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LibWeb: Consider cancelled (idle) transitions as "completed"

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Callum Law 2025-11-18 23:22:42 +13:00 • committed by Jelle Raaijmakers
parent b2b889e1da
commit 67a3d0f1aa
Notes: github-actions[bot] 2025-11-23 08:44:31 +00:00
2 changed files with 8 additions and 8 deletions
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6
Libraries/LibWeb/CSS/StyleComputer.cpp
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@ -1305,8 +1305,8 @@ void StyleComputer::start_needed_transitions(ComputedProperties const& previous_
auto const& after_change_value = new_style.property(property_id, ComputedProperties::WithAnimationsApplied::No);
auto existing_transition = element.property_transition(pseudo_element, property_id);
bool has_running_transition = existing_transition && !existing_transition->is_finished();
bool has_completed_transition = existing_transition && existing_transition->is_finished();
bool has_running_transition = existing_transition && !existing_transition->is_finished() && !existing_transition->is_idle();
bool has_completed_transition = existing_transition && (existing_transition->is_finished() || existing_transition->is_idle());
auto start_a_transition = [&](auto delay, auto start_time, auto end_time, auto const& start_value, auto const& end_value, auto const& reversing_adjusted_start_value, auto reversing_shortening_factor) {
dbgln_if(CSS_TRANSITIONS_DEBUG, "Starting a transition of {} from {} to {}", string_from_property_id(property_id), start_value.to_string(SerializationMode::Normal), end_value.to_string(SerializationMode::Normal));
@ -1483,7 +1483,7 @@ void StyleComputer::start_needed_transitions(ComputedProperties const& previous_
auto const& existing_transition = element.property_transition(pseudo_element, property_id);
dbgln_if(CSS_TRANSITIONS_DEBUG, "Transition step 3.");
if (!existing_transition->is_finished())
if (!existing_transition->is_finished() && !existing_transition->is_idle())
existing_transition->cancel();
else
element.remove_transition(pseudo_element, property_id);