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LibWeb: Schedule input event processing on HTML event loop

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Our existing coalescing mechanism for input events didn't prevent
multiple mousemove/mousewheel events from being processed between paint
cycles. Since handling these events can trigger style & layout updates
solely for hit-testing purposes, we might end up doing work that won't
be observable by a user and could be avoided by shceduling input events
processing to happen right before painting the next frame.
This commit is contained in:
Aliaksandr Kalenik 2025-02-14 23:25:12 +01:00 • committed by Andreas Kling
commit d3c481f71a
Notes: github-actions[bot] 2025-02-15 20:10:12 +00:00
10 changed files with 90 additions and 70 deletions
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10
Services/WebContent/PageClient.cpp
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@ -223,6 +223,16 @@ void PageClient::paint(Web::DevicePixelRect const& content_rect, Web::Painting::
page().top_level_traversable()->paint(content_rect, target, paint_options);
}
Queue<Web::QueuedInputEvent>& PageClient::input_event_queue()
{
return client().input_event_queue();
}
void PageClient::report_finished_handling_input_event(u64 page_id, Web::EventResult event_was_handled)
{
client().async_did_finish_handling_input_event(page_id, event_was_handled);
}
void PageClient::set_viewport_size(Web::DevicePixelSize const& size)
{
page().top_level_traversable()->set_viewport_size(page().device_to_css_size(size));