PassRefPtr<AnimatableValue> AnimatableFilterOperations::interpolateTo(const AnimatableValue* value, double fraction) const
{
    if (usesDefaultInterpolationWith(value))
        return defaultInterpolateTo(this, value, fraction);

    const AnimatableFilterOperations* target = toAnimatableFilterOperations(value);
    FilterOperations result;
    size_t fromSize = operations().size();
    size_t toSize = target->operations().size();
    size_t size = std::max(fromSize, toSize);
    for (size_t i = 0; i < size; i++) {
#if ENABLE(OILPAN)
        FilterOperation* from = (i < fromSize) ? m_operationWrapper->operations().operations()[i].get() : 0;
        FilterOperation* to = (i < toSize) ? target->m_operationWrapper->operations().operations()[i].get() : 0;
#else
        FilterOperation* from = (i < fromSize) ? m_operations.operations()[i].get() : 0;
        FilterOperation* to = (i < toSize) ? target->m_operations.operations()[i].get() : 0;
#endif
        RefPtrWillBeRawPtr<FilterOperation> blendedOp = FilterOperation::blend(from, to, fraction);
        if (blendedOp)
            result.operations().append(blendedOp);
        else
            ASSERT_NOT_REACHED();
    }
    return AnimatableFilterOperations::create(result);
}
void CompositorAnimationsImpl::addKeyframesToCurve(blink::WebAnimationCurve& curve, const KeyframeVector& keyframes, const TimingFunction& timingFunction)
{
    for (size_t i = 0; i < keyframes.size(); i++) {
        const TimingFunction* keyframeTimingFunction = 0;
        if (i + 1 < keyframes.size()) { // Last keyframe has no timing function
            switch (timingFunction.type()) {
            case TimingFunction::LinearFunction:
            case TimingFunction::CubicBezierFunction:
                keyframeTimingFunction = &timingFunction;
                break;

            case TimingFunction::ChainedFunction: {
                const ChainedTimingFunction& chained = toChainedTimingFunction(timingFunction);
                // ChainedTimingFunction criteria was checked in isCandidate,
                // assert it is valid.
                ASSERT(keyframes.size() == chained.m_segments.size() + 1);

                keyframeTimingFunction = chained.m_segments[i].m_timingFunction.get();
                break;
            }
            case TimingFunction::StepsFunction:
            default:
                ASSERT_NOT_REACHED();
            }
        }

        ASSERT(!keyframes[i]->value()->dependsOnUnderlyingValue());
        RefPtr<AnimatableValue> value = keyframes[i]->value()->compositeOnto(0);

        switch (curve.type()) {
        case blink::WebAnimationCurve::AnimationCurveTypeFilter: {
            OwnPtr<blink::WebFilterOperations> ops = adoptPtr(blink::Platform::current()->compositorSupport()->createFilterOperations());
            bool converted = toWebFilterOperations(toAnimatableFilterOperations(value.get())->operations(), ops.get());
            ASSERT_UNUSED(converted, converted);

            blink::WebFilterKeyframe filterKeyframe(keyframes[i]->offset(), ops.release());
            blink::WebFilterAnimationCurve* filterCurve = static_cast<blink::WebFilterAnimationCurve*>(&curve);
            addKeyframeWithTimingFunction(*filterCurve, filterKeyframe, keyframeTimingFunction);
            break;
        }
        case blink::WebAnimationCurve::AnimationCurveTypeFloat: {
            blink::WebFloatKeyframe floatKeyframe(keyframes[i]->offset(), toAnimatableDouble(value.get())->toDouble());
            blink::WebFloatAnimationCurve* floatCurve = static_cast<blink::WebFloatAnimationCurve*>(&curve);
            addKeyframeWithTimingFunction(*floatCurve, floatKeyframe, keyframeTimingFunction);
            break;
        }
        case blink::WebAnimationCurve::AnimationCurveTypeTransform: {
            OwnPtr<blink::WebTransformOperations> ops = adoptPtr(blink::Platform::current()->compositorSupport()->createTransformOperations());
            toWebTransformOperations(toAnimatableTransform(value.get())->transformOperations(), FloatSize(), ops.get());

            blink::WebTransformKeyframe transformKeyframe(keyframes[i]->offset(), ops.release());
            blink::WebTransformAnimationCurve* transformCurve = static_cast<blink::WebTransformAnimationCurve*>(&curve);
            addKeyframeWithTimingFunction(*transformCurve, transformKeyframe, keyframeTimingFunction);
            break;
        }
        default:
            ASSERT_NOT_REACHED();
        }
    }
}
bool CompositorAnimations::isCandidateForAnimationOnCompositor(const Timing& timing, const Element& targetElement, const AnimationPlayer* playerToAdd, const AnimationEffect& effect, double playerPlaybackRate)
{
    const KeyframeEffectModelBase& keyframeEffect = toKeyframeEffectModelBase(effect);

    PropertySet properties = keyframeEffect.properties();
    if (properties.isEmpty())
        return false;

    for (const auto& property : properties) {
        const PropertySpecificKeyframeVector& keyframes = keyframeEffect.getPropertySpecificKeyframes(property);
        ASSERT(keyframes.size() >= 2);
        for (const auto& keyframe : keyframes) {
            // FIXME: Determine candidacy based on the CSSValue instead of a snapshot AnimatableValue.
            bool isNeutralKeyframe = keyframe->isStringPropertySpecificKeyframe() && !toStringPropertySpecificKeyframe(keyframe.get())->value() && keyframe->composite() == AnimationEffect::CompositeAdd;
            if ((keyframe->composite() != AnimationEffect::CompositeReplace && !isNeutralKeyframe) || !keyframe->getAnimatableValue())
                return false;

            switch (property) {
            case CSSPropertyOpacity:
                break;
            case CSSPropertyTransform:
                if (toAnimatableTransform(keyframe->getAnimatableValue().get())->transformOperations().dependsOnBoxSize())
                    return false;
                break;
            case CSSPropertyWebkitFilter: {
                const FilterOperations& operations = toAnimatableFilterOperations(keyframe->getAnimatableValue().get())->operations();
                if (operations.hasFilterThatMovesPixels())
                    return false;
                break;
            }
            default:
                // any other types are not allowed to run on compositor.
                return false;
            }
        }
    }

    if (playerToAdd && hasIncompatibleAnimations(targetElement, *playerToAdd, effect))
        return false;

    CompositorAnimationsImpl::CompositorTiming out;
    if (!CompositorAnimationsImpl::convertTimingForCompositor(timing, 0, out, playerPlaybackRate))
        return false;

    return true;
}
void CompositorAnimationsImpl::addKeyframesToCurve(WebCompositorAnimationCurve& curve, const PropertySpecificKeyframeVector& keyframes, const Timing& timing)
{
    auto* lastKeyframe = keyframes.last().get();
    for (const auto& keyframe : keyframes) {
        const TimingFunction* keyframeTimingFunction = 0;
        if (keyframe != lastKeyframe) { // Ignore timing function of last frame.
            keyframeTimingFunction = &keyframe->easing();
        }

        // FIXME: This relies on StringKeyframes being eagerly evaluated, which will
        // not happen eventually. Instead we should extract the CSSValue here
        // and convert using another set of toAnimatableXXXOperations functions.
        const AnimatableValue* value = keyframe->getAnimatableValue().get();

        switch (curve.type()) {
        case WebCompositorAnimationCurve::AnimationCurveTypeFilter: {
            OwnPtr<WebFilterOperations> ops = adoptPtr(Platform::current()->compositorSupport()->createFilterOperations());
            toWebFilterOperations(toAnimatableFilterOperations(value)->operations(), ops.get());

            WebFilterKeyframe filterKeyframe(keyframe->offset(), ops.release());
            WebFilterAnimationCurve* filterCurve = static_cast<WebFilterAnimationCurve*>(&curve);
            addKeyframeWithTimingFunction(*filterCurve, filterKeyframe, keyframeTimingFunction);
            break;
        }
        case WebCompositorAnimationCurve::AnimationCurveTypeFloat: {
            WebFloatKeyframe floatKeyframe(keyframe->offset(), toAnimatableDouble(value)->toDouble());
            WebFloatAnimationCurve* floatCurve = static_cast<WebFloatAnimationCurve*>(&curve);
            addKeyframeWithTimingFunction(*floatCurve, floatKeyframe, keyframeTimingFunction);
            break;
        }
        case WebCompositorAnimationCurve::AnimationCurveTypeTransform: {
            OwnPtr<WebTransformOperations> ops = adoptPtr(Platform::current()->compositorSupport()->createTransformOperations());
            toWebTransformOperations(toAnimatableTransform(value)->transformOperations(), ops.get());

            WebTransformKeyframe transformKeyframe(keyframe->offset(), ops.release());
            WebTransformAnimationCurve* transformCurve = static_cast<WebTransformAnimationCurve*>(&curve);
            addKeyframeWithTimingFunction(*transformCurve, transformKeyframe, keyframeTimingFunction);
            break;
        }
        default:
            ASSERT_NOT_REACHED();
        }
    }
}
bool AnimatableFilterOperations::equalTo(const AnimatableValue* value) const
{
    return operations() == toAnimatableFilterOperations(value)->operations();
}
bool AnimatableFilterOperations::usesDefaultInterpolationWith(const AnimatableValue* value) const
{
    const AnimatableFilterOperations* target = toAnimatableFilterOperations(value);
    return !operations().canInterpolateWith(target->operations());
}
// FIXME: Generate this function.
void AnimatedStyleBuilder::applyProperty(CSSPropertyID property, StyleResolverState& state, const AnimatableValue* value)
{
    ASSERT(CSSPropertyMetadata::isAnimatableProperty(property));
    if (value->isUnknown()) {
        StyleBuilder::applyProperty(property, state, toAnimatableUnknown(value)->toCSSValue().get());
        return;
    }
    RenderStyle* style = state.style();
    switch (property) {
    case CSSPropertyBackgroundColor:
        style->setBackgroundColor(toAnimatableColor(value)->color());
        return;
    case CSSPropertyBackgroundImage:
        setOnFillLayers<CSSPropertyBackgroundImage>(style->accessBackgroundLayers(), value, state);
        return;
    case CSSPropertyBackgroundPositionX:
        setOnFillLayers<CSSPropertyBackgroundPositionX>(style->accessBackgroundLayers(), value, state);
        return;
    case CSSPropertyBackgroundPositionY:
        setOnFillLayers<CSSPropertyBackgroundPositionY>(style->accessBackgroundLayers(), value, state);
        return;
    case CSSPropertyBackgroundSize:
        setOnFillLayers<CSSPropertyBackgroundSize>(style->accessBackgroundLayers(), value, state);
        return;
    case CSSPropertyBorderBottomColor:
        style->setBorderBottomColor(toAnimatableColor(value)->color());
        return;
    case CSSPropertyBorderBottomLeftRadius:
        style->setBorderBottomLeftRadius(animatableValueToLengthSize(value, state, ValueRangeNonNegative));
        return;
    case CSSPropertyBorderBottomRightRadius:
        style->setBorderBottomRightRadius(animatableValueToLengthSize(value, state, ValueRangeNonNegative));
        return;
    case CSSPropertyBorderBottomWidth:
        style->setBorderBottomWidth(animatableValueRoundClampTo<unsigned>(value));
        return;
    case CSSPropertyBorderImageOutset:
        style->setBorderImageOutset(animatableValueToBorderImageLengthBox(value, state));
        return;
    case CSSPropertyBorderImageSlice:
        style->setBorderImageSlices(animatableValueToLengthBox(value, state, ValueRangeNonNegative));
        return;
    case CSSPropertyBorderImageSource:
        style->setBorderImageSource(state.styleImage(property, toAnimatableImage(value)->toCSSValue()));
        return;
    case CSSPropertyBorderImageWidth:
        style->setBorderImageWidth(animatableValueToBorderImageLengthBox(value, state));
        return;
    case CSSPropertyBorderLeftColor:
        style->setBorderLeftColor(toAnimatableColor(value)->color());
        return;
    case CSSPropertyBorderLeftWidth:
        style->setBorderLeftWidth(animatableValueRoundClampTo<unsigned>(value));
        return;
    case CSSPropertyBorderRightColor:
        style->setBorderRightColor(toAnimatableColor(value)->color());
        return;
    case CSSPropertyBorderRightWidth:
        style->setBorderRightWidth(animatableValueRoundClampTo<unsigned>(value));
        return;
    case CSSPropertyBorderTopColor:
        style->setBorderTopColor(toAnimatableColor(value)->color());
        return;
    case CSSPropertyBorderTopLeftRadius:
        style->setBorderTopLeftRadius(animatableValueToLengthSize(value, state, ValueRangeNonNegative));
        return;
    case CSSPropertyBorderTopRightRadius:
        style->setBorderTopRightRadius(animatableValueToLengthSize(value, state, ValueRangeNonNegative));
        return;
    case CSSPropertyBorderTopWidth:
        style->setBorderTopWidth(animatableValueRoundClampTo<unsigned>(value));
        return;
    case CSSPropertyBottom:
        style->setBottom(animatableValueToLength(value, state));
        return;
    case CSSPropertyBoxShadow:
    case CSSPropertyWebkitBoxShadow:
        style->setBoxShadow(toAnimatableShadow(value)->shadowList());
        return;
    case CSSPropertyClip:
        style->setClip(animatableValueToLengthBox(value, state));
        return;
    case CSSPropertyColor:
        style->setColor(toAnimatableColor(value)->color());
        return;
    case CSSPropertyFlexGrow:
        style->setFlexGrow(clampTo<float>(toAnimatableDouble(value)->toDouble(), 0));
        return;
    case CSSPropertyFlexShrink:
        style->setFlexShrink(clampTo<float>(toAnimatableDouble(value)->toDouble(), 0));
        return;
    case CSSPropertyFlexBasis:
        style->setFlexBasis(animatableValueToLength(value, state, ValueRangeNonNegative));
        return;
    case CSSPropertyFontSize:
        style->setFontSize(clampTo<float>(toAnimatableDouble(value)->toDouble(), 0));
        return;
    case CSSPropertyFontStretch:
        style->setFontStretch(animatableValueToFontStretch(value));
        return;
    case CSSPropertyFontWeight:
        style->setFontWeight(animatableValueToFontWeight(value));
        return;
    case CSSPropertyHeight:
        style->setHeight(animatableValueToLength(value, state, ValueRangeNonNegative));
        return;
    case CSSPropertyLeft:
        style->setLeft(animatableValueToLength(value, state));
        return;
    case CSSPropertyLineHeight:
        if (value->isLength())
            style->setLineHeight(animatableValueToLength(value, state, ValueRangeNonNegative));
        else
            style->setLineHeight(Length(clampTo<float>(toAnimatableDouble(value)->toDouble(), 0), Percent));
        return;
    case CSSPropertyLetterSpacing:
        style->setLetterSpacing(clampTo<float>(toAnimatableDouble(value)->toDouble()));
        return;
    case CSSPropertyMarginBottom:
        style->setMarginBottom(animatableValueToLength(value, state));
        return;
    case CSSPropertyMarginLeft:
        style->setMarginLeft(animatableValueToLength(value, state));
        return;
    case CSSPropertyMarginRight:
        style->setMarginRight(animatableValueToLength(value, state));
        return;
    case CSSPropertyMarginTop:
        style->setMarginTop(animatableValueToLength(value, state));
        return;
    case CSSPropertyMaxHeight:
        style->setMaxHeight(animatableValueToLength(value, state, ValueRangeNonNegative));
        return;
    case CSSPropertyMaxWidth:
        style->setMaxWidth(animatableValueToLength(value, state, ValueRangeNonNegative));
        return;
    case CSSPropertyMinHeight:
        style->setMinHeight(animatableValueToLength(value, state, ValueRangeNonNegative));
        return;
    case CSSPropertyMinWidth:
        style->setMinWidth(animatableValueToLength(value, state, ValueRangeNonNegative));
        return;
    case CSSPropertyObjectPosition:
        style->setObjectPosition(animatableValueToLengthPoint(value, state));
        return;
    case CSSPropertyOpacity:
        // Avoiding a value of 1 forces a layer to be created.
        style->setOpacity(clampTo<float>(toAnimatableDouble(value)->toDouble(), 0, nextafterf(1, 0)));
        return;
    case CSSPropertyOutlineColor:
        style->setOutlineColor(toAnimatableColor(value)->color());
        return;
    case CSSPropertyOutlineOffset:
        style->setOutlineOffset(animatableValueRoundClampTo<int>(value));
        return;
    case CSSPropertyOutlineWidth:
        style->setOutlineWidth(animatableValueRoundClampTo<unsigned short>(value));
        return;
    case CSSPropertyPaddingBottom:
        style->setPaddingBottom(animatableValueToLength(value, state, ValueRangeNonNegative));
        return;
    case CSSPropertyPaddingLeft:
        style->setPaddingLeft(animatableValueToLength(value, state, ValueRangeNonNegative));
        return;
    case CSSPropertyPaddingRight:
        style->setPaddingRight(animatableValueToLength(value, state, ValueRangeNonNegative));
        return;
    case CSSPropertyPaddingTop:
        style->setPaddingTop(animatableValueToLength(value, state, ValueRangeNonNegative));
        return;
    case CSSPropertyRight:
        style->setRight(animatableValueToLength(value, state));
        return;
    case CSSPropertyTextDecorationColor:
        style->setTextDecorationColor(toAnimatableColor(value)->color());
        return;
    case CSSPropertyTextIndent:
        style->setTextIndent(animatableValueToLength(value, state));
        return;
    case CSSPropertyTextShadow:
        style->setTextShadow(toAnimatableShadow(value)->shadowList());
        return;
    case CSSPropertyTop:
        style->setTop(animatableValueToLength(value, state));
        return;
    case CSSPropertyWebkitBackgroundSize:
        setOnFillLayers<CSSPropertyWebkitBackgroundSize>(style->accessBackgroundLayers(), value, state);
        return;
    case CSSPropertyWebkitBorderHorizontalSpacing:
        style->setHorizontalBorderSpacing(animatableValueRoundClampTo<unsigned short>(value));
        return;
    case CSSPropertyWebkitBorderVerticalSpacing:
        style->setVerticalBorderSpacing(animatableValueRoundClampTo<unsigned short>(value));
        return;
    case CSSPropertyWebkitClipPath:
        style->setClipPath(toAnimatableClipPathOperation(value)->clipPathOperation());
        return;
    case CSSPropertyFilter:
        style->setFilter(toAnimatableFilterOperations(value)->operations());
        return;
    case CSSPropertyPerspective:
        style->setPerspective(clampTo<float>(toAnimatableDouble(value)->toDouble()));
        return;
    case CSSPropertyPerspectiveOrigin: {
        const AnimatableLengthPoint* animatableLengthPoint = toAnimatableLengthPoint(value);
        style->setPerspectiveOriginX(animatableValueToLength(animatableLengthPoint->x(), state));
        style->setPerspectiveOriginY(animatableValueToLength(animatableLengthPoint->y(), state));
        return;
    }
    case CSSPropertyWebkitTextStrokeColor:
        style->setTextStrokeColor(toAnimatableColor(value)->color());
        return;
    case CSSPropertyTransform: {
        const TransformOperations& operations = toAnimatableTransform(value)->transformOperations();
        // FIXME: This normalization (handling of 'none') should be performed at input in AnimatableValueFactory.
        style->setTransform(operations.size() ? operations : TransformOperations(true));
        return;
    }
    case CSSPropertyTransformOrigin: {
        const AnimatableLengthPoint3D* animatableLengthPoint3D = toAnimatableLengthPoint3D(value);
        style->setTransformOriginX(animatableValueToLength(animatableLengthPoint3D->x(), state));
        style->setTransformOriginY(animatableValueToLength(animatableLengthPoint3D->y(), state));
        style->setTransformOriginZ(clampTo<float>(toAnimatableDouble(animatableLengthPoint3D->z())->toDouble()));
        return;
    }
    case CSSPropertyWidth:
        style->setWidth(animatableValueToLength(value, state, ValueRangeNonNegative));
        return;
    case CSSPropertyWordSpacing:
        style->setWordSpacing(clampTo<float>(toAnimatableDouble(value)->toDouble()));
        return;
    case CSSPropertyVerticalAlign:
        style->setVerticalAlignLength(animatableValueToLength(value, state));
        return;
    case CSSPropertyZIndex:
        style->setZIndex(animatableValueRoundClampTo<unsigned>(value));
        return;
    default:
        ASSERT_NOT_REACHED();
    }
}
Example #8
0
// FIXME: Generate this function.
void AnimatedStyleBuilder::applyProperty(CSSPropertyID property, StyleResolverState& state, const AnimatableValue* value)
{
    ASSERT(CSSPropertyMetadata::isAnimatableProperty(property));
    if (value->isUnknown()) {
        StyleBuilder::applyProperty(property, state, toAnimatableUnknown(value)->toCSSValue().get());
        return;
    }
    RenderStyle* style = state.style();
    switch (property) {
    case CSSPropertyBackgroundColor:
        style->setBackgroundColor(toAnimatableColor(value)->color());
        style->setVisitedLinkBackgroundColor(toAnimatableColor(value)->visitedLinkColor());
        return;
    case CSSPropertyBackgroundImage:
        setOnFillLayers<CSSPropertyBackgroundImage>(style->accessBackgroundLayers(), value, state);
        return;
    case CSSPropertyBackgroundPositionX:
        setOnFillLayers<CSSPropertyBackgroundPositionX>(style->accessBackgroundLayers(), value, state);
        return;
    case CSSPropertyBackgroundPositionY:
        setOnFillLayers<CSSPropertyBackgroundPositionY>(style->accessBackgroundLayers(), value, state);
        return;
    case CSSPropertyBackgroundSize:
        setOnFillLayers<CSSPropertyBackgroundSize>(style->accessBackgroundLayers(), value, state);
        return;
    case CSSPropertyBaselineShift:
        style->setBaselineShiftValue(toAnimatableSVGLength(value)->toSVGLength());
        return;
    case CSSPropertyBorderBottomColor:
        style->setBorderBottomColor(toAnimatableColor(value)->color());
        style->setVisitedLinkBorderBottomColor(toAnimatableColor(value)->visitedLinkColor());
        return;
    case CSSPropertyBorderBottomLeftRadius:
        style->setBorderBottomLeftRadius(animatableValueToLengthSize(value, state, ValueRangeNonNegative));
        return;
    case CSSPropertyBorderBottomRightRadius:
        style->setBorderBottomRightRadius(animatableValueToLengthSize(value, state, ValueRangeNonNegative));
        return;
    case CSSPropertyBorderBottomWidth:
        style->setBorderBottomWidth(animatableValueRoundClampTo<unsigned>(value));
        return;
    case CSSPropertyBorderImageOutset:
        style->setBorderImageOutset(animatableValueToBorderImageLengthBox(value, state));
        return;
    case CSSPropertyBorderImageSlice:
        style->setBorderImageSlices(animatableValueToLengthBox(value, state, ValueRangeNonNegative));
        return;
    case CSSPropertyBorderImageSource:
        style->setBorderImageSource(state.styleImage(property, toAnimatableImage(value)->toCSSValue()));
        return;
    case CSSPropertyBorderImageWidth:
        style->setBorderImageWidth(animatableValueToBorderImageLengthBox(value, state));
        return;
    case CSSPropertyBorderLeftColor:
        style->setBorderLeftColor(toAnimatableColor(value)->color());
        style->setVisitedLinkBorderLeftColor(toAnimatableColor(value)->visitedLinkColor());
        return;
    case CSSPropertyBorderLeftWidth:
        style->setBorderLeftWidth(animatableValueRoundClampTo<unsigned>(value));
        return;
    case CSSPropertyBorderRightColor:
        style->setBorderRightColor(toAnimatableColor(value)->color());
        style->setVisitedLinkBorderRightColor(toAnimatableColor(value)->visitedLinkColor());
        return;
    case CSSPropertyBorderRightWidth:
        style->setBorderRightWidth(animatableValueRoundClampTo<unsigned>(value));
        return;
    case CSSPropertyBorderTopColor:
        style->setBorderTopColor(toAnimatableColor(value)->color());
        style->setVisitedLinkBorderTopColor(toAnimatableColor(value)->visitedLinkColor());
        return;
    case CSSPropertyBorderTopLeftRadius:
        style->setBorderTopLeftRadius(animatableValueToLengthSize(value, state, ValueRangeNonNegative));
        return;
    case CSSPropertyBorderTopRightRadius:
        style->setBorderTopRightRadius(animatableValueToLengthSize(value, state, ValueRangeNonNegative));
        return;
    case CSSPropertyBorderTopWidth:
        style->setBorderTopWidth(animatableValueRoundClampTo<unsigned>(value));
        return;
    case CSSPropertyBottom:
        style->setBottom(animatableValueToLength(value, state));
        return;
    case CSSPropertyBoxShadow:
    case CSSPropertyWebkitBoxShadow:
        style->setBoxShadow(toAnimatableShadow(value)->shadowList());
        return;
    case CSSPropertyClip:
        style->setClip(animatableValueToLengthBox(value, state));
        return;
    case CSSPropertyColor:
        style->setColor(toAnimatableColor(value)->color());
        style->setVisitedLinkColor(toAnimatableColor(value)->visitedLinkColor());
        return;
    case CSSPropertyFillOpacity:
        style->setFillOpacity(clampTo<float>(toAnimatableDouble(value)->toDouble(), 0, 1));
        return;
    case CSSPropertyFill:
        {
            const AnimatableSVGPaint* svgPaint = toAnimatableSVGPaint(value);
            style->accessSVGStyle().setFillPaint(svgPaint->paintType(), svgPaint->color(), svgPaint->uri(), true, false);
            style->accessSVGStyle().setFillPaint(svgPaint->visitedLinkPaintType(), svgPaint->visitedLinkColor(), svgPaint->visitedLinkURI(), false, true);
        }
        return;
    case CSSPropertyFlexGrow:
        style->setFlexGrow(clampTo<float>(toAnimatableDouble(value)->toDouble(), 0));
        return;
    case CSSPropertyFlexShrink:
        style->setFlexShrink(clampTo<float>(toAnimatableDouble(value)->toDouble(), 0));
        return;
    case CSSPropertyFlexBasis:
        style->setFlexBasis(animatableValueToLength(value, state, ValueRangeNonNegative));
        return;
    case CSSPropertyFloodColor:
        style->setFloodColor(toAnimatableColor(value)->color());
        return;
    case CSSPropertyFloodOpacity:
        style->setFloodOpacity(clampTo<float>(toAnimatableDouble(value)->toDouble(), 0, 1));
        return;
    case CSSPropertyFontSize:
        state.fontBuilder().setSize(animatableValueToFontSize(value));
        return;
    case CSSPropertyFontStretch:
        state.fontBuilder().setStretch(animatableValueToFontStretch(value));
        return;
    case CSSPropertyFontWeight:
        state.fontBuilder().setWeight(animatableValueToFontWeight(value));
        return;
    case CSSPropertyHeight:
        style->setHeight(animatableValueToLength(value, state, ValueRangeNonNegative));
        return;
    case CSSPropertyLeft:
        style->setLeft(animatableValueToLength(value, state));
        return;
    case CSSPropertyLightingColor:
        style->setLightingColor(toAnimatableColor(value)->color());
        return;
    case CSSPropertyLineHeight:
        if (value->isLength())
            style->setLineHeight(animatableValueToLength(value, state, ValueRangeNonNegative));
        else
            style->setLineHeight(Length(clampTo<float>(toAnimatableDouble(value)->toDouble(), 0), Percent));
        return;
    case CSSPropertyListStyleImage:
        style->setListStyleImage(state.styleImage(property, toAnimatableImage(value)->toCSSValue()));
        return;
    case CSSPropertyLetterSpacing:
        style->setLetterSpacing(clampTo<float>(toAnimatableDouble(value)->toDouble()));
        return;
    case CSSPropertyMarginBottom:
        style->setMarginBottom(animatableValueToLength(value, state));
        return;
    case CSSPropertyMarginLeft:
        style->setMarginLeft(animatableValueToLength(value, state));
        return;
    case CSSPropertyMarginRight:
        style->setMarginRight(animatableValueToLength(value, state));
        return;
    case CSSPropertyMarginTop:
        style->setMarginTop(animatableValueToLength(value, state));
        return;
    case CSSPropertyMaxHeight:
        style->setMaxHeight(animatableValueToLength(value, state, ValueRangeNonNegative));
        return;
    case CSSPropertyMaxWidth:
        style->setMaxWidth(animatableValueToLength(value, state, ValueRangeNonNegative));
        return;
    case CSSPropertyMinHeight:
        style->setMinHeight(animatableValueToLength(value, state, ValueRangeNonNegative));
        return;
    case CSSPropertyMinWidth:
        style->setMinWidth(animatableValueToLength(value, state, ValueRangeNonNegative));
        return;
    case CSSPropertyObjectPosition:
        style->setObjectPosition(animatableValueToLengthPoint(value, state));
        return;
    case CSSPropertyOpacity:
        // Avoiding a value of 1 forces a layer to be created.
        style->setOpacity(clampTo<float>(toAnimatableDouble(value)->toDouble(), 0, nextafterf(1, 0)));
        return;
    case CSSPropertyOrphans:
        style->setOrphans(animatableValueRoundClampTo<unsigned short>(value, 1));
        return;
    case CSSPropertyOutlineColor:
        style->setOutlineColor(toAnimatableColor(value)->color());
        style->setVisitedLinkOutlineColor(toAnimatableColor(value)->visitedLinkColor());
        return;
    case CSSPropertyOutlineOffset:
        style->setOutlineOffset(animatableValueRoundClampTo<int>(value));
        return;
    case CSSPropertyOutlineWidth:
        style->setOutlineWidth(animatableValueRoundClampTo<unsigned short>(value));
        return;
    case CSSPropertyPaddingBottom:
        style->setPaddingBottom(animatableValueToLength(value, state, ValueRangeNonNegative));
        return;
    case CSSPropertyPaddingLeft:
        style->setPaddingLeft(animatableValueToLength(value, state, ValueRangeNonNegative));
        return;
    case CSSPropertyPaddingRight:
        style->setPaddingRight(animatableValueToLength(value, state, ValueRangeNonNegative));
        return;
    case CSSPropertyPaddingTop:
        style->setPaddingTop(animatableValueToLength(value, state, ValueRangeNonNegative));
        return;
    case CSSPropertyRight:
        style->setRight(animatableValueToLength(value, state));
        return;
    case CSSPropertyStrokeWidth:
        style->setStrokeWidth(animatableValueToNonNegativeSVGLength(value));
        return;
    case CSSPropertyStopColor:
        style->setStopColor(toAnimatableColor(value)->color());
        return;
    case CSSPropertyStopOpacity:
        style->setStopOpacity(clampTo<float>(toAnimatableDouble(value)->toDouble(), 0, 1));
        return;
    case CSSPropertyStrokeDasharray:
        style->setStrokeDashArray(toAnimatableStrokeDasharrayList(value)->toSVGLengthList());
        return;
    case CSSPropertyStrokeDashoffset:
        style->setStrokeDashOffset(toAnimatableSVGLength(value)->toSVGLength());
        return;
    case CSSPropertyStrokeMiterlimit:
        style->setStrokeMiterLimit(clampTo<float>(toAnimatableDouble(value)->toDouble(), 1));
        return;
    case CSSPropertyStrokeOpacity:
        style->setStrokeOpacity(clampTo<float>(toAnimatableDouble(value)->toDouble(), 0, 1));
        return;
    case CSSPropertyStroke:
        {
            const AnimatableSVGPaint* svgPaint = toAnimatableSVGPaint(value);
            style->accessSVGStyle().setStrokePaint(svgPaint->paintType(), svgPaint->color(), svgPaint->uri(), true, false);
            style->accessSVGStyle().setStrokePaint(svgPaint->visitedLinkPaintType(), svgPaint->visitedLinkColor(), svgPaint->visitedLinkURI(), false, true);
        }
        return;
    case CSSPropertyTextDecorationColor:
        style->setTextDecorationColor(toAnimatableColor(value)->color());
        style->setVisitedLinkTextDecorationColor(toAnimatableColor(value)->visitedLinkColor());
        return;
    case CSSPropertyTextIndent:
        style->setTextIndent(animatableValueToLength(value, state));
        return;
    case CSSPropertyTextShadow:
        style->setTextShadow(toAnimatableShadow(value)->shadowList());
        return;
    case CSSPropertyTop:
        style->setTop(animatableValueToLength(value, state));
        return;
    case CSSPropertyWebkitBackgroundSize:
        setOnFillLayers<CSSPropertyWebkitBackgroundSize>(style->accessBackgroundLayers(), value, state);
        return;
    case CSSPropertyWebkitBorderHorizontalSpacing:
        style->setHorizontalBorderSpacing(animatableValueRoundClampTo<unsigned short>(value));
        return;
    case CSSPropertyWebkitBorderVerticalSpacing:
        style->setVerticalBorderSpacing(animatableValueRoundClampTo<unsigned short>(value));
        return;
    case CSSPropertyWebkitClipPath:
        style->setClipPath(toAnimatableClipPathOperation(value)->clipPathOperation());
        return;
    case CSSPropertyWebkitColumnCount:
        style->setColumnCount(animatableValueRoundClampTo<unsigned short>(value, 1));
        return;
    case CSSPropertyWebkitColumnGap:
        style->setColumnGap(clampTo(toAnimatableDouble(value)->toDouble(), 0));
        return;
    case CSSPropertyWebkitColumnRuleColor:
        style->setColumnRuleColor(toAnimatableColor(value)->color());
        style->setVisitedLinkColumnRuleColor(toAnimatableColor(value)->visitedLinkColor());
        return;
    case CSSPropertyWebkitColumnWidth:
        style->setColumnWidth(clampTo(toAnimatableDouble(value)->toDouble(), std::numeric_limits<float>::epsilon()));
        return;
    case CSSPropertyWebkitColumnRuleWidth:
        style->setColumnRuleWidth(animatableValueRoundClampTo<unsigned short>(value));
        return;
    case CSSPropertyWebkitFilter:
        style->setFilter(toAnimatableFilterOperations(value)->operations());
        return;
    case CSSPropertyWebkitMaskBoxImageOutset:
        style->setMaskBoxImageOutset(animatableValueToBorderImageLengthBox(value, state));
        return;
    case CSSPropertyWebkitMaskBoxImageSlice:
        style->setMaskBoxImageSlices(animatableValueToLengthBox(toAnimatableLengthBoxAndBool(value)->box(), state, ValueRangeNonNegative));
        style->setMaskBoxImageSlicesFill(toAnimatableLengthBoxAndBool(value)->flag());
        return;
    case CSSPropertyWebkitMaskBoxImageSource:
        style->setMaskBoxImageSource(state.styleImage(property, toAnimatableImage(value)->toCSSValue()));
        return;
    case CSSPropertyWebkitMaskBoxImageWidth:
        style->setMaskBoxImageWidth(animatableValueToBorderImageLengthBox(value, state));
        return;
    case CSSPropertyWebkitMaskImage:
        setOnFillLayers<CSSPropertyWebkitMaskImage>(style->accessMaskLayers(), value, state);
        return;
    case CSSPropertyWebkitMaskPositionX:
        setOnFillLayers<CSSPropertyWebkitMaskPositionX>(style->accessMaskLayers(), value, state);
        return;
    case CSSPropertyWebkitMaskPositionY:
        setOnFillLayers<CSSPropertyWebkitMaskPositionY>(style->accessMaskLayers(), value, state);
        return;
    case CSSPropertyWebkitMaskSize:
        setOnFillLayers<CSSPropertyWebkitMaskSize>(style->accessMaskLayers(), value, state);
        return;
    case CSSPropertyPerspective:
        style->setPerspective(clampTo<float>(toAnimatableDouble(value)->toDouble()));
        return;
    case CSSPropertyPerspectiveOrigin:
        style->setPerspectiveOrigin(animatableValueToLengthPoint(value, state));
        return;
    case CSSPropertyShapeOutside:
        style->setShapeOutside(toAnimatableShapeValue(value)->shapeValue());
        return;
    case CSSPropertyShapeMargin:
        style->setShapeMargin(animatableValueToLength(value, state, ValueRangeNonNegative));
        return;
    case CSSPropertyShapeImageThreshold:
        style->setShapeImageThreshold(clampTo<float>(toAnimatableDouble(value)->toDouble(), 0, 1));
        return;
    case CSSPropertyWebkitTextStrokeColor:
        style->setTextStrokeColor(toAnimatableColor(value)->color());
        style->setVisitedLinkTextStrokeColor(toAnimatableColor(value)->visitedLinkColor());
        return;
    case CSSPropertyTransform: {
        const TransformOperations& operations = toAnimatableTransform(value)->transformOperations();
        // FIXME: This normalization (handling of 'none') should be performed at input in AnimatableValueFactory.
        style->setTransform(operations.size() ? operations : TransformOperations(true));
        return;
    }
    case CSSPropertyTransformOrigin:
        style->setTransformOrigin(animatableValueToTransformOrigin(value, state));
        return;
    case CSSPropertyMotionPosition:
        style->setMotionPosition(animatableValueToLength(value, state, ValueRangeNonNegative));
        return;
    case CSSPropertyMotionRotation:
        style->setMotionRotation(toAnimatableDoubleAndBool(value)->toDouble());
        style->setMotionRotationType(toAnimatableDoubleAndBool(value)->flag() ? MotionRotationAuto : MotionRotationFixed);
        return;
    case CSSPropertyWidows:
        style->setWidows(animatableValueRoundClampTo<unsigned short>(value, 1));
        return;
    case CSSPropertyWidth:
        style->setWidth(animatableValueToLength(value, state, ValueRangeNonNegative));
        return;
    case CSSPropertyWordSpacing:
        style->setWordSpacing(clampTo<float>(toAnimatableDouble(value)->toDouble()));
        return;
    case CSSPropertyVerticalAlign:
        style->setVerticalAlignLength(animatableValueToLength(value, state));
        return;
    case CSSPropertyVisibility:
        style->setVisibility(toAnimatableVisibility(value)->visibility());
        return;
    case CSSPropertyZIndex:
        style->setZIndex(animatableValueRoundClampTo<int>(value));
        return;
    case CSSPropertyZoom:
        style->setZoom(clampTo<float>(toAnimatableDouble(value)->toDouble(), std::numeric_limits<float>::denorm_min()));
        return;
    default:
        ASSERT_NOT_REACHED();
    }
}
bool CompositorAnimations::isCandidateForAnimationOnCompositor(const Timing& timing, const AnimationEffect& effect)
{
    const KeyframeEffectModel& keyframeEffect = *toKeyframeEffectModel(&effect);

    // Are the keyframes convertible?
    const KeyframeEffectModel::KeyframeVector frames = keyframeEffect.getFrames();
    for (size_t i = 0; i < frames.size(); ++i) {
        // Only replace mode can be accelerated
        if (frames[i]->composite() != AnimationEffect::CompositeReplace)
            return false;

        // Check all the properties can be accelerated
        const PropertySet properties = frames[i]->properties(); // FIXME: properties creates a whole new PropertySet!

        if (properties.isEmpty())
            return false;

        for (PropertySet::const_iterator it = properties.begin(); it != properties.end(); ++it) {
            switch (*it) {
            case CSSPropertyOpacity:
                continue;
            case CSSPropertyWebkitTransform:
                if (toAnimatableTransform(frames[i]->propertyValue(CSSPropertyWebkitTransform))->transformOperations().dependsOnBoxSize())
                    return false;
                continue;
            case CSSPropertyWebkitFilter: {
                const FilterOperations& operations = toAnimatableFilterOperations(frames[i]->propertyValue(CSSPropertyWebkitFilter))->operations();
                if (operations.hasFilterThatMovesPixels())
                    return false;
                for (size_t i = 0; i < operations.size(); i++) {
                    const FilterOperation& op = *operations.at(i);
                    if (op.type() == FilterOperation::VALIDATED_CUSTOM || op.type() == FilterOperation::CUSTOM)
                        return false;
                }
                continue;
            }
            default:
                return false;
            }
        }
    }

    // Is the timing object convertible?
    CompositorAnimationsImpl::CompositorTiming out;
    if (!CompositorAnimationsImpl::convertTimingForCompositor(timing, out))
        return false;

    // Is the timing function convertible?
    switch (timing.timingFunction->type()) {
    case TimingFunction::LinearFunction:
        break;

    case TimingFunction::CubicBezierFunction:
        // Can have a cubic if we don't have to split it (IE only have two frames).
        if (frames.size() != 2)
            return false;

        ASSERT(frames[0]->offset() == 0.0 && frames[1]->offset() == 1.0);
        break;

    case TimingFunction::StepsFunction:
        return false;

    case TimingFunction::ChainedFunction: {
        // Currently we only support chained segments in the form the CSS code
        // generates. These chained segments are only one level deep and have
        // one timing function per frame.
        const ChainedTimingFunction* chained = static_cast<const ChainedTimingFunction*>(timing.timingFunction.get());
        if (!chained->m_segments.size())
            return false;

        if (frames.size() != chained->m_segments.size() + 1)
            return false;

        for (size_t timeIndex = 0; timeIndex < chained->m_segments.size(); timeIndex++) {
            const ChainedTimingFunction::Segment& segment = chained->m_segments[timeIndex];

            if (frames[timeIndex]->offset() != segment.m_min || frames[timeIndex + 1]->offset() != segment.m_max)
                return false;

            switch (segment.m_timingFunction->type()) {
            case TimingFunction::LinearFunction:
            case TimingFunction::CubicBezierFunction:
                continue;

            case TimingFunction::StepsFunction:
            case TimingFunction::ChainedFunction:
            default:
                return false;
            }
        }

        break;
    }
    default:
        ASSERT_NOT_REACHED();
        return false;
    }

    return true;
}
bool CompositorAnimations::isCandidateForAnimationOnCompositor(const Timing& timing, const Element& targetElement, const Animation* animationToAdd, const EffectModel& effect, double animationPlaybackRate)
{
    const KeyframeEffectModelBase& keyframeEffect = toKeyframeEffectModelBase(effect);

    PropertyHandleSet properties = keyframeEffect.properties();
    if (properties.isEmpty())
        return false;

    unsigned transformPropertyCount = 0;
    for (const auto& property : properties) {
        if (!property.isCSSProperty())
            return false;

        if (isTransformRelatedCSSProperty(property)) {
            if (targetElement.layoutObject() && targetElement.layoutObject()->isInline()) {
                return false;
            }
            transformPropertyCount++;
        }

        const PropertySpecificKeyframeVector& keyframes = keyframeEffect.getPropertySpecificKeyframes(property);
        ASSERT(keyframes.size() >= 2);
        for (const auto& keyframe : keyframes) {
            // FIXME: Determine candidacy based on the CSSValue instead of a snapshot AnimatableValue.
            bool isNeutralKeyframe = keyframe->isCSSPropertySpecificKeyframe() && !toCSSPropertySpecificKeyframe(keyframe.get())->value() && keyframe->composite() == EffectModel::CompositeAdd;
            if ((keyframe->composite() != EffectModel::CompositeReplace && !isNeutralKeyframe) || !keyframe->getAnimatableValue())
                return false;

            switch (property.cssProperty()) {
            case CSSPropertyOpacity:
                break;
            case CSSPropertyRotate:
            case CSSPropertyScale:
            case CSSPropertyTranslate:
            case CSSPropertyTransform:
                if (toAnimatableTransform(keyframe->getAnimatableValue().get())->transformOperations().dependsOnBoxSize())
                    return false;
                break;
            case CSSPropertyWebkitFilter:
            case CSSPropertyBackdropFilter: {
                const FilterOperations& operations = toAnimatableFilterOperations(keyframe->getAnimatableValue().get())->operations();
                if (operations.hasFilterThatMovesPixels())
                    return false;
                break;
            }
            default:
                // any other types are not allowed to run on compositor.
                return false;
            }
        }
    }

    // TODO: Support multiple transform property animations on the compositor
    if (transformPropertyCount > 1)
        return false;

    if (animationToAdd && hasIncompatibleAnimations(targetElement, *animationToAdd, effect))
        return false;

    CompositorAnimationsImpl::CompositorTiming out;
    if (!CompositorAnimationsImpl::convertTimingForCompositor(timing, 0, out, animationPlaybackRate))
        return false;

    return true;
}