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/*
* Copyright (C) 2007, 2008, 2009 Apple Inc. All rights reserved.
* Copyright (C) 2012 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 Computer, 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 "core/page/animation/CSSPropertyAnimation.h"
#include <algorithm>
#include "CSSPropertyNames.h"
#include "StylePropertyShorthand.h"
#include "core/animation/css/CSSAnimations.h"
#include "core/css/CSSCrossfadeValue.h"
#include "core/css/CSSImageValue.h"
#include "core/css/CSSPrimitiveValue.h"
#include "core/fetch/ImageResource.h"
#include "core/page/animation/AnimationBase.h"
#include "core/platform/FloatConversion.h"
#include "core/rendering/ClipPathOperation.h"
#include "core/rendering/RenderBox.h"
#include "core/rendering/style/RenderStyle.h"
#include "core/rendering/style/StyleFetchedImage.h"
#include "core/rendering/style/StyleGeneratedImage.h"
#include "wtf/Noncopyable.h"
namespace WebCore {
static inline int blendFunc(const AnimationBase*, int from, int to, double progress)
{
return blend(from, to, progress);
}
static inline unsigned blendFunc(const AnimationBase*, unsigned from, unsigned to, double progress)
{
return blend(from, to, progress);
}
static inline double blendFunc(const AnimationBase*, double from, double to, double progress)
{
return blend(from, to, progress);
}
static inline float blendFunc(const AnimationBase*, float from, float to, double progress)
{
return narrowPrecisionToFloat(from + (to - from) * progress);
}
static inline Color blendFunc(const AnimationBase* animation, const StyleColor& from, const StyleColor& to, double progress)
{
Color fromColor = animation->renderer()->resolveColor(from);
Color toColor = animation->renderer()->resolveColor(to);
return blend(fromColor, toColor, progress);
}
static inline Length blendFunc(const AnimationBase*, const Length& from, const Length& to, double progress)
{
return to.blend(from, narrowPrecisionToFloat(progress));
}
static inline LengthSize blendFunc(const AnimationBase* anim, const LengthSize& from, const LengthSize& to, double progress)
{
return LengthSize(blendFunc(anim, from.width(), to.width(), progress),
blendFunc(anim, from.height(), to.height(), progress));
}
static inline IntSize blendFunc(const AnimationBase* anim, const IntSize& from, const IntSize& to, double progress)
{
return IntSize(blendFunc(anim, from.width(), to.width(), progress),
blendFunc(anim, from.height(), to.height(), progress));
}
static inline ShadowStyle blendFunc(const AnimationBase* 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 PassOwnPtr<ShadowData> blendFunc(const AnimationBase* anim, const ShadowData* from, const ShadowData* to, double progress)
{
ASSERT(from && to);
if (from->style() != to->style())
return to->clone();
Color fromColor = anim->renderer()->resolveColor(from->color());
Color toColor = anim->renderer()->resolveColor(to->color());
return ShadowData::create(blend(from->location(), to->location(), progress),
blend(from->blur(), to->blur(), progress),
blend(from->spread(), to->spread(), progress),
blendFunc(anim, from->style(), to->style(), progress),
blend(fromColor, toColor, progress));
}
static inline TransformOperations blendFunc(const AnimationBase* anim, const TransformOperations& from, const TransformOperations& to, double progress)
{
if (anim->isTransformFunctionListValid())
return to.blendByMatchingOperations(from, progress);
return to.blendByUsingMatrixInterpolation(from, progress);
}
static inline PassRefPtr<ClipPathOperation> blendFunc(const AnimationBase*, ClipPathOperation* from, ClipPathOperation* to, double progress)
{
// Other clip-path operations than BasicShapes can not be animated.
if (from->getOperationType() != ClipPathOperation::SHAPE || to->getOperationType() != ClipPathOperation::SHAPE)
return to;
const BasicShape* fromShape = static_cast<ShapeClipPathOperation*>(from)->basicShape();
const BasicShape* toShape = static_cast<ShapeClipPathOperation*>(to)->basicShape();
if (!fromShape->canBlend(toShape))
return to;
return ShapeClipPathOperation::create(toShape->blend(fromShape, progress));
}
static inline PassRefPtr<ShapeValue> blendFunc(const AnimationBase*, ShapeValue* from, ShapeValue* to, double progress)
{
// FIXME Bug 102723: Shape-inside should be able to animate a value of 'outside-shape' when shape-outside is set to a BasicShape
if (from->type() != ShapeValue::Shape || to->type() != ShapeValue::Shape)
return to;
const BasicShape* fromShape = from->shape();
const BasicShape* toShape = to->shape();
if (!fromShape->canBlend(toShape))
return to;
return ShapeValue::createShapeValue(toShape->blend(fromShape, progress));
}
static inline PassRefPtr<FilterOperation> blendFunc(const AnimationBase* anim, FilterOperation* fromOp, FilterOperation* toOp, double progress, bool blendToPassthrough = false)
{
ASSERT(toOp);
return toOp->blend(fromOp, progress, blendToPassthrough);
}
static inline FilterOperations blendFunc(const AnimationBase* anim, const FilterOperations& from, const FilterOperations& to, double progress)
{
FilterOperations result;
// If we have a filter function list, use that to do a per-function animation.
if (anim->filterFunctionListsMatch()) {
size_t fromSize = from.operations().size();
size_t toSize = to.operations().size();
size_t size = 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 {
RefPtr<FilterOperation> identityOp = PassthroughFilterOperation::create();
if (progress > 0.5)
result.operations().append(toOp ? toOp : identityOp);
else
result.operations().append(fromOp ? fromOp : identityOp);
}
}
} 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 EVisibility blendFunc(const AnimationBase* anim, EVisibility from, EVisibility 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 (HIDDEN vs. COLLAPSE) depends on the specified from/to values.
double fromVal = from == VISIBLE ? 1. : 0.;
double toVal = to == VISIBLE ? 1. : 0.;
if (fromVal == toVal)
return to;
double result = blendFunc(anim, fromVal, toVal, progress);
return result > 0. ? VISIBLE : (to != VISIBLE ? to : from);
}
static inline LengthBox blendFunc(const AnimationBase* anim, const LengthBox& from, const LengthBox& to, double progress)
{
// Length types have to match to animate
if (from.top().type() != to.top().type()
|| from.right().type() != to.right().type()
|| from.bottom().type() != to.bottom().type()
|| from.left().type() != to.left().type())
return to;
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 SVGLength blendFunc(const AnimationBase*, const SVGLength& from, const SVGLength& to, double progress)
{
return to.blend(from, narrowPrecisionToFloat(progress));
}
static inline Vector<SVGLength> blendFunc(const AnimationBase*, const Vector<SVGLength>& from, const Vector<SVGLength>& 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 (!(fromLength % toLength))
resultLength = fromLength;
else if (!(toLength % fromLength))
resultLength = toLength;
else
resultLength = fromLength * toLength;
}
Vector<SVGLength> result(resultLength);
for (size_t i = 0; i < resultLength; ++i)
result[i] = to[i % toLength].blend(from[i % fromLength], narrowPrecisionToFloat(progress));
return result;
}
static inline PassRefPtr<StyleImage> crossfadeBlend(const AnimationBase*, StyleFetchedImage* fromStyleImage, StyleFetchedImage* 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;
ImageResource* fromImageResource = static_cast<ImageResource*>(fromStyleImage->data());
ImageResource* toImageResource = static_cast<ImageResource*>(toStyleImage->data());
RefPtr<CSSImageValue> fromImageValue = CSSImageValue::create(fromImageResource->url(), fromStyleImage);
RefPtr<CSSImageValue> toImageValue = CSSImageValue::create(toImageResource->url(), toStyleImage);
RefPtr<CSSCrossfadeValue> crossfadeValue = CSSCrossfadeValue::create(fromImageValue, toImageValue);
crossfadeValue->setPercentage(CSSPrimitiveValue::create(progress, CSSPrimitiveValue::CSS_NUMBER));
return StyleGeneratedImage::create(crossfadeValue.get());
}
static inline PassRefPtr<StyleImage> blendFunc(const AnimationBase* anim, StyleImage* from, StyleImage* to, double progress)
{
if (!from || !to)
return to;
if (from->isImageResource() && to->isImageResource())
return crossfadeBlend(anim, static_cast<StyleFetchedImage*>(from), static_cast<StyleFetchedImage*>(to), progress);
// FIXME: Support transitioning generated images as well. (gradients, etc.)
return to;
}
static inline NinePieceImage blendFunc(const AnimationBase* 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 (from.image()->imageSize(anim->renderer(), 1.0) != to.image()->imageSize(anim->renderer(), 1.0))
return to;
RefPtr<StyleImage> newContentImage = blendFunc(anim, from.image(), to.image(), progress);
return NinePieceImage(newContentImage, from.imageSlices(), from.fill(), from.borderSlices(), from.outset(), from.horizontalRule(), from.verticalRule());
}
class AnimationPropertyWrapperBase {
WTF_MAKE_NONCOPYABLE(AnimationPropertyWrapperBase);
WTF_MAKE_FAST_ALLOCATED;
public:
AnimationPropertyWrapperBase(CSSPropertyID prop)
: m_prop(prop)
{
}
virtual ~AnimationPropertyWrapperBase() { }
virtual bool isShorthandWrapper() const { return false; }
virtual bool equals(const RenderStyle* a, const RenderStyle* b) const = 0;
virtual void blend(const AnimationBase*, RenderStyle*, const RenderStyle*, const RenderStyle*, double) const = 0;
CSSPropertyID property() const { return m_prop; }
virtual bool animationIsAccelerated() const { return false; }
private:
CSSPropertyID m_prop;
};
static int gPropertyWrapperMap[numCSSProperties];
static const int cInvalidPropertyWrapperIndex = -1;
static Vector<AnimationPropertyWrapperBase*>* gPropertyWrappers = 0;
static void addPropertyWrapper(CSSPropertyID propertyID, AnimationPropertyWrapperBase* wrapper)
{
int propIndex = propertyID - firstCSSProperty;
ASSERT(gPropertyWrapperMap[propIndex] == cInvalidPropertyWrapperIndex);
unsigned wrapperIndex = gPropertyWrappers->size();
gPropertyWrappers->append(wrapper);
gPropertyWrapperMap[propIndex] = wrapperIndex;
}
static AnimationPropertyWrapperBase* wrapperForProperty(CSSPropertyID propertyID)
{
int propIndex = propertyID - firstCSSProperty;
if (propIndex >= 0 && propIndex < numCSSProperties) {
int wrapperIndex = gPropertyWrapperMap[propIndex];
if (wrapperIndex >= 0)
return (*gPropertyWrappers)[wrapperIndex];
}
return 0;
}
template <typename T>
class PropertyWrapperGetter : public AnimationPropertyWrapperBase {
public:
PropertyWrapperGetter(CSSPropertyID prop, T (RenderStyle::*getter)() const)
: AnimationPropertyWrapperBase(prop)
, m_getter(getter)
{
}
virtual bool equals(const RenderStyle* a, const RenderStyle* b) const
{
// 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) || a == b)
return true;
if (!a || !b)
return false;
return (a->*m_getter)() == (b->*m_getter)();
}
protected:
T (RenderStyle::*m_getter)() const;
};
template <typename T>
class PropertyWrapper : public PropertyWrapperGetter<T> {
public:
PropertyWrapper(CSSPropertyID prop, T (RenderStyle::*getter)() const, void (RenderStyle::*setter)(T))
: PropertyWrapperGetter<T>(prop, getter)
, m_setter(setter)
{
}
virtual void blend(const AnimationBase* anim, RenderStyle* dst, const RenderStyle* a, const RenderStyle* b, double progress) const
{
(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*> {
public:
RefCountedPropertyWrapper(CSSPropertyID prop, T* (RenderStyle::*getter)() const, void (RenderStyle::*setter)(PassRefPtr<T>))
: PropertyWrapperGetter<T*>(prop, getter)
, m_setter(setter)
{
}
virtual void blend(const AnimationBase* anim, RenderStyle* dst, const RenderStyle* a, const RenderStyle* b, double progress) const
{
(dst->*m_setter)(blendFunc(anim, (a->*PropertyWrapperGetter<T*>::m_getter)(), (b->*PropertyWrapperGetter<T*>::m_getter)(), progress));
}
protected:
void (RenderStyle::*m_setter)(PassRefPtr<T>);
};
class PropertyWrapperClipPath : public RefCountedPropertyWrapper<ClipPathOperation> {
public:
PropertyWrapperClipPath(CSSPropertyID prop, ClipPathOperation* (RenderStyle::*getter)() const, void (RenderStyle::*setter)(PassRefPtr<ClipPathOperation>))
: RefCountedPropertyWrapper<ClipPathOperation>(prop, getter, setter)
{
}
};
class PropertyWrapperShape : public RefCountedPropertyWrapper<ShapeValue> {
public:
PropertyWrapperShape(CSSPropertyID prop, ShapeValue* (RenderStyle::*getter)() const, void (RenderStyle::*setter)(PassRefPtr<ShapeValue>))
: RefCountedPropertyWrapper<ShapeValue>(prop, getter, setter)
{
}
};
class StyleImagePropertyWrapper : public RefCountedPropertyWrapper<StyleImage> {
public:
StyleImagePropertyWrapper(CSSPropertyID prop, StyleImage* (RenderStyle::*getter)() const, void (RenderStyle::*setter)(PassRefPtr<StyleImage>))
: RefCountedPropertyWrapper<StyleImage>(prop, getter, setter)
{
}
virtual bool equals(const RenderStyle* a, const RenderStyle* b) const
{
// 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;
StyleImage* imageA = (a->*m_getter)();
StyleImage* imageB = (b->*m_getter)();
return StyleImage::imagesEquivalent(imageA, imageB);
}
};
class PropertyWrapperColor : public PropertyWrapperGetter<StyleColor> {
public:
PropertyWrapperColor(CSSPropertyID prop, StyleColor (RenderStyle::*getter)() const, void (RenderStyle::*setter)(const StyleColor&))
: PropertyWrapperGetter<StyleColor>(prop, getter)
, m_setter(setter)
{
}
virtual void blend(const AnimationBase* anim, RenderStyle* dst, const RenderStyle* a, const RenderStyle* b, double progress) const
{
(dst->*m_setter)(blendFunc(anim, (a->*PropertyWrapperGetter<StyleColor>::m_getter)(), (b->*PropertyWrapperGetter<StyleColor>::m_getter)(), progress));
}
protected:
void (RenderStyle::*m_setter)(const StyleColor&);
};
class PropertyWrapperAcceleratedOpacity : public PropertyWrapper<float> {
public:
PropertyWrapperAcceleratedOpacity()
: PropertyWrapper<float>(CSSPropertyOpacity, &RenderStyle::opacity, &RenderStyle::setOpacity)
{
}
virtual bool animationIsAccelerated() const { return true; }
virtual void blend(const AnimationBase* anim, RenderStyle* dst, const RenderStyle* a, const RenderStyle* b, double progress) const
{
float fromOpacity = a->opacity();
// This makes sure we put the object being animated into a RenderLayer during the animation
dst->setOpacity(blendFunc(anim, (fromOpacity == 1) ? 0.999999f : fromOpacity, b->opacity(), progress));
}
};
class PropertyWrapperAcceleratedTransform : public PropertyWrapper<const TransformOperations&> {
public:
PropertyWrapperAcceleratedTransform()
: PropertyWrapper<const TransformOperations&>(CSSPropertyWebkitTransform, &RenderStyle::transform, &RenderStyle::setTransform)
{
}
virtual bool animationIsAccelerated() const { return true; }
virtual void blend(const AnimationBase* anim, RenderStyle* dst, const RenderStyle* a, const RenderStyle* b, double progress) const
{
dst->setTransform(blendFunc(anim, a->transform(), b->transform(), progress));
}
};
class PropertyWrapperAcceleratedFilter : public PropertyWrapper<const FilterOperations&> {
public:
PropertyWrapperAcceleratedFilter()
: PropertyWrapper<const FilterOperations&>(CSSPropertyWebkitFilter, &RenderStyle::filter, &RenderStyle::setFilter)
{
}
virtual bool animationIsAccelerated() const { return true; }
virtual void blend(const AnimationBase* anim, RenderStyle* dst, const RenderStyle* a, const RenderStyle* b, double progress) const
{
dst->setFilter(blendFunc(anim, a->filter(), b->filter(), progress));
}
};
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)
{
DEFINE_STATIC_LOCAL(OwnPtr<ShadowData>, defaultShadowData, (ShadowData::create(IntPoint(), 0, 0, Normal, Color::transparent)));
DEFINE_STATIC_LOCAL(OwnPtr<ShadowData>, defaultInsetShadowData, (ShadowData::create(IntPoint(), 0, 0, Inset, Color::transparent)));
if (srcShadow)
return srcShadow;
if (otherShadow->style() == Inset)
return defaultInsetShadowData.get();
return defaultShadowData.get();
}
class PropertyWrapperShadow : public AnimationPropertyWrapperBase {
public:
PropertyWrapperShadow(CSSPropertyID prop, const ShadowData* (RenderStyle::*getter)() const, void (RenderStyle::*setter)(PassOwnPtr<ShadowData>, bool))
: AnimationPropertyWrapperBase(prop)
, m_getter(getter)
, m_setter(setter)
{
}
virtual bool equals(const RenderStyle* a, const RenderStyle* b) const
{
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;
}
virtual void blend(const AnimationBase* anim, RenderStyle* dst, const RenderStyle* a, const RenderStyle* b, double progress) const
{
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);
}
private:
PassOwnPtr<ShadowData*> blendSimpleOrMatchedShadowLists(const AnimationBase* anim, double progress, const ShadowData* shadowA, const ShadowData* shadowB) const
{
OwnPtr<ShadowData> newShadowData;
ShadowData* lastShadow = 0;
while (shadowA || shadowB) {
const ShadowData* srcShadow = shadowForBlending(shadowA, shadowB);
const ShadowData* dstShadow = shadowForBlending(shadowB, shadowA);
OwnPtr<ShadowData> blendedShadow = blendFunc(anim, srcShadow, dstShadow, progress);
ShadowData* blendedShadowPtr = blendedShadow.get();
if (!lastShadow)
newShadowData = blendedShadow.release();
else
lastShadow->setNext(blendedShadow.release());
lastShadow = blendedShadowPtr;
shadowA = shadowA ? shadowA->next() : 0;
shadowB = shadowB ? shadowB->next() : 0;
}
return newShadowData.release();
}
PassOwnPtr<ShadowData*> blendMismatchedShadowLists(const AnimationBase* 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();
}
OwnPtr<ShadowData> newShadowData;
int maxLength = 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);
OwnPtr<ShadowData> blendedShadow = blendFunc(anim, srcShadow, dstShadow, progress);
// Insert at the start of the list to preserve the order.
blendedShadow->setNext(newShadowData.release());
newShadowData = blendedShadow.release();
}
return newShadowData.release();
}
const ShadowData* (RenderStyle::*m_getter)() const;
void (RenderStyle::*m_setter)(PassOwnPtr<ShadowData>, bool);
};
class PropertyWrapperMaybeInvalidColor : public AnimationPropertyWrapperBase {
public:
PropertyWrapperMaybeInvalidColor(CSSPropertyID prop, StyleColor (RenderStyle::*getter)() const, void (RenderStyle::*setter)(const StyleColor&))
: AnimationPropertyWrapperBase(prop)
, m_getter(getter)
, m_setter(setter)
{
}
virtual bool equals(const RenderStyle* a, const RenderStyle* b) const
{
StyleColor fromColor = (a->*m_getter)();
StyleColor toColor = (b->*m_getter)();
if (!fromColor.isValid() && !toColor.isValid())
return true;
if (!fromColor.isValid())
fromColor = a->color();
if (!toColor.isValid())
toColor = b->color();
return fromColor == toColor;
}
virtual void blend(const AnimationBase* anim, RenderStyle* dst, const RenderStyle* a, const RenderStyle* b, double progress) const
{
StyleColor fromColor = (a->*m_getter)();
StyleColor toColor = (b->*m_getter)();
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));
}
private:
StyleColor (RenderStyle::*m_getter)() const;
void (RenderStyle::*m_setter)(const StyleColor&);
};
enum MaybeInvalidColorTag { MaybeInvalidColor };
class PropertyWrapperVisitedAffectedColor : public AnimationPropertyWrapperBase {
public:
PropertyWrapperVisitedAffectedColor(CSSPropertyID prop, StyleColor (RenderStyle::*getter)() const, void (RenderStyle::*setter)(const StyleColor&),
StyleColor (RenderStyle::*visitedGetter)() const, void (RenderStyle::*visitedSetter)(const StyleColor&))
: AnimationPropertyWrapperBase(prop)
, m_wrapper(adoptPtr(new PropertyWrapperColor(prop, getter, setter)))
, m_visitedWrapper(adoptPtr(new PropertyWrapperColor(prop, visitedGetter, visitedSetter)))
{
}
PropertyWrapperVisitedAffectedColor(CSSPropertyID prop, MaybeInvalidColorTag, StyleColor (RenderStyle::*getter)() const, void (RenderStyle::*setter)(const StyleColor&),
StyleColor (RenderStyle::*visitedGetter)() const, void (RenderStyle::*visitedSetter)(const StyleColor&))
: AnimationPropertyWrapperBase(prop)
, m_wrapper(adoptPtr(new PropertyWrapperMaybeInvalidColor(prop, getter, setter)))
, m_visitedWrapper(adoptPtr(new PropertyWrapperMaybeInvalidColor(prop, visitedGetter, visitedSetter)))
{
}
virtual bool equals(const RenderStyle* a, const RenderStyle* b) const
{
return m_wrapper->equals(a, b) && m_visitedWrapper->equals(a, b);
}
virtual void blend(const AnimationBase* anim, RenderStyle* dst, const RenderStyle* a, const RenderStyle* b, double progress) const
{
m_wrapper->blend(anim, dst, a, b, progress);
m_visitedWrapper->blend(anim, dst, a, b, progress);
}
private:
OwnPtr<AnimationPropertyWrapperBase> m_wrapper;
OwnPtr<AnimationPropertyWrapperBase> m_visitedWrapper;
};
// Wrapper base class for an animatable property in a FillLayer
class FillLayerAnimationPropertyWrapperBase {
public:
FillLayerAnimationPropertyWrapperBase()
{
}
virtual ~FillLayerAnimationPropertyWrapperBase() { }
virtual bool equals(const FillLayer*, const FillLayer*) const = 0;
virtual void blend(const AnimationBase*, FillLayer*, const FillLayer*, const FillLayer*, double) const = 0;
};
template <typename T>
class FillLayerPropertyWrapperGetter : public FillLayerAnimationPropertyWrapperBase {
WTF_MAKE_NONCOPYABLE(FillLayerPropertyWrapperGetter);
public:
FillLayerPropertyWrapperGetter(T (FillLayer::*getter)() const)
: m_getter(getter)
{
}
virtual bool equals(const FillLayer* a, const FillLayer* b) const
{
// 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) || a == b)
return true;
if (!a || !b)
return false;
return (a->*m_getter)() == (b->*m_getter)();
}
protected:
T (FillLayer::*m_getter)() const;
};
template <typename T>
class FillLayerPropertyWrapper : public FillLayerPropertyWrapperGetter<T> {
public:
FillLayerPropertyWrapper(T (FillLayer::*getter)() const, void (FillLayer::*setter)(T))
: FillLayerPropertyWrapperGetter<T>(getter)
, m_setter(setter)
{
}
virtual void blend(const AnimationBase* anim, FillLayer* dst, const FillLayer* a, const FillLayer* b, double progress) const
{
(dst->*m_setter)(blendFunc(anim, (a->*FillLayerPropertyWrapperGetter<T>::m_getter)(), (b->*FillLayerPropertyWrapperGetter<T>::m_getter)(), progress));
}
protected:
void (FillLayer::*m_setter)(T);
};
template <typename T>
class FillLayerRefCountedPropertyWrapper : public FillLayerPropertyWrapperGetter<T*> {
public:
FillLayerRefCountedPropertyWrapper(T* (FillLayer::*getter)() const, void (FillLayer::*setter)(PassRefPtr<T>))
: FillLayerPropertyWrapperGetter<T*>(getter)
, m_setter(setter)
{
}
virtual void blend(const AnimationBase* anim, FillLayer* dst, const FillLayer* a, const FillLayer* b, double progress) const
{
(dst->*m_setter)(blendFunc(anim, (a->*FillLayerPropertyWrapperGetter<T*>::m_getter)(), (b->*FillLayerPropertyWrapperGetter<T*>::m_getter)(), progress));
}
protected:
void (FillLayer::*m_setter)(PassRefPtr<T>);
};
class FillLayerStyleImagePropertyWrapper : public FillLayerRefCountedPropertyWrapper<StyleImage> {
public:
FillLayerStyleImagePropertyWrapper(StyleImage* (FillLayer::*getter)() const, void (FillLayer::*setter)(PassRefPtr<StyleImage>))
: FillLayerRefCountedPropertyWrapper<StyleImage>(getter, setter)
{
}
virtual bool equals(const FillLayer* a, const FillLayer* b) const
{
// 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;
StyleImage* imageA = (a->*m_getter)();
StyleImage* imageB = (b->*m_getter)();
return StyleImage::imagesEquivalent(imageA, imageB);
}
};
class FillLayersPropertyWrapper : public AnimationPropertyWrapperBase {
public:
typedef const FillLayer* (RenderStyle::*LayersGetter)() const;
typedef FillLayer* (RenderStyle::*LayersAccessor)();
FillLayersPropertyWrapper(CSSPropertyID prop, LayersGetter getter, LayersAccessor accessor)
: AnimationPropertyWrapperBase(prop)
, m_layersGetter(getter)
, m_layersAccessor(accessor)
{
switch (prop) {
case CSSPropertyBackgroundPositionX:
case CSSPropertyWebkitMaskPositionX:
m_fillLayerPropertyWrapper = new FillLayerPropertyWrapper<Length>(&FillLayer::xPosition, &FillLayer::setXPosition);
break;
case CSSPropertyBackgroundPositionY:
case CSSPropertyWebkitMaskPositionY:
m_fillLayerPropertyWrapper = new FillLayerPropertyWrapper<Length>(&FillLayer::yPosition, &FillLayer::setYPosition);
break;
case CSSPropertyBackgroundSize:
case CSSPropertyWebkitBackgroundSize:
case CSSPropertyWebkitMaskSize:
m_fillLayerPropertyWrapper = new FillLayerPropertyWrapper<LengthSize>(&FillLayer::sizeLength, &FillLayer::setSizeLength);
break;
case CSSPropertyBackgroundImage:
m_fillLayerPropertyWrapper = new FillLayerStyleImagePropertyWrapper(&FillLayer::image, &FillLayer::setImage);
break;
default:
break;
}
}
virtual bool equals(const RenderStyle* a, const RenderStyle* b) const
{
const FillLayer* fromLayer = (a->*m_layersGetter)();
const FillLayer* toLayer = (b->*m_layersGetter)();
while (fromLayer && toLayer) {
if (!m_fillLayerPropertyWrapper->equals(fromLayer, toLayer))
return false;
fromLayer = fromLayer->next();
toLayer = toLayer->next();
}
return true;
}
virtual void blend(const AnimationBase* anim, RenderStyle* dst, const RenderStyle* a, const RenderStyle* b, double progress) const
{
const FillLayer* aLayer = (a->*m_layersGetter)();
const FillLayer* bLayer = (b->*m_layersGetter)();
FillLayer* 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();
}
}
private:
FillLayerAnimationPropertyWrapperBase* m_fillLayerPropertyWrapper;
LayersGetter m_layersGetter;
LayersAccessor m_layersAccessor;
};
class ShorthandPropertyWrapper : public AnimationPropertyWrapperBase {
public:
ShorthandPropertyWrapper(CSSPropertyID property, const StylePropertyShorthand& shorthand)
: AnimationPropertyWrapperBase(property)
{
for (unsigned i = 0; i < shorthand.length(); ++i) {
AnimationPropertyWrapperBase* wrapper = wrapperForProperty(shorthand.properties()[i]);
if (wrapper)
m_propertyWrappers.append(wrapper);
}
}
virtual bool isShorthandWrapper() const { return true; }
virtual bool equals(const RenderStyle* a, const RenderStyle* b) const
{
Vector<AnimationPropertyWrapperBase*>::const_iterator end = m_propertyWrappers.end();
for (Vector<AnimationPropertyWrapperBase*>::const_iterator it = m_propertyWrappers.begin(); it != end; ++it) {
if (!(*it)->equals(a, b))
return false;
}
return true;
}
virtual void blend(const AnimationBase* anim, RenderStyle* dst, const RenderStyle* a, const RenderStyle* b, double progress) const
{
Vector<AnimationPropertyWrapperBase*>::const_iterator end = m_propertyWrappers.end();
for (Vector<AnimationPropertyWrapperBase*>::const_iterator it = m_propertyWrappers.begin(); it != end; ++it)
(*it)->blend(anim, dst, a, b, progress);
}
const Vector<AnimationPropertyWrapperBase*> propertyWrappers() const { return m_propertyWrappers; }
private:
Vector<AnimationPropertyWrapperBase*> m_propertyWrappers;
};
class PropertyWrapperFlex : public AnimationPropertyWrapperBase {
public:
PropertyWrapperFlex()
: AnimationPropertyWrapperBase(CSSPropertyFlex)
{
}
virtual bool equals(const RenderStyle* a, const RenderStyle* b) const
{
// 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) || a == b)
return true;
if (!a || !b)
return false;
return a->flexBasis() == b->flexBasis() && a->flexGrow() == b->flexGrow() && a->flexShrink() == b->flexShrink();
}
virtual void blend(const AnimationBase* anim, RenderStyle* dst, const RenderStyle* a, const RenderStyle* b, double progress) const
{
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));
}
};
class PropertyWrapperSVGPaint : public AnimationPropertyWrapperBase {
public:
PropertyWrapperSVGPaint(CSSPropertyID prop, const SVGPaint::SVGPaintType& (RenderStyle::*paintTypeGetter)() const, StyleColor (RenderStyle::*getter)() const, void (RenderStyle::*setter)(const StyleColor&))
: AnimationPropertyWrapperBase(prop)
, m_paintTypeGetter(paintTypeGetter)
, m_getter(getter)
, m_setter(setter)
{
}
virtual bool equals(const RenderStyle* a, const RenderStyle* b) const
{
if ((a->*m_paintTypeGetter)() != (b->*m_paintTypeGetter)())
return false;
// We only support animations between SVGPaints that are pure StyleColor values.
// For everything else we must return true for this method, otherwise
// we will try to animate between values forever.
if ((a->*m_paintTypeGetter)() == SVGPaint::SVG_PAINTTYPE_RGBCOLOR) {
StyleColor fromColor = (a->*m_getter)();
StyleColor toColor = (b->*m_getter)();
if (!fromColor.isValid() && !toColor.isValid())
return true;
if (!fromColor.isValid())
fromColor = StyleColor();
if (!toColor.isValid())
toColor = StyleColor();
return fromColor == toColor;
}
return true;
}
virtual void blend(const AnimationBase* anim, RenderStyle* dst, const RenderStyle* a, const RenderStyle* b, double progress) const
{
if ((a->*m_paintTypeGetter)() != SVGPaint::SVG_PAINTTYPE_RGBCOLOR
|| (b->*m_paintTypeGetter)() != SVGPaint::SVG_PAINTTYPE_RGBCOLOR)
return;
StyleColor fromColor = (a->*m_getter)();
StyleColor toColor = (b->*m_getter)();
if (!fromColor.isValid() && !toColor.isValid())
return;
if (!fromColor.isValid())
fromColor = StyleColor();
if (!toColor.isValid())
toColor = StyleColor();
(dst->*m_setter)(blendFunc(anim, fromColor, toColor, progress));
}
private:
const SVGPaint::SVGPaintType& (RenderStyle::*m_paintTypeGetter)() const;
StyleColor (RenderStyle::*m_getter)() const;
void (RenderStyle::*m_setter)(const StyleColor&);
};
static void addShorthandProperties()
{
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,
CSSPropertyWebkitColumnRule,
CSSPropertyWebkitBorderRadius,
CSSPropertyWebkitTransformOrigin
};
for (size_t i = 0; i < WTF_ARRAY_LENGTH(animatableShorthandProperties); ++i) {
CSSPropertyID propertyID = animatableShorthandProperties[i];
StylePropertyShorthand shorthand = shorthandForProperty(propertyID);
if (shorthand.length() > 0)
addPropertyWrapper(propertyID, new ShorthandPropertyWrapper(propertyID, shorthand));
}
}
void CSSPropertyAnimation::ensurePropertyMap()
{
// FIXME: This data is never destroyed. Maybe we should ref count it and toss it when the last AnimationController is destroyed?
if (gPropertyWrappers)
return;
gPropertyWrappers = new Vector<AnimationPropertyWrapperBase*>();
// build the list of property wrappers to do the comparisons and blends
gPropertyWrappers->append(new PropertyWrapper<Length>(CSSPropertyLeft, &RenderStyle::left, &RenderStyle::setLeft));
gPropertyWrappers->append(new PropertyWrapper<Length>(CSSPropertyRight, &RenderStyle::right, &RenderStyle::setRight));
gPropertyWrappers->append(new PropertyWrapper<Length>(CSSPropertyTop, &RenderStyle::top, &RenderStyle::setTop));
gPropertyWrappers->append(new PropertyWrapper<Length>(CSSPropertyBottom, &RenderStyle::bottom, &RenderStyle::setBottom));
gPropertyWrappers->append(new PropertyWrapper<Length>(CSSPropertyWidth, &RenderStyle::width, &RenderStyle::setWidth));
gPropertyWrappers->append(new PropertyWrapper<Length>(CSSPropertyMinWidth, &RenderStyle::minWidth, &RenderStyle::setMinWidth));
gPropertyWrappers->append(new PropertyWrapper<Length>(CSSPropertyMaxWidth, &RenderStyle::maxWidth, &RenderStyle::setMaxWidth));
gPropertyWrappers->append(new PropertyWrapper<Length>(CSSPropertyHeight, &RenderStyle::height, &RenderStyle::setHeight));
gPropertyWrappers->append(new PropertyWrapper<Length>(CSSPropertyMinHeight, &RenderStyle::minHeight, &RenderStyle::setMinHeight));
gPropertyWrappers->append(new PropertyWrapper<Length>(CSSPropertyMaxHeight, &RenderStyle::maxHeight, &RenderStyle::setMaxHeight));
gPropertyWrappers->append(new PropertyWrapperFlex());
gPropertyWrappers->append(new PropertyWrapper<unsigned>(CSSPropertyBorderLeftWidth, &RenderStyle::borderLeftWidth, &RenderStyle::setBorderLeftWidth));
gPropertyWrappers->append(new PropertyWrapper<unsigned>(CSSPropertyBorderRightWidth, &RenderStyle::borderRightWidth, &RenderStyle::setBorderRightWidth));
gPropertyWrappers->append(new PropertyWrapper<unsigned>(CSSPropertyBorderTopWidth, &RenderStyle::borderTopWidth, &RenderStyle::setBorderTopWidth));
gPropertyWrappers->append(new PropertyWrapper<unsigned>(CSSPropertyBorderBottomWidth, &RenderStyle::borderBottomWidth, &RenderStyle::setBorderBottomWidth));
gPropertyWrappers->append(new PropertyWrapper<Length>(CSSPropertyMarginLeft, &RenderStyle::marginLeft, &RenderStyle::setMarginLeft));
gPropertyWrappers->append(new PropertyWrapper<Length>(CSSPropertyMarginRight, &RenderStyle::marginRight, &RenderStyle::setMarginRight));
gPropertyWrappers->append(new PropertyWrapper<Length>(CSSPropertyMarginTop, &RenderStyle::marginTop, &RenderStyle::setMarginTop));
gPropertyWrappers->append(new PropertyWrapper<Length>(CSSPropertyMarginBottom, &RenderStyle::marginBottom, &RenderStyle::setMarginBottom));
gPropertyWrappers->append(new PropertyWrapper<Length>(CSSPropertyPaddingLeft, &RenderStyle::paddingLeft, &RenderStyle::setPaddingLeft));
gPropertyWrappers->append(new PropertyWrapper<Length>(CSSPropertyPaddingRight, &RenderStyle::paddingRight, &RenderStyle::setPaddingRight));
gPropertyWrappers->append(new PropertyWrapper<Length>(CSSPropertyPaddingTop, &RenderStyle::paddingTop, &RenderStyle::setPaddingTop));
gPropertyWrappers->append(new PropertyWrapper<Length>(CSSPropertyPaddingBottom, &RenderStyle::paddingBottom, &RenderStyle::setPaddingBottom));
gPropertyWrappers->append(new PropertyWrapperVisitedAffectedColor(CSSPropertyColor, &RenderStyle::color, &RenderStyle::setColor, &RenderStyle::visitedLinkColor, &RenderStyle::setVisitedLinkColor));
gPropertyWrappers->append(new PropertyWrapperVisitedAffectedColor(CSSPropertyBackgroundColor, &RenderStyle::backgroundColor, &RenderStyle::setBackgroundColor, &RenderStyle::visitedLinkBackgroundColor, &RenderStyle::setVisitedLinkBackgroundColor));
gPropertyWrappers->append(new FillLayersPropertyWrapper(CSSPropertyBackgroundImage, &RenderStyle::backgroundLayers, &RenderStyle::accessBackgroundLayers));
gPropertyWrappers->append(new StyleImagePropertyWrapper(CSSPropertyListStyleImage, &RenderStyle::listStyleImage, &RenderStyle::setListStyleImage));
gPropertyWrappers->append(new StyleImagePropertyWrapper(CSSPropertyWebkitMaskImage, &RenderStyle::maskImage, &RenderStyle::setMaskImage));
gPropertyWrappers->append(new StyleImagePropertyWrapper(CSSPropertyBorderImageSource, &RenderStyle::borderImageSource, &RenderStyle::setBorderImageSource));
gPropertyWrappers->append(new PropertyWrapper<LengthBox>(CSSPropertyBorderImageSlice, &RenderStyle::borderImageSlices, &RenderStyle::setBorderImageSlices));
gPropertyWrappers->append(new PropertyWrapper<LengthBox>(CSSPropertyBorderImageWidth, &RenderStyle::borderImageWidth, &RenderStyle::setBorderImageWidth));
gPropertyWrappers->append(new PropertyWrapper<LengthBox>(CSSPropertyBorderImageOutset, &RenderStyle::borderImageOutset, &RenderStyle::setBorderImageOutset));
gPropertyWrappers->append(new StyleImagePropertyWrapper(CSSPropertyWebkitMaskBoxImageSource, &RenderStyle::maskBoxImageSource, &RenderStyle::setMaskBoxImageSource));
gPropertyWrappers->append(new PropertyWrapper<const NinePieceImage&>(CSSPropertyWebkitMaskBoxImage, &RenderStyle::maskBoxImage, &RenderStyle::setMaskBoxImage));
gPropertyWrappers->append(new FillLayersPropertyWrapper(CSSPropertyBackgroundPositionX, &RenderStyle::backgroundLayers, &RenderStyle::accessBackgroundLayers));
gPropertyWrappers->append(new FillLayersPropertyWrapper(CSSPropertyBackgroundPositionY, &RenderStyle::backgroundLayers, &RenderStyle::accessBackgroundLayers));
gPropertyWrappers->append(new FillLayersPropertyWrapper(CSSPropertyBackgroundSize, &RenderStyle::backgroundLayers, &RenderStyle::accessBackgroundLayers));
gPropertyWrappers->append(new FillLayersPropertyWrapper(CSSPropertyWebkitBackgroundSize, &RenderStyle::backgroundLayers, &RenderStyle::accessBackgroundLayers));
gPropertyWrappers->append(new FillLayersPropertyWrapper(CSSPropertyWebkitMaskPositionX, &RenderStyle::maskLayers, &RenderStyle::accessMaskLayers));
gPropertyWrappers->append(new FillLayersPropertyWrapper(CSSPropertyWebkitMaskPositionY, &RenderStyle::maskLayers, &RenderStyle::accessMaskLayers));
gPropertyWrappers->append(new FillLayersPropertyWrapper(CSSPropertyWebkitMaskSize, &RenderStyle::maskLayers, &RenderStyle::accessMaskLayers));
gPropertyWrappers->append(new PropertyWrapper<float>(CSSPropertyFontSize,
// Must pass a specified size to setFontSize if Text Autosizing is enabled, but a computed size
// if text zoom is enabled (if neither is enabled it's irrelevant as they're probably the same).
// FIXME: Should we introduce an option to pass the computed font size here, allowing consumers to
// enable text zoom rather than Text Autosizing? See http://crbug.com/227545.
&RenderStyle::specifiedFontSize,
&RenderStyle::setFontSize));
gPropertyWrappers->append(new PropertyWrapper<unsigned short>(CSSPropertyWebkitColumnRuleWidth, &RenderStyle::columnRuleWidth, &RenderStyle::setColumnRuleWidth));
gPropertyWrappers->append(new PropertyWrapper<float>(CSSPropertyWebkitColumnGap, &RenderStyle::columnGap, &RenderStyle::setColumnGap));
gPropertyWrappers->append(new PropertyWrapper<unsigned short>(CSSPropertyWebkitColumnCount, &RenderStyle::columnCount, &RenderStyle::setColumnCount));
gPropertyWrappers->append(new PropertyWrapper<float>(CSSPropertyWebkitColumnWidth, &RenderStyle::columnWidth, &RenderStyle::setColumnWidth));
gPropertyWrappers->append(new PropertyWrapper<short>(CSSPropertyWebkitBorderHorizontalSpacing, &RenderStyle::horizontalBorderSpacing, &RenderStyle::setHorizontalBorderSpacing));
gPropertyWrappers->append(new PropertyWrapper<short>(CSSPropertyWebkitBorderVerticalSpacing, &RenderStyle::verticalBorderSpacing, &RenderStyle::setVerticalBorderSpacing));
gPropertyWrappers->append(new PropertyWrapper<int>(CSSPropertyZIndex, &RenderStyle::zIndex, &RenderStyle::setZIndex));
gPropertyWrappers->append(new PropertyWrapper<short>(CSSPropertyOrphans, &RenderStyle::orphans, &RenderStyle::setOrphans));
gPropertyWrappers->append(new PropertyWrapper<short>(CSSPropertyWidows, &RenderStyle::widows, &RenderStyle::setWidows));
gPropertyWrappers->append(new PropertyWrapper<Length>(CSSPropertyLineHeight, &RenderStyle::specifiedLineHeight, &RenderStyle::setLineHeight));
gPropertyWrappers->append(new PropertyWrapper<int>(CSSPropertyOutlineOffset, &RenderStyle::outlineOffset, &RenderStyle::setOutlineOffset));
gPropertyWrappers->append(new PropertyWrapper<unsigned short>(CSSPropertyOutlineWidth, &RenderStyle::outlineWidth, &RenderStyle::setOutlineWidth));
gPropertyWrappers->append(new PropertyWrapper<float>(CSSPropertyLetterSpacing, &RenderStyle::letterSpacing, &RenderStyle::setLetterSpacing));
gPropertyWrappers->append(new PropertyWrapper<float>(CSSPropertyWordSpacing, &RenderStyle::wordSpacing, &RenderStyle::setWordSpacing));
gPropertyWrappers->append(new PropertyWrapper<Length>(CSSPropertyTextIndent, &RenderStyle::textIndent, &RenderStyle::setTextIndent));
gPropertyWrappers->append(new PropertyWrapper<float>(CSSPropertyWebkitPerspective, &RenderStyle::perspective, &RenderStyle::setPerspective));
gPropertyWrappers->append(new PropertyWrapper<Length>(CSSPropertyWebkitPerspectiveOriginX, &RenderStyle::perspectiveOriginX, &RenderStyle::setPerspectiveOriginX));
gPropertyWrappers->append(new PropertyWrapper<Length>(CSSPropertyWebkitPerspectiveOriginY, &RenderStyle::perspectiveOriginY, &RenderStyle::setPerspectiveOriginY));
gPropertyWrappers->append(new PropertyWrapper<Length>(CSSPropertyWebkitTransformOriginX, &RenderStyle::transformOriginX, &RenderStyle::setTransformOriginX));
gPropertyWrappers->append(new PropertyWrapper<Length>(CSSPropertyWebkitTransformOriginY, &RenderStyle::transformOriginY, &RenderStyle::setTransformOriginY));
gPropertyWrappers->append(new PropertyWrapper<float>(CSSPropertyWebkitTransformOriginZ, &RenderStyle::transformOriginZ, &RenderStyle::setTransformOriginZ));
gPropertyWrappers->append(new PropertyWrapper<LengthSize>(CSSPropertyBorderTopLeftRadius, &RenderStyle::borderTopLeftRadius, &RenderStyle::setBorderTopLeftRadius));
gPropertyWrappers->append(new PropertyWrapper<LengthSize>(CSSPropertyBorderTopRightRadius, &RenderStyle::borderTopRightRadius, &RenderStyle::setBorderTopRightRadius));
gPropertyWrappers->append(new PropertyWrapper<LengthSize>(CSSPropertyBorderBottomLeftRadius, &RenderStyle::borderBottomLeftRadius, &RenderStyle::setBorderBottomLeftRadius));
gPropertyWrappers->append(new PropertyWrapper<LengthSize>(CSSPropertyBorderBottomRightRadius, &RenderStyle::borderBottomRightRadius, &RenderStyle::setBorderBottomRightRadius));
gPropertyWrappers->append(new PropertyWrapper<EVisibility>(CSSPropertyVisibility, &RenderStyle::visibility, &RenderStyle::setVisibility));
gPropertyWrappers->append(new PropertyWrapper<float>(CSSPropertyZoom, &RenderStyle::zoom, &RenderStyle::setZoomWithoutReturnValue));
gPropertyWrappers->append(new PropertyWrapper<LengthBox>(CSSPropertyClip, &RenderStyle::clip, &RenderStyle::setClip));
gPropertyWrappers->append(new PropertyWrapperAcceleratedOpacity());
gPropertyWrappers->append(new PropertyWrapperAcceleratedTransform());
gPropertyWrappers->append(new PropertyWrapperAcceleratedFilter());
gPropertyWrappers->append(new PropertyWrapperClipPath(CSSPropertyWebkitClipPath, &RenderStyle::clipPath, &RenderStyle::setClipPath));
gPropertyWrappers->append(new PropertyWrapperShape(CSSPropertyWebkitShapeInside, &RenderStyle::shapeInside, &RenderStyle::setShapeInside));
gPropertyWrappers->append(new PropertyWrapperVisitedAffectedColor(CSSPropertyWebkitColumnRuleColor, MaybeInvalidColor, &RenderStyle::columnRuleColor, &RenderStyle::setColumnRuleColor, &RenderStyle::visitedLinkColumnRuleColor, &RenderStyle::setVisitedLinkColumnRuleColor));
gPropertyWrappers->append(new PropertyWrapperVisitedAffectedColor(CSSPropertyWebkitTextStrokeColor, MaybeInvalidColor, &RenderStyle::textStrokeColor, &RenderStyle::setTextStrokeColor, &RenderStyle::visitedLinkTextStrokeColor, &RenderStyle::setVisitedLinkTextStrokeColor));
gPropertyWrappers->append(new PropertyWrapperVisitedAffectedColor(CSSPropertyWebkitTextFillColor, MaybeInvalidColor, &RenderStyle::textFillColor, &RenderStyle::setTextFillColor, &RenderStyle::visitedLinkTextFillColor, &RenderStyle::setVisitedLinkTextFillColor));
gPropertyWrappers->append(new PropertyWrapperVisitedAffectedColor(CSSPropertyBorderLeftColor, MaybeInvalidColor, &RenderStyle::borderLeftColor, &RenderStyle::setBorderLeftColor, &RenderStyle::visitedLinkBorderLeftColor, &RenderStyle::setVisitedLinkBorderLeftColor));
gPropertyWrappers->append(new PropertyWrapperVisitedAffectedColor(CSSPropertyBorderRightColor, MaybeInvalidColor, &RenderStyle::borderRightColor, &RenderStyle::setBorderRightColor, &RenderStyle::visitedLinkBorderRightColor, &RenderStyle::setVisitedLinkBorderRightColor));
gPropertyWrappers->append(new PropertyWrapperVisitedAffectedColor(CSSPropertyBorderTopColor, MaybeInvalidColor, &RenderStyle::borderTopColor, &RenderStyle::setBorderTopColor, &RenderStyle::visitedLinkBorderTopColor, &RenderStyle::setVisitedLinkBorderTopColor));
gPropertyWrappers->append(new PropertyWrapperVisitedAffectedColor(CSSPropertyBorderBottomColor, MaybeInvalidColor, &RenderStyle::borderBottomColor, &RenderStyle::setBorderBottomColor, &RenderStyle::visitedLinkBorderBottomColor, &RenderStyle::setVisitedLinkBorderBottomColor));
gPropertyWrappers->append(new PropertyWrapperVisitedAffectedColor(CSSPropertyOutlineColor, MaybeInvalidColor, &RenderStyle::outlineColor, &RenderStyle::setOutlineColor, &RenderStyle::visitedLinkOutlineColor, &RenderStyle::setVisitedLinkOutlineColor));
gPropertyWrappers->append(new PropertyWrapperShadow(CSSPropertyBoxShadow, &RenderStyle::boxShadow, &RenderStyle::setBoxShadow));
gPropertyWrappers->append(new PropertyWrapperShadow(CSSPropertyWebkitBoxShadow, &RenderStyle::boxShadow, &RenderStyle::setBoxShadow));
gPropertyWrappers->append(new PropertyWrapperShadow(CSSPropertyTextShadow, &RenderStyle::textShadow, &RenderStyle::setTextShadow));
gPropertyWrappers->append(new PropertyWrapperSVGPaint(CSSPropertyFill, &RenderStyle::fillPaintType, &RenderStyle::fillPaintColor, &RenderStyle::setFillPaintColor));
gPropertyWrappers->append(new PropertyWrapper<float>(CSSPropertyFillOpacity, &RenderStyle::fillOpacity, &RenderStyle::setFillOpacity));
gPropertyWrappers->append(new PropertyWrapperSVGPaint(CSSPropertyStroke, &RenderStyle::strokePaintType, &RenderStyle::strokePaintColor, &RenderStyle::setStrokePaintColor));
gPropertyWrappers->append(new PropertyWrapper<float>(CSSPropertyStrokeOpacity, &RenderStyle::strokeOpacity, &RenderStyle::setStrokeOpacity));
gPropertyWrappers->append(new PropertyWrapper<SVGLength>(CSSPropertyStrokeWidth, &RenderStyle::strokeWidth, &RenderStyle::setStrokeWidth));
gPropertyWrappers->append(new PropertyWrapper< Vector<SVGLength> >(CSSPropertyStrokeDasharray, &RenderStyle::strokeDashArray, &RenderStyle::setStrokeDashArray));
gPropertyWrappers->append(new PropertyWrapper<SVGLength>(CSSPropertyStrokeDashoffset, &RenderStyle::strokeDashOffset, &RenderStyle::setStrokeDashOffset));
gPropertyWrappers->append(new PropertyWrapper<float>(CSSPropertyStrokeMiterlimit, &RenderStyle::strokeMiterLimit, &RenderStyle::setStrokeMiterLimit));
gPropertyWrappers->append(new PropertyWrapper<float>(CSSPropertyFloodOpacity, &RenderStyle::floodOpacity, &RenderStyle::setFloodOpacity));
gPropertyWrappers->append(new PropertyWrapperMaybeInvalidColor(CSSPropertyFloodColor, &RenderStyle::floodColor, &RenderStyle::setFloodColor));
gPropertyWrappers->append(new PropertyWrapper<float>(CSSPropertyStopOpacity, &RenderStyle::stopOpacity, &RenderStyle::setStopOpacity));
gPropertyWrappers->append(new PropertyWrapperMaybeInvalidColor(CSSPropertyStopColor, &RenderStyle::stopColor, &RenderStyle::setStopColor));
gPropertyWrappers->append(new PropertyWrapperMaybeInvalidColor(CSSPropertyLightingColor, &RenderStyle::lightingColor, &RenderStyle::setLightingColor));
gPropertyWrappers->append(new PropertyWrapper<SVGLength>(CSSPropertyBaselineShift, &RenderStyle::baselineShiftValue, &RenderStyle::setBaselineShiftValue));
gPropertyWrappers->append(new PropertyWrapper<SVGLength>(CSSPropertyKerning, &RenderStyle::kerning, &RenderStyle::setKerning));
// TODO:
//
// CSSPropertyVerticalAlign
//
// Compound properties that have components that should be animatable:
//
// CSSPropertyWebkitColumns
// CSSPropertyWebkitBoxReflect
// Make sure unused slots have a value
for (unsigned int i = 0; i < static_cast<unsigned int>(numCSSProperties); ++i)
gPropertyWrapperMap[i] = cInvalidPropertyWrapperIndex;
// First we put the non-shorthand property wrappers into the map, so the shorthand-building
// code can find them.
size_t n = gPropertyWrappers->size();
for (unsigned int i = 0; i < n; ++i) {
CSSPropertyID property = (*gPropertyWrappers)[i]->property();
ASSERT_WITH_MESSAGE(CSSAnimations::isAnimatableProperty(property), "%s is not whitelisted for animation", getPropertyNameString(property).utf8().data());
ASSERT(property - firstCSSProperty < numCSSProperties);
gPropertyWrapperMap[property - firstCSSProperty] = i;
}
// Now add the shorthand wrappers.
addShorthandProperties();
}
// Returns true if we need to start animation timers
bool CSSPropertyAnimation::blendProperties(const AnimationBase* anim, CSSPropertyID prop, RenderStyle* dst, const RenderStyle* a, const RenderStyle* b, double progress)
{
ASSERT(prop != CSSPropertyInvalid);
ensurePropertyMap();
AnimationPropertyWrapperBase* wrapper = wrapperForProperty(prop);
if (wrapper) {
wrapper->blend(anim, dst, a, b, progress);
return !wrapper->animationIsAccelerated() || !anim->isAccelerated();
}
return false;
}
bool CSSPropertyAnimation::animationOfPropertyIsAccelerated(CSSPropertyID prop)
{
ensurePropertyMap();
AnimationPropertyWrapperBase* wrapper = wrapperForProperty(prop);
return wrapper ? wrapper->animationIsAccelerated() : false;
}
bool CSSPropertyAnimation::propertiesEqual(CSSPropertyID prop, const RenderStyle* a, const RenderStyle* b)
{
ensurePropertyMap();
AnimationPropertyWrapperBase* wrapper = wrapperForProperty(prop);
if (wrapper)
return wrapper->equals(a, b);
return true;
}
CSSPropertyID CSSPropertyAnimation::getPropertyAtIndex(int i, bool& isShorthand)
{
ensurePropertyMap();
if (i < 0 || i >= getNumProperties())
return CSSPropertyInvalid;
AnimationPropertyWrapperBase* wrapper = (*gPropertyWrappers)[i];
isShorthand = wrapper->isShorthandWrapper();
return wrapper->property();
}
int CSSPropertyAnimation::getNumProperties()
{
ensurePropertyMap();
return gPropertyWrappers->size();
}
}