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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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6
Libraries/LibWeb/Page/InputEvent.h
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@ -85,6 +85,12 @@ struct DragEvent {
using InputEvent = Variant<KeyEvent, MouseEvent, DragEvent>;
struct QueuedInputEvent {
u64 page_id { 0 };
InputEvent event;
size_t coalesced_event_count { 0 };
};
}
namespace IPC {