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LibWeb: Resolve unresolved style values eagerly in KeyframeEffect

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This isn't required as the StyleComputer will do this when animating,
but this allows the properties to be resolved once instead of on
every animation frame.

Note that we still pass AllowUnresolved::Yes because the properties will
not be resolved if there is no target.
This commit is contained in:
Matthew Olsson 2024-03-17 17:32:09 -07:00 committed by Andreas Kling
parent 3dd9f2715f
commit 0d70311c90
Notes: sideshowbarker 2024-07-17 09:49:33 +09:00 
Author: https://github.com/mattco98
Commit: https://github.com/SerenityOS/serenity/commit/0d70311c90
Pull-request: https://github.com/SerenityOS/serenity/pull/23622
Issue: https://github.com/SerenityOS/serenity/issues/23609
1 changed files with 4 additions and 1 deletions
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5
Userland/Libraries/LibWeb/Animations/KeyframeEffect.cpp
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@ -830,13 +830,16 @@ WebIDL::ExceptionOr<void> KeyframeEffect::set_keyframes(Optional<JS::Handle<JS::
auto keyframe_set = adopt_ref(*new KeyFrameSet);
m_target_properties.clear();
auto target = this->target();
for (auto& keyframe : m_keyframes) {
Animations::KeyframeEffect::KeyFrameSet::ResolvedKeyFrame resolved_keyframe;
auto key = static_cast<u64>(keyframe.computed_offset.value() * 100 * AnimationKeyFrameKeyScaleFactor);
for (auto const& [property_id, property_value] : keyframe.parsed_properties()) {
for (auto [property_id, property_value] : keyframe.parsed_properties()) {
if (property_value->is_unresolved() && target)
property_value = CSS::Parser::Parser::resolve_unresolved_style_value(CSS::Parser::ParsingContext { target->document() }, *target, pseudo_element_type(), property_id, property_value->as_unresolved());
CSS::StyleComputer::for_each_property_expanding_shorthands(property_id, property_value, CSS::StyleComputer::AllowUnresolved::Yes, [&](CSS::PropertyID shorthand_id, CSS::StyleValue const& shorthand_value) {
m_target_properties.set(shorthand_id);
resolved_keyframe.properties.set(shorthand_id, NonnullRefPtr<CSS::StyleValue const> { shorthand_value });