextDecorationThickness>(CSSPropertyTextDecorationThickness, &RenderStyle::textDecorationThickness, &RenderStyle::setTextDecorationThickness),
new PropertyWrapper<TextUnderlineOffset>(CSSPropertyTextUnderlineOffset, &RenderStyle::textUnderlineOffset, &RenderStyle::setTextUnderlineOffset),
};
const unsigned animatableLonghandPropertiesCount = WTF_ARRAY_LENGTH(animatableLonghandPropertyWrappers);
static const CSSPropertyID animatableShorthandProperties[] = {
CSSPropertyBackground, // for background-color, background-position, background-image
CSSPropertyBackgroundPosition,
CSSPropertyFont, // for font-size, font-weight
CSSPropertyWebkitMask, // for mask-position
CSSPropertyWebkitMaskPosition,
CSSPropertyBorderTop, CSSPropertyBorderRight, CSSPropertyBorderBottom, CSSPropertyBorderLeft,
CSSPropertyBorderColor,
CSSPropertyBorderRadius,
CSSPropertyBorderWidth,
CSSPropertyBorder,
CSSPropertyBorderImage,
CSSPropertyBorderSpacing,
CSSPropertyListStyle, // for list-style-image
CSSPropertyMargin,
CSSPropertyOutline,
CSSPropertyPadding,
CSSPropertyWebkitTextStroke,
CSSPropertyColumnRule,
CSSPropertyWebkitBorderRadius,
CSSPropertyTransformOrigin
};
const unsigned animatableShorthandPropertiesCount = WTF_ARRAY_LENGTH(animatableShorthandProperties);
// TODO:
//
// CSSPropertyVerticalAlign
//
// Compound properties that have components that should be animatable:
//
// CSSPropertyColumns
// CSSPropertyWebkitBoxReflect
// Make sure unused slots have a value
for (int i = 0; i < numCSSProperties; ++i)
m_propertyToIdMap[i] = cInvalidPropertyWrapperIndex;
COMPILE_ASSERT(animatableLonghandPropertiesCount + animatableShorthandPropertiesCount < UCHAR_MAX, numberOfAnimatablePropertiesMustBeLessThanUCharMax);
m_propertyWrappers.reserveInitialCapacity(animatableLonghandPropertiesCount + animatableShorthandPropertiesCount);
// First we put the non-shorthand property wrappers into the map, so the shorthand-building
// code can find them.
for (unsigned i = 0; i < animatableLonghandPropertiesCount; ++i) {
AnimationPropertyWrapperBase* wrapper = animatableLonghandPropertyWrappers[i];
m_propertyWrappers.uncheckedAppend(std::unique_ptr<AnimationPropertyWrapperBase>(wrapper));
indexFromPropertyID(wrapper->property()) = i;
}
for (size_t i = 0; i < animatableShorthandPropertiesCount; ++i) {
CSSPropertyID propertyID = animatableShorthandProperties[i];
StylePropertyShorthand shorthand = shorthandForProperty(propertyID);
if (!shorthand.length())
continue;
Vector<AnimationPropertyWrapperBase*> longhandWrappers;
longhandWrappers.reserveInitialCapacity(shorthand.length());
const CSSPropertyID* properties = shorthand.properties();
for (unsigned j = 0; j < shorthand.length(); ++j) {
unsigned wrapperIndex = indexFromPropertyID(properties[j]);
if (wrapperIndex == cInvalidPropertyWrapperIndex)
continue;
ASSERT(m_propertyWrappers[wrapperIndex]);
longhandWrappers.uncheckedAppend(m_propertyWrappers[wrapperIndex].get());
}
m_propertyWrappers.uncheckedAppend(makeUnique<ShorthandPropertyWrapper>(propertyID, WTFMove(longhandWrappers)));
indexFromPropertyID(propertyID) = animatableLonghandPropertiesCount + i;
}
}
static bool gatherEnclosingShorthandProperties(CSSPropertyID property, AnimationPropertyWrapperBase* wrapper, HashSet<CSSPropertyID>& propertySet)
{
if (!wrapper->isShorthandWrapper())
return false;
ShorthandPropertyWrapper* shorthandWrapper = static_cast<ShorthandPropertyWrapper*>(wrapper);
bool contained = false;
for (auto& currWrapper : shorthandWrapper->propertyWrappers()) {
if (gatherEnclosingShorthandProperties(property, currWrapper, propertySet) || currWrapper->property() == property)
contained = true;
}
if (contained)
propertySet.add(wrapper->property());
return contained;
}
// Returns true if we need to start animation timers
bool CSSPropertyAnimation::blendProperties(const CSSPropertyBlendingClient* anim, CSSPropertyID prop, RenderStyle* dst, const RenderStyle* a, const RenderStyle* b, double progress)
{
ASSERT(prop != CSSPropertyInvalid);
AnimationPropertyWrapperBase* wrapper = CSSPropertyAnimationWrapperMap::singleton().wrapperForProperty(prop);
if (wrapper) {
wrapper->blend(anim, dst, a, b, progress);
#if !LOG_DISABLED
wrapper->logBlend(a, b, dst, progress);
#endif
return !wrapper->animationIsAccelerated() || !anim->isAccelerated();
}
return false;
}
bool CSSPropertyAnimation::isPropertyAnimatable(CSSPropertyID prop)
{
return CSSPropertyAnimationWrapperMap::singleton().wrapperForProperty(prop);
}
bool CSSPropertyAnimation::animationOfPropertyIsAccelerated(CSSPropertyID prop)
{
AnimationPropertyWrapperBase* wrapper = CSSPropertyAnimationWrapperMap::singleton().wrapperForProperty(prop);
return wrapper ? wrapper->animationIsAccelerated() : false;
}
// Note: this is inefficient. It's only called from pauseTransitionAtTime().
HashSet<CSSPropertyID> CSSPropertyAnimation::animatableShorthandsAffectingProperty(CSSPropertyID property)
{
CSSPropertyAnimationWrapperMap& map = CSSPropertyAnimationWrapperMap::singleton();
HashSet<CSSPropertyID> foundProperties;
for (unsigned i = 0; i < map.size(); ++i)
gatherEnclosingShorthandProperties(property, map.wrapperForIndex(i), foundProperties);
return foundProperties;
}
bool CSSPropertyAnimation::propertiesEqual(CSSPropertyID prop, const RenderStyle* a, const RenderStyle* b)
{
AnimationPropertyWrapperBase* wrapper = CSSPropertyAnimationWrapperMap::singleton().wrapperForProperty(prop);
if (wrapper)
return wrapper->equals(a, b);
return true;
}
bool CSSPropertyAnimation::canPropertyBeInterpolated(CSSPropertyID prop, const RenderStyle* a, const RenderStyle* b)
{
AnimationPropertyWrapperBase* wrapper = CSSPropertyAnimationWrapperMap::singleton().wrapperForProperty(prop);
if (wrapper)
return wrapper->canInterpolate(a, b);
return false;
}
CSSPropertyID CSSPropertyAnimation::getPropertyAtIndex(int i, Optional<bool>& isShorthand)
{
CSSPropertyAnimationWrapperMap& map = CSSPropertyAnimationWrapperMap::singleton();
if (i < 0 || static_cast<unsigned>(i) >= map.size())
return CSSPropertyInvalid;
AnimationPropertyWrapperBase* wrapper = map.wrapperForIndex(i);
isShorthand = wrapper->isShorthandWrapper();
return wrapper->property();
}
int CSSPropertyAnimation::getNumProperties()
{
return CSSPropertyAnimationWrapperMap::singleton().size();
}
}