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();
}
}
}
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();
}
}
}
