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LibWeb: Add a test to ensure "resize" event on VV is fired on pinch-zoom

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This commit is contained in:
Aliaksandr Kalenik 2025-10-09 20:51:27 +02:00 committed by Alexander Kalenik
parent 835081d66e
commit 0fbadba2e1
5 changed files with 29 additions and 0 deletions
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7
Libraries/LibWeb/Internals/Internals.cpp
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@ -224,6 +224,13 @@ void Internals::wheel(double x, double y, double delta_x, double delta_y)
page.handle_mousewheel(position, position, 0, 0, 0, delta_x, delta_y);
}
void Internals::pinch(double x, double y, double scale_delta)
{
auto& page = this->page();
auto position = page.css_to_device_point({ x, y });
page.handle_pinch_event(position, scale_delta);
}
WebIDL::ExceptionOr<bool> Internals::dispatch_user_activated_event(DOM::EventTarget& target, DOM::Event& event)
{
event.set_is_trusted(true);

1
Libraries/LibWeb/Internals/Internals.h
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@ -41,6 +41,7 @@ public:
void mouse_down(double x, double y);
void move_pointer_to(double x, double y);
void wheel(double x, double y, double delta_x, double delta_y);
void pinch(double x, double y, double scale_delta);
WebIDL::ExceptionOr<bool> dispatch_user_activated_event(DOM::EventTarget&, DOM::Event& event);

1
Libraries/LibWeb/Internals/Internals.idl
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@ -33,6 +33,7 @@ interface Internals {
undefined mouseDown(double x, double y);
undefined movePointerTo(double x, double y);
undefined wheel(double x, double y, double deltaX, double deltaY);
undefined pinch(double x, double y, double scaleDelta);
boolean dispatchUserActivatedEvent(EventTarget target, Event event);
undefined spoofCurrentURL(USVString url);

1
Tests/LibWeb/Text/expected/vv-resize-on-pinch-to-zoom.txt Normal file
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@ -0,0 +1 @@
vv resize: width=533.3333333333334, height=400, scale=1.5, offsetLeft=33.328125, offsetTop=33.328125

19
Tests/LibWeb/Text/input/vv-resize-on-pinch-to-zoom.html Normal file
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@ -0,0 +1,19 @@
<!DOCTYPE html>
<html lang="en">
<script src="include.js"></script>
<body></body>
<script>
asyncTest(done => {
const vv = window.visualViewport;
vv.addEventListener("resize", () => {
println(`vv resize: width=${vv.width}, height=${vv.height}, scale=${vv.scale}, offsetLeft=${vv.offsetLeft}, offsetTop=${vv.offsetTop}`);
done();
});
requestAnimationFrame(() => {
// pinch from rAF to ensure resize event won't be skipped as "initial"
internals.pinch(100, 100, 0.5);
});
});
</script>
</html>