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LibWeb: Run pending play tasks when the timeline time changes

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Note that the timeline time changes every animation frame when the
Document sends out animation events
This commit is contained in:
Matthew Olsson 2024-02-02 15:01:30 -07:00 • committed by Andreas Kling
parent daaaaec2d0
commit 727a9a6472
6 changed files with 101 additions and 13 deletions
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8
Userland/Libraries/LibWeb/Animations/DocumentTimeline.cpp
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@ -41,21 +41,19 @@ Optional<double> DocumentTimeline::convert_a_timeline_time_to_an_origin_relative
}
// https://www.w3.org/TR/web-animations-1/#origin-time
WebIDL::ExceptionOr<void> DocumentTimeline::set_current_time(Optional<double> current_time)
void DocumentTimeline::set_current_time(Optional<double> current_time)
{
// A document timeline is a type of timeline that is associated with a document and whose current time is calculated
// as a fixed offset from the now timestamp provided each time the update animations and send events procedure is
// run. This fixed offset is referred to as the document timeline’s origin time.
if (!current_time.has_value())
TRY(Base::set_current_time({}));
Base::set_current_time({});
else
TRY(Base::set_current_time(current_time.value() - m_origin_time));
Base::set_current_time(current_time.value() - m_origin_time);
// After a document timeline becomes active, it is monotonically increasing.
if (!is_inactive())
VERIFY(is_monotonically_increasing());
return {};
}
// https://www.w3.org/TR/web-animations-1/#document-timelines