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LibWeb: Remove old animation-direction handling from StyleComputer

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This is now handled by Web Animations, so if the animation was ever
running backwards, this logic would re-reverse it so that it played
forwards again.
This commit is contained in:
Matthew Olsson 2024-02-23 14:16:46 -07:00 • committed by Andreas Kling
parent 70ded2ef42
commit af1f0c673e
1 changed files with 4 additions and 8 deletions
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12
Userland/Libraries/LibWeb/CSS/StyleComputer.cpp
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@ -862,10 +862,9 @@ ErrorOr<void> StyleComputer::collect_animation_into(JS::NonnullGCPtr<Animations:
return {};
auto& keyframes = effect->key_frame_set()->keyframes_by_key;
auto is_backwards = effect->current_direction() == Animations::AnimationDirection::Backwards;
auto key = static_cast<u64>(output_progress.value() * 100.0 * Animations::KeyframeEffect::AnimationKeyFrameKeyScaleFactor);
auto matching_keyframe_it = is_backwards ? keyframes.find_smallest_not_below_iterator(key) : keyframes.find_largest_not_above_iterator(key);
auto matching_keyframe_it = keyframes.find_largest_not_above_iterator(key);
if (matching_keyframe_it.is_end()) {
if constexpr (LIBWEB_CSS_ANIMATION_DEBUG) {
dbgln(" Did not find any start keyframe for the current state ({}) :(", key);
@ -880,7 +879,7 @@ ErrorOr<void> StyleComputer::collect_animation_into(JS::NonnullGCPtr<Animations:
auto keyframe_values = *matching_keyframe_it;
auto initial_keyframe_it = matching_keyframe_it;
auto keyframe_end_it = is_backwards ? --matching_keyframe_it : ++matching_keyframe_it;
auto keyframe_end_it = ++matching_keyframe_it;
if (keyframe_end_it.is_end())
keyframe_end_it = initial_keyframe_it;
@ -889,11 +888,8 @@ ErrorOr<void> StyleComputer::collect_animation_into(JS::NonnullGCPtr<Animations:
auto progress_in_keyframe = [&] {
if (keyframe_start == keyframe_end)
return is_backwards ? 1.f : 0.f;
return is_backwards
? static_cast<float>(keyframe_start - key) / static_cast<float>(keyframe_start - keyframe_end)
: static_cast<float>(key - keyframe_start) / static_cast<float>(keyframe_end - keyframe_start);
return 0.f;
return static_cast<float>(key - keyframe_start) / static_cast<float>(keyframe_end - keyframe_start);
}();
if constexpr (LIBWEB_CSS_ANIMATION_DEBUG) {